打包0.8.0-fix.1

Fix：修复粘贴方式创建新节点时如果粘贴的内容带有<>等html标签符号时新创建的节点内容为空的问题
打包0.8.0
2026-02-17 22:08:25 +08:00 · 2023-10-18 14:34:35 +08:00 · 2023-10-18 14:30:00 +08:00 · 2023-10-18 14:02:16 +08:00 · 2023-10-18 13:45:42 +08:00 · 2023-10-18 11:21:43 +08:00
329 changed files with 13828 additions and 3054 deletions
--- a/README.md
+++ b/README.md
@@ -25,18 +25,21 @@ Github：[releases](https://github.com/wanglin2/mind-map/releases)。

 百度云盘：[地址](https://pan.baidu.com/s/1huasEbKsGNH2Af68dvWiOg?pwd=3bp3)。

+> 客户端版本会落后于在线版本，尝试最新功能请优先使用在线版。
+
 # 特性

 - [x] 插件化架构，除核心功能外，其他功能作为插件提供，按需使用，减小打包体积
 - [x] 支持逻辑结构图、思维导图、组织结构图、目录组织图、时间轴（横向、竖向）、鱼骨图等结构
 - [x] 内置多种主题，允许高度自定义样式，支持注册新主题
- [x] 节点内容支持文本（普通文本、富文本）、图片、图标、超链接、备注、标签、概要
+- [x] 节点内容支持文本（普通文本、富文本）、图片、图标、超链接、备注、标签、概要、数学公式
 - [x] 节点支持拖拽（拖拽移动、自由调整）、多种节点形状，支持使用 DDM 完全自定义节点内容
 - [x] 支持画布拖动、缩放
 - [x] 支持鼠标按键拖动选择和Ctrl+左键两种多选节点方式
 - [x] 支持导出为`json`、`png`、`svg`、`pdf`、`markdown`、`xmind`，支持从`json`、`xmind`、`markdown`导入
- [x] 支持快捷键、前进后退、关联线、搜索替换、小地图、水印
+- [x] 支持快捷键、前进后退、关联线、搜索替换、小地图、水印、滚动条
 - [x] 提供丰富的配置，满足各种场景各种使用习惯
+- [x] 支持协同编辑

 # 安装

@@ -87,17 +90,15 @@ const mindMap = new MindMap({

 # 微信交流群

-<img src="./qrcode.jpg" style="width: 300px" />
-
-如果已过期，可以微信添加`wanglinguanfang`拉你入群。
+群聊人数较多，无法通过二维码入群，可以微信添加`wanglinguanfang`拉你入群。

 # 请作者喝杯咖啡

-开源不易，如果本项目有帮助到你的话，可以考虑请作者喝杯咖啡哟~
+开源不易，如果本项目有帮助到你的话，可以考虑请作者喝杯咖啡~

 > 厚椰乳一盒 + 纯牛奶半盒 + 冰块 + 咖啡液 = 生椰拿铁 yyds

-> 转账请备注【思维导图】。你的头像和名字将会出现在下面和[文档页面](https://wanglin2.github.io/mind-map/#/doc/zh/introduction/%E8%AF%B7%E4%BD%9C%E8%80%85%E5%96%9D%E6%9D%AF%E5%92%96%E5%95%A1)
+> 推荐使用支付宝，微信获取不到头像。转账请备注【思维导图】。

 <p>
  <img src="./web/src/assets/img/alipay.jpg" style="width: 300px" />
@@ -153,4 +154,60 @@ const mindMap = new MindMap({
        <img src="./web/src/assets/avatar/才镇.jpg" style="width: 50px;height: 50px;" />
        <span>才镇</span>
    </span>
+    <span>
+        <img src="./web/src/assets/avatar/小米.jpg" style="width: 50px;height: 50px;" />
+        <span>小米bbᯤ²ᴳ</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/棐.jpg" style="width: 50px;height: 50px;" />
+        <span>*棐</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/default.png" style="width: 50px;height: 50px;" />
+        <span>Luke</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/布林.jpg" style="width: 50px;height: 50px;" />
+        <span>布林</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/南风.jpg" style="width: 50px;height: 50px;" />
+        <span>南风</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/蜉蝣撼大叔.jpg" style="width: 50px;height: 50px;" />
+        <span>蜉蝣撼大叔</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/乙.jpg" style="width: 50px;height: 50px;" />
+        <span>乙</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/敏.jpg" style="width: 50px;height: 50px;" />
+        <span>敏</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/沐风牧草.jpg" style="width: 50px;height: 50px;" />
+        <span>沐风牧草</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/有希.jpg" style="width: 50px;height: 50px;" />
+        <span>有希</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/樊笼.jpg" style="width: 50px;height: 50px;" />
+        <span>樊笼</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/达仁科技.jpg" style="width: 50px;height: 50px;" />
+        <span>达仁科技</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/小逗比.png" style="width: 50px;height: 50px;" />
+        <span>小逗比</span>
+    </span>
+    <span>
+        <img src="./web/src/assets/avatar/天清如愿.jpg" style="width: 50px;height: 50px;" />
+        <span>天清如愿</span>
+    </span>
 </p>
--- a/index.html
+++ b/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,user-scalable=no,initial-scale=1,maximum-scale=1,minimum-scale=1"><link rel="icon" href="dist/logo.ico"><title>思绪思维导图</title><script>// 自定义静态资源的路径
      window.externalPublicPath = './dist/'
      // 接管应用
-      window.takeOverApp = false</script><link href="dist/css/chunk-vendors.css?c6f9dda3bfa8385d51f4" rel="stylesheet"><link href="dist/css/app.css?c6f9dda3bfa8385d51f4" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script>const getDataFromBackend = () => {
+      window.takeOverApp = false</script><link href="dist/css/chunk-vendors.css?8082e15354ee539c1308" rel="stylesheet"><link href="dist/css/app.css?8082e15354ee539c1308" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script>const getDataFromBackend = () => {
        return new Promise((resolve, reject) => {
          setTimeout(() => {
            resolve({
@@ -66,4 +66,4 @@
        // 可以通过window.$bus.$on()来监听应用的一些事件
        // 实例化页面
        window.initApp()
-      }</script><script src="dist/js/chunk-vendors.js?c6f9dda3bfa8385d51f4"></script><script src="dist/js/app.js?c6f9dda3bfa8385d51f4"></script></body></html>
+      }</script><script src="dist/js/chunk-vendors.js?8082e15354ee539c1308"></script><script src="dist/js/app.js?8082e15354ee539c1308"></script></body></html>
--- a/qrcode.jpg
+++ b/qrcode.jpg
--- a/simple-mind-map/bin/wsServer.mjs
+++ b/simple-mind-map/bin/wsServer.mjs
@@ -0,0 +1,152 @@
+#!/usr/bin/env node
+
+import ws from 'ws'
+import http from 'http'
+import * as map from 'lib0/map'
+
+const wsReadyStateConnecting = 0
+const wsReadyStateOpen = 1
+const wsReadyStateClosing = 2 // eslint-disable-line
+const wsReadyStateClosed = 3 // eslint-disable-line
+
+const pingTimeout = 30000
+
+const port = process.env.PORT || 4444
+// @ts-ignore
+const wss = new ws.Server({ noServer: true })
+
+const server = http.createServer((request, response) => {
+  response.writeHead(200, { 'Content-Type': 'text/plain' })
+  response.end('okay')
+})
+
+/**
+ * Map froms topic-name to set of subscribed clients.
+ * @type {Map<string, Set<any>>}
+ */
+const topics = new Map()
+
+/**
+ * @param {any} conn
+ * @param {object} message
+ */
+const send = (conn, message) => {
+  if (
+    conn.readyState !== wsReadyStateConnecting &&
+    conn.readyState !== wsReadyStateOpen
+  ) {
+    conn.close()
+  }
+  try {
+    conn.send(JSON.stringify(message))
+  } catch (e) {
+    conn.close()
+  }
+}
+
+/**
+ * Setup a new client
+ * @param {any} conn
+ */
+const onconnection = conn => {
+  /**
+   * @type {Set<string>}
+   */
+  const subscribedTopics = new Set()
+  let closed = false
+  // Check if connection is still alive
+  let pongReceived = true
+  const pingInterval = setInterval(() => {
+    if (!pongReceived) {
+      conn.close()
+      clearInterval(pingInterval)
+    } else {
+      pongReceived = false
+      try {
+        conn.ping()
+      } catch (e) {
+        conn.close()
+      }
+    }
+  }, pingTimeout)
+  conn.on('pong', () => {
+    pongReceived = true
+  })
+  conn.on('close', () => {
+    subscribedTopics.forEach(topicName => {
+      const subs = topics.get(topicName) || new Set()
+      subs.delete(conn)
+      if (subs.size === 0) {
+        topics.delete(topicName)
+      }
+    })
+    subscribedTopics.clear()
+    closed = true
+  })
+  conn.on(
+    'message',
+    /** @param {object} message */ message => {
+      if (typeof message === 'string') {
+        message = JSON.parse(message)
+      }
+      if (message && message.type && !closed) {
+        switch (message.type) {
+          case 'subscribe':
+            /** @type {Array<string>} */ ;(message.topics || []).forEach(
+              topicName => {
+                if (typeof topicName === 'string') {
+                  // add conn to topic
+                  const topic = map.setIfUndefined(
+                    topics,
+                    topicName,
+                    () => new Set()
+                  )
+                  topic.add(conn)
+                  // add topic to conn
+                  subscribedTopics.add(topicName)
+                }
+              }
+            )
+            break
+          case 'unsubscribe':
+            /** @type {Array<string>} */ ;(message.topics || []).forEach(
+              topicName => {
+                const subs = topics.get(topicName)
+                if (subs) {
+                  subs.delete(conn)
+                }
+              }
+            )
+            break
+          case 'publish':
+            if (message.topic) {
+              const receivers = topics.get(message.topic)
+              if (receivers) {
+                message.clients = receivers.size
+                receivers.forEach(receiver => send(receiver, message))
+              }
+            }
+            break
+          case 'ping':
+            send(conn, { type: 'pong' })
+        }
+      }
+    }
+  )
+}
+wss.on('connection', onconnection)
+
+server.on('upgrade', (request, socket, head) => {
+  // You may check auth of request here..
+  /**
+   * @param {any} ws
+   */
+  const handleAuth = ws => {
+    wss.emit('connection', ws, request)
+  }
+  wss.handleUpgrade(request, socket, head, handleAuth)
+})
+
+server.listen(port)
+
+console.log('Signaling server running on localhost:', port)
--- a/simple-mind-map/full.js
+++ b/simple-mind-map/full.js
@@ -13,6 +13,8 @@ import NodeImgAdjust from './src/plugins/NodeImgAdjust.js'
 import TouchEvent from './src/plugins/TouchEvent.js'
 import Search from './src/plugins/Search.js'
 import Painter from './src/plugins/Painter.js'
+import Scrollbar from './src/plugins/Scrollbar.js'
+import Formula from './src/plugins/Formula.js'
 import xmind from './src/parse/xmind.js'
 import markdown from './src/parse/markdown.js'
 import icons from './src/svg/icons.js'
@@ -27,8 +29,7 @@ MindMap.constants = constants
 MindMap.themes = themes
 MindMap.defaultTheme = defaultTheme

-MindMap
-  .usePlugin(MiniMap)
+MindMap.usePlugin(MiniMap)
  .usePlugin(Watermark)
  .usePlugin(Drag)
  .usePlugin(KeyboardNavigation)
@@ -42,5 +43,7 @@ MindMap
  .usePlugin(NodeImgAdjust)
  .usePlugin(Search)
  .usePlugin(Painter)
+  .usePlugin(Scrollbar)
+  .usePlugin(Formula)

-export default MindMap
+export default MindMap
--- a/simple-mind-map/index.js
+++ b/simple-mind-map/index.js
@@ -11,10 +11,11 @@ import {
  layoutValueList,
  CONSTANTS,
  commonCaches,
-  ERROR_TYPES
+  ERROR_TYPES,
+  cssContent
 } from './src/constants/constant'
 import { SVG } from '@svgdotjs/svg.js'
-import { simpleDeepClone, getType } from './src/utils'
+import { simpleDeepClone, getType, getObjectChangedProps } from './src/utils'
 import defaultTheme, {
  checkIsNodeSizeIndependenceConfig
 } from './src/themes/default'
@@ -23,6 +24,10 @@ import { defaultOpt } from './src/constants/defaultOptions'
 //  思维导图
 class MindMap {
  //  构造函数
+  /**
+   *
+   * @param {defaultOpt} opt
+   */
  constructor(opt = {}) {
    // 合并选项
    this.opt = this.handleOpt(merge(defaultOpt, opt))
@@ -30,16 +35,16 @@ class MindMap {
    // 容器元素
    this.el = this.opt.el
    if (!this.el) throw new Error('缺少容器元素el')
-    this.elRect = this.el.getBoundingClientRect()

-    // 画布宽高
-    this.width = this.elRect.width
-    this.height = this.elRect.height
-    if (this.width <= 0 || this.height <= 0) throw new Error('容器元素el的宽高不能为0')
+    // 获取容器尺寸位置信息
+    this.getElRectInfo()
+
+    // 添加css
+    this.cssEl = null
+    this.addCss()

    // 画布
-    this.svg = SVG().addTo(this.el).size(this.width, this.height)
-    this.draw = this.svg.group()
+    this.initContainer()

    // 初始化主题
    this.initTheme()
@@ -69,8 +74,7 @@ class MindMap {

    // 视图操作类
    this.view = new View({
-      mindMap: this,
-      draw: this.draw
+      mindMap: this
    })

    // 批量执行类
@@ -82,7 +86,7 @@ class MindMap {
    })

    // 初始渲染
-    this.render()
+    this.render(this.opt.fit ? () => this.view.fit() : () => {})
    setTimeout(() => {
      this.command.addHistory()
    }, 0)
@@ -101,6 +105,59 @@ class MindMap {
    return opt
  }

+  // 创建容器元素
+  initContainer() {
+    const { associativeLineIsAlwaysAboveNode } = this.opt
+    // 节点关联线容器
+    const createAssociativeLineDraw = () => {
+      this.associativeLineDraw = this.draw.group()
+      this.associativeLineDraw.addClass('smm-associative-line-container')
+    }
+    // 画布
+    this.svg = SVG().addTo(this.el).size(this.width, this.height)
+    // 容器
+    this.draw = this.svg.group()
+    this.draw.addClass('smm-container')
+    // 节点连线容器
+    this.lineDraw = this.draw.group()
+    this.lineDraw.addClass('smm-line-container')
+    // 默认处于节点下方
+    if (!associativeLineIsAlwaysAboveNode) {
+      createAssociativeLineDraw()
+    }
+    // 节点容器
+    this.nodeDraw = this.draw.group()
+    this.nodeDraw.addClass('smm-node-container')
+    // 关联线始终处于节点上方
+    if (associativeLineIsAlwaysAboveNode) {
+      createAssociativeLineDraw()
+    }
+    // 其他内容的容器
+    this.otherDraw = this.draw.group()
+    this.otherDraw.addClass('smm-other-container')
+  }
+
+  // 清空各容器
+  clearDraw() {
+    this.lineDraw.clear()
+    this.associativeLineDraw.clear()
+    this.nodeDraw.clear()
+    this.otherDraw.clear()
+  }
+
+  // 添加必要的css样式到页面
+  addCss() {
+    this.cssEl = document.createElement('style')
+    this.cssEl.type = 'text/css'
+    this.cssEl.innerHTML = cssContent
+    document.head.appendChild(this.cssEl)
+  }
+
+  // 移除css
+  removeCss() {
+    document.head.removeChild(this.cssEl)
+  }
+
  //  渲染，部分渲染
  render(callback, source = '') {
    this.batchExecution.push('render', () => {
@@ -113,19 +170,27 @@ class MindMap {
  //  重新渲染
  reRender(callback, source = '') {
    this.batchExecution.push('render', () => {
-      this.draw.clear()
+      this.clearDraw()
      this.initTheme()
      this.renderer.reRender = true
      this.renderer.render(callback, source)
    })
  }

-  //  容器尺寸变化，调整尺寸
-  resize() {
+  // 获取或更新容器尺寸位置信息
+  getElRectInfo() {
    this.elRect = this.el.getBoundingClientRect()
    this.width = this.elRect.width
    this.height = this.elRect.height
+    if (this.width <= 0 || this.height <= 0)
+      throw new Error('容器元素el的宽高不能为0')
+  }
+
+  //  容器尺寸变化，调整尺寸
+  resize() {
+    this.getElRectInfo()
    this.svg.size(this.width, this.height)
+    this.emit('resize')
  }

  //  监听事件
@@ -169,10 +234,12 @@ class MindMap {
  }

  //  设置主题
-  setTheme(theme) {
-    this.renderer.clearAllActive()
+  setTheme(theme, notRender = false) {
+    this.execCommand('CLEAR_ACTIVE_NODE')
    this.opt.theme = theme
-    this.render(null, CONSTANTS.CHANGE_THEME)
+    if (!notRender) {
+      this.render(null, CONSTANTS.CHANGE_THEME)
+    }
    this.emit('view_theme_change', theme)
  }

@@ -182,11 +249,15 @@ class MindMap {
  }

  //  设置主题配置
-  setThemeConfig(config) {
+  setThemeConfig(config, notRender = false) {
+    // 计算改变了的配置
+    const changedConfig = getObjectChangedProps(this.themeConfig, config)
    this.opt.themeConfig = config
-    // 检查改变的是否是节点大小无关的主题属性
-    let res = checkIsNodeSizeIndependenceConfig(config)
-    this.render(null, res ? '' : CONSTANTS.CHANGE_THEME)
+    if (!notRender) {
+      // 检查改变的是否是节点大小无关的主题属性
+      let res = checkIsNodeSizeIndependenceConfig(changedConfig)
+      this.render(null, res ? '' : CONSTANTS.CHANGE_THEME)
+    }
  }

  //  获取自定义主题配置
@@ -215,7 +286,7 @@ class MindMap {
  }

  //  设置布局结构
-  setLayout(layout) {
+  setLayout(layout, notRender = false) {
    // 检查布局配置
    if (!layoutValueList.includes(layout)) {
      layout = CONSTANTS.LAYOUT.LOGICAL_STRUCTURE
@@ -223,7 +294,9 @@ class MindMap {
    this.opt.layout = layout
    this.view.reset()
    this.renderer.setLayout()
-    this.render(null, CONSTANTS.CHANGE_LAYOUT)
+    if (!notRender) {
+      this.render(null, CONSTANTS.CHANGE_LAYOUT)
+    }
  }

  //  执行命令
@@ -233,15 +306,13 @@ class MindMap {

  //  动态设置思维导图数据，纯节点数据
  setData(data) {
+    data = simpleDeepClone(data || {})
    this.execCommand('CLEAR_ACTIVE_NODE')
    this.command.clearHistory()
    this.command.addHistory()
-    if (this.richText) {
-      this.renderer.renderTree = this.richText.handleSetData(data)
-    } else {
-      this.renderer.renderTree = data
-    }
+    this.renderer.setData(data)
    this.reRender(() => {}, CONSTANTS.SET_DATA)
+    this.emit('set_data', data)
  }

  //  动态设置思维导图数据，包括节点数据、布局、主题、视图
@@ -291,7 +362,7 @@ class MindMap {
      let result = await this.doExport.export(...args)
      return result
    } catch (error) {
-      this.mindMap.opt.errorHandler(ERROR_TYPES.EXPORT_ERROR, error)
+      this.opt.errorHandler(ERROR_TYPES.EXPORT_ERROR, error)
    }
  }

@@ -311,20 +382,20 @@ class MindMap {
    this.opt.readonly = mode === CONSTANTS.MODE.READONLY
    if (this.opt.readonly) {
      // 取消当前激活的元素
-      this.renderer.clearAllActive()
+      this.execCommand('CLEAR_ACTIVE_NODE')
    }
    this.emit('mode_change', mode)
  }

  // 获取svg数据
-  getSvgData({ paddingX = 0, paddingY = 0 } = {}) {
+  getSvgData({ paddingX = 0, paddingY = 0, ignoreWatermark = false } = {}) {
    const svg = this.svg
    const draw = this.draw
    // 保存原始信息
    const origWidth = svg.width()
    const origHeight = svg.height()
    const origTransform = draw.transform()
-    const elRect = this.el.getBoundingClientRect()
+    const elRect = this.elRect
    // 去除放大缩小的变换效果
    draw.scale(1 / origTransform.scaleX, 1 / origTransform.scaleY)
    // 获取变换后的位置尺寸信息，其实是getBoundingClientRect方法的包装方法
@@ -341,6 +412,7 @@ class MindMap {
    let clone = svg.clone()
    // 如果实际图形宽高超出了屏幕宽高，且存在水印的话需要重新绘制水印，否则会出现超出部分没有水印的问题
    if (
+      !ignoreWatermark &&
      (rect.width > origWidth || rect.height > origHeight) &&
      this.watermark &&
      this.watermark.hasWatermark()
@@ -353,6 +425,16 @@ class MindMap {
      this.height = origHeight
      this.watermark.draw()
    }
+    // 添加必要的样式
+    clone.add(SVG(`<style>${cssContent}</style>`))
+    // 修正关联线箭头marker的id
+    const markerList = svg.find('marker')
+    if (markerList && markerList.length > 0) {
+      const id = markerList[0].attr('id')
+      clone.find('marker').forEach(item => {
+        item.attr('id', id)
+      })
+    }
    // 恢复原先的大小和变换信息
    svg.size(origWidth, origHeight)
    draw.transform(origTransform)
@@ -406,6 +488,9 @@ class MindMap {
  destroy() {
    // 移除插件
    ;[...MindMap.pluginList].forEach(plugin => {
+      if (this[plugin.instanceName].beforePluginDestroy) {
+        this[plugin.instanceName].beforePluginDestroy()
+      }
      this[plugin.instanceName] = null
    })
    // 解绑事件
@@ -414,13 +499,16 @@ class MindMap {
    this.svg.remove()
    // 去除给容器元素设置的背景样式
    Style.removeBackgroundStyle(this.el)
+    this.el.innerHTML = ''
    this.el = null
+    this.removeCss()
  }
 }

 // 插件列表
 MindMap.pluginList = []
 MindMap.usePlugin = (plugin, opt = {}) => {
+  if (MindMap.hasPlugin(plugin) !== -1) return MindMap
  plugin.pluginOpt = opt
  MindMap.pluginList.push(plugin)
  return MindMap
--- a/simple-mind-map/package-lock.json
+++ b/simple-mind-map/package-lock.json
--- a/simple-mind-map/package.json
+++ b/simple-mind-map/package.json
@@ -1,6 +1,6 @@
 {
  "name": "simple-mind-map",
-  "version": "0.6.15-fix.1",
+  "version": "0.8.0-fix.1",
  "description": "一个简单的web在线思维导图",
  "authors": [
    {
@@ -12,6 +12,8 @@
      "url": "http://lxqnsys.com/"
    }
  ],
+  "types": "./types/index.d.ts",
+  "typings": "./types/index.d.ts",
  "license": "MIT",
  "repository": {
    "type": "git",
@@ -19,21 +21,26 @@
  },
  "scripts": {
    "lint": "eslint src/",
-    "format": "prettier --write ."
+    "format": "prettier --write .",
+    "types": "npx -p typescript tsc index.js --declaration --allowJs --emitDeclarationOnly --outDir types --target es2017 --skipLibCheck",
+    "wsServe": "node ./bin/wsServer.mjs"
  },
  "module": "index.js",
-  "__main": "./dist/simpleMindMap.umd.min.js",
+  "main": "./dist/simpleMindMap.umd.min.js",
  "dependencies": {
    "@svgdotjs/svg.js": "^3.0.16",
    "deepmerge": "^1.5.2",
-    "dom-to-image-more": "^3.1.6",
    "eventemitter3": "^4.0.7",
    "jspdf": "^2.5.1",
    "jszip": "^3.10.1",
+    "katex": "^0.16.8",
    "mdast-util-from-markdown": "^1.3.0",
    "quill": "^1.3.6",
+    "tern": "^0.24.3",
    "uuid": "^9.0.0",
-    "xml-js": "^1.6.11"
+    "xml-js": "^1.6.11",
+    "y-webrtc": "^10.2.5",
+    "yjs": "^13.6.8"
  },
  "keywords": [
    "javascript",
--- a/simple-mind-map/scripts/walkJsFiles.js
+++ b/simple-mind-map/scripts/walkJsFiles.js
@@ -17,7 +17,7 @@ const transform = dir => {
 }

 const transformFile = file => {
-  console.log(file);
+  console.log(file)
  let content = fs.readFileSync(file, 'utf-8')
  countCodeLines(content)
  // transformComments(file, content)
@@ -25,7 +25,7 @@ const transformFile = file => {

 // 统计代码行数
 let totalLines = 0
-const countCodeLines = (content) => {
+const countCodeLines = content => {
  totalLines += content.split(/\n/).length
 }

@@ -43,4 +43,4 @@ const transformComments = (file, content) => {

 transform(entryPath)
 transformFile(path.join(__dirname, '../index.js'))
-console.log(totalLines);
+console.log(totalLines)
--- a/simple-mind-map/src/constants/constant.js
+++ b/simple-mind-map/src/constants/constant.js
@@ -1,27 +1,3 @@
-//  标签颜色列表
-export const tagColorList = [
-  {
-    color: 'rgb(77, 65, 0)',
-    background: 'rgb(255, 244, 179)'
-  },
-  {
-    color: 'rgb(0, 50, 77)',
-    background: 'rgb(179, 229, 255)'
-  },
-  {
-    color: 'rgb(77, 0, 73)',
-    background: 'rgb(255, 179, 251)'
-  },
-  {
-    color: 'rgb(57, 77, 0)',
-    background: 'rgb(236, 255, 179)'
-  },
-  {
-    color: 'rgb(0, 77, 47)',
-    background: 'rgb(179, 255, 226)'
-  }
-]
-
 //  主题列表
 export const themeList = [
  {
@@ -249,6 +225,10 @@ export const CONSTANTS = {
  PASTE_TYPE: {
    CLIP_BOARD: 'clipBoard',
    CANVAS: 'canvas'
+  },
+  SCROLL_BAR_DIR: {
+    VERTICAL: 'vertical',
+    HORIZONTAL: 'horizontal'
  }
 }

@@ -257,42 +237,42 @@ export const initRootNodePositionMap = {
  [CONSTANTS.INIT_ROOT_NODE_POSITION.TOP]: 0,
  [CONSTANTS.INIT_ROOT_NODE_POSITION.RIGHT]: 1,
  [CONSTANTS.INIT_ROOT_NODE_POSITION.BOTTOM]: 1,
-  [CONSTANTS.INIT_ROOT_NODE_POSITION.CENTER]: 0.5,
+  [CONSTANTS.INIT_ROOT_NODE_POSITION.CENTER]: 0.5
 }

 //  布局结构列表
 export const layoutList = [
  {
    name: '逻辑结构图',
-    value: CONSTANTS.LAYOUT.LOGICAL_STRUCTURE,
+    value: CONSTANTS.LAYOUT.LOGICAL_STRUCTURE
  },
  {
    name: '思维导图',
-    value: CONSTANTS.LAYOUT.MIND_MAP,
+    value: CONSTANTS.LAYOUT.MIND_MAP
  },
  {
    name: '组织结构图',
-    value: CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE,
+    value: CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE
  },
  {
    name: '目录组织图',
-    value: CONSTANTS.LAYOUT.CATALOG_ORGANIZATION,
+    value: CONSTANTS.LAYOUT.CATALOG_ORGANIZATION
  },
  {
    name: '时间轴',
-    value: CONSTANTS.LAYOUT.TIMELINE,
+    value: CONSTANTS.LAYOUT.TIMELINE
  },
  {
    name: '时间轴2',
-    value: CONSTANTS.LAYOUT.TIMELINE2,
+    value: CONSTANTS.LAYOUT.TIMELINE2
  },
  {
    name: '竖向时间轴',
-    value: CONSTANTS.LAYOUT.VERTICAL_TIMELINE,
+    value: CONSTANTS.LAYOUT.VERTICAL_TIMELINE
  },
  {
    name: '鱼骨图',
-    value: CONSTANTS.LAYOUT.FISHBONE,
+    value: CONSTANTS.LAYOUT.FISHBONE
  }
 ]
 export const layoutValueList = [
@@ -325,7 +305,9 @@ export const nodeDataNoStylePropList = [
  'uid',
  'activeStyle',
  'associativeLineTargets',
-  'associativeLineTargetControlOffsets'
+  'associativeLineTargetControlOffsets',
+  'associativeLinePoint',
+  'associativeLineText'
 ]

 // 数据缓存
@@ -342,4 +324,30 @@ export const ERROR_TYPES = {
  LOAD_CLIPBOARD_IMAGE_ERROR: 'load_clipboard_image_error',
  BEFORE_TEXT_EDIT_ERROR: 'before_text_edit_error',
  EXPORT_ERROR: 'export_error'
-}
+}
+
+// a4纸的宽高
+export const a4Size = {
+  width: 592.28,
+  height: 841.89
+}
+
+// css
+export const cssContent = `
+  /* 鼠标hover和激活时渲染的矩形 */
+  .smm-hover-node{
+    display: none;
+    opacity: 0.6;
+    stroke-width: 1;
+  }
+
+  .smm-node:not(.smm-node-dragging):hover .smm-hover-node{
+    display: block;
+  }
+
+  .smm-node.active .smm-hover-node{
+    display: block;
+    opacity: 1;
+    stroke-width: 2;
+  }
+`
--- a/simple-mind-map/src/constants/defaultOptions.js
+++ b/simple-mind-map/src/constants/defaultOptions.js
@@ -68,13 +68,21 @@ export const defaultOpt = {
  // 展开收起按钮的颜色
  expandBtnStyle: {
    color: '#808080',
-    fill: '#fff'
+    fill: '#fff',
+    fontSize: 13,
+    strokeColor: '#333333'
  },
  // 自定义展开收起按钮的图标
  expandBtnIcon: {
    open: '', // svg字符串
    close: ''
  },
+  // 处理收起节点数量
+  expandBtnNumHandler: num => {
+    return num
+  },
+  // 是否显示带数量的收起按钮
+  isShowExpandNum: true,
  // 是否只有当鼠标在画布内才响应快捷键事件
  enableShortcutOnlyWhenMouseInSvg: true,
  // 初始根节点的位置
@@ -155,5 +163,61 @@ export const defaultOpt = {
  // 错误处理函数
  errorHandler: (code, error) => {
    console.error(code, error)
-  }
+  },
+  // 设置导出图片和svg时，针对富文本节点内容，也就是嵌入到svg中的html节点的默认样式覆盖
+  // 如果不覆盖，会发生偏移问题
+  resetCss: `
+    * {
+      margin: 0;
+      padding: 0;
+      box-sizing: border-box;
+    }
+  `,
+  // 是否在鼠标双击时回到根节点，也就是让根节点居中显示
+  enableDblclickBackToRootNode: false,
+  // 导出图片时canvas的缩放倍数，该配置会和window.devicePixelRatio值取最大值
+  minExportImgCanvasScale: 2,
+  // 节点鼠标hover和激活时显示的矩形边框的颜色
+  hoverRectColor: 'rgb(94, 200, 248)',
+  // 节点鼠标hover和激活时显示的矩形边框距节点内容的距离
+  hoverRectPadding: 2,
+  // 双击节点进入节点文本编辑时是否默认选中文本，默认只在创建新节点时会选中
+  selectTextOnEnterEditText: false,
+  // 删除节点后激活相邻节点
+  deleteNodeActive: true,
+  // 拖拽节点时鼠标移动到画布边缘是否开启画布自动移动
+  autoMoveWhenMouseInEdgeOnDrag: true,
+  // 是否首次加载fit view
+  fit: false,
+  // 拖拽多个节点时随鼠标移动的示意矩形的样式配置
+  dragMultiNodeRectConfig: {
+    width: 40,
+    height: 20,
+    fill: '' // 填充颜色，如果不传默认使用连线的颜色
+  },
+  // 节点拖拽时新位置的示意矩形的填充颜色，如果不传默认使用连线的颜色
+  dragPlaceholderRectFill: '',
+  // 节点拖拽时的透明度配置
+  dragOpacityConfig: {
+    cloneNodeOpacity: 0.5, // 跟随鼠标移动的克隆节点或矩形的透明度
+    beingDragNodeOpacity: 0.3 // 被拖拽节点的透明度
+  },
+  // 自定义标签的颜色
+  // {pass: 'green, unpass: 'red'}
+  tagsColorMap: {},
+  // 节点协作样式配置
+  cooperateStyle: {
+    avatarSize: 22,// 头像大小
+    fontSize: 12,// 如果是文字头像，那么文字的大小
+  },
+  // 关联线是否始终显示在节点上层
+  // false：即创建关联线和激活关联线时处于最顶层，其他情况下处于节点下方
+  associativeLineIsAlwaysAboveNode: true,
+  // 插入概要的默认文本
+  defaultGeneralizationText: '概要',
+  // 粘贴文本的方式创建新节点时，控制是否按换行自动分割节点，即如果存在换行，那么会根据换行创建多个节点，否则只会创建一个节点
+  // 可以传递一个函数，返回promise，resolve代表根据换行分割，reject代表忽略换行
+  handleIsSplitByWrapOnPasteCreateNewNode: null,
+  // 多少时间内只允许添加一次历史记录，避免添加没有必要的中间状态，单位：ms
+  addHistoryTime: 100
 }
--- a/simple-mind-map/src/core/command/Command.js
+++ b/simple-mind-map/src/core/command/Command.js
@@ -1,4 +1,4 @@
-import { copyRenderTree, simpleDeepClone, nextTick } from '../../utils'
+import { copyRenderTree, simpleDeepClone, throttle } from '../../utils'

 //  命令类
 class Command {
@@ -11,7 +11,11 @@ class Command {
    this.activeHistoryIndex = 0
    // 注册快捷键
    this.registerShortcutKeys()
-    this.addHistory = nextTick(this.addHistory, this)
+    this.addHistory = throttle(
+      this.addHistory,
+      this.mindMap.opt.addHistoryTime,
+      this
+    )
  }

  //  清空历史数据
@@ -37,7 +41,11 @@ class Command {
      this.commands[name].forEach(fn => {
        fn(...args)
      })
-      if (['BACK', 'FORWARD', 'SET_NODE_ACTIVE', 'CLEAR_ACTIVE_NODE'].includes(name)) {
+      if (
+        ['BACK', 'FORWARD', 'SET_NODE_ACTIVE', 'CLEAR_ACTIVE_NODE'].includes(
+          name
+        )
+      ) {
        return
      }
      this.addHistory()
@@ -78,7 +86,11 @@ class Command {
    }
    let data = this.getCopyData()
    // 此次数据和上次一样则不重复添加
-    if (this.history.length > 0 && JSON.stringify(this.history[this.history.length - 1]) === JSON.stringify(data)) {
+    if (
+      this.history.length > 0 &&
+      JSON.stringify(this.history[this.history.length - 1]) ===
+        JSON.stringify(data)
+    ) {
      return
    }
    // 删除当前历史指针后面的数据
@@ -123,7 +135,11 @@ class Command {
    let len = this.history.length
    if (this.activeHistoryIndex + step <= len - 1) {
      this.activeHistoryIndex += step
-      this.mindMap.emit('back_forward', this.activeHistoryIndex, this.history.length)
+      this.mindMap.emit(
+        'back_forward',
+        this.activeHistoryIndex,
+        this.history.length
+      )
      let data = simpleDeepClone(this.history[this.activeHistoryIndex])
      this.mindMap.emit('data_change', data)
      return data
@@ -138,10 +154,10 @@ class Command {
  // 移除节点数据中的uid
  removeDataUid(data) {
    data = simpleDeepClone(data)
-    let walk = (root) => {
+    let walk = root => {
      delete root.data.uid
      if (root.children && root.children.length > 0) {
-        root.children.forEach((item) => {
+        root.children.forEach(item => {
          walk(item)
        })
      }
--- a/simple-mind-map/src/core/command/KeyCommand.js
+++ b/simple-mind-map/src/core/command/KeyCommand.js
@@ -46,13 +46,20 @@ export default class KeyCommand {
      if (this.mindMap.richText && this.mindMap.richText.showTextEdit) {
        return
      }
-      if (this.mindMap.renderer.textEdit.showTextEdit || (this.mindMap.associativeLine && this.mindMap.associativeLine.showTextEdit)) {
+      if (
+        this.mindMap.renderer.textEdit.showTextEdit ||
+        (this.mindMap.associativeLine &&
+          this.mindMap.associativeLine.showTextEdit)
+      ) {
        return
      }
      this.isInSvg = false
    })
    window.addEventListener('keydown', e => {
-      if (this.isPause || (this.mindMap.opt.enableShortcutOnlyWhenMouseInSvg && !this.isInSvg)) {
+      if (
+        this.isPause ||
+        (this.mindMap.opt.enableShortcutOnlyWhenMouseInSvg && !this.isInSvg)
+      ) {
        return
      }
      Object.keys(this.shortcutMap).forEach(key => {
--- a/simple-mind-map/src/core/event/Event.js
+++ b/simple-mind-map/src/core/event/Event.js
@@ -113,7 +113,7 @@ class Event extends EventEmitter {
      this.isMiddleMousedown ||
      (useLeftKeySelectionRightKeyDrag
        ? this.isRightMousedown
-        : this.isLeftMousedown) 		
+        : this.isLeftMousedown)
    ) {
      e.preventDefault()
      this.emit('drag', e, this)
--- a/simple-mind-map/src/core/render/Render.js
+++ b/simple-mind-map/src/core/render/Render.js
--- a/simple-mind-map/src/core/render/TextEdit.js
+++ b/simple-mind-map/src/core/render/TextEdit.js
@@ -1,4 +1,10 @@
-import { getStrWithBrFromHtml, checkNodeOuter } from '../../utils'
+import {
+  getStrWithBrFromHtml,
+  checkNodeOuter,
+  focusInput,
+  selectAllInput,
+  htmlEscape
+} from '../../utils'
 import { ERROR_TYPES } from '../../constants/constant'

 //  节点文字编辑类
@@ -63,7 +69,7 @@ export default class TextEdit {
        const node = activeNodeList[0]
        // 当正在输入中文或英文或数字时，如果没有按下组合键，那么自动进入文本编辑模式
        if (node && this.checkIsAutoEnterTextEditKey(e)) {
-          this.show(node)
+          this.show(node, e, false, true)
        }
      })
    }
@@ -93,7 +99,8 @@ export default class TextEdit {

  //  显示文本编辑框
  // isInserting：是否是刚创建的节点
-  async show(node, e, isInserting = false) {
+  // isFromKeyDown：是否是在按键事件进入的编辑
+  async show(node, e, isInserting = false, isFromKeyDown = false) {
    // 使用了自定义节点内容那么不响应编辑事件
    if (node.isUseCustomNodeContent()) {
      return
@@ -114,10 +121,10 @@ export default class TextEdit {
    this.mindMap.view.translateXY(offsetLeft, offsetTop)
    let rect = node._textData.node.node.getBoundingClientRect()
    if (this.mindMap.richText) {
-      this.mindMap.richText.showEditText(node, rect, isInserting)
+      this.mindMap.richText.showEditText(node, rect, isInserting, isFromKeyDown)
      return
    }
-    this.showEditTextBox(node, rect, isInserting)
+    this.showEditTextBox(node, rect, isInserting, isFromKeyDown)
  }

  // 处理画布缩放
@@ -135,8 +142,10 @@ export default class TextEdit {
  }

  //  显示文本编辑框
-  showEditTextBox(node, rect, isInserting) {
+  showEditTextBox(node, rect, isInserting, isFromKeyDown) {
    if (this.showTextEdit) return
+    const { nodeTextEditZIndex, textAutoWrapWidth, selectTextOnEnterEditText } =
+      this.mindMap.opt
    this.mindMap.emit('before_show_text_edit')
    this.registerTmpShortcut()
    if (!this.textEditNode) {
@@ -164,20 +173,21 @@ export default class TextEdit {
    let scale = this.mindMap.view.scale
    let lineHeight = node.style.merge('lineHeight')
    let fontSize = node.style.merge('fontSize')
-    let textLines = (this.cacheEditingText || node.nodeData.data.text).split(
-      /\n/gim
-    )
+    let textLines = (this.cacheEditingText || node.getData('text'))
+      .split(/\n/gim)
+      .map(item => {
+        return htmlEscape(item)
+      })
    let isMultiLine = node._textData.node.attr('data-ismultiLine') === 'true'
    node.style.domText(this.textEditNode, scale, isMultiLine)
-    this.textEditNode.style.zIndex = this.mindMap.opt.nodeTextEditZIndex
+    this.textEditNode.style.zIndex = nodeTextEditZIndex
    this.textEditNode.innerHTML = textLines.join('<br>')
    this.textEditNode.style.minWidth = rect.width + 10 + 'px'
    this.textEditNode.style.minHeight = rect.height + 6 + 'px'
    this.textEditNode.style.left = rect.left + 'px'
    this.textEditNode.style.top = rect.top + 'px'
    this.textEditNode.style.display = 'block'
-    this.textEditNode.style.maxWidth =
-      this.mindMap.opt.textAutoWrapWidth * scale + 'px'
+    this.textEditNode.style.maxWidth = textAutoWrapWidth * scale + 'px'
    if (isMultiLine && lineHeight !== 1) {
      this.textEditNode.style.transform = `translateY(${
        -((lineHeight * fontSize - fontSize) / 2) * scale
@@ -186,35 +196,16 @@ export default class TextEdit {
    this.showTextEdit = true
    // 选中文本
    // if (!this.cacheEditingText) {
-    //   this.selectNodeText()
+    //   selectAllInput(this.textEditNode)
    // }
-    if (isInserting) {
-      this.selectNodeText()
+    if (isInserting || (selectTextOnEnterEditText && !isFromKeyDown)) {
+      selectAllInput(this.textEditNode)
    } else {
-      this.focus()
+      focusInput(this.textEditNode)
    }
    this.cacheEditingText = ''
  }

-  // 聚焦
-  focus() {
-    let selection = window.getSelection()
-    let range = document.createRange()
-    range.selectNodeContents(this.textEditNode)
-    range.collapse()
-    selection.removeAllRanges()
-    selection.addRange(range)
-  }
-
-  //  选中文本
-  selectNodeText() {
-    let selection = window.getSelection()
-    let range = document.createRange()
-    range.selectNodeContents(this.textEditNode)
-    selection.removeAllRanges()
-    selection.addRange(range)
-  }
-
  // 获取当前正在编辑的内容
  getEditText() {
    return getStrWithBrFromHtml(this.textEditNode.innerHTML)
--- a/simple-mind-map/src/core/render/node/Node.js
+++ b/simple-mind-map/src/core/render/node/Node.js
@@ -1,11 +1,12 @@
 import Style from './Style'
 import Shape from './Shape'
-import { G, ForeignObject, SVG } from '@svgdotjs/svg.js'
+import { G, ForeignObject, SVG, Rect } from '@svgdotjs/svg.js'
 import nodeGeneralizationMethods from './nodeGeneralization'
 import nodeExpandBtnMethods from './nodeExpandBtn'
 import nodeCommandWrapsMethods from './nodeCommandWraps'
 import nodeCreateContentsMethods from './nodeCreateContents'
 import nodeExpandBtnPlaceholderRectMethods from './nodeExpandBtnPlaceholderRect'
+import nodeCooperateMethods from './nodeCooperate'
 import { CONSTANTS } from '../../../constants/constant'

 //  节点类
@@ -14,14 +15,16 @@ class Node {
  constructor(opt = {}) {
    // 节点数据
    this.nodeData = this.handleData(opt.data || {})
-    // id
+    // uid
    this.uid = opt.uid
    // 控制实例
    this.mindMap = opt.mindMap
    // 渲染实例
    this.renderer = opt.renderer
    // 渲染器
-    this.draw = opt.draw || null
+    this.draw = this.mindMap.draw
+    this.nodeDraw = this.mindMap.nodeDraw
+    this.lineDraw = this.mindMap.lineDraw
    // 样式实例
    this.style = new Style(this)
    // 形状实例
@@ -55,9 +58,12 @@ class Node {
    this.parent = opt.parent || null
    // 子节点
    this.children = opt.children || []
+    // 当前同时操作该节点的用户列表
+    this.userList = []
    // 节点内容的容器
    this.group = null
    this.shapeNode = null // 节点形状节点
+    this.hoverNode = null // 节点hover和激活的节点
    // 节点内容对象
    this._customNodeContent = null
    this._imgData = null
@@ -73,6 +79,7 @@ class Node {
    this._openExpandNode = null
    this._closeExpandNode = null
    this._fillExpandNode = null
+    this._userListGroup = null
    this._lines = []
    this._generalizationLine = null
    this._generalizationNode = null
@@ -120,6 +127,12 @@ class Node {
    Object.keys(nodeCreateContentsMethods).forEach(item => {
      this[item] = nodeCreateContentsMethods[item].bind(this)
    })
+    // 协同相关
+    if (this.mindMap.cooperate) {
+      Object.keys(nodeCooperateMethods).forEach(item => {
+        this[item] = nodeCooperateMethods[item].bind(this)
+      })
+    }
    // 初始化
    this.getSize()
  }
@@ -269,6 +282,7 @@ class Node {
  layout() {
    // 清除之前的内容
    this.group.clear()
+    const { hoverRectPadding } = this.mindMap.opt
    let { width, height, textContentItemMargin } = this
    let { paddingY } = this.getPaddingVale()
    const halfBorderWidth = this.getBorderWidth() / 2
@@ -277,21 +291,34 @@ class Node {
    this.shapeNode = this.shapeInstance.createShape()
    this.shapeNode.addClass('smm-node-shape')
    this.shapeNode.translate(halfBorderWidth, halfBorderWidth)
+    this.style.shape(this.shapeNode)
    this.group.add(this.shapeNode)
-    this.updateNodeShape()
    // 渲染一个隐藏的矩形区域，用来触发展开收起按钮的显示
    this.renderExpandBtnPlaceholderRect()
+    // 创建协同头像节点
+    if (this.createUserListNode) this.createUserListNode()
    // 概要节点添加一个带所属节点id的类名
    if (this.isGeneralization && this.generalizationBelongNode) {
      this.group.addClass('generalization_' + this.generalizationBelongNode.uid)
    }
+    // 激活hover和激活边框
+    const addHoverNode = () => {
+      this.hoverNode = new Rect()
+        .size(width + hoverRectPadding * 2, height + hoverRectPadding * 2)
+        .x(-hoverRectPadding)
+        .y(-hoverRectPadding)
+      this.hoverNode.addClass('smm-hover-node')
+      this.style.hoverNode(this.hoverNode, width, height)
+      this.group.add(this.hoverNode)
+    }
    // 如果存在自定义节点内容，那么使用自定义节点内容
    if (this.isUseCustomNodeContent()) {
      let foreignObject = new ForeignObject()
      foreignObject.width(width)
      foreignObject.height(height)
-      foreignObject.add(SVG(this._customNodeContent))
+      foreignObject.add(this._customNodeContent)
      this.group.add(foreignObject)
+      addHoverNode()
      return
    }
    // 图片节点
@@ -365,6 +392,7 @@ class Node {
          : 0)
    )
    this.group.add(textContentNested)
+    addHoverNode()
  }

  // 给节点绑定事件
@@ -380,31 +408,41 @@ class Node {
      this.active(e)
    })
    this.group.on('mousedown', e => {
-      if (this.isRoot && e.which === 3 && !this.mindMap.opt.readonly) {
-        e.stopPropagation()
-      }
-      if (!this.isRoot && e.which !== 2 && !this.mindMap.opt.readonly) {
-        e.stopPropagation()
+      const {
+        readonly,
+        enableCtrlKeyNodeSelection,
+        useLeftKeySelectionRightKeyDrag
+      } = this.mindMap.opt
+      // 只读模式不需要阻止冒泡
+      if (!readonly) {
+        if (this.isRoot) {
+          // 根节点，右键拖拽画布模式下不需要阻止冒泡
+          if (e.which === 3 && !useLeftKeySelectionRightKeyDrag) {
+            e.stopPropagation()
+          }
+        } else {
+          // 非根节点，且按下的是非鼠标中键，需要阻止事件冒泡
+          if (e.which !== 2) {
+            e.stopPropagation()
+          }
+        }
      }
      // 多选和取消多选
-      if (e.ctrlKey && this.mindMap.opt.enableCtrlKeyNodeSelection) {
+      if (e.ctrlKey && enableCtrlKeyNodeSelection) {
        this.isMultipleChoice = true
-        let isActive = this.nodeData.data.isActive
+        let isActive = this.getData('isActive')
        if (!isActive)
          this.mindMap.emit(
            'before_node_active',
            this,
            this.renderer.activeNodeList
          )
-        this.mindMap.execCommand('SET_NODE_ACTIVE', this, !isActive)
-        this.mindMap.renderer[isActive ? 'removeActiveNode' : 'addActiveNode'](
-          this
-        )
-        this.mindMap.emit(
-          'node_active',
-          isActive ? null : this,
-          this.mindMap.renderer.activeNodeList
-        )
+        this.mindMap.renderer[
+          isActive ? 'removeNodeFromActiveList' : 'addNodeToActiveList'
+        ](this)
+        this.mindMap.emit('node_active', isActive ? null : this, [
+          ...this.mindMap.renderer.activeNodeList
+        ])
      }
      this.mindMap.emit('node_mousedown', this, e)
    })
@@ -415,12 +453,14 @@ class Node {
      this.mindMap.emit('node_mouseup', this, e)
    })
    this.group.on('mouseenter', e => {
+      if (this.isDrag) return
      this._isMouseenter = true
      // 显示展开收起按钮
      this.showExpandBtn()
      this.mindMap.emit('node_mouseenter', this, e)
    })
    this.group.on('mouseleave', e => {
+      if (!this._isMouseenter) return
      this._isMouseenter = false
      this.hideExpandBtn()
      this.mindMap.emit('node_mouseleave', this, e)
@@ -435,17 +475,28 @@ class Node {
    })
    // 右键菜单事件
    this.group.on('contextmenu', e => {
+      const { readonly, useLeftKeySelectionRightKeyDrag } = this.mindMap.opt
      // 按住ctrl键点击鼠标左键不知为何触发的是contextmenu事件
-      if (this.mindMap.opt.readonly || e.ctrlKey) {
-        // || this.isGeneralization
+      if (readonly || e.ctrlKey) {
        return
      }
      e.stopPropagation()
      e.preventDefault()
-      if (this.nodeData.data.isActive) {
-        this.renderer.clearActive()
+      // 如果是多选节点结束，那么不要触发右键菜单事件
+      if (
+        this.mindMap.select &&
+        !useLeftKeySelectionRightKeyDrag &&
+        this.mindMap.select.hasSelectRange()
+      ) {
+        return
+      }
+      // 如果有且只有当前节点激活了，那么不需要重新激活
+      if (
+        !(this.getData('isActive') && this.renderer.activeNodeList.length === 1)
+      ) {
+        this.renderer.clearActiveNodeList()
+        this.active(e)
      }
-      this.active(e)
      this.mindMap.emit('node_contextmenu', e, this)
    })
  }
@@ -456,21 +507,21 @@ class Node {
      return
    }
    e && e.stopPropagation()
-    if (this.nodeData.data.isActive) {
+    if (this.getData('isActive')) {
      return
    }
    this.mindMap.emit('before_node_active', this, this.renderer.activeNodeList)
-    this.renderer.clearActive()
-    this.mindMap.execCommand('SET_NODE_ACTIVE', this, true)
-    this.renderer.addActiveNode(this)
-    this.mindMap.emit('node_active', this, this.renderer.activeNodeList)
+    this.renderer.clearActiveNodeList()
+    this.renderer.addNodeToActiveList(this)
+    this.mindMap.emit('node_active', this, [...this.renderer.activeNodeList])
  }

  //  更新节点
-  update(isLayout = false) {
+  update() {
    if (!this.group) {
      return
    }
+    this.updateNodeActiveClass()
    let { alwaysShowExpandBtn } = this.mindMap.opt
    if (alwaysShowExpandBtn) {
      // 需要移除展开收缩按钮
@@ -481,7 +532,7 @@ class Node {
        this.renderExpandBtn()
      }
    } else {
-      let { isActive, expand } = this.nodeData.data
+      let { isActive, expand } = this.getData()
      // 展开状态且非激活状态，且当前鼠标不在它上面，才隐藏
      if (expand && !isActive && !this._isMouseenter) {
        this.hideExpandBtn()
@@ -491,6 +542,8 @@ class Node {
    }
    // 更新概要
    this.renderGeneralization()
+    // 更新协同头像
+    if (this.updateUserListNode) this.updateUserListNode()
    // 更新节点位置
    let t = this.group.transform()
    // // 如果上次不在可视区内，且本次也不在，那么直接返回
@@ -543,13 +596,24 @@ class Node {
    return sizeChange
  }

-  // 更新节点形状样式
-  updateNodeShape() {
-    if (!this.shapeNode) return
-    const shape = this.getShape()
-    this.style[shape === CONSTANTS.SHAPE.RECTANGLE ? 'rect' : 'shape'](
-      this.shapeNode
-    )
+  // 更新节点激活状态
+  updateNodeActiveClass() {
+    if (!this.group) return
+    const isActive = this.getData('isActive')
+    this.group[isActive ? 'addClass' : 'removeClass']('active')
+  }
+
+  // 根据是否激活更新节点
+  updateNodeByActive(active) {
+    if (this.group) {
+      // 切换激活状态，需要切换展开收起按钮的显隐
+      if (active) {
+        this.showExpandBtn()
+      } else {
+        this.hideExpandBtn()
+      }
+      this.updateNodeActiveClass()
+    }
  }

  //  递归渲染
@@ -557,9 +621,7 @@ class Node {
    // 节点
    // 重新渲染连线
    this.renderLine()
-    let isLayout = false
    if (!this.group) {
-      isLayout = true
      // 创建组
      this.group = new G()
      this.group.addClass('smm-node')
@@ -567,11 +629,11 @@ class Node {
        cursor: 'default'
      })
      this.bindGroupEvent()
-      this.draw.add(this.group)
+      this.nodeDraw.add(this.group)
      this.layout()
-      this.update(isLayout)
+      this.update()
    } else {
-      this.draw.add(this.group)
+      this.nodeDraw.add(this.group)
      if (this.needLayout) {
        this.needLayout = false
        this.layout()
@@ -583,7 +645,7 @@ class Node {
    if (
      this.children &&
      this.children.length &&
-      this.nodeData.data.expand !== false
+      this.getData('expand') !== false
    ) {
      let index = 0
      this.children.forEach(item => {
@@ -628,6 +690,9 @@ class Node {
    this.removeGeneralization()
    this.removeLine()
    this.group = null
+    if (this.parent) {
+      this.parent.removeLine()
+    }
  }

  //  隐藏节点
@@ -671,9 +736,64 @@ class Node {
    }
  }

+  // 设置节点透明度
+  // 包括连接线和下级节点
+  setOpacity(val) {
+    // 自身及连线
+    this.group.opacity(val)
+    this._lines.forEach(line => {
+      line.opacity(val)
+    })
+    // 子节点
+    this.children.forEach(item => {
+      item.setOpacity(val)
+    })
+    // 概要节点
+    if (this._generalizationNode) {
+      this._generalizationLine.opacity(val)
+      this._generalizationNode.group.opacity(val)
+    }
+  }
+
+  // 隐藏子节点
+  hideChildren() {
+    this._lines.forEach(item => {
+      item.hide()
+    })
+    if (this.children && this.children.length) {
+      this.children.forEach(item => {
+        item.hide()
+      })
+    }
+  }
+
+  // 显示子节点
+  showChildren() {
+    this._lines.forEach(item => {
+      item.show()
+    })
+    if (this.children && this.children.length) {
+      this.children.forEach(item => {
+        item.show()
+      })
+    }
+  }
+
+  // 被拖拽中
+  startDrag() {
+    this.isDrag = true
+    this.group.addClass('smm-node-dragging')
+  }
+
+  // 拖拽结束
+  endDrag() {
+    this.isDrag = false
+    this.group.removeClass('smm-node-dragging')
+  }
+
  //  连线
  renderLine(deep = false) {
-    if (this.nodeData.data.expand === false) {
+    if (this.getData('expand') === false) {
      return
    }
    let childrenLen = this.nodeData.children.length
@@ -687,7 +807,7 @@ class Node {
    if (childrenLen > this._lines.length) {
      // 创建缺少的线
      new Array(childrenLen - this._lines.length).fill(0).forEach(() => {
-        this._lines.push(this.draw.path())
+        this._lines.push(this.lineDraw.path())
      })
    } else if (childrenLen < this._lines.length) {
      // 删除多余的线
@@ -770,12 +890,12 @@ class Node {

  //  检测当前节点是否是某个节点的祖先节点
  isParent(node) {
-    if (this === node) {
+    if (this.uid === node.uid) {
      return false
    }
    let parent = node.parent
    while (parent) {
-      if (this === parent) {
+      if (this.uid === parent.uid) {
        return true
      }
      parent = parent.parent
@@ -785,17 +905,17 @@ class Node {

  //  检测当前节点是否是某个节点的兄弟节点
  isBrother(node) {
-    if (!this.parent || this === node) {
+    if (!this.parent || this.uid === node.uid) {
      return false
    }
    return this.parent.children.find(item => {
-      return item === node
+      return item.uid === node.uid
    })
  }

  //  获取padding值
  getPaddingVale() {
-    let { isActive } = this.nodeData.data
+    let { isActive } = this.getData()
    return {
      paddingX: this.getStyle('paddingX', true, isActive),
      paddingY: this.getStyle('paddingY', true, isActive)
@@ -803,8 +923,8 @@ class Node {
  }

  //  获取某个样式
-  getStyle(prop, root, isActive) {
-    let v = this.style.merge(prop, root, isActive)
+  getStyle(prop, root) {
+    let v = this.style.merge(prop, root)
    return v === undefined ? '' : v
  }

@@ -833,12 +953,12 @@ class Node {

  // 获取节点非节点状态的边框大小
  getBorderWidth() {
-    return this.style.merge('borderWidth', false, false) || 0
+    return this.style.merge('borderWidth', false) || 0
  }

  //  获取数据
  getData(key) {
-    return key ? this.nodeData.data[key] || '' : this.nodeData.data
+    return key ? this.nodeData.data[key] : this.nodeData.data
  }

  // 是否存在自定义样式
--- a/simple-mind-map/src/core/render/node/Shape.js
+++ b/simple-mind-map/src/core/render/node/Shape.js
@@ -62,14 +62,10 @@ export default class Shape {
  //  创建形状节点
  createShape() {
    const shape = this.node.getShape()
-    const borderWidth = this.node.getBorderWidth()
-    let { width, height } = this.node
-    width -= borderWidth
-    height -= borderWidth
    let node = null
    // 矩形
    if (shape === CONSTANTS.SHAPE.RECTANGLE) {
-      node = new Rect().size(width, height)
+      node = this.createRect()
    } else if (shape === CONSTANTS.SHAPE.DIAMOND) {
      // 菱形
      node = this.createDiamond()
@@ -98,9 +94,41 @@ export default class Shape {
    return node
  }

+  // 获取节点减去节点边框宽度、hover节点边框宽度后的尺寸
+  getNodeSize() {
+    const borderWidth = this.node.getBorderWidth()
+    let { width, height } = this.node
+    width -= borderWidth
+    height -= borderWidth
+    return {
+      width,
+      height
+    }
+  }
+
+  // 创建矩形
+  createRect() {
+    let { width, height } = this.getNodeSize()
+    let borderRadius = this.node.style.merge('borderRadius')
+    return new Path().plot(`
+      M${borderRadius},0
+      L${width - borderRadius},0
+      C${width - borderRadius},0 ${width},${0} ${width},${borderRadius}
+      L${width},${height - borderRadius}
+      C${width},${height - borderRadius} ${width},${height} ${
+      width - borderRadius
+    },${height}
+      L${borderRadius},${height}
+      C${borderRadius},${height} ${0},${height} ${0},${height - borderRadius}
+      L${0},${borderRadius}
+      C${0},${borderRadius} ${0},${0} ${borderRadius},${0}
+      Z
+    `)
+  }
+
  //  创建菱形
  createDiamond() {
-    let { width, height } = this.node
+    let { width, height } = this.getNodeSize()
    let halfWidth = width / 2
    let halfHeight = height / 2
    let topX = halfWidth
@@ -123,7 +151,7 @@ export default class Shape {
  createParallelogram() {
    let { paddingX } = this.node.getPaddingVale()
    paddingX = paddingX || this.node.shapePadding.paddingX
-    let { width, height } = this.node
+    let { width, height } = this.getNodeSize()
    return new Polygon().plot([
      [paddingX, 0],
      [width, 0],
@@ -134,7 +162,7 @@ export default class Shape {

  //  创建圆角矩形
  createRoundedRectangle() {
-    let { width, height } = this.node
+    let { width, height } = this.getNodeSize()
    let halfHeight = height / 2
    return new Path().plot(`
      M${halfHeight},0
@@ -148,7 +176,7 @@ export default class Shape {
  //  创建八角矩形
  createOctagonalRectangle() {
    let w = 5
-    let { width, height } = this.node
+    let { width, height } = this.getNodeSize()
    return new Polygon().plot([
      [0, w],
      [w, 0],
@@ -165,7 +193,7 @@ export default class Shape {
  createOuterTriangularRectangle() {
    let { paddingX } = this.node.getPaddingVale()
    paddingX = paddingX || this.node.shapePadding.paddingX
-    let { width, height } = this.node
+    let { width, height } = this.getNodeSize()
    return new Polygon().plot([
      [paddingX, 0],
      [width - paddingX, 0],
@@ -180,7 +208,7 @@ export default class Shape {
  createInnerTriangularRectangle() {
    let { paddingX } = this.node.getPaddingVale()
    paddingX = paddingX || this.node.shapePadding.paddingX
-    let { width, height } = this.node
+    let { width, height } = this.getNodeSize()
    return new Polygon().plot([
      [0, 0],
      [width, 0],
@@ -193,7 +221,7 @@ export default class Shape {

  //  创建椭圆
  createEllipse() {
-    let { width, height } = this.node
+    let { width, height } = this.getNodeSize()
    let halfWidth = width / 2
    let halfHeight = height / 2
    return new Path().plot(`
@@ -206,7 +234,7 @@ export default class Shape {

  //  创建圆
  createCircle() {
-    let { width, height } = this.node
+    let { width, height } = this.getNodeSize()
    let halfWidth = width / 2
    let halfHeight = height / 2
    return new Path().plot(`
--- a/simple-mind-map/src/core/render/node/Style.js
+++ b/simple-mind-map/src/core/render/node/Style.js
@@ -1,6 +1,16 @@
-import { tagColorList, nodeDataNoStylePropList } from '../../../constants/constant'
+import {
+  checkIsNodeStyleDataKey,
+  generateColorByContent
+} from '../../../utils/index'
+
 const rootProp = ['paddingX', 'paddingY']
-const backgroundStyleProps = ['backgroundColor', 'backgroundImage', 'backgroundRepeat', 'backgroundPosition', 'backgroundSize']
+const backgroundStyleProps = [
+  'backgroundColor',
+  'backgroundImage',
+  'backgroundRepeat',
+  'backgroundPosition',
+  'backgroundSize'
+]

 //  样式类
 class Style {
@@ -10,12 +20,18 @@ class Style {
    if (!Style.cacheStyle) {
      Style.cacheStyle = {}
      let style = window.getComputedStyle(el)
-      backgroundStyleProps.forEach((prop) => {
+      backgroundStyleProps.forEach(prop => {
        Style.cacheStyle[prop] = style[prop]
      })
    }
    // 设置新样式
-    let { backgroundColor, backgroundImage, backgroundRepeat, backgroundPosition, backgroundSize } = themeConfig
+    let {
+      backgroundColor,
+      backgroundImage,
+      backgroundRepeat,
+      backgroundPosition,
+      backgroundSize
+    } = themeConfig
    el.style.backgroundColor = backgroundColor
    if (backgroundImage && backgroundImage !== 'none') {
      el.style.backgroundImage = `url(${backgroundImage})`
@@ -30,7 +46,7 @@ class Style {
  // 移除背景样式
  static removeBackgroundStyle(el) {
    if (!Style.cacheStyle) return
-    backgroundStyleProps.forEach((prop) => {
+    backgroundStyleProps.forEach(prop => {
      el.style[prop] = Style.cacheStyle[prop]
    })
    Style.cacheStyle = null
@@ -42,7 +58,7 @@ class Style {
  }

  //  合并样式
-  merge(prop, root, isActive) {
+  merge(prop, root) {
    let themeConfig = this.ctx.mindMap.themeConfig
    // 三级及以下节点
    let defaultConfig = themeConfig.node
@@ -59,17 +75,6 @@ class Style {
      // 二级节点
      defaultConfig = themeConfig.second
    }
-    // 激活状态
-    if (isActive !== undefined ? isActive : this.ctx.nodeData.data.isActive) {
-      if (
-        this.ctx.nodeData.data.activeStyle &&
-        this.ctx.nodeData.data.activeStyle[prop] !== undefined
-      ) {
-        return this.ctx.nodeData.data.activeStyle[prop]
-      } else if (defaultConfig.active && defaultConfig.active[prop]) {
-        return defaultConfig.active[prop]
-      }
-    }
    // 优先使用节点本身的样式
    return this.getSelfStyle(prop) !== undefined
      ? this.getSelfStyle(prop)
@@ -77,13 +82,13 @@ class Style {
  }

  //  获取某个样式值
-  getStyle(prop, root, isActive) {
-    return this.merge(prop, root, isActive)
+  getStyle(prop, root) {
+    return this.merge(prop, root)
  }

  //  获取自身自定义样式
  getSelfStyle(prop) {
-    return this.ctx.nodeData.data[prop]
+    return this.ctx.getData(prop)
  }

  //  矩形
@@ -102,7 +107,7 @@ class Style {
    //   !this.ctx.isRoot &&
    //   !this.ctx.isGeneralization &&
    //   this.ctx.mindMap.themeConfig.nodeUseLineStyle &&
-    //   !this.ctx.nodeData.data.isActive
+    //   !this.ctx.getData('isActive')
    // ) {
    //   return
    // }
@@ -142,10 +147,10 @@ class Style {

  // 获取文本样式
  getTextFontStyle() {
-    return { 
-      italic: this.merge('fontStyle') === 'italic', 
-      bold: this.merge('fontWeight'), 
-      fontSize: this.merge('fontSize'), 
+    return {
+      italic: this.merge('fontStyle') === 'italic',
+      bold: this.merge('fontWeight'),
+      fontSize: this.merge('fontSize'),
      fontFamily: this.merge('fontFamily')
    }
  }
@@ -160,10 +165,10 @@ class Style {
  }

  //  标签文字
-  tagText(node, index) {
+  tagText(node) {
    node
      .fill({
-        color: tagColorList[index].color
+        color: '#fff'
      })
      .css({
        'font-size': '12px'
@@ -171,9 +176,9 @@ class Style {
  }

  //  标签矩形
-  tagRect(node, index) {
+  tagRect(node, text, color) {
    node.fill({
-      color: tagColorList[index].background
+      color: color || generateColorByContent(text.node.textContent)
    })
  }

@@ -201,25 +206,40 @@ class Style {

  //  展开收起按钮
  iconBtn(node, node2, fillNode) {
-    let { color, fill } = this.ctx.mindMap.opt.expandBtnStyle || {
+    let { color, fill, fontSize, fontColor } = this.ctx.mindMap.opt
+      .expandBtnStyle || {
      color: '#808080',
-      fill: '#fff'
+      fill: '#fff',
+      fontSize: 12,
+      strokeColor: '#333333',
+      fontColor: '#333333'
    }
    node.fill({ color: color })
    node2.fill({ color: color })
    fillNode.fill({ color: fill })
+    if (this.ctx.mindMap.opt.isShowExpandNum) {
+      node.attr({ 'font-size': fontSize, 'font-color': fontColor })
+    }
  }

  // 是否设置了自定义的样式
  hasCustomStyle() {
    let res = false
-    Object.keys(this.ctx.nodeData.data).forEach((item) => {
-      if (!nodeDataNoStylePropList.includes(item)) {
+    Object.keys(this.ctx.getData()).forEach(item => {
+      if (checkIsNodeStyleDataKey(item)) {
        res = true
      }
    })
    return res
  }
+
+  // hover和激活节点
+  hoverNode(node) {
+    const { hoverRectColor } = this.ctx.mindMap.opt
+    node.radius(5).fill('none').stroke({
+      color: hoverRectColor
+    })
+  }
 }

 Style.cacheStyle = null
--- a/simple-mind-map/src/core/render/node/nodeCommandWraps.js
+++ b/simple-mind-map/src/core/render/node/nodeCommandWraps.js
@@ -39,13 +39,13 @@ function setShape(shape) {
 }

 //  修改某个样式
-function setStyle(prop, value, isActive) {
-  this.mindMap.execCommand('SET_NODE_STYLE', this, prop, value, isActive)
+function setStyle(prop, value) {
+  this.mindMap.execCommand('SET_NODE_STYLE', this, prop, value)
 }

 //  修改多个样式
-function setStyles(style, isActive) {
-  this.mindMap.execCommand('SET_NODE_STYLES', this, style, isActive)
+function setStyles(style) {
+  this.mindMap.execCommand('SET_NODE_STYLES', this, style)
 }

 export default {
--- a/simple-mind-map/src/core/render/node/nodeCooperate.js
+++ b/simple-mind-map/src/core/render/node/nodeCooperate.js
@@ -0,0 +1,104 @@
+import { Circle, G, Text, Image } from '@svgdotjs/svg.js'
+import { generateColorByContent } from '../../../utils/index'
+
+// 协同相关功能
+
+// 创建容器
+function createUserListNode() {
+  // 如果没有注册协作插件，那么需要创建
+  if (!this.mindMap.cooperate) return
+  this._userListGroup = new G()
+  this.group.add(this._userListGroup)
+}
+
+// 创建文本头像
+function createTextAvatar(item) {
+  const { avatarSize, fontSize } = this.mindMap.opt.cooperateStyle
+  const g = new G()
+  const str = item.isMore ? item.name : String(item.name)[0]
+  // 圆
+  const circle = new Circle().size(avatarSize, avatarSize)
+  circle.fill({
+    color: item.color || generateColorByContent(str)
+  })
+  // 文本
+  const text = new Text()
+    .text(str)
+    .fill({
+      color: '#fff'
+    })
+    .css({
+      'font-size': fontSize
+    })
+    .dx(-fontSize / 2)
+    .dy((avatarSize - fontSize) / 2)
+  g.add(circle).add(text)
+  return g
+}
+
+// 创建图片头像
+function createImageAvatar(item) {
+  const { avatarSize } = this.mindMap.opt.cooperateStyle
+  return new Image().load(item.avatar).size(avatarSize, avatarSize)
+}
+
+// 更新渲染
+function updateUserListNode() {
+  if (!this._userListGroup) return
+  const { avatarSize } = this.mindMap.opt.cooperateStyle
+  this._userListGroup.clear()
+  // 根据当前节点长度计算最多能显示几个
+  const length = this.userList.length
+  const maxShowCount = Math.floor(this.width / avatarSize)
+  const list = []
+  if (length > maxShowCount) {
+    // 如果当前用户数量比最多能显示的多，最后需要显示一个提示信息
+    list.push(...this.userList.slice(0, maxShowCount - 1), {
+      isMore: true,
+      name: '+' + (length - maxShowCount + 1)
+    })
+  } else {
+    list.push(...this.userList)
+  }
+  list.forEach((item, index) => {
+    let node = null
+    if (item.avatar) {
+      node = this.createImageAvatar(item)
+    } else {
+      node = this.createTextAvatar(item)
+    }
+    node.x(index * avatarSize).cy(-avatarSize / 2)
+    this._userListGroup.add(node)
+  })
+}
+
+// 添加用户
+function addUser(userInfo) {
+  if (
+    this.userList.find(item => {
+      return item.id == userInfo.id
+    })
+  )
+    return
+  this.userList.push(userInfo)
+  this.updateUserListNode()
+}
+
+// 移除用户
+function removeUser(userInfo) {
+  const index = this.userList.findIndex(item => {
+    return item.id == userInfo.id
+  })
+  if (index === -1) return
+  this.userList.splice(index, 1)
+  this.updateUserListNode()
+}
+
+export default {
+  createUserListNode,
+  updateUserListNode,
+  createTextAvatar,
+  createImageAvatar,
+  addUser,
+  removeUser
+}
--- a/simple-mind-map/src/core/render/node/nodeCreateContents.js
+++ b/simple-mind-map/src/core/render/node/nodeCreateContents.js
@@ -3,7 +3,8 @@ import {
  resizeImgSize,
  removeHtmlStyle,
  addHtmlStyle,
-  checkIsRichText
+  checkIsRichText,
+  isUndef
 } from '../../../utils'
 import { Image, SVG, A, G, Rect, Text, ForeignObject } from '@svgdotjs/svg.js'
 import iconsSvg from '../../../svg/icons'
@@ -11,14 +12,14 @@ import { CONSTANTS, commonCaches } from '../../../constants/constant'

 //  创建图片节点
 function createImgNode() {
-  let img = this.nodeData.data.image
+  let img = this.getData('image')
  if (!img) {
    return
  }
  let imgSize = this.getImgShowSize()
  let node = new Image().load(img).size(...imgSize)
-  if (this.nodeData.data.imageTitle) {
-    node.attr('title', this.nodeData.data.imageTitle)
+  if (this.getData('imageTitle')) {
+    node.attr('title', this.getData('imageTitle'))
  }
  node.on('dblclick', e => {
    this.mindMap.emit('node_img_dblclick', this, e)
@@ -41,7 +42,7 @@ function createImgNode() {

 //  获取图片显示宽高
 function getImgShowSize() {
-  const { custom, width, height } = this.nodeData.data.imageSize
+  const { custom, width, height } = this.getData('imageSize')
  // 如果是自定义了图片的宽高，那么不受最大宽高限制
  if (custom) return [width, height]
  return resizeImgSize(
@@ -54,7 +55,7 @@ function getImgShowSize() {

 //  创建icon节点
 function createIconNode() {
-  let _data = this.nodeData.data
+  let _data = this.getData()
  if (!_data.icon || _data.icon.length <= 0) {
    return []
  }
@@ -86,10 +87,11 @@ function createIconNode() {

 // 创建富文本节点
 function createRichTextNode() {
+  const { textAutoWrapWidth } = this.mindMap.opt
  let g = new G()
  // 重新设置富文本节点内容
  let recoverText = false
-  if (this.nodeData.data.resetRichText) {
+  if (this.getData('resetRichText')) {
    delete this.nodeData.data.resetRichText
    recoverText = true
  }
@@ -100,7 +102,7 @@ function createRichTextNode() {
    }
  }
  if (recoverText) {
-    let text = this.nodeData.data.text
+    let text = this.getData('text')
    // 判断节点内容是否是富文本
    let isRichText = checkIsRichText(text)
    // 样式字符串
@@ -114,20 +116,23 @@ function createRichTextNode() {
      // 非富文本
      text = `<p><span style="${style}">${text}</span></p>`
    }
-    this.nodeData.data.text = text
+    this.setData({
+      text: text
+    })
  }
-  let html = `<div>${this.nodeData.data.text}</div>`
+  let html = `<div>${this.getData('text')}</div>`
  if (!commonCaches.measureRichtextNodeTextSizeEl) {
    commonCaches.measureRichtextNodeTextSizeEl = document.createElement('div')
+    commonCaches.measureRichtextNodeTextSizeEl.style.position = 'fixed'
+    commonCaches.measureRichtextNodeTextSizeEl.style.left = '-999999px'
+    this.mindMap.el.appendChild(commonCaches.measureRichtextNodeTextSizeEl)
  }
  let div = commonCaches.measureRichtextNodeTextSizeEl
  div.innerHTML = html
-  div.style.cssText = `position: fixed; left: -999999px;`
  let el = div.children[0]
  el.classList.add('smm-richtext-node-wrap')
  el.setAttribute('xmlns', 'http://www.w3.org/1999/xhtml')
-  el.style.maxWidth = this.mindMap.opt.textAutoWrapWidth + 'px'
-  this.mindMap.el.appendChild(div)
+  el.style.maxWidth = textAutoWrapWidth + 'px'
  let { width, height } = el.getBoundingClientRect()
  // 如果文本为空，那么需要计算一个默认高度
  if (height <= 0) {
@@ -140,11 +145,10 @@ function createRichTextNode() {
  height = Math.ceil(height)
  g.attr('data-width', width)
  g.attr('data-height', height)
-  html = div.innerHTML
  let foreignObject = new ForeignObject()
  foreignObject.width(width)
  foreignObject.height(height)
-  foreignObject.add(SVG(html))
+  foreignObject.add(div.children[0])
  g.add(foreignObject)
  return {
    node: g,
@@ -155,19 +159,18 @@ function createRichTextNode() {

 //  创建文本节点
 function createTextNode() {
-  if (this.nodeData.data.richText) {
+  if (this.getData('richText')) {
    return this.createRichTextNode()
  }
  let g = new G()
-  let fontSize = this.getStyle('fontSize', false, this.nodeData.data.isActive)
-  let lineHeight = this.getStyle(
-    'lineHeight',
-    false,
-    this.nodeData.data.isActive
-  )
+  let fontSize = this.getStyle('fontSize', false)
+  let lineHeight = this.getStyle('lineHeight', false)
  // 文本超长自动换行
  let textStyle = this.style.getTextFontStyle()
-  let textArr = this.nodeData.data.text.split(/\n/gim)
+  let textArr = []
+  if (!isUndef(this.getData('text'))) {
+    textArr = String(this.getData('text')).split(/\n/gim)
+  }
  let maxWidth = this.mindMap.opt.textAutoWrapWidth
  let isMultiLine = false
  textArr.forEach((item, index) => {
@@ -214,7 +217,7 @@ function createTextNode() {

 //  创建超链接节点
 function createHyperlinkNode() {
-  let { hyperlink, hyperlinkTitle } = this.nodeData.data
+  let { hyperlink, hyperlinkTitle } = this.getData()
  if (!hyperlink) {
    return
  }
@@ -244,7 +247,7 @@ function createHyperlinkNode() {

 //  创建标签节点
 function createTagNode() {
-  let tagData = this.nodeData.data.tag
+  let tagData = this.getData('tag')
  if (!tagData || tagData.length <= 0) {
    return []
  }
@@ -252,12 +255,15 @@ function createTagNode() {
  tagData.slice(0, this.mindMap.opt.maxTag).forEach((item, index) => {
    let tag = new G()
    // 标签文本
-    let text = new Text().text(item).x(8).cy(10)
+    let text = new Text().text(item).x(8).cy(8)
    this.style.tagText(text, index)
    let { width } = text.bbox()
    // 标签矩形
    let rect = new Rect().size(width + 16, 20)
-    this.style.tagRect(rect, index)
+    // 先从自定义的颜色中获取颜色，没有的话就按照内容生成
+    const tagsColorList = this.mindMap.opt.tagsColorMap || {}
+    const color = tagsColorList[text.node.textContent]
+    this.style.tagRect(rect, text, color)
    tag.add(rect).add(text)
    nodes.push({
      node: tag,
@@ -270,7 +276,7 @@ function createTagNode() {

 //  创建备注节点
 function createNoteNode() {
-  if (!this.nodeData.data.note) {
+  if (!this.getData('note')) {
    return null
  }
  let iconSize = this.mindMap.themeConfig.iconSize
@@ -298,7 +304,7 @@ function createNoteNode() {
        this.mindMap.opt.customInnerElsAppendTo || document.body
      targetNode.appendChild(this.noteEl)
    }
-    this.noteEl.innerText = this.nodeData.data.note
+    this.noteEl.innerText = this.getData('note')
  }
  node.on('mouseover', () => {
    let { left, top } = node.node.getBoundingClientRect()
@@ -308,7 +314,7 @@ function createNoteNode() {
      this.noteEl.style.display = 'block'
    } else {
      this.mindMap.opt.customNoteContentShow.show(
-        this.nodeData.data.note,
+        this.getData('note'),
        left,
        top + iconSize
      )
--- a/simple-mind-map/src/core/render/node/nodeExpandBtn.js
+++ b/simple-mind-map/src/core/render/node/nodeExpandBtn.js
@@ -6,13 +6,27 @@ function createExpandNodeContent() {
  if (this._openExpandNode) {
    return
  }
-  let { open, close } = this.mindMap.opt.expandBtnIcon || {}
-  // 展开的节点
-  this._openExpandNode = SVG(open || btnsSvg.open).size(
-    this.expandBtnSize,
-    this.expandBtnSize
-  )
-  this._openExpandNode.x(0).y(-this.expandBtnSize / 2)
+  let { close, open } = this.mindMap.opt.expandBtnIcon || {}
+  // 根据配置判断是否显示数量按钮
+  if (this.mindMap.opt.isShowExpandNum) {
+    // 展开的节点
+    this._openExpandNode = SVG()
+      .text()
+      .size(this.expandBtnSize, this.expandBtnSize)
+    // 文本垂直居中
+    this._openExpandNode.attr({
+      'text-anchor': 'middle',
+      'dominant-baseline': 'middle',
+      x: this.expandBtnSize / 2,
+      y: 2
+    })
+  } else {
+    this._openExpandNode = SVG(open || btnsSvg.open).size(
+      this.expandBtnSize,
+      this.expandBtnSize
+    )
+    this._openExpandNode.x(0).y(-this.expandBtnSize / 2)
+  }
  // 收起的节点
  this._closeExpandNode = SVG(close || btnsSvg.close).size(
    this.expandBtnSize,
@@ -22,6 +36,7 @@ function createExpandNodeContent() {
  // 填充节点
  this._fillExpandNode = new Circle().size(this.expandBtnSize)
  this._fillExpandNode.x(0).y(-this.expandBtnSize / 2)
+
  // 设置样式
  this.style.iconBtn(
    this._openExpandNode,
@@ -29,10 +44,15 @@ function createExpandNodeContent() {
    this._fillExpandNode
  )
 }
-
+function sumNode(data = []) {
+  return data.reduce(
+    (total, cur) => total + this.sumNode(cur.children || []),
+    data.length
+  )
+}
 //  创建或更新展开收缩按钮内容
 function updateExpandBtnNode() {
-  let { expand } = this.nodeData.data
+  let { expand } = this.getData()
  // 如果本次和上次的展开状态一样则返回
  if (expand === this._lastExpandBtnType) return
  if (this._expandBtn) {
@@ -47,7 +67,27 @@ function updateExpandBtnNode() {
    node = this._closeExpandNode
    this._lastExpandBtnType = true
  }
-  if (this._expandBtn) this._expandBtn.add(this._fillExpandNode).add(node)
+
+  if (this._expandBtn) {
+    // 如果是收起按钮加上边框
+    let { isShowExpandNum, expandBtnStyle, expandBtnNumHandler } =
+      this.mindMap.opt
+    if (isShowExpandNum) {
+      if (!expand) {
+        // 数字按钮添加边框
+        this._fillExpandNode.stroke({
+          color: expandBtnStyle.strokeColor
+        })
+        // 计算子节点数量
+        let count = this.sumNode(this.nodeData.children)
+        count = expandBtnNumHandler(count)
+        node.text(count)
+      } else {
+        this._fillExpandNode.stroke('none')
+      }
+    }
+    this._expandBtn.add(this._fillExpandNode).add(node)
+  }
 }

 //  更新展开收缩按钮位置
@@ -89,13 +129,14 @@ function renderExpandBtn() {
      this.mindMap.execCommand(
        'SET_NODE_EXPAND',
        this,
-        !this.nodeData.data.expand
+        !this.getData('expand')
      )
      this.mindMap.emit('expand_btn_click', this)
    })
    this._expandBtn.on('dblclick', e => {
      e.stopPropagation()
    })
+    this._expandBtn.addClass('smm-expand-btn')
    this.group.add(this._expandBtn)
  }
  this._showExpandBtn = true
@@ -123,7 +164,7 @@ function showExpandBtn() {
 function hideExpandBtn() {
  if (this.mindMap.opt.alwaysShowExpandBtn || this._isMouseenter) return
  // 非激活状态且展开状态鼠标移出才隐藏按钮
-  let { isActive, expand } = this.nodeData.data
+  let { isActive, expand } = this.getData()
  if (!isActive && expand) {
    setTimeout(() => {
      this.removeExpandBtn()
@@ -138,5 +179,6 @@ export default {
  renderExpandBtn,
  removeExpandBtn,
  showExpandBtn,
-  hideExpandBtn
+  hideExpandBtn,
+  sumNode
 }
--- a/simple-mind-map/src/core/render/node/nodeGeneralization.js
+++ b/simple-mind-map/src/core/render/node/nodeGeneralization.js
@@ -2,47 +2,46 @@ import Node from './Node'
 import { createUid } from '../../../utils/index'

 //  检查是否存在概要
-function checkHasGeneralization () {
-  return !!this.nodeData.data.generalization
+function checkHasGeneralization() {
+  return !!this.getData('generalization')
 }

 //  创建概要节点
-function createGeneralizationNode () {
+function createGeneralizationNode() {
  if (this.isGeneralization || !this.checkHasGeneralization()) {
    return
  }
  if (!this._generalizationLine) {
-    this._generalizationLine = this.draw.path()
+    this._generalizationLine = this.lineDraw.path()
  }
  if (!this._generalizationNode) {
    this._generalizationNode = new Node({
      data: {
-        data: this.nodeData.data.generalization
+        data: this.getData('generalization')
      },
      uid: createUid(),
      renderer: this.renderer,
      mindMap: this.mindMap,
-      draw: this.draw,
      isGeneralization: true
    })
    this._generalizationNodeWidth = this._generalizationNode.width
    this._generalizationNodeHeight = this._generalizationNode.height
    this._generalizationNode.generalizationBelongNode = this
-    if (this.nodeData.data.generalization.isActive) {
-      this.renderer.addActiveNode(this._generalizationNode)
+    if (this.getData('generalization').isActive) {
+      this.renderer.addNodeToActiveList(this._generalizationNode)
    }
  }
 }

 //  更新概要节点
-function updateGeneralization () {
+function updateGeneralization() {
  if (this.isGeneralization) return
  this.removeGeneralization()
  this.createGeneralizationNode()
 }

 //  渲染概要节点
-function renderGeneralization () {
+function renderGeneralization() {
  if (this.isGeneralization) return
  if (!this.checkHasGeneralization()) {
    this.removeGeneralization()
@@ -50,7 +49,7 @@ function renderGeneralization () {
    this._generalizationNodeHeight = 0
    return
  }
-  if (this.nodeData.data.expand === false) {
+  if (this.getData('expand') === false) {
    this.removeGeneralization()
    return
  }
@@ -65,7 +64,7 @@ function renderGeneralization () {
 }

 //  删除概要节点
-function removeGeneralization () {
+function removeGeneralization() {
  if (this.isGeneralization) return
  if (this._generalizationLine) {
    this._generalizationLine.remove()
@@ -73,20 +72,20 @@ function removeGeneralization () {
  }
  if (this._generalizationNode) {
    // 删除概要节点时要同步从激活节点里删除
-    this.renderer.removeActiveNode(this._generalizationNode)
+    this.renderer.removeNodeFromActiveList(this._generalizationNode)
    this._generalizationNode.remove()
    this._generalizationNode = null
  }
  // hack修复当激活一个节点时创建概要，然后立即激活创建的概要节点后会重复创建概要节点并且无法删除的问题
  if (this.generalizationBelongNode) {
-    this.draw
+    this.nodeDraw
      .find('.generalization_' + this.generalizationBelongNode.uid)
      .remove()
  }
 }

 //  隐藏概要节点
-function hideGeneralization () {
+function hideGeneralization() {
  if (this.isGeneralization) return
  if (this._generalizationLine) {
    this._generalizationLine.hide()
@@ -97,7 +96,7 @@ function hideGeneralization () {
 }

 //  显示概要节点
-function showGeneralization () {
+function showGeneralization() {
  if (this.isGeneralization) return
  if (this._generalizationLine) {
    this._generalizationLine.show()
@@ -108,11 +107,11 @@ function showGeneralization () {
 }

 export default {
-    checkHasGeneralization,
-    createGeneralizationNode,
-    updateGeneralization,
-    renderGeneralization,
-    removeGeneralization,
-    hideGeneralization,
-    showGeneralization
-}
+  checkHasGeneralization,
+  createGeneralizationNode,
+  updateGeneralization,
+  renderGeneralization,
+  removeGeneralization,
+  hideGeneralization,
+  showGeneralization
+}
--- a/simple-mind-map/src/core/view/View.js
+++ b/simple-mind-map/src/core/view/View.js
@@ -25,15 +25,9 @@ class View {
    this.mindMap.keyCommand.addShortcut('Control+-', () => {
      this.narrow()
    })
-    this.mindMap.keyCommand.addShortcut('Control+Enter', () => {
-      this.reset()
-    })
    this.mindMap.keyCommand.addShortcut('Control+i', () => {
      this.fit()
    })
-    this.mindMap.svg.on('dblclick', () => {
-      this.reset()
-    })
    // 拖动视图
    this.mindMap.event.on('mousedown', () => {
      this.sx = this.x
@@ -78,7 +72,10 @@ class View {
      // 鼠标滚轮事件控制缩放
      if (mousewheelAction === CONSTANTS.MOUSE_WHEEL_ACTION.ZOOM) {
        if (disableMouseWheelZoom) return
-        const { x: clientX, y: clientY } = this.mindMap.toPos(e.clientX, e.clientY)
+        const { x: clientX, y: clientY } = this.mindMap.toPos(
+          e.clientX,
+          e.clientY
+        )
        let cx = mouseScaleCenterUseMousePosition ? clientX : undefined
        let cy = mouseScaleCenterUseMousePosition ? clientY : undefined
        switch (dir) {
@@ -170,7 +167,6 @@ class View {

  //  平移x方式到
  translateXTo(x) {
-    if (x === 0) return
    this.x = x
    this.transform()
  }
@@ -184,7 +180,6 @@ class View {

  //  平移y方向到
  translateYTo(y) {
-    if (y === 0) return
    this.y = y
    this.transform()
  }
@@ -265,7 +260,7 @@ class View {
    let drawHeight = rect.height / origTransform.scaleY
    let drawRatio = drawWidth / drawHeight
    let { width: elWidth, height: elHeight } =
-      this.mindMap.el.getBoundingClientRect()
+      this.mindMap.elRect
    elWidth = elWidth - fitPadding * 2
    elHeight = elHeight - fitPadding * 2
    let elRatio = elWidth / elHeight
--- a/simple-mind-map/src/layouts/Base.js
+++ b/simple-mind-map/src/layouts/Base.js
@@ -13,6 +13,7 @@ class Base {
    this.mindMap = renderer.mindMap
    // 绘图对象
    this.draw = this.mindMap.draw
+    this.lineDraw = this.mindMap.lineDraw
    // 根节点
    this.root = null
    this.lru = new Lru(this.mindMap.opt.maxNodeCacheCount)
@@ -46,7 +47,10 @@ class Base {

  // 检查当前来源是否需要重新计算节点大小
  checkIsNeedResizeSources() {
-    return [CONSTANTS.CHANGE_THEME, CONSTANTS.TRANSFORM_TO_NORMAL_NODE].includes(this.renderer.renderSource)
+    return [
+      CONSTANTS.CHANGE_THEME,
+      CONSTANTS.TRANSFORM_TO_NORMAL_NODE
+    ].includes(this.renderer.renderSource)
  }

  // 层级类型改变
@@ -70,7 +74,10 @@ class Base {
    // 数据上保存了节点引用，那么直接复用节点
    if (data && data._node && !this.renderer.reRender) {
      newNode = data._node
-      let isLayerTypeChange = this.checkIsLayerTypeChange(newNode.layerIndex, layerIndex)
+      let isLayerTypeChange = this.checkIsLayerTypeChange(
+        newNode.layerIndex,
+        layerIndex
+      )
      newNode.reset()
      newNode.layerIndex = layerIndex
      this.cacheNode(data._node.uid, newNode)
@@ -84,8 +91,11 @@ class Base {
      // 数据上没有保存节点引用，但是通过uid找到了缓存的节点，也可以复用
      newNode = this.lru.get(data.data.uid)
      // 保存该节点上一次的数据
-      let lastData = JSON.stringify(newNode.nodeData.data)
-      let isLayerTypeChange = this.checkIsLayerTypeChange(newNode.layerIndex, layerIndex)
+      let lastData = JSON.stringify(newNode.getData())
+      let isLayerTypeChange = this.checkIsLayerTypeChange(
+        newNode.layerIndex,
+        layerIndex
+      )
      newNode.reset()
      newNode.nodeData = newNode.handleData(data || {})
      newNode.layerIndex = layerIndex
@@ -117,9 +127,15 @@ class Base {
      // 数据关联实际节点
      data._node = newNode
      if (data.data.isActive) {
-        this.renderer.addActiveNode(newNode)
+        this.renderer.addNodeToActiveList(newNode)
      }
    }
+    // 如果当前节点在激活节点列表里，那么添加上激活的状态
+    if (this.mindMap.renderer.findActiveNodeIndex(newNode) !== -1) {
+      newNode.setData({
+        isActive: true
+      })
+    }
    // 根节点
    if (isRoot) {
      newNode.isRoot = true
@@ -139,7 +155,7 @@ class Base {
    } else if (initRootNodePositionMap[value] !== undefined) {
      return size * initRootNodePositionMap[value]
    } else if (/^\d\d*%$/.test(value)) {
-      return Number.parseFloat(value) / 100 * size
+      return (Number.parseFloat(value) / 100) * size
    } else {
      return (size - nodeSize) / 2
    }
@@ -148,12 +164,24 @@ class Base {
  //  定位节点到画布中间
  setNodeCenter(node) {
    let { initRootNodePosition } = this.mindMap.opt
-    let { CENTER }= CONSTANTS.INIT_ROOT_NODE_POSITION
-    if (!initRootNodePosition || !Array.isArray(initRootNodePosition) || initRootNodePosition.length < 2) {
+    let { CENTER } = CONSTANTS.INIT_ROOT_NODE_POSITION
+    if (
+      !initRootNodePosition ||
+      !Array.isArray(initRootNodePosition) ||
+      initRootNodePosition.length < 2
+    ) {
      initRootNodePosition = [CENTER, CENTER]
    }
-    node.left = this.formatPosition(initRootNodePosition[0], this.mindMap.width, node.width)
-    node.top = this.formatPosition(initRootNodePosition[1], this.mindMap.height, node.height)
+    node.left = this.formatPosition(
+      initRootNodePosition[0],
+      this.mindMap.width,
+      node.width
+    )
+    node.top = this.formatPosition(
+      initRootNodePosition[1],
+      this.mindMap.height,
+      node.height
+    )
  }

  //  更新子节点属性
@@ -170,7 +198,7 @@ class Base {
  //  更新子节点多个属性
  updateChildrenPro(children, props) {
    children.forEach(item => {
-      Object.keys(props).forEach((prop) => {
+      Object.keys(props).forEach(prop => {
        item[prop] += props[prop]
      })
      if (item.children && item.children.length && !item.hasCustomPosition()) {
@@ -181,9 +209,13 @@ class Base {
  }

  //  递归计算节点的宽度
-  getNodeAreaWidth(node) {
+  getNodeAreaWidth(node, withGeneralization = false) {
    let widthArr = []
+    let totalGeneralizationNodeWidth = 0
    let loop = (node, width) => {
+      if (withGeneralization && node.checkHasGeneralization()) {
+        totalGeneralizationNodeWidth += node._generalizationNodeWidth
+      }
      if (node.children.length) {
        width += node.width / 2
        node.children.forEach(item => {
@@ -195,7 +227,7 @@ class Base {
      }
    }
    loop(node, 0)
-    return Math.max(...widthArr)
+    return Math.max(...widthArr) + totalGeneralizationNodeWidth
  }

  //  二次贝塞尔曲线
@@ -216,16 +248,22 @@ class Base {

  //   获取节点的marginX
  getMarginX(layerIndex) {
+    const { themeConfig, opt } = this.mindMap
+    const { second, node } = themeConfig
+    const hoverRectPadding = opt.hoverRectPadding * 2
    return layerIndex === 1
-      ? this.mindMap.themeConfig.second.marginX
-      : this.mindMap.themeConfig.node.marginX
+      ? second.marginX + hoverRectPadding
+      : node.marginX + hoverRectPadding
  }

  //  获取节点的marginY
  getMarginY(layerIndex) {
+    const { themeConfig, opt } = this.mindMap
+    const { second, node } = themeConfig
+    const hoverRectPadding = opt.hoverRectPadding * 2
    return layerIndex === 1
-      ? this.mindMap.themeConfig.second.marginY
-      : this.mindMap.themeConfig.node.marginY
+      ? second.marginY + hoverRectPadding
+      : node.marginY + hoverRectPadding
  }

  //  获取节点包括概要在内的宽度
@@ -262,12 +300,12 @@ class Base {
          let { left, right, top, bottom } = walk(child)
          // 概要内容的宽度
          let generalizationWidth =
-            child.checkHasGeneralization() && child.nodeData.data.expand
+            child.checkHasGeneralization() && child.getData('expand')
              ? child._generalizationNodeWidth + generalizationNodeMargin
              : 0
          // 概要内容的高度
          let generalizationHeight =
-            child.checkHasGeneralization() && child.nodeData.data.expand
+            child.checkHasGeneralization() && child.getData('expand')
              ? child._generalizationNodeHeight + generalizationNodeMargin
              : 0
          if (left - (dir === 'h' ? generalizationWidth : 0) < _left) {
--- a/simple-mind-map/src/layouts/CatalogOrganization.js
+++ b/simple-mind-map/src/layouts/CatalogOrganization.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun } from '../utils'
+import { walk, asyncRun, getNodeIndexInNodeList } from '../utils'

 //  目录组织图
 class CatalogOrganization extends Base {
@@ -73,7 +73,7 @@ class CatalogOrganization extends Base {
      null,
      (node, parent, isRoot, layerIndex) => {
        if (
-          node.nodeData.data.expand &&
+          node.getData('expand') &&
          node.children &&
          node.children.length
        ) {
@@ -87,11 +87,18 @@ class CatalogOrganization extends Base {
              totalLeft += cur.width + marginX
            })
          } else {
-            let totalTop = node.top + node.height + marginY + (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+            let totalTop =
+              node.top +
+              this.getNodeHeightWithGeneralization(node) +
+              marginY +
+              (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
            node.children.forEach(cur => {
              cur.left = node.left + node.width * 0.5
              cur.top = totalTop
-              totalTop += cur.height + marginY + (this.getNodeActChildrenLength(cur) > 0 ? cur.expandBtnSize : 0)
+              totalTop +=
+                this.getNodeHeightWithGeneralization(cur) +
+                marginY +
+                (this.getNodeActChildrenLength(cur) > 0 ? cur.expandBtnSize : 0)
            })
          }
        }
@@ -107,12 +114,12 @@ class CatalogOrganization extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        // 调整left
        if (parent && parent.isRoot) {
-          let areaWidth = this.getNodeAreaWidth(node)
+          let areaWidth = this.getNodeAreaWidth(node, true)
          let difference = areaWidth - node.width
          if (difference > 0) {
            this.updateBrothersLeft(node, difference)
@@ -124,7 +131,13 @@ class CatalogOrganization extends Base {
          let marginY = this.getMarginY(layerIndex + 1)
          let totalHeight =
            node.children.reduce((h, item) => {
-              return h + item.height + (this.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+              return (
+                h +
+                this.getNodeHeightWithGeneralization(item) +
+                (this.getNodeActChildrenLength(item) > 0
+                  ? item.expandBtnSize
+                  : 0)
+              )
            }, 0) +
            len * marginY
          this.updateBrothersTop(node, totalHeight)
@@ -134,7 +147,7 @@ class CatalogOrganization extends Base {
        if (isRoot) {
          let { right, left } = this.getNodeBoundaries(node, 'h')
          let childrenWidth = right - left
-          let offset = (node.left - left) - (childrenWidth - node.width) / 2
+          let offset = node.left - left - (childrenWidth - node.width) / 2
          this.updateChildren(node.children, 'left', offset)
        }
      },
@@ -146,9 +159,7 @@ class CatalogOrganization extends Base {
  updateBrothersLeft(node, addWidth) {
    if (node.parent) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition() || _index <= index) {
          // 适配自定义位置
@@ -169,9 +180,7 @@ class CatalogOrganization extends Base {
  updateBrothersTop(node, addHeight) {
    if (node.parent && !node.parent.isRoot) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition()) {
          // 适配自定义位置
@@ -234,14 +243,14 @@ class CatalogOrganization extends Base {
      minx = Math.min(minx, x1)
      maxx = Math.max(maxx, x1)
      // 父节点的竖线
-      let line1 = this.draw.path()
+      let line1 = this.lineDraw.path()
      node.style.line(line1)
      line1.plot(`M ${x1},${y1} L ${x1},${y1 + s1}`)
      node._lines.push(line1)
      style && style(line1, node)
      // 水平线
      if (len > 0) {
-        let lin2 = this.draw.path()
+        let lin2 = this.lineDraw.path()
        node.style.line(lin2)
        lin2.plot(`M ${minx},${y1 + s1} L ${maxx},${y1 + s1}`)
        node._lines.push(lin2)
@@ -302,7 +311,7 @@ class CatalogOrganization extends Base {
      })
      // 竖线
      if (len > 0) {
-        let lin2 = this.draw.path()
+        let lin2 = this.lineDraw.path()
        expandBtnSize = len > 0 ? expandBtnSize : 0
        node.style.line(lin2)
        if (maxy < y1 + expandBtnSize) {
--- a/simple-mind-map/src/layouts/Fishbone.js
+++ b/simple-mind-map/src/layouts/Fishbone.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun, degToRad } from '../utils'
+import { walk, asyncRun, degToRad, getNodeIndexInNodeList } from '../utils'
 import { CONSTANTS } from '../constants/constant'
 import utils from './fishboneUtils'

@@ -56,10 +56,11 @@ class Fishbone extends Base {
          }
          // 计算二级节点的top值
          if (parent._node.isRoot) {
+            let marginY = this.getMarginY(layerIndex)
            if (this.checkIsTop(newNode)) {
-              newNode.top = parent._node.top - newNode.height
+              newNode.top = parent._node.top - newNode.height - marginY
            } else {
-              newNode.top = parent._node.top + parent._node.height
+              newNode.top = parent._node.top + parent._node.height + marginY
            }
          }
        }
@@ -80,15 +81,16 @@ class Fishbone extends Base {
      null,
      (node, parent, isRoot, layerIndex) => {
        if (node.isRoot) {
-          let topTotalLeft = node.left + node.width + node.height
-          let bottomTotalLeft = node.left + node.width + node.height
+          let marginX = this.getMarginX(layerIndex + 1)
+          let topTotalLeft = node.left + node.width + node.height + marginX
+          let bottomTotalLeft = node.left + node.width + node.height + marginX
          node.children.forEach(item => {
            if (this.checkIsTop(item)) {
              item.left = topTotalLeft
-              topTotalLeft += item.width
+              topTotalLeft += item.width + marginX
            } else {
              item.left = bottomTotalLeft + 20
-              bottomTotalLeft += item.width
+              bottomTotalLeft += item.width + marginX
            }
          })
        }
@@ -110,7 +112,7 @@ class Fishbone extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        let params = { node, parent, layerIndex, ctx: this }
@@ -154,9 +156,11 @@ class Fishbone extends Base {
  getNodeAreaHeight(node) {
    let totalHeight = 0
    let loop = node => {
+      let marginY = this.getMarginY(node.layerIndex)
      totalHeight +=
        node.height +
-        (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+        (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0) +
+        marginY
      if (node.children.length) {
        node.children.forEach(item => {
          loop(item)
@@ -189,9 +193,7 @@ class Fishbone extends Base {
  updateBrothersTop(node, addHeight) {
    if (node.parent && !node.parent.isRoot) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition()) {
          // 适配自定义位置
@@ -244,10 +246,11 @@ class Fishbone extends Base {
          maxx = item.left
        }
        // 水平线段到二级节点的连线
+        let marginY = this.getMarginY(item.layerIndex)
        let nodeLineX = item.left
-        let offset = node.height / 2
+        let offset = node.height / 2 + marginY
        let offsetX = offset / Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
-        let line = this.draw.path()
+        let line = this.lineDraw.path()
        if (this.checkIsTop(item)) {
          line.plot(
            `M ${nodeLineX - offsetX},${item.top + item.height + offset} L ${
@@ -267,8 +270,8 @@ class Fishbone extends Base {
      })
      // 从根节点出发的水平线
      let nodeHalfTop = node.top + node.height / 2
-      let offset = node.height / 2
-      let line = this.draw.path()
+      let offset = node.height / 2 + this.getMarginY(node.layerIndex + 1)
+      let line = this.lineDraw.path()
      line.plot(
        `M ${node.left + node.width},${nodeHalfTop} L ${
          maxx - offset / Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
@@ -303,7 +306,7 @@ class Fishbone extends Base {
      })
      // 斜线
      if (len >= 0) {
-        let line = this.draw.path()
+        let line = this.lineDraw.path()
        expandBtnSize = len > 0 ? expandBtnSize : 0
        let lineLength = maxx - node.left - node.width * this.indent
        lineLength = Math.max(lineLength, 0)
--- a/simple-mind-map/src/layouts/FishboneBottom.js
+++ b/simple-mind-map/src/layouts/FishboneBottom.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun } from '../utils'
+import { walk, asyncRun, getNodeIndexInNodeList } from '../utils'
 import { CONSTANTS } from '../utils/constant'

 const degToRad = deg => {
@@ -127,7 +127,7 @@ class Fishbone extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        // 调整top
@@ -170,7 +170,8 @@ class Fishbone extends Base {
            item.top += _top
            // 调整left
            let offsetLeft =
-              (totalHeight2 + nodeTotalHeight) / Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
+              (totalHeight2 + nodeTotalHeight) /
+              Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
            item.left += offsetLeft
            totalHeight += offset
            totalHeight2 += nodeTotalHeight
@@ -236,9 +237,7 @@ class Fishbone extends Base {
  updateBrothersTop(node, addHeight) {
    if (node.parent && !node.parent.isRoot) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition()) {
          // 适配自定义位置
@@ -306,13 +305,15 @@ class Fishbone extends Base {
      })
      // 竖线
      if (len > 0) {
-        let line = this.draw.path()
+        let line = this.lineDraw.path()
        expandBtnSize = len > 0 ? expandBtnSize : 0
        let lineLength = maxx - node.left - node.width * 0.3
        if (node.parent && node.parent.isRoot) {
          line.plot(
            `M ${x},${top + height} L ${x + lineLength},${
-              top + height + Math.tan(degToRad(this.mindMap.opt.fishboneDeg)) * lineLength
+              top +
+              height +
+              Math.tan(degToRad(this.mindMap.opt.fishboneDeg)) * lineLength
            }`
          )
        } else {
--- a/simple-mind-map/src/layouts/FishboneTop.js
+++ b/simple-mind-map/src/layouts/FishboneTop.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun } from '../utils'
+import { walk, asyncRun, getNodeIndexInNodeList } from '../utils'
 import { CONSTANTS } from '../utils/constant'

 const degToRad = deg => {
@@ -110,7 +110,7 @@ class Fishbone extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        // 调整top
@@ -140,7 +140,8 @@ class Fishbone extends Base {
              node.top - (item.top - node.top) - nodeTotalHeight + node.height
            // 调整left
            let offsetLeft =
-              (nodeTotalHeight + totalHeight) / Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
+              (nodeTotalHeight + totalHeight) /
+              Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
            item.left += offsetLeft
            totalHeight += nodeTotalHeight
            // 同步更新后代节点
@@ -205,9 +206,7 @@ class Fishbone extends Base {
  updateBrothersTop(node, addHeight) {
    if (node.parent && !node.parent.isRoot) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition()) {
          // 适配自定义位置
@@ -275,7 +274,7 @@ class Fishbone extends Base {
      })
      // 竖线
      if (len > 0) {
-        let line = this.draw.path()
+        let line = this.lineDraw.path()
        expandBtnSize = len > 0 ? expandBtnSize : 0
        let lineLength = maxx - node.left - node.width * 0.3
        if (
@@ -285,14 +284,16 @@ class Fishbone extends Base {
        ) {
          line.plot(
            `M ${x},${top} L ${x + lineLength},${
-              top - Math.tan(degToRad(this.mindMap.opt.fishboneDeg)) * lineLength
+              top -
+              Math.tan(degToRad(this.mindMap.opt.fishboneDeg)) * lineLength
            }`
          )
        } else {
          if (node.parent && node.parent.isRoot) {
            line.plot(
              `M ${x},${top} L ${x + lineLength},${
-                top - Math.tan(degToRad(this.mindMap.opt.fishboneDeg)) * lineLength
+                top -
+                Math.tan(degToRad(this.mindMap.opt.fishboneDeg)) * lineLength
              }`
            )
          } else {
--- a/simple-mind-map/src/layouts/LogicalStructure.js
+++ b/simple-mind-map/src/layouts/LogicalStructure.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun } from '../utils'
+import { walk, asyncRun, getNodeIndexInNodeList } from '../utils'

 //  逻辑结构图
 class LogicalStructure extends Base {
@@ -56,6 +56,15 @@ class LogicalStructure extends Base {
            }, 0) +
            (len + 1) * this.getMarginY(layerIndex + 1)
          : 0
+        // 如果存在概要，则和概要的高度取最大值
+        let generalizationNodeHeight = cur._node.checkHasGeneralization()
+          ? cur._node._generalizationNodeHeight +
+            this.getMarginY(layerIndex + 1)
+          : 0
+        cur._node.childrenAreaHeight2 = Math.max(
+          cur._node.childrenAreaHeight,
+          generalizationNodeHeight
+        )
      },
      true,
      0
@@ -69,7 +78,7 @@ class LogicalStructure extends Base {
      null,
      (node, parent, isRoot, layerIndex) => {
        if (
-          node.nodeData.data.expand &&
+          node.getData('expand') &&
          node.children &&
          node.children.length
        ) {
@@ -94,12 +103,12 @@ class LogicalStructure extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        // 判断子节点所占的高度之和是否大于该节点自身，大于则需要调整位置
        let difference =
-          node.childrenAreaHeight -
+          node.childrenAreaHeight2 -
          this.getMarginY(layerIndex + 1) * 2 -
          node.height
        if (difference > 0) {
@@ -115,11 +124,9 @@ class LogicalStructure extends Base {
  updateBrothers(node, addHeight) {
    if (node.parent) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
-        if (item === node || item.hasCustomPosition()) {
+        if (item.uid === node.uid || item.hasCustomPosition()) {
          // 适配自定义位置
          return
        }
--- a/simple-mind-map/src/layouts/MindMap.js
+++ b/simple-mind-map/src/layouts/MindMap.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun } from '../utils'
+import { walk, asyncRun, getNodeIndexInNodeList } from '../utils'
 import { CONSTANTS } from '../constants/constant'

 //  思维导图
@@ -90,6 +90,20 @@ class MindMap extends Base {
        cur._node.rightChildrenAreaHeight =
          rightChildrenAreaHeight +
          (rightLen + 1) * this.getMarginY(layerIndex + 1)
+
+        // 如果存在概要，则和概要的高度取最大值
+        let generalizationNodeHeight = cur._node.checkHasGeneralization()
+          ? cur._node._generalizationNodeHeight +
+            this.getMarginY(layerIndex + 1)
+          : 0
+        cur._node.leftChildrenAreaHeight2 = Math.max(
+          cur._node.leftChildrenAreaHeight,
+          generalizationNodeHeight
+        )
+        cur._node.rightChildrenAreaHeight2 = Math.max(
+          cur._node.rightChildrenAreaHeight,
+          generalizationNodeHeight
+        )
      },
      true,
      0
@@ -103,7 +117,7 @@ class MindMap extends Base {
      null,
      (node, parent, isRoot, layerIndex) => {
        if (
-          node.nodeData.data.expand &&
+          node.getData('expand') &&
          node.children &&
          node.children.length
        ) {
@@ -134,13 +148,13 @@ class MindMap extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        // 判断子节点所占的高度之和是否大于该节点自身，大于则需要调整位置
        let base = this.getMarginY(layerIndex + 1) * 2 + node.height
-        let leftDifference = node.leftChildrenAreaHeight - base
-        let rightDifference = node.rightChildrenAreaHeight - base
+        let leftDifference = node.leftChildrenAreaHeight2 - base
+        let rightDifference = node.rightChildrenAreaHeight2 - base
        if (leftDifference > 0 || rightDifference > 0) {
          this.updateBrothers(node, leftDifference / 2, rightDifference / 2)
        }
@@ -157,9 +171,7 @@ class MindMap extends Base {
      let childrenList = node.parent.children.filter(item => {
        return item.dir === node.dir
      })
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition()) {
          // 适配自定义位置
--- a/simple-mind-map/src/layouts/OrganizationStructure.js
+++ b/simple-mind-map/src/layouts/OrganizationStructure.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun } from '../utils'
+import { walk, asyncRun, getNodeIndexInNodeList } from '../utils'

 //  组织结构图
 // 和逻辑结构图基本一样，只是方向变成向下生长，所以先计算节点的top，后计算节点的left、最后调整节点的left即可
@@ -57,6 +57,15 @@ class OrganizationStructure extends Base {
            }, 0) +
            (len + 1) * this.getMarginY(layerIndex + 1)
          : 0
+
+        // 如果存在概要，则和概要的高度取最大值
+        let generalizationNodeWidth = cur._node.checkHasGeneralization()
+          ? cur._node._generalizationNodeWidth + this.getMarginY(layerIndex + 1)
+          : 0
+        cur._node.childrenAreaWidth2 = Math.max(
+          cur._node.childrenAreaWidth,
+          generalizationNodeWidth
+        )
      },
      true,
      0
@@ -70,7 +79,7 @@ class OrganizationStructure extends Base {
      null,
      (node, parent, isRoot, layerIndex) => {
        if (
-          node.nodeData.data.expand &&
+          node.getData('expand') &&
          node.children &&
          node.children.length
        ) {
@@ -95,12 +104,12 @@ class OrganizationStructure extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        // 判断子节点所占的宽度之和是否大于该节点自身，大于则需要调整位置
        let difference =
-          node.childrenAreaWidth -
+          node.childrenAreaWidth2 -
          this.getMarginY(layerIndex + 1) * 2 -
          node.width
        if (difference > 0) {
@@ -116,9 +125,7 @@ class OrganizationStructure extends Base {
  updateBrothers(node, addWidth) {
    if (node.parent) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition()) {
          // 适配自定义位置
@@ -209,7 +216,7 @@ class OrganizationStructure extends Base {
    minx = Math.min(x1, minx)
    maxx = Math.max(x1, maxx)
    // 父节点的竖线
-    let line1 = this.draw.path()
+    let line1 = this.lineDraw.path()
    node.style.line(line1)
    expandBtnSize = len > 0 && !isRoot ? expandBtnSize : 0
    line1.plot(`M ${x1},${y1 + expandBtnSize} L ${x1},${y1 + s1}`)
@@ -217,7 +224,7 @@ class OrganizationStructure extends Base {
    style && style(line1, node)
    // 水平线
    if (len > 0) {
-      let lin2 = this.draw.path()
+      let lin2 = this.lineDraw.path()
      node.style.line(lin2)
      lin2.plot(`M ${minx},${y1 + s1} L ${maxx},${y1 + s1}`)
      node._lines.push(lin2)
--- a/simple-mind-map/src/layouts/Timeline.js
+++ b/simple-mind-map/src/layouts/Timeline.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun } from '../utils'
+import { walk, asyncRun, getNodeIndexInNodeList } from '../utils'
 import { CONSTANTS } from '../constants/constant'

 //  时间轴
@@ -81,7 +81,7 @@ class Timeline extends Base {
      null,
      (node, parent, isRoot, layerIndex, index) => {
        if (
-          node.nodeData.data.expand &&
+          node.getData('expand') &&
          node.children &&
          node.children.length
        ) {
@@ -122,7 +122,7 @@ class Timeline extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        // 调整left
@@ -208,9 +208,7 @@ class Timeline extends Base {
  updateBrothersTop(node, addHeight) {
    if (node.parent && !node.parent.isRoot) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition()) {
          // 适配自定义位置
@@ -275,7 +273,7 @@ class Timeline extends Base {
      })
      // 竖线
      if (len > 0) {
-        let line = this.draw.path()
+        let line = this.lineDraw.path()
        expandBtnSize = len > 0 ? expandBtnSize : 0
        if (
          node.parent &&
--- a/simple-mind-map/src/layouts/VerticalTimeline.js
+++ b/simple-mind-map/src/layouts/VerticalTimeline.js
@@ -1,5 +1,5 @@
 import Base from './Base'
-import { walk, asyncRun } from '../utils'
+import { walk, asyncRun, getNodeIndexInNodeList } from '../utils'
 import { CONSTANTS } from '../constants/constant'

 //  竖向时间轴
@@ -98,7 +98,7 @@ class VerticalTimeline extends Base {
      null,
      (node, parent, isRoot, layerIndex, index) => {
        if (
-          node.nodeData.data.expand &&
+          node.getData('expand') &&
          node.children &&
          node.children.length
        ) {
@@ -135,7 +135,7 @@ class VerticalTimeline extends Base {
      this.root,
      null,
      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
+        if (!node.getData('expand')) {
          return
        }
        if (isRoot) return
@@ -155,14 +155,12 @@ class VerticalTimeline extends Base {
  updateBrothers(node, addHeight) {
    if (node.parent) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        // 自定义节点位置
        if (item.hasCustomPosition()) return
        // 三级或三级以下节点自身位置不需要动
-        if (!node.parent.isRoot && item === node) return
+        if (!node.parent.isRoot && item.uid === node.uid) return
        let _offset = 0
        // 二级节点上面的兄弟节点不需要移动，自身需要往下移动
        if (node.parent.isRoot) {
@@ -201,9 +199,7 @@ class VerticalTimeline extends Base {
  updateBrothersTop(node, addHeight) {
    if (node.parent && !node.parent.isRoot) {
      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
+      let index = getNodeIndexInNodeList(node, childrenList)
      childrenList.forEach((item, _index) => {
        if (item.hasCustomPosition()) {
          // 适配自定义位置
--- a/simple-mind-map/src/layouts/fishboneUtils.js
+++ b/simple-mind-map/src/layouts/fishboneUtils.js
@@ -47,30 +47,35 @@ export default {
    computedLeftTopValue({ layerIndex, node, ctx }) {
      if (layerIndex >= 1 && node.children) {
        // 遍历三级及以下节点的子节点
+        let marginY = ctx.getMarginY(layerIndex + 1)
        let startLeft = node.left + node.width * ctx.childIndent
        let totalTop =
          node.top +
          node.height +
-          (ctx.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+          (ctx.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0) +
+          marginY
        node.children.forEach(item => {
          item.left = startLeft
          item.top += totalTop
          totalTop +=
            item.height +
-            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0) +
+            marginY
        })
      }
    },
-    adjustLeftTopValueBefore({ node, parent, ctx }) {
+    adjustLeftTopValueBefore({ node, parent, ctx, layerIndex }) {
      // 调整top
      let len = node.children.length
+      let marginY = ctx.getMarginY(layerIndex + 1)
      // 调整三级及以下节点的top
      if (parent && !parent.isRoot && len > 0) {
        let totalHeight = node.children.reduce((h, item) => {
          return (
            h +
            item.height +
-            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0) +
+            marginY
          )
        }, 0)
        ctx.updateBrothersTop(node, totalHeight)
@@ -80,7 +85,8 @@ export default {
      // 将二级节点的子节点移到上方
      if (parent && parent.isRoot) {
        // 遍历二级节点的子节点
-        let totalHeight = node.expandBtnSize
+        let marginY = ctx.getMarginY(node.layerIndex + 1)
+        let totalHeight = node.expandBtnSize + marginY
        node.children.forEach(item => {
          // 调整top
          let nodeTotalHeight = ctx.getNodeAreaHeight(item)
@@ -89,7 +95,11 @@ export default {
          item.top =
            node.top - (item.top - node.top) - nodeTotalHeight + node.height
          // 调整left
-          item.left = node.left + node.width * ctx.indent + (nodeTotalHeight + totalHeight) / Math.tan(degToRad(ctx.mindMap.opt.fishboneDeg))
+          item.left =
+            node.left +
+            node.width * ctx.indent +
+            (nodeTotalHeight + totalHeight) /
+              Math.tan(degToRad(ctx.mindMap.opt.fishboneDeg))
          totalHeight += nodeTotalHeight
          // 同步更新后代节点
          ctx.updateChildrenPro(item.children, {
@@ -126,7 +136,9 @@ export default {
      if (node.parent && node.parent.isRoot) {
        line.plot(
          `M ${x},${top + height} L ${x + lineLength},${
-            top + height + Math.tan(degToRad(ctx.mindMap.opt.fishboneDeg)) * lineLength
+            top +
+            height +
+            Math.tan(degToRad(ctx.mindMap.opt.fishboneDeg)) * lineLength
          }`
        )
      } else {
@@ -134,13 +146,15 @@ export default {
      }
    },
    computedLeftTopValue({ layerIndex, node, ctx }) {
+      let marginY = ctx.getMarginY(layerIndex + 1)
      if (layerIndex === 1 && node.children) {
        // 遍历二级节点的子节点
        let startLeft = node.left + node.width * ctx.childIndent
        let totalTop =
          node.top +
          node.height +
-          (ctx.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+          (ctx.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0) +
+          marginY

        node.children.forEach(item => {
          item.left = startLeft
@@ -149,7 +163,8 @@ export default {
            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
          totalTop +=
            item.height +
-            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0) +
+            marginY
        })
      }
      if (layerIndex > 1 && node.children) {
@@ -157,25 +172,29 @@ export default {
        let startLeft = node.left + node.width * ctx.childIndent
        let totalTop =
          node.top -
-          (ctx.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+          (ctx.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0) -
+          marginY
        node.children.forEach(item => {
          item.left = startLeft
          item.top = totalTop - item.height
          totalTop -=
            item.height +
-            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0) +
+            marginY
        })
      }
    },
    adjustLeftTopValueBefore({ node, ctx, layerIndex }) {
      // 调整top
+      let marginY = ctx.getMarginY(layerIndex + 1)
      let len = node.children.length
      if (layerIndex > 2 && len > 0) {
        let totalHeight = node.children.reduce((h, item) => {
          return (
            h +
            item.height +
-            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0) +
+            marginY
          )
        }, 0)
        ctx.updateBrothersTop(node, -totalHeight)
@@ -185,23 +204,28 @@ export default {
      // 将二级节点的子节点移到上方
      if (parent && parent.isRoot) {
        // 遍历二级节点的子节点
+        let marginY = ctx.getMarginY(node.layerIndex + 1)
        let totalHeight = 0
        let totalHeight2 = node.expandBtnSize
        node.children.forEach(item => {
          // 调整top
          let hasChildren = ctx.getNodeActChildrenLength(item) > 0
          let nodeTotalHeight = ctx.getNodeAreaHeight(item)
-          let offset =
-            hasChildren > 0
-              ? nodeTotalHeight -
-                item.height -
-                (hasChildren ? item.expandBtnSize : 0)
-              : 0
+          let offset = hasChildren
+            ? nodeTotalHeight -
+              item.height -
+              (hasChildren ? item.expandBtnSize : 0)
+            : 0
+          offset -= hasChildren ? marginY : 0
          let _top = totalHeight + offset
          let _left = item.left
          item.top += _top
          // 调整left
-          item.left = node.left + node.width * ctx.indent + (nodeTotalHeight + totalHeight2) / Math.tan(degToRad(ctx.mindMap.opt.fishboneDeg))
+          item.left =
+            node.left +
+            node.width * ctx.indent +
+            (nodeTotalHeight + totalHeight2) /
+              Math.tan(degToRad(ctx.mindMap.opt.fishboneDeg))
          totalHeight += offset
          totalHeight2 += nodeTotalHeight
          // 同步更新后代节点
--- a/simple-mind-map/src/parse/toMarkdown.js
+++ b/simple-mind-map/src/parse/toMarkdown.js
@@ -50,4 +50,4 @@ export const transformToMarkdown = root => {
    true
  )
  return content
-}
+}
--- a/simple-mind-map/src/parse/xmind.js
+++ b/simple-mind-map/src/parse/xmind.js
@@ -4,7 +4,8 @@ import {
  getTextFromHtml,
  imgToDataUrl,
  parseDataUrl,
-  getImageSize
+  getImageSize,
+  isUndef
 } from '../utils/index'

 //  解析.xmind文件
@@ -14,11 +15,13 @@ const parseXmindFile = file => {
      async zip => {
        try {
          let content = ''
-          if (zip.files['content.json']) {
-            let json = await zip.files['content.json'].async('string')
+          let jsonFile = zip.files['content.json']
+          let xmlFile = zip.files['content.xml'] || zip.files['/content.xml']
+          if (jsonFile) {
+            let json = await jsonFile.async('string')
            content = await transformXmind(json, zip.files)
-          } else if (zip.files['content.xml']) {
-            let xml = await zip.files['content.xml'].async('string')
+          } else if (xmlFile) {
+            let xml = await xmlFile.async('string')
            let json = xmlConvert.xml2json(xml)
            content = transformOldXmind(json)
          }
@@ -47,7 +50,7 @@ const transformXmind = async (content, files) => {
  let walk = async (node, newNode) => {
    newNode.data = {
      // 节点内容
-      text: node.title
+      text: isUndef(node.title) ? '' : node.title
    }
    // 节点备注
    if (node.notes) {
@@ -144,9 +147,10 @@ const transformOldXmind = content => {
  let walk = (node, newNode) => {
    let nodeElements = node.elements
    let nodeTitle = getItemByName(nodeElements, 'title')
+    nodeTitle = nodeTitle && nodeTitle.elements && nodeTitle.elements[0].text
    newNode.data = {
      // 节点内容
-      text: nodeTitle && nodeTitle.elements && nodeTitle.elements[0].text
+      text: isUndef(nodeTitle) ? '' : nodeTitle
    }
    try {
      // 节点备注
@@ -187,7 +191,7 @@ const transformOldXmind = content => {
    if (_children && _children.elements && _children.elements.length > 0) {
      _children.elements.forEach(item => {
        if (item.name === 'topics') {
-          item.elements.forEach(item2 => {
+          ;(item.elements || []).forEach(item2 => {
            let newChild = {}
            newNode.children.push(newChild)
            walk(item2, newChild)
@@ -213,6 +217,7 @@ const transformToXmind = async (data, name) => {
  let waitLoadImageList = []
  let walk = async (node, newNode, isRoot) => {
    let newData = {
+      id: node.data.uid,
      structureClass: 'org.xmind.ui.logic.right',
      title: getTextFromHtml(node.data.text), // 节点文本
      children: {
@@ -240,20 +245,20 @@ const transformToXmind = async (data, name) => {
    }
    // 图片
    if (node.data.image) {
+      // 处理异步逻辑
+      let resolve = null
+      let promise = new Promise(_resolve => {
+        resolve = _resolve
+      })
+      waitLoadImageList.push(promise)
      try {
-        // 处理异步逻辑
-        let resolve = null
-        let promise = new Promise(_resolve => {
-          resolve = _resolve
-        })
-        waitLoadImageList.push(promise)
        let imgName = ''
        let imgData = node.data.image
-        // 网络图片要先转换成data:url
-        if (/^https?:\/\//.test(node.data.image)) {
+        // base64之外的其他图片要先转换成data:url
+        if (!/^data:/.test(node.data.image)) {
          imgData = await imgToDataUrl(node.data.image)
        }
-        // 从data:url中解析出图片类型和base64
+        // 从data:url中解析出图片类型和ase64
        let dataUrlRes = parseDataUrl(imgData)
        imgName = 'image_' + imageList.length + '.' + dataUrlRes.type
        imageList.push({
--- a/simple-mind-map/src/plugins/AssociativeLine.js
+++ b/simple-mind-map/src/plugins/AssociativeLine.js
@@ -15,7 +15,7 @@ import associativeLineTextMethods from './associativeLine/associativeLineText'
 class AssociativeLine {
  constructor(opt = {}) {
    this.mindMap = opt.mindMap
-    this.draw = this.mindMap.draw
+    this.associativeLineDraw = this.mindMap.associativeLineDraw
    // 当前所有连接线
    this.lineList = []
    // 当前激活的连接线
@@ -98,14 +98,35 @@ class AssociativeLine {

  // 创建箭头
  createMarker() {
-    return this.draw.marker(20, 20, add => {
-      add.ref(2, 5)
+    return this.associativeLineDraw.marker(20, 20, add => {
+      add.ref(12, 5)
      add.size(10, 10)
      add.attr('orient', 'auto-start-reverse')
      this.markerPath = add.path('M0,0 L2,5 L0,10 L10,5 Z')
    })
  }

+  // 判断关联线坐标是否变更，有变更则使用变化后的坐标，无则默认坐标
+  updateAllLinesPos(node, toNode, associativeLinePoint) {
+    associativeLinePoint = associativeLinePoint || {}
+    let [startPoint, endPoint] = computeNodePoints(node, toNode)
+    let nodeRange = 0
+    let nodeDir = ''
+    let toNodeRange = 0
+    let toNodeDir = ''
+    if (associativeLinePoint.startPoint) {
+      nodeRange = associativeLinePoint.startPoint.range || 0
+      nodeDir = associativeLinePoint.startPoint.dir || 'right'
+      startPoint = getNodePoint(node, nodeDir, nodeRange)
+    }
+    if (associativeLinePoint.endPoint) {
+      toNodeRange = associativeLinePoint.endPoint.range || 0
+      toNodeDir = associativeLinePoint.endPoint.dir || 'right'
+      endPoint = getNodePoint(toNode, toNodeDir, toNodeRange)
+    }
+    return [startPoint, endPoint]
+  }
+
  // 渲染所有连线
  renderAllLines() {
    // 先移除
@@ -121,15 +142,15 @@ class AssociativeLine {
      null,
      cur => {
        if (!cur) return
-        let data = cur.nodeData.data
+        let data = cur.getData()
        if (
          data.associativeLineTargets &&
          data.associativeLineTargets.length > 0
        ) {
          nodeToIds.set(cur, data.associativeLineTargets)
        }
-        if (data.id) {
-          idToNode.set(data.id, cur)
+        if (data.uid) {
+          idToNode.set(data.uid, cur)
        }
      },
      () => {},
@@ -137,10 +158,17 @@ class AssociativeLine {
      0
    )
    nodeToIds.forEach((ids, node) => {
-      ids.forEach(id => {
-        let toNode = idToNode.get(id)
+      ids.forEach((uid, index) => {
+        let toNode = idToNode.get(uid)
        if (!node || !toNode) return
-        let [startPoint, endPoint] = computeNodePoints(node, toNode)
+        const associativeLinePoint = (node.getData('associativeLinePoint') ||
+          [])[index]
+        // 切换结构和布局，都会更新坐标
+        const [startPoint, endPoint] = this.updateAllLinesPos(
+          node,
+          toNode,
+          associativeLinePoint
+        )
        this.drawLine(startPoint, endPoint, node, toNode)
      })
    })
@@ -166,7 +194,7 @@ class AssociativeLine {
      toNode
    )
    // 虚线
-    let path = this.draw.path()
+    let path = this.associativeLineDraw.path()
    path
      .stroke({
        width: associativeLineWidth,
@@ -177,17 +205,39 @@ class AssociativeLine {
    path.plot(pathStr)
    path.marker('end', this.marker)
    // 不可见的点击线
-    let clickPath = this.draw.path()
+    let clickPath = this.associativeLineDraw.path()
    clickPath
      .stroke({ width: associativeLineActiveWidth, color: 'transparent' })
      .fill({ color: 'none' })
    clickPath.plot(pathStr)
    // 文字
-    let text = this.createText({ path, clickPath, node, toNode, startPoint, endPoint, controlPoints })
+    let text = this.createText({
+      path,
+      clickPath,
+      node,
+      toNode,
+      startPoint,
+      endPoint,
+      controlPoints
+    })
    // 点击事件
    clickPath.click(e => {
      e.stopPropagation()
-      this.setActiveLine({ path, clickPath, text, node, toNode, startPoint, endPoint, controlPoints })
+      this.setActiveLine({
+        path,
+        clickPath,
+        text,
+        node,
+        toNode,
+        startPoint,
+        endPoint,
+        controlPoints
+      })
+    })
+    // 双击进入关联线文本编辑状态
+    clickPath.dblclick(() => {
+      if (!this.activeLine) return
+      this.showEditTextBox(text)
    })
    // 渲染关联线文字
    this.renderText(this.getText(node, toNode), path, text)
@@ -195,33 +245,38 @@ class AssociativeLine {
  }

  // 激活某根关联线
-  setActiveLine({ path, clickPath, text, node, toNode, startPoint, endPoint, controlPoints }) {
-    let {
-      associativeLineActiveColor
-    } = this.mindMap.themeConfig
+  setActiveLine({
+    path,
+    clickPath,
+    text,
+    node,
+    toNode,
+    startPoint,
+    endPoint,
+    controlPoints
+  }) {
+    let { associativeLineActiveColor } = this.mindMap.themeConfig
    // 如果当前存在激活节点，那么取消激活节点
-    if (this.mindMap.renderer.activeNodeList.length > 0) {
-      this.clearActiveNodes()
-    } else {
-      // 否则清除当前的关联线的激活状态，如果有的话
-      this.clearActiveLine()
-      // 保存当前激活的关联线信息
-      this.activeLine = [path, clickPath, text, node, toNode]
-      // 让不可见的点击线显示
-      clickPath.stroke({ color: associativeLineActiveColor })
-      // 如果没有输入过关联线文字，那么显示默认文字
-      if (!this.getText(node, toNode)) {
-        this.renderText(this.mindMap.opt.defaultAssociativeLineText, path, text)
-      }
-      // 渲染控制点和连线
-      this.renderControls(
-        startPoint,
-        endPoint,
-        controlPoints[0],
-        controlPoints[1]
-      )
-      this.mindMap.emit('associative_line_click', path, clickPath, node, toNode)
+    this.mindMap.execCommand('CLEAR_ACTIVE_NODE')
+    // 否则清除当前的关联线的激活状态，如果有的话
+    this.clearActiveLine()
+    // 保存当前激活的关联线信息
+    this.activeLine = [path, clickPath, text, node, toNode]
+    // 让不可见的点击线显示
+    clickPath.stroke({ color: associativeLineActiveColor })
+    // 如果没有输入过关联线文字，那么显示默认文字
+    if (!this.getText(node, toNode)) {
+      this.renderText(this.mindMap.opt.defaultAssociativeLineText, path, text)
    }
+    // 渲染控制点和连线
+    this.renderControls(
+      startPoint,
+      endPoint,
+      controlPoints[0],
+      controlPoints[1]
+    )
+    this.mindMap.emit('associative_line_click', path, clickPath, node, toNode)
+    this.front()
  }

  // 移除所有连接线
@@ -246,9 +301,10 @@ class AssociativeLine {
    let { associativeLineWidth, associativeLineColor } =
      this.mindMap.themeConfig
    if (this.isCreatingLine || !fromNode) return
+    this.front()
    this.isCreatingLine = true
    this.creatingStartNode = fromNode
-    this.creatingLine = this.draw.path()
+    this.creatingLine = this.associativeLineDraw.path()
    this.creatingLine
      .stroke({
        width: associativeLineWidth,
@@ -287,14 +343,31 @@ class AssociativeLine {
    }
  }

+  // 计算节点偏移位置
+  getNodePos(node) {
+    const { scaleX, scaleY, translateX, translateY } =
+      this.mindMap.draw.transform()
+    const { left, top, width, height } = node
+    let translateLeft = left * scaleX + translateX
+    let translateTop = top * scaleY + translateY
+    return {
+      left,
+      top,
+      translateLeft,
+      translateTop,
+      width,
+      height
+    }
+  }
+
  // 检测当前移动到的目标节点
  checkOverlapNode(x, y) {
    this.overlapNode = null
    bfsWalk(this.mindMap.renderer.root, node => {
-      if (node.nodeData.data.isActive) {
-        this.mindMap.renderer.setNodeActive(node, false)
+      if (node.getData('isActive')) {
+        this.mindMap.execCommand('SET_NODE_ACTIVE', node, false)
      }
-      if (node === this.creatingStartNode || this.overlapNode) {
+      if (node.uid === this.creatingStartNode.uid || this.overlapNode) {
        return
      }
      let { left, top, width, height } = node
@@ -304,39 +377,45 @@ class AssociativeLine {
        this.overlapNode = node
      }
    })
-    if (this.overlapNode && !this.overlapNode.nodeData.data.isActive) {
-      this.mindMap.renderer.setNodeActive(this.overlapNode, true)
+    if (this.overlapNode && !this.overlapNode.getData('isActive')) {
+      this.mindMap.execCommand('SET_NODE_ACTIVE', this.overlapNode, true)
    }
  }

  // 完成创建连接线
  completeCreateLine(node) {
-    if (this.creatingStartNode === node) return
+    if (this.creatingStartNode.uid === node.uid) return
    this.addLine(this.creatingStartNode, node)
-    if (this.overlapNode && this.overlapNode.nodeData.data.isActive) {
-      this.mindMap.renderer.setNodeActive(this.overlapNode, false)
+    if (this.overlapNode && this.overlapNode.getData('isActive')) {
+      this.mindMap.execCommand('SET_NODE_ACTIVE', this.overlapNode, false)
    }
    this.isCreatingLine = false
    this.creatingStartNode = null
    this.creatingLine.remove()
    this.creatingLine = null
    this.overlapNode = null
+    this.back()
  }

  // 添加连接线
  addLine(fromNode, toNode) {
    if (!fromNode || !toNode) return
    // 目标节点如果没有id，则生成一个id
-    let id = toNode.nodeData.data.id
-    if (!id) {
-      id = uuid()
+    let uid = toNode.getData('uid')
+    if (!uid) {
+      uid = uuid()
      this.mindMap.execCommand('SET_NODE_DATA', toNode, {
-        id
+        uid
      })
    }
    // 将目标节点id保存起来
-    let list = fromNode.nodeData.data.associativeLineTargets || []
-    list.push(id)
+    let list = fromNode.getData('associativeLineTargets') || []
+    // 连线节点是否存在相同的id,存在则阻止添加关联线
+    const sameLine = list.some(item => item === uid)
+    if (sameLine) {
+      return
+    }
+    list.push(uid)
    // 保存控制点
    let [startPoint, endPoint] = computeNodePoints(fromNode, toNode)
    let controlPoints = computeCubicBezierPathPoints(
@@ -346,7 +425,7 @@ class AssociativeLine {
      endPoint.y
    )
    let offsetList =
-      fromNode.nodeData.data.associativeLineTargetControlOffsets || []
+      fromNode.getData('associativeLineTargetControlOffsets') || []
    // 保存的实际是控制点和端点的差值，否则当节点位置改变了，控制点还是原来的位置，连线就不对了
    offsetList[list.length - 1] = [
      {
@@ -358,9 +437,13 @@ class AssociativeLine {
        y: controlPoints[1].y - endPoint.y
      }
    ]
+    let associativeLinePoint = fromNode.getData('associativeLinePoint') || []
+    // 记录关联的起始|结束坐标
+    associativeLinePoint[list.length - 1] = { startPoint, endPoint }
    this.mindMap.execCommand('SET_NODE_DATA', fromNode, {
      associativeLineTargets: list,
-      associativeLineTargetControlOffsets: offsetList
+      associativeLineTargetControlOffsets: offsetList,
+      associativeLinePoint
    })
  }

@@ -369,14 +452,19 @@ class AssociativeLine {
    if (!this.activeLine) return
    let [, , , node, toNode] = this.activeLine
    this.removeControls()
-    let { associativeLineTargets, associativeLineTargetControlOffsets, associativeLineText } =
-      node.nodeData.data
+    let {
+      associativeLineTargets,
+      associativeLinePoint,
+      associativeLineTargetControlOffsets,
+      associativeLineText
+    } = node.getData()
+    associativeLinePoint = associativeLinePoint || []
    let targetIndex = getAssociativeLineTargetIndex(node, toNode)
    // 更新关联线文本数据
    let newAssociativeLineText = {}
    if (associativeLineText) {
-      Object.keys(associativeLineText).forEach((item) => {
-        if (item !== toNode.nodeData.data.id) {
+      Object.keys(associativeLineText).forEach(item => {
+        if (item !== toNode.getData('uid')) {
          newAssociativeLineText[item] = associativeLineText[item]
        }
      })
@@ -386,6 +474,10 @@ class AssociativeLine {
      associativeLineTargets: associativeLineTargets.filter((_, index) => {
        return index !== targetIndex
      }),
+      // 连接线坐标
+      associativeLinePoint: associativeLinePoint.filter((_, index) => {
+        return index !== targetIndex
+      }),
      // 偏移量
      associativeLineTargetControlOffsets: associativeLineTargetControlOffsets
        ? associativeLineTargetControlOffsets.filter((_, index) => {
@@ -397,13 +489,6 @@ class AssociativeLine {
    })
  }

-  // 清除当前激活的节点
-  clearActiveNodes() {
-    if (this.mindMap.renderer.activeNodeList.length > 0) {
-      this.mindMap.execCommand('CLEAR_ACTIVE_NODE')
-    }
-  }
-
  // 清除激活的线
  clearActiveLine() {
    if (this.activeLine) {
@@ -419,6 +504,7 @@ class AssociativeLine {
      }
      this.activeLine = null
      this.removeControls()
+      this.back()
    }
  }

@@ -445,6 +531,19 @@ class AssociativeLine {
    this.showControls()
    this.isNodeDragging = false
  }
+
+  // 关联线顶层显示
+  front() {
+    if (this.mindMap.opt.associativeLineIsAlwaysAboveNode) return
+    this.associativeLineDraw.front()
+  }
+
+  // 关联线回到原有层级
+  back() {
+    if (this.mindMap.opt.associativeLineIsAlwaysAboveNode) return
+    this.associativeLineDraw.back() // 最底层
+    this.associativeLineDraw.forward() // 连线层上面
+  }
 }

 AssociativeLine.instanceName = 'associativeLine'
--- a/simple-mind-map/src/plugins/Cooperate.js
+++ b/simple-mind-map/src/plugins/Cooperate.js
@@ -0,0 +1,345 @@
+import * as Y from 'yjs'
+import { WebrtcProvider } from 'y-webrtc'
+import { isSameObject, simpleDeepClone, getType, isUndef } from '../utils/index'
+
+// 协同插件
+class Cooperate {
+  constructor(opt) {
+    this.opt = opt
+    this.mindMap = opt.mindMap
+    // yjs文档
+    this.ydoc = new Y.Doc()
+    // 共享数据
+    this.ymap = null
+    // 连接提供者
+    this.provider = null
+    // 感知数据
+    this.awareness = null
+    this.currentAwarenessData = []
+    this.waitNodeUidMap = {} // 该列表中的uid对应的节点还未渲染完毕
+    // 当前的平级对象类型的思维导图数据
+    this.currentData = null
+    // 用户信息
+    this.userInfo = null
+    // 绑定事件
+    this.bindEvent()
+    // 处理实例化时传入的思维导图数据
+    if (this.mindMap.opt.data) {
+      this.initData(this.mindMap.opt.data)
+    }
+  }
+
+  // 初始化数据
+  initData(data) {
+    data = simpleDeepClone(data)
+    // 解绑原来的数据
+    if (this.ymap) {
+      this.ymap.unobserve(this.onObserve)
+    }
+    // 创建共享数据
+    this.ymap = this.ydoc.getMap()
+    // 思维导图树结构转平级对象结构
+    this.currentData = this.transformTreeDataToObject(data)
+    // 将思维导图数据添加到共享数据中
+    Object.keys(this.currentData).forEach(uid => {
+      this.ymap.set(uid, this.currentData[uid])
+    })
+    // 监听数据同步
+    this.onObserve = this.onObserve.bind(this)
+    this.ymap.observe(this.onObserve)
+  }
+
+  // 获取yjs doc实例
+  getDoc() {
+    return this.ydoc
+  }
+
+  // 设置连接提供者
+  setProvider(provider, webrtcProviderConfig = {}) {
+    const { roomName, signalingList, ...otherConfig } = webrtcProviderConfig
+    this.provider =
+      provider ||
+      new WebrtcProvider(roomName, this.ydoc, {
+        signaling: signalingList,
+        ...otherConfig
+      })
+    this.awareness = this.provider.awareness
+
+    // 监听状态同步事件
+    this.onAwareness = this.onAwareness.bind(this)
+    this.awareness.on('change', this.onAwareness)
+  }
+
+  // 绑定事件
+  bindEvent() {
+    // 监听思维导图改变
+    this.onDataChange = this.onDataChange.bind(this)
+    this.mindMap.on('data_change', this.onDataChange)
+
+    // 监听思维导图节点激活事件
+    this.onNodeActive = this.onNodeActive.bind(this)
+    this.mindMap.on('node_active', this.onNodeActive)
+
+    // 监听思维导图渲染完毕事件
+    this.onNodeTreeRenderEnd = this.onNodeTreeRenderEnd.bind(this)
+    this.mindMap.on('node_tree_render_end', this.onNodeTreeRenderEnd)
+
+    // 监听设置思维导图数据事件
+    this.initData = this.initData.bind(this)
+    this.mindMap.on('set_data', this.initData)
+  }
+
+  // 解绑事件
+  unBindEvent() {
+    if (this.ymap) {
+      this.ymap.unobserve(this.onObserve)
+    }
+    this.mindMap.off('data_change', this.onDataChange)
+    this.mindMap.off('node_active', this.onNodeActive)
+    this.mindMap.off('node_tree_render_end', this.onNodeTreeRenderEnd)
+    this.mindMap.off('set_data', this.initData)
+    this.ydoc.destroy()
+  }
+
+  // 数据同步时的处理，更新当前思维导图
+  onObserve(event) {
+    const data = event.target.toJSON()
+    // 如果数据没有改变直接返回
+    if (isSameObject(data, this.currentData)) return
+    this.currentData = data
+    // 平级对象转树结构
+    const res = this.transformObjectToTreeData(data)
+    if (!res) return
+    // 更新思维导图画布
+    this.mindMap.renderer.setData(res)
+    this.mindMap.render()
+    this.mindMap.command.addHistory()
+  }
+
+  // 当前思维导图改变后的处理，触发同步
+  onDataChange(data) {
+    const res = this.transformTreeDataToObject(data)
+    this.updateChanges(res)
+  }
+
+  // 找出更新点
+  updateChanges(data) {
+    const oldData = this.currentData
+    this.currentData = data
+    this.ydoc.transact(() => {
+      // 找出新增的或修改的
+      Object.keys(data).forEach(uid => {
+        // 新增的或已经存在的，如果数据发生了改变
+        if (!oldData[uid] || !isSameObject(oldData[uid], data[uid])) {
+          this.ymap.set(uid, data[uid])
+        }
+      })
+      // 找出删除的
+      Object.keys(oldData).forEach(uid => {
+        if (!data[uid]) {
+          this.ymap.delete(uid)
+        }
+      })
+    })
+  }
+
+  // 节点激活状态改变后触发感知数据同步
+  onNodeActive(node, nodeList) {
+    if (this.userInfo) {
+      this.awareness.setLocalStateField(this.userInfo.name, {
+        // 用户信息
+        userInfo: {
+          ...this.userInfo
+        },
+        // 当前激活的节点id列表
+        nodeIdList: nodeList.map(item => {
+          return item.uid
+        })
+      })
+    }
+  }
+
+  // 节点树渲染完毕事件
+  onNodeTreeRenderEnd() {
+    Object.keys(this.waitNodeUidMap).forEach(uid => {
+      const node = this.mindMap.renderer.findNodeByUid(uid)
+      if (node) {
+        node.addUser(this.waitNodeUidMap[uid])
+      }
+    })
+    this.waitNodeUidMap = {}
+  }
+
+  // 设置用户信息
+  /**
+   * {
+   *    id: '',     // 必传，用户唯一的id
+   *    name: '',   // 用户名称。name和avatar两个只传一个即可，如果都传了，会显示avatar
+   *    avatar: '', // 用户头像
+   *    color: ''   // 如果没有传头像，那么会以一个圆形来显示名称的第一个字，文字的颜色为白色，圆的颜色可以通过该字段设置
+   * }
+   **/
+  setUserInfo(userInfo) {
+    if (
+      getType(userInfo) !== 'Object' ||
+      isUndef(userInfo.id) ||
+      (isUndef(userInfo.name) && isUndef(userInfo.avatar))
+    )
+      return
+    this.userInfo = userInfo || null
+  }
+
+  // 监听感知数据同步事件
+  onAwareness() {
+    const walk = (list, callback) => {
+      list.forEach(value => {
+        const userName = Object.keys(value)[0]
+        if (!userName) return
+        const data = value[userName]
+        const userInfo = data.userInfo
+        const nodeIdList = data.nodeIdList
+        nodeIdList.forEach(uid => {
+          const node = this.mindMap.renderer.findNodeByUid(uid)
+          callback(uid, node, userInfo)
+        })
+      })
+    }
+    // 清除之前的数据
+    walk(this.currentAwarenessData, (uid, node, userInfo) => {
+      if (node) {
+        node.removeUser(userInfo)
+      }
+    })
+    // 设置当前数据
+    const data = Array.from(this.awareness.getStates().values())
+    this.currentAwarenessData = data
+    walk(data, (uid, node, userInfo) => {
+      // 不显示自己
+      if (userInfo.id === this.userInfo.id) return
+      if (node) {
+        node.addUser(userInfo)
+      } else {
+        this.waitNodeUidMap[uid] = userInfo
+      }
+    })
+  }
+
+  // 将树结构转平级对象
+  /*
+    {
+        data: {
+            uid: 'xxx'
+        },
+        children: [
+            {
+                data: {
+                    uid: 'xxx'
+                },
+                children: []
+            }
+        ]
+    }
+    转为：
+    {
+        uid: {
+            children: [uid1, uid2],
+            data: {}
+        }
+    }
+  */
+  transformTreeDataToObject(data) {
+    const res = {}
+    const walk = (root, parent) => {
+      const uid = root.data.uid
+      if (parent) {
+        parent.children.push(uid)
+      }
+      res[uid] = {
+        isRoot: !parent,
+        data: {
+          ...root.data
+        },
+        children: []
+      }
+      if (root.children && root.children.length > 0) {
+        root.children.forEach(item => {
+          walk(item, res[uid])
+        })
+      }
+    }
+    walk(data, null)
+    return res
+  }
+
+  // 找到父节点的uid
+  findParentUid(data, targetUid) {
+    const uids = Object.keys(data)
+    let res = ''
+    uids.forEach(uid => {
+      const children = data[uid].children
+      const isParent =
+        children.findIndex(childUid => {
+          return childUid === targetUid
+        }) !== -1
+      if (isParent) {
+        res = uid
+      }
+    })
+    return res
+  }
+
+  // 将平级对象转树结构
+  transformObjectToTreeData(data) {
+    const uids = Object.keys(data)
+    if (uids.length <= 0) return null
+    const rootKey = uids.find(uid => {
+      return data[uid].isRoot
+    })
+    if (!rootKey || !data[rootKey]) return null
+    // 根节点
+    const res = {
+      data: simpleDeepClone(data[rootKey].data),
+      children: []
+    }
+    const map = {}
+    map[rootKey] = res
+    uids.forEach(uid => {
+      const parentUid = this.findParentUid(data, uid)
+      const cur = data[uid]
+      const node = map[uid] || {
+        data: simpleDeepClone(cur.data),
+        children: []
+      }
+      if (!map[uid]) {
+        map[uid] = node
+      }
+      if (parentUid) {
+        const index = data[parentUid].children.findIndex(item => {
+          return item === uid
+        })
+        if (!map[parentUid]) {
+          map[parentUid] = {
+            data: simpleDeepClone(data[parentUid].data),
+            children: []
+          }
+        }
+        map[parentUid].children[index] = node
+      }
+    })
+    return res
+  }
+
+  // 插件被移除前做的事情
+  beforePluginRemove() {
+    this.unBindEvent()
+  }
+
+  // 插件被卸载前做的事情
+  beforePluginDestroy() {
+    this.unBindEvent()
+  }
+}
+
+Cooperate.instanceName = 'cooperate'
+
+export default Cooperate
--- a/simple-mind-map/src/plugins/Drag.js
+++ b/simple-mind-map/src/plugins/Drag.js
@@ -1,4 +1,4 @@
-import { bfsWalk, throttle } from '../utils'
+import { bfsWalk, throttle, getTopAncestorsFomNodeList, getNodeIndexInNodeList } from '../utils'
 import Base from '../layouts/Base'

 // 节点拖动插件
@@ -13,8 +13,14 @@ class Drag extends Base {

  //  复位
  reset() {
-    // 当前拖拽节点
-    this.node = null
+    // 是否正在跳转中
+    this.isDragging = false
+    // 鼠标按下的节点
+    this.mousedownNode = null
+    // 被拖拽中的节点列表
+    this.beingDragNodeList = []
+    // 当前画布节点列表
+    this.nodeList = []
    // 当前重叠节点
    this.overlapNode = null
    // 当前上一个同级节点
@@ -25,16 +31,11 @@ class Drag extends Base {
    this.drawTransform = null
    // 克隆节点
    this.clone = null
-    // 连接线
-    this.line = null
    // 同级位置占位符
    this.placeholder = null
    // 鼠标按下位置和节点左上角的偏移量
    this.offsetX = 0
    this.offsetY = 0
-    // 克隆节点左上角的坐标
-    this.cloneNodeLeft = 0
-    this.cloneNodeTop = 0
    // 当前鼠标是否按下
    this.isMousedown = false
    // 拖拽的鼠标位置变量
@@ -51,45 +52,43 @@ class Drag extends Base {
  bindEvent() {
    this.checkOverlapNode = throttle(this.checkOverlapNode, 300, this)
    this.mindMap.on('node_mousedown', (node, e) => {
-      if (this.mindMap.opt.readonly || node.isGeneralization) {
-        return
-      }
-      if (e.which !== 1 || node.isRoot) {
+      // 只读模式、不是鼠标左键按下、按下的是概要节点或根节点直接返回
+      if (
+        this.mindMap.opt.readonly ||
+        e.which !== 1 ||
+        node.isGeneralization ||
+        node.isRoot
+      ) {
        return
      }
      e.preventDefault()
-      // 计算鼠标按下的位置距离节点左上角的距离
-      this.drawTransform = this.mindMap.draw.transform()
-      let { scaleX, scaleY, translateX, translateY } = this.drawTransform
-      let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
-      this.offsetX = x - (node.left * scaleX + translateX)
-      this.offsetY = y - (node.top * scaleY + translateY)
-      this.node = node
      this.isMousedown = true
+      // 记录鼠标按下时的节点
+      this.mousedownNode = node
+      // 记录鼠标按下的坐标
+      const { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
      this.mouseDownX = x
      this.mouseDownY = y
    })
    this.mindMap.on('mousemove', e => {
-      if (this.mindMap.opt.readonly) {
+      if (this.mindMap.opt.readonly || !this.isMousedown) {
        return
      }
-      if (!this.isMousedown) {
-        return
-      }
-      this.mindMap.emit('node_dragging', this.node)
      e.preventDefault()
-      let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
+      const { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
      this.mouseMoveX = x
      this.mouseMoveY = y
+      // 还没开始移动时鼠标位移过小不认为是拖拽
      if (
+        !this.isDragging &&
        Math.abs(x - this.mouseDownX) <= this.checkDragOffset &&
-        Math.abs(y - this.mouseDownY) <= this.checkDragOffset &&
-        !this.node.isDrag
+        Math.abs(y - this.mouseDownY) <= this.checkDragOffset
      ) {
        return
      }
-      this.mindMap.renderer.clearAllActive()
-      this.onMove(x, y)
+      this.mindMap.emit('node_dragging')
+      this.handleStartMove()
+      this.onMove(x, y, e)
    })
    this.onMouseup = this.onMouseup.bind(this)
    this.mindMap.on('node_mouseup', this.onMouseup)
@@ -102,27 +101,48 @@ class Drag extends Base {
      return
    }
    this.isMousedown = false
-    let _nodeIsDrag = this.node.isDrag
-    this.node.isDrag = false
-    this.node.show()
+    // 恢复被拖拽节点的临时设置
+    this.beingDragNodeList.forEach(node => {
+      node.setOpacity(1)
+      node.showChildren()
+      node.endDrag()
+    })
    this.removeCloneNode()
-    let overlapNodeUid = this.overlapNode ? this.overlapNode.nodeData.data.uid : ''
-    let prevNodeUid = this.prevNode ? this.prevNode.nodeData.data.uid : ''
-    let nextNodeUid = this.nextNode ? this.nextNode.nodeData.data.uid : ''
+    let overlapNodeUid = this.overlapNode
+      ? this.overlapNode.getData('uid')
+      : ''
+    let prevNodeUid = this.prevNode ? this.prevNode.getData('uid') : ''
+    let nextNodeUid = this.nextNode ? this.nextNode.getData('uid') : ''
    // 存在重叠子节点，则移动作为其子节点
    if (this.overlapNode) {
-      this.mindMap.renderer.setNodeActive(this.overlapNode, false)
-      this.mindMap.execCommand('MOVE_NODE_TO', this.node, this.overlapNode)
+      this.mindMap.execCommand('SET_NODE_ACTIVE', this.overlapNode, false)
+      this.mindMap.execCommand(
+        'MOVE_NODE_TO',
+        this.beingDragNodeList,
+        this.overlapNode
+      )
    } else if (this.prevNode) {
      // 存在前一个相邻节点，作为其下一个兄弟节点
-      this.mindMap.renderer.setNodeActive(this.prevNode, false)
-      this.mindMap.execCommand('INSERT_AFTER', this.node, this.prevNode)
+      this.mindMap.execCommand('SET_NODE_ACTIVE', this.prevNode, false)
+      this.mindMap.execCommand(
+        'INSERT_AFTER',
+        this.beingDragNodeList,
+        this.prevNode
+      )
    } else if (this.nextNode) {
      // 存在下一个相邻节点，作为其前一个兄弟节点
-      this.mindMap.renderer.setNodeActive(this.nextNode, false)
-      this.mindMap.execCommand('INSERT_BEFORE', this.node, this.nextNode)
-    } else if (_nodeIsDrag && this.mindMap.opt.enableFreeDrag) {
-      // 自定义位置
+      this.mindMap.execCommand('SET_NODE_ACTIVE', this.nextNode, false)
+      this.mindMap.execCommand(
+        'INSERT_BEFORE',
+        this.beingDragNodeList,
+        this.nextNode
+      )
+    } else if (
+      this.clone &&
+      this.mindMap.opt.enableFreeDrag &&
+      this.beingDragNodeList.length === 1
+    ) {
+      // 如果只拖拽了一个节点，那么设置自定义位置
      let { x, y } = this.mindMap.toPos(
        e.clientX - this.offsetX,
        e.clientY - this.offsetY
@@ -130,11 +150,16 @@ class Drag extends Base {
      let { scaleX, scaleY, translateX, translateY } = this.drawTransform
      x = (x - translateX) / scaleX
      y = (y - translateY) / scaleY
-      this.node.left = x
-      this.node.top = y
-      this.node.customLeft = x
-      this.node.customTop = y
-      this.mindMap.execCommand('SET_NODE_CUSTOM_POSITION', this.node, x, y)
+      this.mousedownNode.left = x
+      this.mousedownNode.top = y
+      this.mousedownNode.customLeft = x
+      this.mousedownNode.customTop = y
+      this.mindMap.execCommand(
+        'SET_NODE_CUSTOM_POSITION',
+        this.mousedownNode,
+        x,
+        y
+      )
      this.mindMap.render()
    }
    this.reset()
@@ -145,24 +170,131 @@ class Drag extends Base {
    })
  }

+  //  拖动中
+  onMove(x, y, e) {
+    if (!this.isMousedown) {
+      return
+    }
+    // 更新克隆节点的位置
+    let { scaleX, scaleY, translateX, translateY } = this.drawTransform
+    let cloneNodeLeft = x - this.offsetX
+    let cloneNodeTop = y - this.offsetY
+    x = (cloneNodeLeft - translateX) / scaleX
+    y = (cloneNodeTop - translateY) / scaleY
+    let t = this.clone.transform()
+    this.clone.translate(x - t.translateX, y - t.translateY)
+    // 检测新位置
+    this.checkOverlapNode()
+    // 如果注册了多选节点插件，那么复用它的边缘自动移动画布功能
+    if (this.mindMap.opt.autoMoveWhenMouseInEdgeOnDrag && this.mindMap.select) {
+      this.drawTransform = this.mindMap.draw.transform()
+      this.mindMap.select.clearAutoMoveTimer()
+      this.mindMap.select.onMove(e.clientX, e.clientY)
+    }
+  }
+
+  // 开始拖拽时初始化一些数据
+  handleStartMove() {
+    if (!this.isDragging) {
+      this.isDragging = true
+      // 鼠标按下的节点
+      let node = this.mousedownNode
+      // 计算鼠标按下的位置距离节点左上角的距离
+      this.drawTransform = this.mindMap.draw.transform()
+      let { scaleX, scaleY, translateX, translateY } = this.drawTransform
+      this.offsetX = this.mouseDownX - (node.left * scaleX + translateX)
+      this.offsetY = this.mouseDownY - (node.top * scaleY + translateY)
+      // 如果鼠标按下的节点是激活节点，那么保存当前所有激活的节点
+      if (node.getData('isActive')) {
+        // 找出这些激活节点中的最顶层节点
+        this.beingDragNodeList = getTopAncestorsFomNodeList(
+          // 过滤掉根节点和概要节点
+          this.mindMap.renderer.activeNodeList.filter(item => {
+            return !item.isRoot && !item.isGeneralization
+          })
+        )
+      } else {
+        // 否则只拖拽按下的节点
+        this.beingDragNodeList = [node]
+      }
+      // 将节点树转为节点数组
+      this.nodeTreeToList()
+      // 创建克隆节点
+      this.createCloneNode()
+      // 清除当前所有激活的节点
+      this.mindMap.execCommand('CLEAR_ACTIVE_NODE')
+    }
+  }
+
+  // 节点由树转换成数组，从子节点到根节点
+  nodeTreeToList() {
+    const list = []
+    bfsWalk(this.mindMap.renderer.root, node => {
+      // 过滤掉当前被拖拽的节点
+      if (this.checkIsInBeingDragNodeList(node)) {
+        return
+      }
+      if (!list[node.layerIndex]) {
+        list[node.layerIndex] = []
+      }
+      list[node.layerIndex].push(node)
+    })
+    this.nodeList = list.reduceRight((res, cur) => {
+      return [...res, ...cur]
+    }, [])
+  }
+
  //  创建克隆节点
  createCloneNode() {
    if (!this.clone) {
-      // 节点
-      this.clone = this.node.group.clone()
-      this.clone.opacity(0.5)
+      const {
+        dragMultiNodeRectConfig,
+        dragPlaceholderRectFill,
+        dragOpacityConfig
+      } = this.mindMap.opt
+      const {
+        width: rectWidth,
+        height: rectHeight,
+        fill: rectFill
+      } = dragMultiNodeRectConfig
+      const node = this.beingDragNodeList[0]
+      const lineColor = node.style.merge('lineColor', true)
+      // 如果当前被拖拽的节点数量大于1，那么创建一个矩形示意
+      if (this.beingDragNodeList.length > 1) {
+        this.clone = this.mindMap.otherDraw
+          .rect()
+          .size(rectWidth, rectHeight)
+          .radius(rectHeight / 2)
+          .fill({
+            color: rectFill || lineColor
+          })
+        this.offsetX = rectWidth / 2
+        this.offsetY = rectHeight / 2
+      } else {
+        // 否则克隆当前的节点
+        this.clone = node.group.clone()
+        // 删除展开收起按钮元素
+        const expandEl = this.clone.findOne('.smm-expand-btn')
+        if (expandEl) {
+          expandEl.remove()
+        }
+        this.mindMap.otherDraw.add(this.clone)
+      }
+      this.clone.opacity(dragOpacityConfig.cloneNodeOpacity)
      this.clone.css('z-index', 99999)
-      this.node.isDrag = true
-      this.node.hide()
-      // 连接线
-      this.line = this.draw.path()
-      this.line.opacity(0.5)
-      this.node.styleLine(this.line, this.node)
-      // 同级位置占位符
-      this.placeholder = this.draw.rect().fill({
-        color: this.node.style.merge('lineColor', true)
+      // 同级位置提示元素
+      this.placeholder = this.mindMap.otherDraw.rect().fill({
+        color: dragPlaceholderRectFill || lineColor
+      })
+      // 当前被拖拽的节点的临时设置
+      this.beingDragNodeList.forEach(node => {
+        // 降低透明度
+        node.setOpacity(dragOpacityConfig.beingDragNodeOpacity)
+        // 隐藏连线及下级节点
+        node.hideChildren()
+        // 设置拖拽状态
+        node.startDrag()
      })
-      this.mindMap.draw.add(this.clone)
    }
  }

@@ -172,132 +304,350 @@ class Drag extends Base {
      return
    }
    this.clone.remove()
-    this.line.remove()
    this.placeholder.remove()
  }

-  //  拖动中
-  onMove(x, y) {
-    if (!this.isMousedown) {
-      return
-    }
-    this.createCloneNode()
-    let { scaleX, scaleY, translateX, translateY } = this.drawTransform
-    this.cloneNodeLeft = x - this.offsetX
-    this.cloneNodeTop = y - this.offsetY
-    x = (this.cloneNodeLeft - translateX) / scaleX
-    y = (this.cloneNodeTop - translateY) / scaleY
-    let t = this.clone.transform()
-    this.clone.translate(x - t.translateX, y - t.translateY)
-    // 连接线
-    let parent = this.node.parent
-    this.line.plot(
-      this.quadraticCurvePath(
-        parent.left + parent.width / 2,
-        parent.top + parent.height / 2,
-        x + this.node.width / 2,
-        y + this.node.height / 2
-      )
-    )
-    this.checkOverlapNode()
-  }
-
  //  检测重叠节点
  checkOverlapNode() {
    if (!this.drawTransform || !this.placeholder) {
      return
    }
-    const { nodeDragPlaceholderMaxSize } = this.mindMap.opt 
-    let x = this.mouseMoveX
-    let y = this.mouseMoveY
    this.overlapNode = null
    this.prevNode = null
    this.nextNode = null
    this.placeholder.size(0, 0)
-    bfsWalk(this.mindMap.renderer.root, node => {
-      if (node.nodeData.data.isActive) {
-        this.mindMap.renderer.setNodeActive(node, false)
-      }
-      if (node === this.node || this.node.isParent(node)) {
-        return
+    this.nodeList.forEach(node => {
+      if (node.getData('isActive')) {
+        this.mindMap.execCommand('SET_NODE_ACTIVE', node, false)
      }
      if (this.overlapNode || (this.prevNode && this.nextNode)) {
        return
      }
-      let nodeRect = this.getNodeRect(node)
-      let oneFourthHeight = nodeRect.height / 4
-      // 前一个和后一个节点
-      let checkList = node.parent ? node.parent.children.filter((item) => {
-        return item !== this.node
-      }) : []
-      let index = checkList.findIndex((item) => {
-        return item === node
-      })
-      let prevBrother = null
-      let nextBrother = null
-      if (index !== -1) {
-        if (index - 1 >= 0) {
-          prevBrother = checkList[index - 1]
-        }
-        if (index + 1 <= checkList.length - 1) {
-          nextBrother = checkList[index + 1]
-        }
-      }
-      // 和前一个兄弟节点的距离
-      let prevBrotherOffset = 0
-      if (prevBrother) {
-        let prevNodeRect = this.getNodeRect(prevBrother)  
-        prevBrotherOffset = nodeRect.top - prevNodeRect.bottom
-        // 间距小于10就当它不存在
-        prevBrotherOffset = prevBrotherOffset >= this.minOffset ? prevBrotherOffset / 2 : 0
-      } else {
-        // 没有前一个兄弟节点，那么假设和前一个节点的距离为20
-        prevBrotherOffset = this.minOffset
-      }
-      // 和后一个兄弟节点的距离
-      let nextBrotherOffset = 0
-      if (nextBrother) {
-        let nextNodeRect = this.getNodeRect(nextBrother)
-        nextBrotherOffset = nextNodeRect.top - nodeRect.bottom
-        nextBrotherOffset = nextBrotherOffset >= this.minOffset ? nextBrotherOffset / 2 : 0
-      } else {
-        nextBrotherOffset = this.minOffset
-      }
-      if (nodeRect.left <= x && nodeRect.right >= x) {
-        // 检测兄弟节点位置
-        if (!this.overlapNode && !this.prevNode && !this.nextNode && !node.isRoot) {
-          let checkIsPrevNode = nextBrotherOffset > 0 ? // 距离下一个兄弟节点的距离大于0
-            y > nodeRect.bottom && y <= (nodeRect.bottom + nextBrotherOffset) : // 那么在当前节点外底部判断
-            y >= nodeRect.bottom - oneFourthHeight && y <= nodeRect.bottom // 否则在当前节点内底部1/4区间判断
-          let checkIsNextNode = prevBrotherOffset > 0 ? // 距离上一个兄弟节点的距离大于0
-            y < nodeRect.top && y >= (nodeRect.top - prevBrotherOffset) : // 那么在当前节点外底部判断
-            y >= nodeRect.top && y <= nodeRect.top + oneFourthHeight
-          if (checkIsPrevNode) {
-            this.prevNode = node
-            let size = nextBrotherOffset > 0 ? Math.min(nextBrotherOffset, nodeDragPlaceholderMaxSize) : 5
-            this.placeholder.size(node.width, size).move(nodeRect.originLeft, nodeRect.originBottom)
-          } else if (checkIsNextNode) {
-            this.nextNode = node
-            let size = prevBrotherOffset > 0 ? Math.min(prevBrotherOffset, nodeDragPlaceholderMaxSize) : 5
-            this.placeholder.size(node.width, size).move(nodeRect.originLeft, nodeRect.originTop - size)
-          }
-        }
-        // 检测是否重叠
-        if (!this.overlapNode && !this.prevNode && !this.nextNode) {
-          if (
-            nodeRect.top + (prevBrotherOffset > 0 ? 0 : oneFourthHeight) <= y &&
-            nodeRect.bottom - (nextBrotherOffset > 0 ? 0 : oneFourthHeight) >= y
-          ) {
-            this.overlapNode = node
-          }
-        }
+      switch (this.mindMap.opt.layout) {
+        case 'logicalStructure':
+          this.handleLogicalStructure(node)
+          break
+        case 'mindMap':
+          this.handleMindMap(node)
+          break
+        case 'organizationStructure':
+          this.handleOrganizationStructure(node)
+          break
+        case 'catalogOrganization':
+          this.handleCatalogOrganization(node)
+          break
+        case 'timeline':
+          this.handleTimeLine(node)
+          break
+        case 'timeline2':
+          this.handleTimeLine2(node)
+          break
+        case 'verticalTimeline':
+          this.handleLogicalStructure(node)
+          break
+        case 'fishbone':
+          this.handleFishbone(node)
+          break
+        default:
+          this.handleLogicalStructure(node)
      }
    })
    if (this.overlapNode) {
-      this.mindMap.renderer.setNodeActive(this.overlapNode, true)
+      this.mindMap.execCommand('SET_NODE_ACTIVE', this.overlapNode, true)
    }
  }

+  // 垂直方向比较
+  // isReverse：是否反向
+  handleVerticalCheck(node, checkList, isReverse = false) {
+    let x = this.mouseMoveX
+    let y = this.mouseMoveY
+    let nodeRect = this.getNodeRect(node)
+    if (isReverse) {
+      checkList = checkList.reverse()
+    }
+    let oneFourthHeight = nodeRect.height / 4
+    let { prevBrotherOffset, nextBrotherOffset } =
+      this.getNodeDistanceToSiblingNode(checkList, node, nodeRect, 'v')
+    if (nodeRect.left <= x && nodeRect.right >= x) {
+      // 检测兄弟节点位置
+      if (
+        !this.overlapNode &&
+        !this.prevNode &&
+        !this.nextNode &&
+        !node.isRoot
+      ) {
+        let checkIsPrevNode =
+          nextBrotherOffset > 0 // 距离下一个兄弟节点的距离大于0
+            ? y > nodeRect.bottom && y <= nodeRect.bottom + nextBrotherOffset // 那么在当前节点外底部判断
+            : y >= nodeRect.bottom - oneFourthHeight && y <= nodeRect.bottom // 否则在当前节点内底部1/4区间判断
+        let checkIsNextNode =
+          prevBrotherOffset > 0 // 距离上一个兄弟节点的距离大于0
+            ? y < nodeRect.top && y >= nodeRect.top - prevBrotherOffset // 那么在当前节点外底部判断
+            : y >= nodeRect.top && y <= nodeRect.top + oneFourthHeight
+        if (checkIsPrevNode) {
+          if (isReverse) {
+            this.nextNode = node
+          } else {
+            this.prevNode = node
+          }
+          let size = this.formatPlaceholderSize(nextBrotherOffset)
+          this.setPlaceholderRect(
+            node.width,
+            size,
+            nodeRect.originLeft,
+            nodeRect.originBottom
+          )
+        } else if (checkIsNextNode) {
+          if (isReverse) {
+            this.prevNode = node
+          } else {
+            this.nextNode = node
+          }
+          let size = this.formatPlaceholderSize(prevBrotherOffset)
+          this.setPlaceholderRect(
+            node.width,
+            size,
+            nodeRect.originLeft,
+            nodeRect.originTop - size
+          )
+        }
+      }
+      // 检测是否重叠
+      this.checkIsOverlap({
+        node,
+        dir: 'v',
+        prevBrotherOffset,
+        nextBrotherOffset,
+        size: oneFourthHeight,
+        pos: y,
+        nodeRect
+      })
+    }
+  }
+
+  // 水平方向比较
+  handleHorizontalCheck(node, checkList) {
+    let x = this.mouseMoveX
+    let y = this.mouseMoveY
+    let nodeRect = this.getNodeRect(node)
+    let oneFourthWidth = nodeRect.width / 4
+    let { prevBrotherOffset, nextBrotherOffset } =
+      this.getNodeDistanceToSiblingNode(checkList, node, nodeRect, 'h')
+    if (nodeRect.top <= y && nodeRect.bottom >= y) {
+      // 检测兄弟节点位置
+      if (
+        !this.overlapNode &&
+        !this.prevNode &&
+        !this.nextNode &&
+        !node.isRoot
+      ) {
+        let checkIsPrevNode =
+          nextBrotherOffset > 0 // 距离下一个兄弟节点的距离大于0
+            ? x < nodeRect.right + nextBrotherOffset && x >= nodeRect.right // 那么在当前节点外底部判断
+            : x <= nodeRect.right && x >= nodeRect.right - oneFourthWidth // 否则在当前节点内底部1/4区间判断
+        let checkIsNextNode =
+          prevBrotherOffset > 0 // 距离上一个兄弟节点的距离大于0
+            ? x > nodeRect.left - prevBrotherOffset && x <= nodeRect.left // 那么在当前节点外底部判断
+            : x <= nodeRect.left + oneFourthWidth && x >= nodeRect.left
+        if (checkIsPrevNode) {
+          this.prevNode = node
+          let size = this.formatPlaceholderSize(nextBrotherOffset)
+          this.setPlaceholderRect(
+            size,
+            node.height,
+            nodeRect.originRight,
+            nodeRect.originTop
+          )
+        } else if (checkIsNextNode) {
+          this.nextNode = node
+          let size = this.formatPlaceholderSize(prevBrotherOffset)
+          this.setPlaceholderRect(
+            size,
+            node.height,
+            nodeRect.originLeft - size,
+            nodeRect.originTop
+          )
+        }
+      }
+      // 检测是否重叠
+      this.checkIsOverlap({
+        node,
+        dir: 'h',
+        prevBrotherOffset,
+        nextBrotherOffset,
+        size: oneFourthWidth,
+        pos: x,
+        nodeRect
+      })
+    }
+  }
+
+  // 获取节点距前一个和后一个节点的距离
+  getNodeDistanceToSiblingNode(checkList, node, nodeRect, dir) {
+    let dir1 = dir === 'v' ? 'top' : 'left'
+    let dir2 = dir === 'v' ? 'bottom' : 'right'
+    let index = getNodeIndexInNodeList(node, checkList)
+    let prevBrother = null
+    let nextBrother = null
+    if (index !== -1) {
+      if (index - 1 >= 0) {
+        prevBrother = checkList[index - 1]
+      }
+      if (index + 1 <= checkList.length - 1) {
+        nextBrother = checkList[index + 1]
+      }
+    }
+    // 和前一个兄弟节点的距离
+    let prevBrotherOffset = 0
+    if (prevBrother) {
+      let prevNodeRect = this.getNodeRect(prevBrother)
+      prevBrotherOffset = nodeRect[dir1] - prevNodeRect[dir2]
+      // 间距小于10就当它不存在
+      prevBrotherOffset =
+        prevBrotherOffset >= this.minOffset ? prevBrotherOffset / 2 : 0
+    } else {
+      // 没有前一个兄弟节点，那么假设和前一个节点的距离为20
+      prevBrotherOffset = this.minOffset
+    }
+    // 和后一个兄弟节点的距离
+    let nextBrotherOffset = 0
+    if (nextBrother) {
+      let nextNodeRect = this.getNodeRect(nextBrother)
+      nextBrotherOffset = nextNodeRect[dir1] - nodeRect[dir2]
+      nextBrotherOffset =
+        nextBrotherOffset >= this.minOffset ? nextBrotherOffset / 2 : 0
+    } else {
+      nextBrotherOffset = this.minOffset
+    }
+    return {
+      prevBrotherOffset,
+      nextBrotherOffset
+    }
+  }
+
+  // 处理提示元素的大小
+  formatPlaceholderSize(size) {
+    const { nodeDragPlaceholderMaxSize } = this.mindMap.opt
+    return size > 0 ? Math.min(size, nodeDragPlaceholderMaxSize) : 5
+  }
+
+  // 设置提示元素的大小和位置
+  setPlaceholderRect(w, h, x, y) {
+    this.placeholder.size(w, h).move(x, y)
+  }
+
+  // 检测是否重叠
+  checkIsOverlap({
+    node,
+    dir,
+    prevBrotherOffset,
+    nextBrotherOffset,
+    size,
+    pos,
+    nodeRect
+  }) {
+    let dir1 = dir === 'v' ? 'top' : 'left'
+    let dir2 = dir === 'v' ? 'bottom' : 'right'
+    if (!this.overlapNode && !this.prevNode && !this.nextNode) {
+      if (
+        nodeRect[dir1] + (prevBrotherOffset > 0 ? 0 : size) <= pos &&
+        nodeRect[dir2] - (nextBrotherOffset > 0 ? 0 : size) >= pos
+      ) {
+        this.overlapNode = node
+      }
+    }
+  }
+
+  // 处理逻辑结构图
+  handleLogicalStructure(node) {
+    const checkList = this.commonGetNodeCheckList(node)
+    this.handleVerticalCheck(node, checkList)
+  }
+
+  // 处理思维导图
+  handleMindMap(node) {
+    const checkList = node.parent
+      ? node.parent.children.filter(item => {
+          let sameDir = true
+          if (node.layerIndex === 1) {
+            sameDir = item.dir === node.dir
+          }
+          return sameDir && !this.checkIsInBeingDragNodeList(item)
+        })
+      : []
+    this.handleVerticalCheck(node, checkList)
+  }
+
+  // 处理组织结构图
+  handleOrganizationStructure(node) {
+    const checkList = this.commonGetNodeCheckList(node)
+    this.handleHorizontalCheck(node, checkList)
+  }
+
+  // 处理目录组织图
+  handleCatalogOrganization(node) {
+    const checkList = this.commonGetNodeCheckList(node)
+    if (node.layerIndex === 1) {
+      this.handleHorizontalCheck(node, checkList)
+    } else {
+      this.handleVerticalCheck(node, checkList)
+    }
+  }
+
+  // 处理时间轴
+  handleTimeLine(node) {
+    let checkList = this.commonGetNodeCheckList(node)
+    if (node.layerIndex === 1) {
+      this.handleHorizontalCheck(node, checkList)
+    } else {
+      this.handleVerticalCheck(node, checkList)
+    }
+  }
+
+  // 处理时间轴2
+  handleTimeLine2(node) {
+    let checkList = this.commonGetNodeCheckList(node)
+    if (node.layerIndex === 1) {
+      this.handleHorizontalCheck(node, checkList)
+    } else {
+      // 处于上方的三级节点需要特殊处理，因为节点排列方向反向了
+      if (node.dir === 'top' && node.layerIndex === 2) {
+        this.handleVerticalCheck(node, checkList, true)
+      } else {
+        this.handleVerticalCheck(node, checkList)
+      }
+    }
+  }
+
+  // 处理鱼骨图
+  handleFishbone(node) {
+    let checkList = node.parent
+      ? node.parent.children.filter(item => {
+          return item.layerIndex > 1 && !this.checkIsInBeingDragNodeList(item)
+        })
+      : []
+    if (node.layerIndex === 1) {
+      this.handleHorizontalCheck(node, checkList)
+    } else {
+      // 处于上方的三级节点需要特殊处理，因为节点排列方向反向了
+      if (node.dir === 'top' && node.layerIndex === 2) {
+        this.handleVerticalCheck(node, checkList, true)
+      } else {
+        this.handleVerticalCheck(node, checkList)
+      }
+    }
+  }
+
+  // 获取节点的兄弟节点列表通用方法
+  commonGetNodeCheckList(node) {
+    return node.parent
+      ? [...node.parent.children].filter(item => {
+          return !this.checkIsInBeingDragNodeList(item)
+        })
+      : []
+  }
+
  // 计算节点的位置尺寸信息
  getNodeRect(node) {
    let { scaleX, scaleY, translateX, translateY } = this.drawTransform
@@ -305,6 +655,7 @@ class Drag extends Base {
    let originLeft = left
    let originTop = top
    let originBottom = top + height
+    let originRight = left + width
    let right = (left + width) * scaleX + translateX
    let bottom = (top + height) * scaleY + translateY
    left = left * scaleX + translateX
@@ -318,9 +669,17 @@ class Drag extends Base {
      bottom,
      originLeft,
      originTop,
-      originBottom
+      originBottom,
+      originRight
    }
  }
+
+  // 检查某个节点是否在被拖拽节点内
+  checkIsInBeingDragNodeList(node) {
+    return !!this.beingDragNodeList.find(item => {
+      return item.uid === node.uid || item.isParent(node)
+    })
+  }
 }

 Drag.instanceName = 'drag'
--- a/simple-mind-map/src/plugins/Export.js
+++ b/simple-mind-map/src/plugins/Export.js
@@ -7,6 +7,7 @@ import {
 import { SVG } from '@svgdotjs/svg.js'
 import drawBackgroundImageToCanvas from '../utils/simulateCSSBackgroundInCanvas'
 import { transformToMarkdown } from '../parse/toMarkdown'
+import { a4Size } from '../constants/constant'

 //  导出插件
 class Export {
@@ -39,6 +40,10 @@ class Export {
    let imageList = svg.find('image')
    let task = imageList.map(async item => {
      let imgUlr = item.attr('href') || item.attr('xlink:href')
+      // 已经是data:URL形式不用转换
+      if (/^data:/.test(imgUlr) || imgUlr === 'none') {
+        return
+      }
      let imgData = await imgToDataUrl(imgUlr)
      item.attr('href', imgData)
    })
@@ -53,45 +58,51 @@ class Export {
  }

  //   svg转png
-  svgToPng(svgSrc, transparent, rotateWhenWidthLongerThenHeight = false) {
+  svgToPng(
+    svgSrc,
+    transparent,
+    checkRotate = () => {
+      return false
+    }
+  ) {
    return new Promise((resolve, reject) => {
      const img = new Image()
      // 跨域图片需要添加这个属性，否则画布被污染了无法导出图片
      img.setAttribute('crossOrigin', 'anonymous')
      img.onload = async () => {
        try {
-          let canvas = document.createElement('canvas')
+          const canvas = document.createElement('canvas')
+          const dpr = Math.max(
+            window.devicePixelRatio,
+            this.mindMap.opt.minExportImgCanvasScale
+          )
+          const imgWidth = img.width
+          const imgHeight = img.height
          // 如果宽比高长，那么旋转90度
-          let needRotate =
-            rotateWhenWidthLongerThenHeight && img.width / img.height > 1
+          const needRotate = checkRotate(imgWidth, imgHeight)
          if (needRotate) {
-            canvas.width = img.height
-            canvas.height = img.width
+            canvas.width = imgHeight * dpr
+            canvas.height = imgWidth * dpr
+            canvas.style.width = imgHeight + 'px'
+            canvas.style.height = imgWidth + 'px'
          } else {
-            canvas.width = img.width
-            canvas.height = img.height
+            canvas.width = imgWidth * dpr
+            canvas.height = imgHeight * dpr
+            canvas.style.width = imgWidth + 'px'
+            canvas.style.height = imgHeight + 'px'
          }
-          let ctx = canvas.getContext('2d')
+          const ctx = canvas.getContext('2d')
+          ctx.scale(dpr, dpr)
          if (needRotate) {
            ctx.rotate(0.5 * Math.PI)
-            ctx.translate(0, -img.height)
+            ctx.translate(0, -imgHeight)
          }
          // 绘制背景
          if (!transparent) {
-            await this.drawBackgroundToCanvas(ctx, img.width, img.height)
+            await this.drawBackgroundToCanvas(ctx, imgWidth, imgHeight)
          }
          // 图片绘制到canvas里
-          ctx.drawImage(
-            img,
-            0,
-            0,
-            img.width,
-            img.height,
-            0,
-            0,
-            img.width,
-            img.height
-          )
+          ctx.drawImage(img, 0, 0, imgWidth, imgHeight)
          resolve(canvas.toDataURL())
        } catch (error) {
          reject(error)
@@ -175,18 +186,27 @@ class Export {
   * 方法1.把svg的图片都转化成data:url格式，再转换
   * 方法2.把svg的图片提取出来再挨个绘制到canvas里，最后一起转换
   */
-  async png(name, transparent = false, rotateWhenWidthLongerThenHeight) {
+  async png(name, transparent = false, checkRotate) {
    let { node, str } = await this.getSvgData()
    str = removeHTMLEntities(str)
    // 如果开启了富文本，则使用htmltocanvas转换为图片
    if (this.mindMap.richText) {
-      let res = await this.mindMap.richText.handleExportPng(node.node)
-      let imgDataUrl = await this.svgToPng(
-        res,
-        transparent,
-        rotateWhenWidthLongerThenHeight
-      )
-      return imgDataUrl
+      // 覆盖html默认的样式
+      let foreignObjectList = node.find('foreignObject')
+      if (foreignObjectList.length > 0) {
+        foreignObjectList[0].add(
+          SVG(`<style>${this.mindMap.opt.resetCss}</style>`)
+        )
+      }
+      str = node.svg()
+      // 使用其他库（html2canvas、dom-to-image-more等）来完成导出
+      // let res = await this.mindMap.richText.handleExportPng(node.node)
+      // let imgDataUrl = await this.svgToPng(
+      //   res,
+      //   transparent,
+      //   checkRotate
+      // )
+      // return imgDataUrl
    }
    // 转换成blob数据
    let blob = new Blob([str], {
@@ -195,11 +215,7 @@ class Export {
    // 转换成data:url数据
    let svgUrl = await readBlob(blob)
    // 绘制到canvas上
-    let res = await this.svgToPng(
-      svgUrl,
-      transparent,
-      rotateWhenWidthLongerThenHeight
-    )
+    let res = await this.svgToPng(svgUrl, transparent, checkRotate)
    return res
  }

@@ -208,7 +224,10 @@ class Export {
    if (!this.mindMap.doExportPDF) {
      throw new Error('请注册ExportPDF插件')
    }
-    let img = await this.png('', false, true)
+    let img = await this.png('', false, (width, height) => {
+      if (width <= a4Size.width && height && a4Size.height) return false
+      return width / height > 1
+    })
    this.mindMap.doExportPDF.pdf(name, img, useMultiPageExport)
  }

@@ -225,15 +244,15 @@ class Export {

  //  导出为svg
  // plusCssText：附加的css样式，如果svg中存在dom节点，想要设置一些针对节点的样式可以通过这个参数传入
-  async svg(name, plusCssText) {
+  async svg(name) {
    let { node } = await this.getSvgData()
    // 开启了节点富文本编辑
    if (this.mindMap.richText) {
-      if (plusCssText) {
-        let foreignObjectList = node.find('foreignObject')
-        if (foreignObjectList.length > 0) {
-          foreignObjectList[0].add(SVG(`<style>${plusCssText}</style>`))
-        }
+      let foreignObjectList = node.find('foreignObject')
+      if (foreignObjectList.length > 0) {
+        foreignObjectList[0].add(
+          SVG(`<style>${this.mindMap.opt.resetCss}</style>`)
+        )
      }
    }
    node.first().before(SVG(`<title>${name}</title>`))
--- a/simple-mind-map/src/plugins/ExportPDF.js
+++ b/simple-mind-map/src/plugins/ExportPDF.js
@@ -1,4 +1,5 @@
 import JsPDF from 'jspdf'
+import { a4Size } from '../constants/constant'

 //  导出PDF插件，需要通过Export插件使用
 class ExportPDF {
@@ -19,29 +20,34 @@ class ExportPDF {
  // 单页导出
  onePageExport(name, img) {
    let pdf = new JsPDF('', 'pt', 'a4')
-    let a4Width = 595
-    let a4Height = 841
-    let a4Ratio = a4Width / a4Height
+    let a4Ratio = a4Size.width / a4Size.height
    let image = new Image()
    image.onload = () => {
      let imageWidth = image.width
      let imageHeight = image.height
      let imageRatio = imageWidth / imageHeight
      let w, h
-      if (imageWidth <= a4Width && imageHeight <= a4Height) {
+      if (imageWidth <= a4Size.width && imageHeight <= a4Size.height) {
        // 使用图片原始宽高
        w = imageWidth
        h = imageHeight
      } else if (a4Ratio > imageRatio) {
        // 以a4Height为高度，缩放图片宽度
-        w = imageRatio * a4Height
-        h = a4Height
+        w = imageRatio * a4Size.height
+        h = a4Size.height
      } else {
        // 以a4Width为宽度，缩放图片高度
-        w = a4Width
-        h = a4Width / imageRatio
+        w = a4Size.width
+        h = a4Size.width / imageRatio
      }
-      pdf.addImage(img, 'PNG', (a4Width - w) / 2, (a4Height - h) / 2, w, h)
+      pdf.addImage(
+        img,
+        'PNG',
+        (a4Size.width - w) / 2,
+        (a4Size.height - h) / 2,
+        w,
+        h
+      )
      pdf.save(name)
    }
    image.src = img
@@ -50,20 +56,18 @@ class ExportPDF {
  // 多页导出
  multiPageExport(name, img) {
    let image = new Image()
-    const a4Width = 592.28
-    const a4Height = 841.89
    image.onload = () => {
      let imageWidth = image.width
      let imageHeight = image.height
      // 一页pdf显示高度
-      let pageHeight = (imageWidth / a4Width) * a4Height
+      let pageHeight = (imageWidth / a4Size.width) * a4Size.height
      // 未生成pdf的高度
      let leftHeight = imageHeight
      // 偏移
      let position = 0
      // a4纸的尺寸[595.28,841.89]，图片在pdf中图片的宽高
-      let imgWidth = a4Width
-      let imgHeight = (a4Width / imageWidth) * imageHeight
+      let imgWidth = a4Size.width
+      let imgHeight = (a4Size.width / imageWidth) * imageHeight
      let pdf = new JsPDF('', 'pt', 'a4')
      // 有两个高度需要区分，一个是图片的实际高度，和生成pdf的页面高度(841.89)
      // 当内容未超过pdf一页显示的范围，无需分页
@@ -71,8 +75,8 @@ class ExportPDF {
        pdf.addImage(
          img,
          'PNG',
-          (a4Width - imgWidth) / 2,
-          (a4Height - imgHeight) / 2,
+          (a4Size.width - imgWidth) / 2,
+          (a4Size.height - imgHeight) / 2,
          imgWidth,
          imgHeight
        )
@@ -81,7 +85,7 @@ class ExportPDF {
        while (leftHeight > 0) {
          pdf.addImage(img, 'PNG', 0, position, imgWidth, imgHeight)
          leftHeight -= pageHeight
-          position -= a4Height
+          position -= a4Size.height
          // 避免添加空白页
          if (leftHeight > 0) {
            pdf.addPage()
--- a/simple-mind-map/src/plugins/Formula.js
+++ b/simple-mind-map/src/plugins/Formula.js
@@ -0,0 +1,53 @@
+import katex from 'katex'
+import Quill from 'quill'
+
+// 数学公式支持插件
+// 该插件在富文本模式下可用
+class Formula {
+  //  构造函数
+  constructor(opt) {
+    this.opt = opt
+    this.mindMap = opt.mindMap
+    window.katex = katex
+    this.extendQuill()
+  }
+
+  // 修改formula格式工具
+  extendQuill() {
+    const QuillFormula = Quill.import('formats/formula')
+
+    class CustomFormulaBlot extends QuillFormula {
+      static create(value) {
+        let node = super.create(value)
+        if (typeof value === 'string') {
+          katex.render(value, node, {
+            throwOnError: false,
+            errorColor: '#f00',
+            output: 'mathml' // 增加该配置，默认只输出公式
+          })
+          node.setAttribute('data-value', value)
+        }
+        return node
+      }
+    }
+
+    Quill.register('formats/formula', CustomFormulaBlot, true)
+  }
+
+  // 给指定的节点插入指定公式
+  insertFormulaToNode(node, formula) {
+    let richTextPlugin = this.mindMap.richText
+    richTextPlugin.showEditText(node)
+    richTextPlugin.quill.insertEmbed(
+      richTextPlugin.quill.getLength() - 1,
+      'formula',
+      formula
+    )
+    richTextPlugin.setTextStyleIfNotRichText(richTextPlugin.node)
+    richTextPlugin.hideEditText([node])
+  }
+}
+
+Formula.instanceName = 'formula'
+
+export default Formula
--- a/simple-mind-map/src/plugins/KeyboardNavigation.js
+++ b/simple-mind-map/src/plugins/KeyboardNavigation.js
@@ -94,7 +94,7 @@ class KeyboardNavigation {
    // 遍历节点树
    bfsWalk(this.mindMap.renderer.root, node => {
      // 跳过当前聚焦的节点
-      if (node === currentActiveNode) return
+      if (node.uid === currentActiveNode.uid) return
      // 当前遍历到的节点的位置信息
      let rect = this.getNodeRect(node)
      let { left, top, right, bottom } = rect
@@ -131,7 +131,7 @@ class KeyboardNavigation {
    checkNodeDis
  }) {
    bfsWalk(this.mindMap.renderer.root, node => {
-      if (node === currentActiveNode) return
+      if (node.uid === currentActiveNode.uid) return
      let rect = this.getNodeRect(node)
      let { left, top, right, bottom } = rect
      let match = false
@@ -173,7 +173,7 @@ class KeyboardNavigation {
    let cX = (currentActiveNodeRect.right + currentActiveNodeRect.left) / 2
    let cY = (currentActiveNodeRect.bottom + currentActiveNodeRect.top) / 2
    bfsWalk(this.mindMap.renderer.root, node => {
-      if (node === currentActiveNode) return
+      if (node.uid === currentActiveNode.uid) return
      let rect = this.getNodeRect(node)
      let { left, top, right, bottom } = rect
      // 遍历到的节点的中心点
@@ -232,4 +232,4 @@ class KeyboardNavigation {

 KeyboardNavigation.instanceName = 'keyboardNavigation'

-export default KeyboardNavigation
+export default KeyboardNavigation
--- a/simple-mind-map/src/plugins/MiniMap.js
+++ b/simple-mind-map/src/plugins/MiniMap.js
@@ -1,4 +1,9 @@
-import { isWhite, isTransparent, getVisibleColorFromTheme } from '../utils/index'
+import {
+  isWhite,
+  isTransparent,
+  getVisibleColorFromTheme,
+  readBlob
+} from '../utils/index'

 // 小地图插件
 class MiniMap {
@@ -23,7 +28,9 @@ class MiniMap {
   */
  calculationMiniMap(boxWidth, boxHeight) {
    let { svg, rect, origWidth, origHeight, scaleX, scaleY } =
-      this.mindMap.getSvgData()
+      this.mindMap.getSvgData({
+        ignoreWatermark: true
+      })
    // 计算数据
    const elRect = this.mindMap.elRect
    rect.x -= elRect.left
@@ -78,13 +85,21 @@ class MiniMap {
      viewBoxStyle.left = miniMapBoxLeft + actWidth
    }

-    Object.keys(viewBoxStyle).forEach((key) => {
+    Object.keys(viewBoxStyle).forEach(key => {
      viewBoxStyle[key] = viewBoxStyle[key] + 'px'
    })
-
    this.removeNodeContent(svg)
+    const svgStr = svg.svg()
+
    return {
-      svgHTML: svg.svg(), // 小地图html
+      getImgUrl: async callback => {
+        const blob = new Blob([svgStr], {
+          type: 'image/svg+xml'
+        })
+        const res = await readBlob(blob)
+        callback(res)
+      },
+      svgHTML: svgStr, // 小地图html
      viewBoxStyle, // 视图框的位置信息
      miniMapBoxScale, // 视图框的缩放值
      miniMapBoxLeft, // 视图框的left值
@@ -106,7 +121,7 @@ class MiniMap {
    }
    let children = svg.children()
    if (children && children.length > 0) {
-      children.forEach((node) => {
+      children.forEach(node => {
        this.removeNodeContent(node)
      })
    }
--- a/simple-mind-map/src/plugins/NodeImgAdjust.js
+++ b/simple-mind-map/src/plugins/NodeImgAdjust.js
@@ -49,7 +49,7 @@ class NodeImgAdjust {
    // 如果当前正在拖动调整中那么直接返回
    if (this.isMousedown || this.isAdjusted || this.mindMap.opt.readonly) return
    // 如果在当前节点内移动，以及自定义元素已经是显示状态，那么直接返回
-    if (this.node === node && this.isShowHandleEl) return
+    if (this.node && this.node.uid === node.uid && this.isShowHandleEl) return
    // 更新当前节点信息
    this.node = node
    this.img = img
@@ -205,7 +205,7 @@ class NodeImgAdjust {
    // 隐藏节点实际图片
    this.hideNodeImage()
    // 将节点图片渲染到自定义元素上
-    this.handleEl.style.backgroundImage = `url(${this.node.nodeData.data.image})`
+    this.handleEl.style.backgroundImage = `url(${this.node.getData('image')})`
  }

  // 鼠标移动
@@ -214,7 +214,7 @@ class NodeImgAdjust {
    e.preventDefault()
    // 计算当前拖拽位置对应的图片的实时大小
    let { width: imageOriginWidth, height: imageOriginHeight } =
-      this.node.nodeData.data.imageSize
+      this.node.getData('imageSize')
    let newWidth = e.clientX - this.rect.x
    let newHeight = e.clientY - this.rect.y
    if (newWidth <= 0 || newHeight <= 0) return
@@ -237,7 +237,7 @@ class NodeImgAdjust {
    // 隐藏自定义元素
    this.hideHandleEl()
    // 更新节点图片为新的大小
-    let { image, imageTitle } = this.node.nodeData.data
+    let { image, imageTitle } = this.node.getData()
    let { scaleX, scaleY } = this.mindMap.draw.transform()
    this.mindMap.execCommand('SET_NODE_IMAGE', this.node, {
      url: image,
@@ -263,6 +263,11 @@ class NodeImgAdjust {
  beforePluginRemove() {
    this.unBindEvent()
  }
+
+  // 插件被卸载前做的事情
+  beforePluginDestroy() {
+    this.unBindEvent()
+  }
 }

 NodeImgAdjust.instanceName = 'nodeImgAdjust'
--- a/simple-mind-map/src/plugins/Painter.js
+++ b/simple-mind-map/src/plugins/Painter.js
@@ -1,4 +1,4 @@
-import { nodeDataNoStylePropList } from '../constants/constant'
+import { checkIsNodeStyleDataKey } from '../utils/index'

 // 格式刷插件
 class Painter {
@@ -49,13 +49,13 @@ class Painter {
      !this.isInPainter ||
      !this.painterNode ||
      !node ||
-      node === this.painterNode
+      node.uid === this.painterNode.uid
    )
      return
    const style = {}
-    const painterNodeData = this.painterNode.nodeData.data
+    const painterNodeData = this.painterNode.getData()
    Object.keys(painterNodeData).forEach(key => {
-      if (!nodeDataNoStylePropList.includes(key)) {
+      if (checkIsNodeStyleDataKey(key)) {
        style[key] = painterNodeData[key]
      }
    })
@@ -69,6 +69,11 @@ class Painter {
  beforePluginRemove() {
    this.unBindEvent()
  }
+
+  // 插件被卸载前做的事情
+  beforePluginDestroy() {
+    this.unBindEvent()
+  }
 }

 Painter.instanceName = 'painter'
--- a/simple-mind-map/src/plugins/RichText.js
+++ b/simple-mind-map/src/plugins/RichText.js
@@ -1,11 +1,12 @@
 import Quill from 'quill'
+import Delta from 'quill-delta'
 import 'quill/dist/quill.snow.css'
-import domtoimage from 'dom-to-image-more'
 import {
  walk,
  getTextFromHtml,
  isWhite,
-  getVisibleColorFromTheme
+  getVisibleColorFromTheme,
+  isUndef
 } from '../utils'
 import { CONSTANTS } from '../constants/constant'

@@ -43,6 +44,7 @@ class RichText {
    this.quill = null
    this.range = null
    this.lastRange = null
+    this.pasteUseRange = null
    this.node = null
    this.isInserting = false
    this.styleEl = null
@@ -151,7 +153,7 @@ class RichText {
  }

  // 显示文本编辑控件
-  showEditText(node, rect, isInserting) {
+  showEditText(node, rect, isInserting, isFromKeyDown) {
    if (this.showTextEdit) {
      return
    }
@@ -159,7 +161,8 @@ class RichText {
      richTextEditFakeInPlace,
      customInnerElsAppendTo,
      nodeTextEditZIndex,
-      textAutoWrapWidth
+      textAutoWrapWidth,
+      selectTextOnEnterEditText
    } = this.mindMap.opt
    this.node = node
    this.isInserting = isInserting
@@ -233,21 +236,27 @@ class RichText {
        this.textEditNode.style.borderRadius = (node.height || 50) + 'px'
      }
    }
-    if (!node.nodeData.data.richText) {
+    if (!node.getData('richText')) {
      // 还不是富文本的情况
-      let text = node.nodeData.data.text.split(/\n/gim).join('<br>')
+      let text = ''
+      if (!isUndef(node.getData('text'))) {
+        text = String(node.getData('text')).split(/\n/gim).join('<br>')
+      }
      let html = `<p>${text}</p>`
      this.textEditNode.innerHTML = this.cacheEditingText || html
    } else {
      this.textEditNode.innerHTML =
-        this.cacheEditingText || node.nodeData.data.text
+        this.cacheEditingText || node.getData('text')
    }
    this.initQuillEditor()
    document.querySelector('.ql-editor').style.minHeight = originHeight + 'px'
    this.showTextEdit = true
-    // 如果是刚创建的节点，那么默认全选，否则普通激活不全选
-    this.focus(isInserting ? 0 : null)
-    if (!node.nodeData.data.richText) {
+    // 如果是刚创建的节点，那么默认全选，否则普通激活不全选，除非selectTextOnEnterEditText配置为true
+    // 在selectTextOnEnterEditText时，如果是在keydown事件进入的节点编辑，也不需要全选
+    this.focus(
+      isInserting || (selectTextOnEnterEditText && !isFromKeyDown) ? 0 : null
+    )
+    if (!node.getData('richText')) {
      // 如果是非富文本的情况，需要手动应用文本样式
      this.setTextStyleIfNotRichText(node)
    }
@@ -329,6 +338,7 @@ class RichText {
      this.lastRange = this.range
      this.range = null
      if (range) {
+        this.pasteUseRange = range
        let bounds = this.quill.getBounds(range.index, range.length)
        let rect = this.textEditNode.getBoundingClientRect()
        let rectInfo = {
@@ -368,6 +378,38 @@ class RichText {
        this.lostStyle = false
      }
    })
+    // 拦截粘贴，只允许粘贴纯文本
+    this.quill.clipboard.addMatcher(Node.TEXT_NODE, node => {
+      let style = this.getPasteTextStyle()
+      return new Delta().insert(node.data, style)
+    })
+    this.quill.clipboard.addMatcher(Node.ELEMENT_NODE, (node, delta) => {
+      let ops = []
+      let style = this.getPasteTextStyle()
+      delta.ops.forEach(op => {
+        // 过滤出文本内容，过滤掉换行
+        if (op.insert && typeof op.insert === 'string' && op.insert !== '\n') {
+          ops.push({
+            attributes: { ...style },
+            insert: op.insert
+          })
+        }
+      })
+      delta.ops = ops
+      return delta
+    })
+  }
+
+  // 获取粘贴的文本的样式
+  getPasteTextStyle() {
+    // 粘贴的数据使用当前光标位置处的文本样式
+    if (this.pasteUseRange) {
+      return this.quill.getFormat(
+        this.pasteUseRange.index,
+        this.pasteUseRange.length
+      )
+    }
+    return {}
  }

  // 正则输入中文
@@ -452,7 +494,7 @@ class RichText {
      })
    } else {
      let data = this.richTextStyleToNormalStyle(config)
-      this.mindMap.renderer.setNodeData(this.node, data)
+      this.mindMap.execCommand('SET_NODE_DATA', this.node, data)
    }
  }

@@ -522,6 +564,16 @@ class RichText {
    return data
  }

+  // 给未激活的节点设置富文本样式
+  setNotActiveNodeStyle(node, style) {
+    const config = this.normalStyleToRichTextStyle(style)
+    if (Object.keys(config).length > 0) {
+      this.showEditText(node)
+      this.formatAllText(config)
+      this.hideEditText([node])
+    }
+  }
+
  // 处理导出为图片
  async handleExportPng(node) {
    let el = document.createElement('div')
@@ -578,7 +630,7 @@ class RichText {
  // 处理导入数据
  handleSetData(data) {
    let walk = root => {
-      if (!root.data.richText) {
+      if (root.data && !root.data.richText) {
        root.data.richText = true
        root.data.resetRichText = true
      }
@@ -597,6 +649,11 @@ class RichText {
    this.transformAllNodesToNormalNode()
    document.head.removeChild(this.styleEl)
  }
+
+  // 插件被卸载前做的事情
+  beforePluginDestroy() {
+    document.head.removeChild(this.styleEl)
+  }
 }

 RichText.instanceName = 'richText'
--- a/simple-mind-map/src/plugins/Scrollbar.js
+++ b/simple-mind-map/src/plugins/Scrollbar.js
@@ -0,0 +1,258 @@
+import { throttle } from '../utils/index'
+import { CONSTANTS } from '../constants/constant'
+
+// 滚动条插件
+class Scrollbar {
+  //  构造函数
+  constructor(opt) {
+    this.mindMap = opt.mindMap
+    this.scrollbarWrapSize = {
+      width: 0, // 水平滚动条的容器宽度
+      height: 0 // 垂直滚动条的容器高度
+    }
+    // 思维导图实际高度
+    this.chartHeight = 0
+    this.chartWidth = 0
+    this.reset()
+    this.bindEvent()
+  }
+
+  // 复位数据
+  reset() {
+    // 当前拖拽的滚动条类型
+    this.currentScrollType = ''
+    this.isMousedown = false
+    this.mousedownPos = {
+      x: 0,
+      y: 0
+    }
+    // 鼠标按下时，滚动条位置
+    this.mousedownScrollbarPos = 0
+  }
+
+  // 绑定事件
+  bindEvent() {
+    this.onMousemove = this.onMousemove.bind(this)
+    this.onMouseup = this.onMouseup.bind(this)
+    this.updateScrollbar = this.updateScrollbar.bind(this)
+    this.updateScrollbar = throttle(this.updateScrollbar, 16, this) // 加个节流
+    this.mindMap.on('mousemove', this.onMousemove)
+    this.mindMap.on('mouseup', this.onMouseup)
+    this.mindMap.on('node_tree_render_end', this.updateScrollbar)
+    this.mindMap.on('view_data_change', this.updateScrollbar)
+  }
+
+  // 解绑事件
+  unBindEvent() {
+    this.mindMap.off('mousemove', this.onMousemove)
+    this.mindMap.off('mouseup', this.onMouseup)
+    this.mindMap.off('node_tree_render_end', this.updateScrollbar)
+    this.mindMap.off('view_data_change', this.updateScrollbar)
+  }
+
+  // 渲染后、数据改变需要更新滚动条
+  updateScrollbar() {
+    // 当前正在拖拽滚动条时不需要更新
+    if (this.isMousedown) return
+    const res = this.calculationScrollbar()
+    this.emitEvent(res)
+  }
+
+  // 发送滚动条改变事件
+  emitEvent(data) {
+    this.mindMap.emit('scrollbar_change', data)
+  }
+
+  // 设置滚动条容器的大小，指滚动条容器的大小，对于水平滚动条，即宽度，对于垂直滚动条，即高度
+  setScrollBarWrapSize(width, height) {
+    this.scrollbarWrapSize.width = width
+    this.scrollbarWrapSize.height = height
+  }
+
+  // 计算滚动条大小和位置
+  calculationScrollbar() {
+    const rect = this.mindMap.draw.rbox()
+    // 减去画布距离浏览器窗口左上角的距离
+    const elRect = this.mindMap.elRect
+    rect.x -= elRect.left
+    rect.y -= elRect.top
+
+    // 垂直滚动条
+    const canvasHeight = this.mindMap.height // 画布高度
+    const paddingY = canvasHeight / 2 // 首尾允许超出的距离，默认为高度的一半
+    const chartHeight = rect.height + paddingY * 2 // 思维导图高度
+    this.chartHeight = chartHeight
+    const chartTop = rect.y - paddingY // 思维导图顶部距画布顶部的距离
+    const height = Math.min((canvasHeight / chartHeight) * 100, 100) // 滚动条高度 = 画布高度 / 思维导图高度
+    let top = (-chartTop / chartHeight) * 100 // 滚动条距离 = 思维导图顶部距画布顶部的距离 / 思维导图高度
+    // 判断是否到达边界
+    if (top < 0) {
+      top = 0
+    }
+    if (top > 100 - height) {
+      top = 100 - height
+    }
+
+    // 水平滚动条
+    const canvasWidth = this.mindMap.width
+    const paddingX = canvasWidth / 2
+    const chartWidth = rect.width + paddingX * 2
+    this.chartWidth = chartWidth
+    const chartLeft = rect.x - paddingX
+    const width = Math.min((canvasWidth / chartWidth) * 100, 100)
+    let left = (-chartLeft / chartWidth) * 100
+    if (left < 0) {
+      left = 0
+    }
+    if (left > 100 - width) {
+      left = 100 - width
+    }
+
+    const res = {
+      // 垂直滚动条
+      vertical: {
+        top,
+        height
+      },
+      // 水平滚动条
+      horizontal: {
+        left,
+        width
+      }
+    }
+
+    return res
+  }
+
+  // 滚动条鼠标按下事件处理函数
+  onMousedown(e, type) {
+    e.preventDefault()
+    e.stopPropagation()
+    this.currentScrollType = type
+    this.isMousedown = true
+    this.mousedownPos = {
+      x: e.clientX,
+      y: e.clientY
+    }
+    // 保存滚动条当前的位置
+    const styles = window.getComputedStyle(e.target)
+    if (type === CONSTANTS.SCROLL_BAR_DIR.VERTICAL) {
+      this.mousedownScrollbarPos = Number.parseFloat(styles.top)
+    } else {
+      this.mousedownScrollbarPos = Number.parseFloat(styles.left)
+    }
+  }
+
+  // 鼠标移动事件处理函数
+  onMousemove(e) {
+    if (!this.isMousedown) {
+      return
+    }
+    e.preventDefault()
+    e.stopPropagation()
+    if (this.currentScrollType === CONSTANTS.SCROLL_BAR_DIR.VERTICAL) {
+      const oy = e.clientY - this.mousedownPos.y + this.mousedownScrollbarPos
+      this.updateMindMapView(CONSTANTS.SCROLL_BAR_DIR.VERTICAL, oy)
+    } else {
+      const ox = e.clientX - this.mousedownPos.x + this.mousedownScrollbarPos
+      this.updateMindMapView(CONSTANTS.SCROLL_BAR_DIR.HORIZONTAL, ox)
+    }
+  }
+
+  // 鼠标松开事件处理函数
+  onMouseup() {
+    this.isMousedown = false
+    this.reset()
+  }
+
+  // 更新视图
+  updateMindMapView(type, offset) {
+    const scrollbarData = this.calculationScrollbar()
+    const t = this.mindMap.draw.transform()
+    const drawRect = this.mindMap.draw.rbox()
+    const rootRect = this.mindMap.renderer.root.group.rbox()
+    if (type === CONSTANTS.SCROLL_BAR_DIR.VERTICAL) {
+      // 滚动条新位置
+      let oy = offset
+      // 判断是否达到首尾
+      if (oy <= 0) {
+        oy = 0
+      }
+      let max =
+        ((100 - scrollbarData.vertical.height) / 100) *
+        this.scrollbarWrapSize.height
+      if (oy >= max) {
+        oy = max
+      }
+      // 转换成百分比
+      const oyPercentage = (oy / this.scrollbarWrapSize.height) * 100
+      // 转换成相对于图形高度的距离
+      const oyPx = (-oyPercentage / 100) * this.chartHeight
+      // 节点中心点到图形最上方的距离
+      const yOffset = rootRect.y - drawRect.y
+      // 内边距
+      const paddingY = this.mindMap.height / 2
+      // 图形新位置
+      let chartTop = oyPx + yOffset - paddingY * t.scaleY + paddingY
+      this.mindMap.view.translateYTo(chartTop)
+      this.emitEvent({
+        horizontal: scrollbarData.horizontal,
+        vertical: {
+          top: oyPercentage,
+          height: scrollbarData.vertical.height
+        }
+      })
+    } else {
+      // 滚动条新位置
+      let ox = offset
+      // 判断是否达到首尾
+      if (ox <= 0) {
+        ox = 0
+      }
+      let max =
+        ((100 - scrollbarData.horizontal.width) / 100) *
+        this.scrollbarWrapSize.width
+      if (ox >= max) {
+        ox = max
+      }
+      // 转换成百分比
+      const oxPercentage = (ox / this.scrollbarWrapSize.width) * 100
+      // 转换成相对于图形高度的距离
+      const oxPx = (-oxPercentage / 100) * this.chartWidth
+      // 节点中心点到图形最左边的距离
+      const xOffset = rootRect.x - drawRect.x
+      // 内边距
+      const paddingX = this.mindMap.width / 2
+      // 图形新位置
+      let chartLeft = oxPx + xOffset - paddingX * t.scaleX + paddingX
+      this.mindMap.view.translateXTo(chartLeft)
+      this.emitEvent({
+        vertical: scrollbarData.vertical,
+        horizontal: {
+          left: oxPercentage,
+          width: scrollbarData.horizontal.width
+        }
+      })
+    }
+  }
+
+  // 滚动条的点击事件
+  onClick(e, type) {
+    let offset = 0
+    if (type === CONSTANTS.SCROLL_BAR_DIR.VERTICAL) {
+      offset = e.clientY - e.currentTarget.getBoundingClientRect().top
+    } else {
+      offset = e.clientX - e.currentTarget.getBoundingClientRect().left
+    }
+    this.updateMindMapView(type, offset)
+  }
+
+  // 插件被卸载前做的事情
+  beforePluginDestroy() {
+    this.unBindEvent()
+  }
+}
+
+Scrollbar.instanceName = 'scrollbar'
+
+export default Scrollbar
--- a/simple-mind-map/src/plugins/Search.js
+++ b/simple-mind-map/src/plugins/Search.js
@@ -1,4 +1,9 @@
-import { bfsWalk, getTextFromHtml, isUndef, replaceHtmlText } from '../utils/index'
+import {
+  bfsWalk,
+  getTextFromHtml,
+  isUndef,
+  replaceHtmlText
+} from '../utils/index'

 // 搜索插件
 class Search {
@@ -68,7 +73,7 @@ class Search {
    this.matchNodeList = []
    this.currentIndex = -1
    bfsWalk(this.mindMap.renderer.root, node => {
-      let { richText, text } = node.nodeData.data
+      let { richText, text } = node.getData()
      if (richText) {
        text = getTextFromHtml(text)
      }
@@ -110,7 +115,7 @@ class Search {
    if (!currentNode) return
    let text = this.getReplacedText(currentNode, this.searchText, replaceText)
    this.notResetSearchText = true
-    currentNode.setText(text, currentNode.nodeData.data.richText, true)
+    currentNode.setText(text, currentNode.getData('richText'), true)
    this.matchNodeList = this.matchNodeList.filter(node => {
      return currentNode !== node
    })
@@ -138,7 +143,7 @@ class Search {
        node,
        {
          text,
-          resetRichText: !!node.nodeData.data.richText
+          resetRichText: !!node.getData('richText')
        },
        true
      )
@@ -150,7 +155,7 @@ class Search {

  // 获取某个节点替换后的文本
  getReplacedText(node, searchText, replaceText) {
-    let { richText, text } = node.nodeData.data
+    let { richText, text } = node.getData()
    if (richText) {
      return replaceHtmlText(text, searchText, replaceText)
    } else {
--- a/simple-mind-map/src/plugins/Select.js
+++ b/simple-mind-map/src/plugins/Select.js
@@ -1,4 +1,4 @@
-import { bfsWalk, throttle } from '../utils'
+import { bfsWalk, throttle, checkTwoRectIsOverlap } from '../utils'

 // 节点选择插件
 class Select {
@@ -11,6 +11,8 @@ class Select {
    this.mouseDownY = 0
    this.mouseMoveX = 0
    this.mouseMoveY = 0
+    this.isSelecting = false
+    this.cacheActiveList = []
    this.bindEvent()
  }

@@ -30,6 +32,7 @@ class Select {
      }
      e.preventDefault()
      this.isMousedown = true
+      this.cacheActiveList = [...this.mindMap.renderer.activeNodeList]
      let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
      this.mouseDownX = x
      this.mouseDownY = y
@@ -51,80 +54,142 @@ class Select {
      ) {
        return
      }
-      clearTimeout(this.autoMoveTimer)
-      this.onMove(x, y)
-    })
-    this.mindMap.on('mouseup', () => {
-      if (this.mindMap.opt.readonly) {
-        return
-      }
-      if (!this.isMousedown) {
-        return
-      }
-      this.mindMap.emit(
-        'node_active',
-        null,
-        this.mindMap.renderer.activeNodeList
+      this.clearAutoMoveTimer()
+      this.onMove(
+        e.clientX,
+        e.clientY,
+        () => {
+          this.isSelecting = true
+          // 绘制矩形
+          this.rect.plot([
+            [this.mouseDownX, this.mouseDownY],
+            [this.mouseMoveX, this.mouseDownY],
+            [this.mouseMoveX, this.mouseMoveY],
+            [this.mouseDownX, this.mouseMoveY]
+          ])
+          this.checkInNodes()
+        },
+        (dir, step) => {
+          switch (dir) {
+            case 'left':
+              this.mouseDownX += step
+              break
+            case 'top':
+              this.mouseDownY += step
+              break
+            case 'right':
+              this.mouseDownX -= step
+              break
+            case 'bottom':
+              this.mouseDownY -= step
+              break
+            default:
+              break
+          }
+        }
      )
-      clearTimeout(this.autoMoveTimer)
-      this.isMousedown = false
-      if (this.rect) this.rect.remove()
-      this.rect = null
    })
+    this.onMouseup = this.onMouseup.bind(this)
+    this.mindMap.on('mouseup', this.onMouseup)
+    this.mindMap.on('node_mouseup', this.onMouseup)
+  }
+
+  // 结束框选
+  onMouseup() {
+    if (this.mindMap.opt.readonly) {
+      return
+    }
+    if (!this.isMousedown) {
+      return
+    }
+    this.checkTriggerNodeActiveEvent()
+    clearTimeout(this.autoMoveTimer)
+    this.isMousedown = false
+    this.cacheActiveList = []
+    if (this.rect) this.rect.remove()
+    this.rect = null
+    setTimeout(() => {
+      this.isSelecting = false
+    }, 0)
+  }
+
+  // 如果激活节点改变了，那么触发事件
+  checkTriggerNodeActiveEvent() {
+    let isNumChange =
+      this.cacheActiveList.length !==
+      this.mindMap.renderer.activeNodeList.length
+    let isNodeChange = false
+    if (!isNumChange) {
+      for (let i = 0; i < this.cacheActiveList.length; i++) {
+        let cur = this.cacheActiveList[i]
+        if (
+          !this.mindMap.renderer.activeNodeList.find(item => {
+            return item.getData('uid') === cur.getData('uid')
+          })
+        ) {
+          isNodeChange = true
+          break
+        }
+      }
+    }
+    if (isNumChange || isNodeChange) {
+      this.mindMap.emit('node_active', null, [
+        ...this.mindMap.renderer.activeNodeList
+      ])
+    }
  }

  //  鼠标移动事件
-  onMove(x, y) {
-    // 绘制矩形
-    this.rect.plot([
-      [this.mouseDownX, this.mouseDownY],
-      [this.mouseMoveX, this.mouseDownY],
-      [this.mouseMoveX, this.mouseMoveY],
-      [this.mouseDownX, this.mouseMoveY]
-    ])
-    this.checkInNodes()
+  onMove(x, y, callback = () => {}, handle = () => {}) {
+    callback()
    // 检测边缘移动
    let step = this.mindMap.opt.selectTranslateStep
    let limit = this.mindMap.opt.selectTranslateLimit
    let count = 0
    // 左边缘
    if (x <= this.mindMap.elRect.left + limit) {
-      this.mouseDownX += step
+      handle('left', step)
      this.mindMap.view.translateX(step)
      count++
    }
    // 右边缘
    if (x >= this.mindMap.elRect.right - limit) {
-      this.mouseDownX -= step
+      handle('right', step)
      this.mindMap.view.translateX(-step)
      count++
    }
    // 上边缘
    if (y <= this.mindMap.elRect.top + limit) {
-      this.mouseDownY += step
+      handle('top', step)
      this.mindMap.view.translateY(step)
      count++
    }
    // 下边缘
    if (y >= this.mindMap.elRect.bottom - limit) {
-      this.mouseDownY -= step
+      handle('bottom', step)
      this.mindMap.view.translateY(-step)
      count++
    }
    if (count > 0) {
-      this.startAutoMove(x, y)
+      this.startAutoMove(x, y, callback, handle)
    }
  }

  //  开启自动移动
-  startAutoMove(x, y) {
+  startAutoMove(x, y, callback, handle) {
    this.autoMoveTimer = setTimeout(() => {
-      this.onMove(x, y)
+      this.onMove(x, y, callback, handle)
    }, 20)
  }

+  // 清除自动移动定时器
+  clearAutoMoveTimer() {
+    clearTimeout(this.autoMoveTimer)
+  }
+
  //  创建矩形
  createRect(x, y) {
+    if (this.rect) this.rect.remove()
    this.rect = this.mindMap.svg
      .polygon()
      .stroke({
@@ -151,27 +216,25 @@ class Select {
      left = left * scaleX + translateX
      top = top * scaleY + translateY
      if (
-        ((left >= minx && left <= maxx) || (right >= minx && right <= maxx)) &&
-        ((top >= miny && top <= maxy) || (bottom >= miny && bottom <= maxy))
+        checkTwoRectIsOverlap(minx, maxx, miny, maxy, left, right, top, bottom)
      ) {
-        // this.mindMap.batchExecution.push('activeNode' + node.uid, () => {
-        if (node.nodeData.data.isActive) {
+        if (node.getData('isActive')) {
          return
        }
-        this.mindMap.renderer.setNodeActive(node, true)
-        this.mindMap.renderer.addActiveNode(node)
-        // })
-      } else if (node.nodeData.data.isActive) {
-        // this.mindMap.batchExecution.push('activeNode' + node.uid, () => {
-        if (!node.nodeData.data.isActive) {
+        this.mindMap.renderer.addNodeToActiveList(node)
+      } else if (node.getData('isActive')) {
+        if (!node.getData('isActive')) {
          return
        }
-        this.mindMap.renderer.setNodeActive(node, false)
-        this.mindMap.renderer.removeActiveNode(node)
-        // })
+        this.mindMap.renderer.removeNodeFromActiveList(node)
      }
    })
  }
+
+  // 是否存在选区
+  hasSelectRange() {
+    return this.isSelecting
+  }
 }

 Select.instanceName = 'select'
--- a/simple-mind-map/src/plugins/TouchEvent.js
+++ b/simple-mind-map/src/plugins/TouchEvent.js
@@ -148,6 +148,11 @@ class TouchEvent {
  beforePluginRemove() {
    this.unBindEvent()
  }
+
+  // 插件被卸载前做的事情
+  beforePluginDestroy() {
+    this.unBindEvent()
+  }
 }

 TouchEvent.instanceName = 'touchEvent'
--- a/simple-mind-map/src/plugins/Watermark.js
+++ b/simple-mind-map/src/plugins/Watermark.js
@@ -11,13 +11,48 @@ class Watermark {
    this.angle = 0 // 旋转角度
    this.text = '' // 水印文字
    this.textStyle = {} // 水印文字样式
+    this.watermarkDraw = null // 容器
+    this.maxLong = this.getMaxLong()
+    this.updateWatermark(this.mindMap.opt.watermarkConfig || {})
+    this.bindEvent()
+  }
+
+  getMaxLong() {
+    return Math.sqrt(
+      Math.pow(this.mindMap.width, 2) + Math.pow(this.mindMap.height, 2)
+    )
+  }
+
+  bindEvent() {
+    this.onResize = this.onResize.bind(this)
+    this.mindMap.on('resize', this.onResize)
+  }
+
+  unBindEvent() {
+    this.mindMap.off('resize', this.onResize)
+  }
+
+  onResize() {
+    this.maxLong = this.getMaxLong()
+    this.draw()
+  }
+
+  // 创建水印容器
+  createContainer() {
+    if (this.watermarkDraw) return
    this.watermarkDraw = this.mindMap.svg
      .group()
      .css({ 'pointer-events': 'none', 'user-select': 'none' })
-    this.maxLong = Math.sqrt(
-      Math.pow(this.mindMap.width, 2) + Math.pow(this.mindMap.height, 2)
-    )
-    this.updateWatermark(this.mindMap.opt.watermarkConfig || {})
+      .addClass('smm-water-mark-container')
+  }
+
+  // 删除水印容器
+  removeContainer() {
+    if (!this.watermarkDraw) {
+      return
+    }
+    this.watermarkDraw.remove()
+    this.watermarkDraw = null
  }

  // 获取是否存在水印
@@ -40,10 +75,14 @@ class Watermark {
  // 绘制水印
  // 非精确绘制，会绘制一些超出可视区域的水印
  draw() {
-    this.watermarkDraw.clear()
+    // 清空之前的水印
+    if (this.watermarkDraw) this.watermarkDraw.clear()
+    // 如果没有水印数据，那么水印容器也删除掉
    if (!this.hasWatermark()) {
+      this.removeContainer()
      return
    }
+    this.createContainer()
    let x = 0
    while (x < this.mindMap.width) {
      this.drawText(x)
@@ -109,12 +148,25 @@ class Watermark {

  // 更新水印
  updateWatermark(config) {
-    this.mindMap.opt.watermarkConfig = merge(this.mindMap.opt.watermarkConfig, config)
+    this.mindMap.opt.watermarkConfig = merge(
+      this.mindMap.opt.watermarkConfig,
+      config
+    )
    this.handleConfig(config)
    this.draw()
  }
+
+  // 插件被移除前做的事情
+  beforePluginRemove() {
+    this.unBindEvent()
+  }
+
+  // 插件被卸载前做的事情
+  beforePluginDestroy() {
+    this.unBindEvent()
+  }
 }

 Watermark.instanceName = 'watermark'

-export default Watermark
+export default Watermark
--- a/simple-mind-map/src/plugins/associativeLine/associativeLineControls.js
+++ b/simple-mind-map/src/plugins/associativeLine/associativeLineControls.js
@@ -1,7 +1,7 @@
 import {
  getAssociativeLineTargetIndex,
  joinCubicBezierPath,
-  computeNodePoints,
+  getNodePoint,
  getDefaultControlPointOffsets
 } from './associativeLineUtils'

@@ -9,10 +9,10 @@ import {
 function createControlNodes() {
  let { associativeLineActiveColor } = this.mindMap.themeConfig
  // 连线
-  this.controlLine1 = this.draw
+  this.controlLine1 = this.associativeLineDraw
    .line()
    .stroke({ color: associativeLineActiveColor, width: 2 })
-  this.controlLine2 = this.draw
+  this.controlLine2 = this.associativeLineDraw
    .line()
    .stroke({ color: associativeLineActiveColor, width: 2 })
  // 控制点
@@ -23,7 +23,7 @@ function createControlNodes() {
 // 创建控制点
 function createOneControlNode(pointKey) {
  let { associativeLineActiveColor } = this.mindMap.themeConfig
-  return this.draw
+  return this.associativeLineDraw
    .circle(this.controlPointDiameter)
    .stroke({ color: associativeLineActiveColor })
    .fill({ color: '#fff' })
@@ -61,15 +61,22 @@ function onControlPointMousemove(e) {
  }
  // 更新当前拖拽的控制点的位置
  this[this.mousedownControlPointKey].x(x - radius).y(y - radius)
-  let [path, clickPath, text, node, toNode] = this.activeLine
-  let [startPoint, endPoint] = computeNodePoints(node, toNode)
+  let [, , , node, toNode] = this.activeLine
+  let targetIndex = getAssociativeLineTargetIndex(node, toNode)
+  let { associativeLinePoint, associativeLineTargetControlOffsets } =
+    node.getData()
+  associativeLinePoint = associativeLinePoint || []
+  const nodePos = this.getNodePos(node)
+  const toNodePos = this.getNodePos(toNode)
+  let [startPoint, endPoint] = this.updateAllLinesPos(
+    node,
+    toNode,
+    associativeLinePoint[targetIndex]
+  )
  this.controlPointMousemoveState.startPoint = startPoint
  this.controlPointMousemoveState.endPoint = endPoint
-  let targetIndex = getAssociativeLineTargetIndex(node, toNode)
  this.controlPointMousemoveState.targetIndex = targetIndex
  let offsets = []
-  let associativeLineTargetControlOffsets =
-    node.nodeData.data.associativeLineTargetControlOffsets
  if (!associativeLineTargetControlOffsets) {
    // 兼容0.4.5版本，没有associativeLineTargetControlOffsets的情况
    offsets = getDefaultControlPointOffsets(startPoint, endPoint)
@@ -78,8 +85,14 @@ function onControlPointMousemove(e) {
  }
  let point1 = null
  let point2 = null
+  const { x: clientX, y: clientY } = this.mindMap.toPos(e.clientX, e.clientY)
+  const _e = {
+    clientX,
+    clientY
+  }
  // 拖拽的是控制点1
  if (this.mousedownControlPointKey === 'controlPoint1') {
+    startPoint = getNodePoint(nodePos, '', 0, _e)
    point1 = {
      x,
      y
@@ -88,10 +101,15 @@ function onControlPointMousemove(e) {
      x: endPoint.x + offsets[1].x,
      y: endPoint.y + offsets[1].y
    }
-    // 更新控制点1的连线
-    this.controlLine1.plot(startPoint.x, startPoint.y, point1.x, point1.y)
+    if (startPoint) {
+      // 保存更新后的坐标
+      this.controlPointMousemoveState.startPoint = startPoint
+      // 更新控制点1的连线
+      this.controlLine1.plot(startPoint.x, startPoint.y, point1.x, point1.y)
+    }
  } else {
    // 拖拽的是控制点2
+    endPoint = getNodePoint(toNodePos, '', 0, _e)
    point1 = {
      x: startPoint.x + offsets[0].x,
      y: startPoint.y + offsets[0].y
@@ -100,18 +118,39 @@ function onControlPointMousemove(e) {
      x,
      y
    }
-    // 更新控制点2的连线
-    this.controlLine2.plot(endPoint.x, endPoint.y, point2.x, point2.y)
+    if (endPoint) {
+      // 保存更新后结束节点的坐标
+      this.controlPointMousemoveState.endPoint = endPoint
+      // 更新控制点2的连线
+      this.controlLine2.plot(endPoint.x, endPoint.y, point2.x, point2.y)
+    }
  }
+  this.updataAassociativeLine(
+    startPoint,
+    endPoint,
+    point1,
+    point2,
+    this.activeLine
+  )
+}
+
+function updataAassociativeLine(
+  startPoint,
+  endPoint,
+  point1,
+  point2,
+  activeLine
+) {
+  const [path, clickPath, text] = activeLine
  // 更新关联线
-  let pathStr = joinCubicBezierPath(startPoint, endPoint, point1, point2)
+  const pathStr = joinCubicBezierPath(startPoint, endPoint, point1, point2)
  path.plot(pathStr)
  clickPath.plot(pathStr)
  this.updateTextPos(path, text)
  this.updateTextEditBoxPos(text)
 }

-// 控制点的鼠标移动事件
+// 控制点的鼠标松开事件
 function onControlPointMouseup(e) {
  if (!this.isControlPointMousedown) return
  e.stopPropagation()
@@ -120,8 +159,15 @@ function onControlPointMouseup(e) {
    this.controlPointMousemoveState
  let [, , , node] = this.activeLine
  let offsetList = []
-  let associativeLineTargetControlOffsets =
-    node.nodeData.data.associativeLineTargetControlOffsets
+  let { associativeLinePoint, associativeLineTargetControlOffsets } =
+    node.getData()
+  if (!associativeLinePoint) {
+    associativeLinePoint = []
+  }
+  associativeLinePoint[targetIndex] = associativeLinePoint[targetIndex] || {
+    startPoint,
+    endPoint
+  }
  if (!associativeLineTargetControlOffsets) {
    // 兼容0.4.5版本，没有associativeLineTargetControlOffsets的情况
    offsetList[targetIndex] = getDefaultControlPointOffsets(
@@ -140,6 +186,7 @@ function onControlPointMouseup(e) {
      y: pos.y - startPoint.y
    }
    offset2 = offsetList[targetIndex][1]
+    associativeLinePoint[targetIndex].startPoint = startPoint
  } else {
    // 更新控制点2数据
    offset1 = offsetList[targetIndex][0]
@@ -147,10 +194,12 @@ function onControlPointMouseup(e) {
      x: pos.x - endPoint.x,
      y: pos.y - endPoint.y
    }
+    associativeLinePoint[targetIndex].endPoint = endPoint
  }
  offsetList[targetIndex] = [offset1, offset2]
  this.mindMap.execCommand('SET_NODE_DATA', node, {
-    associativeLineTargetControlOffsets: offsetList
+    associativeLineTargetControlOffsets: offsetList,
+    associativeLinePoint
  })
  // 这里要加个setTimeout0是因为draw_click事件比mouseup事件触发的晚，所以重置isControlPointMousedown需要等draw_click事件触发完以后
  setTimeout(() => {
@@ -237,5 +286,6 @@ export default {
  renderControls,
  removeControls,
  hideControls,
-  showControls
+  showControls,
+  updataAassociativeLine
 }
--- a/simple-mind-map/src/plugins/associativeLine/associativeLineText.js
+++ b/simple-mind-map/src/plugins/associativeLine/associativeLineText.js
@@ -1,9 +1,13 @@
 import { Text } from '@svgdotjs/svg.js'
-import { getStrWithBrFromHtml } from '../../utils/index'
+import {
+  getStrWithBrFromHtml,
+  focusInput,
+  selectAllInput
+} from '../../utils/index'

 // 创建文字节点
 function createText(data) {
-  let g = this.draw.group()
+  let g = this.associativeLineDraw.group()
  const setActive = () => {
    if (
      !this.activeLine ||
@@ -36,7 +40,7 @@ function showEditTextBox(g) {
  this.mindMap.keyCommand.addShortcut('Enter', () => {
    this.hideEditTextBox()
  })
-  
+  // 输入框元素没有创建过，则先创建
  if (!this.textEditNode) {
    this.textEditNode = document.createElement('div')
    this.textEditNode.style.cssText = `position:fixed;box-sizing: border-box;background-color:#fff;box-shadow: 0 0 20px rgba(0,0,0,.5);padding: 3px 5px;margin-left: -5px;margin-top: -3px;outline: none; word-break: break-all;`
@@ -55,19 +59,27 @@ function showEditTextBox(g) {
    associativeLineTextFontFamily,
    associativeLineTextLineHeight
  } = this.mindMap.themeConfig
+  let { defaultAssociativeLineText, nodeTextEditZIndex } = this.mindMap.opt
  let scale = this.mindMap.view.scale
  let [, , , node, toNode] = this.activeLine
-  let textLines = (
-    this.getText(node, toNode) || this.mindMap.opt.defaultAssociativeLineText
-  ).split(/\n/gim)
+  let text = this.getText(node, toNode)
+  let textLines = (text || defaultAssociativeLineText).split(/\n/gim)
  this.textEditNode.style.fontFamily = associativeLineTextFontFamily
  this.textEditNode.style.fontSize = associativeLineTextFontSize * scale + 'px'
-  this.textEditNode.style.lineHeight = textLines.length > 1 ? associativeLineTextLineHeight : 'normal'
-  this.textEditNode.style.zIndex = this.mindMap.opt.nodeTextEditZIndex
+  this.textEditNode.style.lineHeight =
+    textLines.length > 1 ? associativeLineTextLineHeight : 'normal'
+  this.textEditNode.style.zIndex = nodeTextEditZIndex
  this.textEditNode.innerHTML = textLines.join('<br>')
  this.textEditNode.style.display = 'block'
  this.updateTextEditBoxPos(g)
  this.showTextEdit = true
+  // 如果是默认文本要全选输入框
+  if (text === '' || text === defaultAssociativeLineText) {
+    selectAllInput(this.textEditNode)
+  } else {
+    // 否则聚焦即可
+    focusInput(this.textEditNode)
+  }
 }

 // 处理画布缩放
@@ -78,10 +90,12 @@ function onScale() {
 // 更新文本编辑框位置
 function updateTextEditBoxPos(g) {
  let rect = g.node.getBoundingClientRect()
-  this.textEditNode.style.minWidth = rect.width + 10 + 'px'
-  this.textEditNode.style.minHeight = rect.height + 6 + 'px'
-  this.textEditNode.style.left = rect.left + 'px'
-  this.textEditNode.style.top = rect.top + 'px'
+  if (this.textEditNode) {
+    this.textEditNode.style.minWidth = `${rect.width + 10}px`
+    this.textEditNode.style.minHeight = `${rect.height + 6}px`
+    this.textEditNode.style.left = `${rect.left}px`
+    this.textEditNode.style.top = `${rect.top}px`
+  }
 }

 //  隐藏文本编辑框
@@ -91,10 +105,13 @@ function hideEditTextBox() {
  }
  let [path, , text, node, toNode] = this.activeLine
  let str = getStrWithBrFromHtml(this.textEditNode.innerHTML)
+  // 如果是默认文本，那么不保存
+  let isDefaultText = str === this.mindMap.opt.defaultAssociativeLineText
+  str = isDefaultText ? '' : str
  this.mindMap.execCommand('SET_NODE_DATA', node, {
    associativeLineText: {
-      ...(node.nodeData.data.associativeLineText || {}),
-      [toNode.nodeData.data.id]: str
+      ...(node.getData('associativeLineText') || {}),
+      [toNode.getData('uid')]: str
    }
  })
  this.textEditNode.style.display = 'none'
@@ -106,11 +123,11 @@ function hideEditTextBox() {

 // 获取某根关联线的文字
 function getText(node, toNode) {
-  let obj = node.nodeData.data.associativeLineText
+  let obj = node.getData('associativeLineText')
  if (!obj) {
    return ''
  }
-  return obj[toNode.nodeData.data.id] || ''
+  return obj[toNode.getData('uid')] || ''
 }

 // 渲染关联线文字
--- a/simple-mind-map/src/plugins/associativeLine/associativeLineUtils.js
+++ b/simple-mind-map/src/plugins/associativeLine/associativeLineUtils.js
@@ -1,7 +1,7 @@
 // 获取目标节点在起始节点的目标数组中的索引
 export const getAssociativeLineTargetIndex = (node, toNode) => {
-  return node.nodeData.data.associativeLineTargets.findIndex(item => {
-    return item === toNode.nodeData.data.id
+  return node.getData('associativeLineTargets').findIndex(item => {
+    return item === toNode.getData('uid')
  })
 }

@@ -54,28 +54,136 @@ export const cubicBezierPath = (x1, y1, x2, y2) => {
  )
 }

+export const calcPoint = (node, e) => {
+  const { left, top, translateLeft, translateTop, width, height } = node
+  const clientX = e.clientX
+  const clientY = e.clientY
+  // 中心点的坐标
+  const centerX = translateLeft + width / 2
+  const centerY = translateTop + height / 2
+  const translateCenterX = left + width / 2
+  const translateCenterY = top + height / 2
+  const theta = Math.atan(height / width)
+  // 矩形左上角坐标
+  const deltaX = clientX - centerX
+  const deltaY = centerY - clientY
+  // 方向值
+  const direction = Math.atan2(deltaY, deltaX)
+  // 默认坐标
+  let x = left + width
+  let y = top + height
+  if (direction < theta && direction >= -theta) {
+    // 右边
+    // 正切值 = 对边/邻边，对边 = 正切值*邻边
+    const range = direction * (width / 2)
+    if (direction < theta && direction >= 0) {
+      // 中心点上边
+      y = translateCenterY - range
+    } else if (direction >= -theta && direction < 0) {
+      //  中心点下方
+      y = translateCenterY - range
+    }
+    return {
+      x,
+      y,
+      dir: 'right',
+      range
+    }
+  } else if (direction >= theta && direction < Math.PI - theta) {
+    // 上边
+    y = top
+    let range = 0
+    if (direction < Math.PI / 2 - theta && direction >= theta) {
+      // 正切值 = 对边/邻边，邻边 = 对边/正切值
+      const side = height / 2 / direction
+      range = -side
+      // 中心点右侧
+      x = translateCenterX + side
+    } else if (
+      direction >= Math.PI / 2 - theta &&
+      direction < Math.PI - theta
+    ) {
+      // 中心点左侧
+      const tanValue = (centerX - clientX) / (centerY - clientY)
+      const side = (height / 2) * tanValue
+      range = side
+      x = translateCenterX - side
+    }
+    return {
+      x,
+      y,
+      dir: 'top',
+      range
+    }
+  } else if (direction < -theta && direction >= theta - Math.PI) {
+    // 下边
+    let range = 0
+    if (direction >= theta - Math.PI / 2 && direction < -theta) {
+      // 中心点右侧
+      // 正切值 = 对边/邻边，邻边 = 对边/正切值
+      const side = height / 2 / direction
+      range = side
+      x = translateCenterX - side
+    } else if (
+      direction < theta - Math.PI / 2 &&
+      direction >= theta - Math.PI
+    ) {
+      // 中心点左侧
+      const tanValue = (centerX - clientX) / (centerY - clientY)
+      const side = (height / 2) * tanValue
+      range = -side
+      x = translateCenterX + side
+    }
+    return {
+      x,
+      y,
+      dir: 'bottom',
+      range
+    }
+  }
+  // 左边
+  x = left
+  const tanValue = (centerY - clientY) / (centerX - clientX)
+  const range = tanValue * (width / 2)
+  if (direction >= -Math.PI && direction < theta - Math.PI) {
+    // 中心点右侧
+    y = translateCenterY - range
+  } else if (direction < Math.PI && direction >= Math.PI - theta) {
+    //  中心点左侧
+    y = translateCenterY - range
+  }
+  return {
+    x,
+    y,
+    dir: 'left',
+    range
+  }
+}
 // 获取节点的连接点
-export const getNodePoint = (node, dir = 'right') => {
+export const getNodePoint = (node, dir = 'right', range = 0, e = null) => {
  let { left, top, width, height } = node
+  if (e) {
+    return calcPoint(node, e)
+  }
  switch (dir) {
    case 'left':
      return {
        x: left,
-        y: top + height / 2
+        y: top + height / 2 - range
      }
    case 'right':
      return {
        x: left + width,
-        y: top + height / 2
+        y: top + height / 2 - range
      }
    case 'top':
      return {
-        x: left + width / 2,
+        x: left + width / 2 - range,
        y: top
      }
    case 'bottom':
      return {
-        x: left + width / 2,
+        x: left + width / 2 - range,
        y: top + height
      }
    default:
@@ -94,7 +202,7 @@ export const computeNodePoints = (fromNode, toNode) => {
  // 中心点坐标的差值
  let offsetX = toCx - fromCx
  let offsetY = toCy - fromCy
-  if (offsetX === 0 && offsetY === 0) return
+  if (offsetX === 0 && offsetY === 0) return []
  let fromDir = ''
  let toDir = ''
  if (offsetX <= 0 && offsetX <= offsetY && offsetX <= -offsetY) {
@@ -111,8 +219,8 @@ export const computeNodePoints = (fromNode, toNode) => {
    toDir = 'bottom'
  } else if (offsetY > 0 && -offsetY < offsetX && offsetY > offsetX) {
    // down
-    fromDir = 'bottom'
-    toDir = 'top'
+    fromDir = 'right'
+    toDir = 'right'
  }
  return [getNodePoint(fromNode, fromDir), getNodePoint(toNode, toDir)]
 }
@@ -123,7 +231,7 @@ export const getNodeLinePath = (startPoint, endPoint, node, toNode) => {
  // 控制点
  let controlPoints = []
  let associativeLineTargetControlOffsets =
-    node.nodeData.data.associativeLineTargetControlOffsets
+    node.getData('associativeLineTargetControlOffsets')
  if (
    associativeLineTargetControlOffsets &&
    associativeLineTargetControlOffsets[targetIndex]
@@ -179,4 +287,4 @@ export const getDefaultControlPointOffsets = (startPoint, endPoint) => {
      y: controlPoints[1].y - endPoint.y
    }
  ]
-}
+}
--- a/simple-mind-map/src/svg/icons.js
+++ b/simple-mind-map/src/svg/icons.js
@@ -1,3 +1,5 @@
+import { mergerIconList } from '../utils'
+
 // 超链接图标
 const hyperlink =
  '<svg t="1624174958075" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7982" ><path d="M435.484444 251.733333v68.892445L295.822222 320.682667a168.504889 168.504889 0 0 0-2.844444 336.952889h142.506666v68.892444H295.822222a237.397333 237.397333 0 0 1 0-474.794667h139.662222z m248.945778 0a237.397333 237.397333 0 0 1 0 474.851556H544.654222v-69.006222l139.776 0.056889a168.504889 168.504889 0 0 0 2.844445-336.952889H544.597333V251.676444h139.776z m-25.827555 203.946667a34.474667 34.474667 0 0 1 0 68.892444H321.649778a34.474667 34.474667 0 0 1 0-68.892444h336.952889z" p-id="7983"></path></svg>'
@@ -281,12 +283,21 @@ export const nodeIconList = [
 //  获取nodeIconList icon内容
 const getNodeIconListIcon = (name, extendIconList = []) => {
  let arr = name.split('_')
-  let typeData = [...nodeIconList, ...extendIconList].find(item => {
+  const iconList = mergerIconList([...nodeIconList, ...extendIconList])
+  let typeData = iconList.find(item => {
    return item.type === arr[0]
  })
-  return typeData.list.find(item => {
-    return item.name === arr[1]
-  }).icon
+  if (typeData) {
+    let typeName = typeData.list.find(item => {
+      return item.name === arr[1]
+    })
+    if (typeName) {
+      return typeName.icon
+    }
+    return ''
+  } else {
+    return ''
+  }
 }

 export default {
--- a/simple-mind-map/src/themes/autumn.js
+++ b/simple-mind-map/src/themes/autumn.js
@@ -18,11 +18,7 @@ export default merge(defaultTheme, {
    color: '#fff',
    borderColor: '#e68112',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: '#b0bc47',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -30,18 +26,12 @@ export default merge(defaultTheme, {
    color: '#8c5416',
    borderColor: '#b0bc47',
    borderWidth: 2,
-    fontSize: 18,
-    active: {
-      borderColor: '#e68112'
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: '#8c5416',
-    active: {
-      borderColor: '#b0bc47'
-    }
+    color: '#8c5416'
  },
  // 概要节点样式
  generalization: {
@@ -49,9 +39,6 @@ export default merge(defaultTheme, {
    fillColor: '#ffd683',
    borderColor: '#b0bc47',
    borderWidth: 2,
-    color: '#8c5416',
-    active: {
-      borderColor: '#e68112'
-    }
+    color: '#8c5416'
  }
 })
--- a/simple-mind-map/src/themes/avocado.js
+++ b/simple-mind-map/src/themes/avocado.js
@@ -18,11 +18,7 @@ export default merge(defaultTheme, {
    color: '#fff',
    borderColor: '#94c143',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: '#749336',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -30,18 +26,12 @@ export default merge(defaultTheme, {
    color: '#749336',
    borderColor: '#aec668',
    borderWidth: 2,
-    fontSize: 18,
-    active: {
-      borderColor: '#749336'
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: '#749336',
-    active: {
-      borderColor: '#749336'
-    }
+    color: '#749336'
  },
  // 概要节点样式
  generalization: {
@@ -49,9 +39,6 @@ export default merge(defaultTheme, {
    fillColor: '#cee498',
    borderColor: '#aec668',
    borderWidth: 2,
-    color: '#749336',
-    active: {
-      borderColor: '#749336'
-    }
+    color: '#749336'
  }
 })
--- a/simple-mind-map/src/themes/blackGold.js
+++ b/simple-mind-map/src/themes/blackGold.js
@@ -18,11 +18,7 @@ export default merge(defaultTheme, {
    color: 'rgb(111, 61, 6)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: '#fff',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -30,18 +26,12 @@ export default merge(defaultTheme, {
    color: 'rgb(225, 201, 158)',
    borderColor: 'rgb(245, 224, 191)',
    borderWidth: 2,
-    fontSize: 18,
-    active: {
-      borderColor: 'rgb(255, 208, 124)'
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: 'rgb(231, 203, 155)',
-    active: {
-      borderColor: 'rgb(255, 208, 124)'
-    }
+    color: 'rgb(231, 203, 155)'
  },
  // 概要节点样式
  generalization: {
@@ -49,9 +39,6 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(56, 45, 34)',
    borderColor: 'rgb(104, 84, 61)',
    borderWidth: 2,
-    color: 'rgb(242, 216, 176)',
-    active: {
-      borderColor: 'rgb(255, 208, 124)'
-    }
+    color: 'rgb(242, 216, 176)'
  }
 })
--- a/simple-mind-map/src/themes/blackHumour.js
+++ b/simple-mind-map/src/themes/blackHumour.js
@@ -18,11 +18,7 @@ export default merge(defaultTheme, {
    color: '#fff',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: 'rgb(254, 199, 13)',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -30,19 +26,12 @@ export default merge(defaultTheme, {
    color: 'rgb(0, 0, 0)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 18,
-    active: {
-      borderColor: 'rgb(36, 179, 96)',
-      borderWidth: 3
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: 'rgb(204, 204, 204)',
-    active: {
-      borderColor: 'rgb(254, 199, 13)'
-    }
+    color: 'rgb(204, 204, 204)'
  },
  // 概要节点样式
  generalization: {
@@ -50,9 +39,6 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(27, 31, 34)',
    borderColor: 'rgb(255, 119, 34)',
    borderWidth: 2,
-    color: 'rgb(204, 204, 204)',
-    active: {
-      borderColor: 'rgb(36, 179, 96)'
-    }
+    color: 'rgb(204, 204, 204)'
  }
 })
--- a/simple-mind-map/src/themes/blueSky.js
+++ b/simple-mind-map/src/themes/blueSky.js
@@ -13,10 +13,7 @@ export default merge(defaultTheme, {
  generalizationLineColor: '#333',
  // 根节点样式
  root: {
-    fillColor: 'rgb(115, 161, 191)',
-    active: {
-      borderColor: 'rgb(57, 80, 96)'
-    }
+    fillColor: 'rgb(115, 161, 191)'
  },
  // 二级节点样式
  second: {
@@ -24,26 +21,17 @@ export default merge(defaultTheme, {
    color: '#333',
    borderColor: 'rgb(115, 161, 191)',
    borderWidth: 1,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(57, 80, 96)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#333',
-    active: {
-      borderColor: 'rgb(57, 80, 96)'
-    }
+    color: '#333'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: '#333',
-    color: '#333',
-    active: {
-      borderColor: 'rgb(57, 80, 96)'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/brainImpairedPink.js
+++ b/simple-mind-map/src/themes/brainImpairedPink.js
@@ -13,10 +13,7 @@ export default merge(defaultTheme, {
  generalizationLineColor: '#333',
  // 根节点样式
  root: {
-    fillColor: 'rgb(191, 115, 148)',
-    active: {
-      borderColor: 'rgb(96, 57, 74)'
-    }
+    fillColor: 'rgb(191, 115, 148)'
  },
  // 二级节点样式
  second: {
@@ -24,26 +21,17 @@ export default merge(defaultTheme, {
    color: '#333',
    borderColor: 'rgb(191, 115, 148)',
    borderWidth: 1,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(96, 57, 74)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#333',
-    active: {
-      borderColor: 'rgb(96, 57, 74)'
-    }
+    color: '#333'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: '#333',
-    color: '#333',
-    active: {
-      borderColor: 'rgb(96, 57, 74)'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/classic.js
+++ b/simple-mind-map/src/themes/classic.js
@@ -18,16 +18,13 @@ export default merge(defaultTheme, {
    'data:image/png;base64,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',
  // 背景重复
  backgroundRepeat: 'repeat',
+  backgroundSize: 'auto',
  // 根节点样式
  root: {
    fillColor: 'rgb(233, 223, 152)',
    color: '#333',
    fontSize: 24,
-    borderRadius: 21,
-    active: {
-      fillColor: 'rgb(254, 219, 0)',
-      borderColor: 'transparent'
-    }
+    borderRadius: 21
  },
  // 二级节点样式
  second: {
@@ -35,30 +32,18 @@ export default merge(defaultTheme, {
    borderColor: 'transparent',
    color: '#333',
    fontSize: 16,
-    borderRadius: 10,
-    active: {
-      fillColor: 'rgb(254, 219, 0)',
-      borderColor: 'transparent'
-    }
+    borderRadius: 10
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
    color: '#fff',
-    fontWeight: 'bold',
-    active: {
-      fillColor: 'rgb(254, 219, 0)',
-      borderColor: 'transparent'
-    }
+    fontWeight: 'bold'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: 'transparent',
-    color: '#333',
-    active: {
-      fillColor: 'rgb(254, 219, 0)',
-      borderColor: 'transparent'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/classic2.js
+++ b/simple-mind-map/src/themes/classic2.js
@@ -18,10 +18,7 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(18, 187, 55)',
    color: '#fff',
    fontSize: 24,
-    borderRadius: 10,
-    active: {
-      borderColor: 'rgb(51, 51, 51)'
-    }
+    borderRadius: 10
  },
  // 二级节点样式
  second: {
@@ -29,27 +26,18 @@ export default merge(defaultTheme, {
    borderColor: 'transparent',
    color: '#1a1a1a',
    fontSize: 18,
-    borderRadius: 10,
-    active: {
-      borderColor: 'rgb(51, 51, 51)'
-    }
+    borderRadius: 10
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: '#1a1a1a',
-    active: {
-      borderColor: 'rgb(51, 51, 51)'
-    }
+    color: '#1a1a1a'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: 'rgb(51, 51, 51)',
    borderWidth: 2,
-    color: '#1a1a1a',
-    active: {
-      borderColor: 'rgb(18, 187, 55)'
-    }
+    color: '#1a1a1a'
  }
 })
--- a/simple-mind-map/src/themes/classic3.js
+++ b/simple-mind-map/src/themes/classic3.js
@@ -20,10 +20,7 @@ export default merge(defaultTheme, {
    fontSize: 24,
    borderRadius: 10,
    borderColor: 'rgb(249, 199, 84)',
-    borderWidth: 1,
-    active: {
-      borderColor: 'rgb(94, 202, 110)'
-    }
+    borderWidth: 1
  },
  // 二级节点样式
  second: {
@@ -32,27 +29,18 @@ export default merge(defaultTheme, {
    borderWidth: 1,
    color: '#1a1a1a',
    fontSize: 18,
-    borderRadius: 10,
-    active: {
-      borderColor: 'rgb(94, 202, 110)'
-    }
+    borderRadius: 10
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: '#1a1a1a',
-    active: {
-      borderColor: 'rgb(94, 202, 110)'
-    }
+    color: '#1a1a1a'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: '#1a1a1a',
    color: '#1a1a1a',
-    borderWidth: 2,
-    active: {
-      borderColor: 'rgb(94, 202, 110)'
-    }
+    borderWidth: 2
  }
 })
--- a/simple-mind-map/src/themes/classic4.js
+++ b/simple-mind-map/src/themes/classic4.js
@@ -20,10 +20,7 @@ export default merge(defaultTheme, {
    fontSize: 24,
    borderRadius: 10,
    borderColor: 'rgb(189, 197, 201)',
-    borderWidth: 2,
-    active: {
-      borderColor: 'rgb(169, 218, 218)'
-    }
+    borderWidth: 2
  },
  // 二级节点样式
  second: {
@@ -32,10 +29,7 @@ export default merge(defaultTheme, {
    borderWidth: 2,
    color: '#fff',
    fontSize: 18,
-    borderRadius: 10,
-    active: {
-      borderColor: 'rgb(56, 123, 233)'
-    }
+    borderRadius: 10
  },
  // 三级及以下节点样式
  node: {
@@ -43,19 +37,13 @@ export default merge(defaultTheme, {
    color: 'rgb(30, 53, 86)',
    borderColor: 'rgb(30, 53, 86)',
    borderWidth: 1,
-    marginY: 20,
-    active: {
-      borderColor: 'rgb(169, 218, 218)'
-    }
+    marginY: 20
  },
  // 概要节点样式
  generalization: {
    fillColor: 'rgb(56, 123, 233)',
    borderColor: 'rgb(56, 123, 233)',
    color: '#fff',
-    borderWidth: 0,
-    active: {
-      borderColor: 'rgb(169, 218, 218)'
-    }
+    borderWidth: 0
  }
 })
--- a/simple-mind-map/src/themes/classicBlue.js
+++ b/simple-mind-map/src/themes/classicBlue.js
@@ -16,10 +16,7 @@ export default merge(defaultTheme, {
  // 根节点样式
  root: {
    fillColor: 'rgb(255, 255, 255)',
-    color: '#222',
-    active: {
-      borderColor: 'rgb(94, 199, 248)'
-    }
+    color: '#222'
  },
  // 二级节点样式
  second: {
@@ -27,26 +24,17 @@ export default merge(defaultTheme, {
    color: '#222',
    borderColor: 'rgb(255, 255, 255)',
    borderWidth: 1,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(94, 199, 248)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#333',
-    active: {
-      borderColor: 'rgb(94, 199, 248)'
-    }
+    color: '#333'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: 'rgb(51, 51, 51)',
-    color: '#333',
-    active: {
-      borderColor: 'rgb(94, 199, 248)'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/classicGreen.js
+++ b/simple-mind-map/src/themes/classicGreen.js
@@ -14,10 +14,7 @@ export default merge(defaultTheme, {
  // 根节点样式
  root: {
    fillColor: 'rgb(253, 244, 217)',
-    color: '#222',
-    active: {
-      borderColor: 'rgb(94, 199, 248)'
-    }
+    color: '#222'
  },
  // 二级节点样式
  second: {
@@ -25,27 +22,18 @@ export default merge(defaultTheme, {
    color: '#222',
    borderColor: 'rgb(242, 200, 104)',
    borderWidth: 1,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(94, 199, 248)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#333',
-    active: {
-      borderColor: 'rgb(94, 199, 248)'
-    }
+    color: '#333'
  },
  // 概要节点样式
  generalization: {
    fillColor: 'rgb(123, 199, 120)',
    borderColor: 'transparent',
    borderWidth: 2,
-    color: '#fff',
-    active: {
-      borderColor: 'rgb(94, 199, 248)'
-    }
+    color: '#fff'
  }
 })
--- a/simple-mind-map/src/themes/coffee.js
+++ b/simple-mind-map/src/themes/coffee.js
@@ -16,11 +16,7 @@ export default merge(defaultTheme, {
    color: '#fff',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: 'rgb(173, 123, 91)',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -28,18 +24,12 @@ export default merge(defaultTheme, {
    color: 'rgb(125, 86, 42)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 18,
-    active: {
-      borderColor: 'rgb(173, 123, 91)'
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: 'rgb(96, 71, 47)',
-    active: {
-      borderColor: 'rgb(173, 123, 91)'
-    }
+    color: 'rgb(96, 71, 47)'
  },
  // 概要节点样式
  generalization: {
@@ -47,9 +37,6 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(255, 249, 239)',
    borderColor: 'rgb(173, 123, 91)',
    borderWidth: 2,
-    color: 'rgb(122, 83, 44)',
-    active: {
-      borderColor: 'rgb(202, 117, 79)'
-    }
+    color: 'rgb(122, 83, 44)'
  }
 })
--- a/simple-mind-map/src/themes/courseGreen.js
+++ b/simple-mind-map/src/themes/courseGreen.js
@@ -16,11 +16,7 @@ export default merge(defaultTheme, {
    color: '#fff',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: 'rgb(173, 91, 12)',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -28,18 +24,12 @@ export default merge(defaultTheme, {
    color: 'rgb(50, 113, 96)',
    borderColor: 'rgb(113, 195, 169)',
    borderWidth: 2,
-    fontSize: 18,
-    active: {
-      borderColor: 'rgb(173, 91, 12)'
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: 'rgb(10, 59, 43)',
-    active: {
-      borderColor: 'rgb(173, 91, 12)'
-    }
+    color: 'rgb(10, 59, 43)'
  },
  // 概要节点样式
  generalization: {
@@ -47,9 +37,6 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(246, 238, 211)',
    borderColor: '',
    borderWidth: 0,
-    color: 'rgb(173, 91, 12)',
-    active: {
-      borderColor: 'rgb(113, 195, 169)'
-    }
+    color: 'rgb(173, 91, 12)'
  }
 })
--- a/simple-mind-map/src/themes/dark.js
+++ b/simple-mind-map/src/themes/dark.js
@@ -18,10 +18,7 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(28, 178, 43)',
    color: '#fff',
    fontSize: 24,
-    borderRadius: 10,
-    active: {
-      borderColor: 'rgb(17, 68, 23)'
-    }
+    borderRadius: 10
  },
  // 二级节点样式
  second: {
@@ -29,26 +26,17 @@ export default merge(defaultTheme, {
    color: 'rgb(147,148,149)',
    fontSize: 18,
    borderRadius: 10,
-    borderWidth: 0,
-    active: {
-      borderColor: 'rgb(17, 68, 23)'
-    }
+    borderWidth: 0
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: 'rgb(147, 148, 149)',
-    active: {
-      borderColor: 'rgb(17, 68, 23)'
-    }
+    color: 'rgb(147, 148, 149)'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: 'transparent',
-    color: '#333',
-    active: {
-      borderColor: 'rgb(17, 68, 23)'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/dark2.js
+++ b/simple-mind-map/src/themes/dark2.js
@@ -17,11 +17,7 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(36, 179, 96)',
    color: '#fff',
    borderColor: '',
-    borderWidth: 0,
-    active: {
-      borderColor: 'rgb(254, 199, 13)',
-      borderWidth: 3
-    }
+    borderWidth: 0
  },
  // 二级节点样式
  second: {
@@ -29,28 +25,18 @@ export default merge(defaultTheme, {
    color: 'rgb(0, 0, 0)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(36, 179, 96)',
-      borderWidth: 2
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: 'rgb(204, 204, 204)',
-    active: {
-      borderColor: 'rgb(254, 199, 13)'
-    }
+    color: 'rgb(204, 204, 204)'
  },
  // 概要节点样式
  generalization: {
    fillColor: 'transparent',
    borderColor: 'rgb(255, 119, 34)',
    borderWidth: 2,
-    color: 'rgb(204, 204, 204)',
-    active: {
-      borderColor: 'rgb(254, 199, 13)'
-    }
+    color: 'rgb(204, 204, 204)'
  }
 })
--- a/simple-mind-map/src/themes/default.js
+++ b/simple-mind-map/src/themes/default.js
@@ -70,12 +70,7 @@ export default {
    borderWidth: 0,
    borderDasharray: 'none',
    borderRadius: 5,
-    textDecoration: 'none',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
+    textDecoration: 'none'
  },
  // 二级节点样式
  second: {
@@ -93,12 +88,7 @@ export default {
    borderWidth: 1,
    borderDasharray: 'none',
    borderRadius: 5,
-    textDecoration: 'none',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
+    textDecoration: 'none'
  },
  // 三级及以下节点样式
  node: {
@@ -116,12 +106,7 @@ export default {
    borderWidth: 0,
    borderRadius: 5,
    borderDasharray: 'none',
-    textDecoration: 'none',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
+    textDecoration: 'none'
  },
  // 概要节点样式
  generalization: {
@@ -139,12 +124,7 @@ export default {
    borderWidth: 1,
    borderDasharray: 'none',
    borderRadius: 5,
-    textDecoration: 'none',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
+    textDecoration: 'none'
  }
 }

@@ -178,14 +158,17 @@ const nodeSizeIndependenceList = [
  'backgroundImage',
  'backgroundRepeat',
  'backgroundPosition',
-  'backgroundSize'
+  'backgroundSize',
+  'rootLineKeepSameInCurve'
 ]
-export const checkIsNodeSizeIndependenceConfig = (config) => {
+export const checkIsNodeSizeIndependenceConfig = config => {
  let keys = Object.keys(config)
-  for(let i = 0; i < keys.length; i++) {
-    if (!nodeSizeIndependenceList.find((item) => {
-      return item === keys[i]
-    })) {
+  for (let i = 0; i < keys.length; i++) {
+    if (
+      !nodeSizeIndependenceList.find(item => {
+        return item === keys[i]
+      })
+    ) {
      return false
    }
  }
--- a/simple-mind-map/src/themes/earthYellow.js
+++ b/simple-mind-map/src/themes/earthYellow.js
@@ -13,10 +13,7 @@ export default merge(defaultTheme, {
  generalizationLineColor: '#333',
  // 根节点样式
  root: {
-    fillColor: 'rgb(191, 147, 115)',
-    active: {
-      borderColor: 'rgb(96, 73, 57)'
-    }
+    fillColor: 'rgb(191, 147, 115)'
  },
  // 二级节点样式
  second: {
@@ -24,26 +21,17 @@ export default merge(defaultTheme, {
    color: '#333',
    borderColor: 'rgb(191, 147, 115)',
    borderWidth: 1,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(96, 73, 57)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#333',
-    active: {
-      borderColor: 'rgb(96, 73, 57)'
-    }
+    color: '#333'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: '#333',
-    color: '#333',
-    active: {
-      borderColor: 'rgb(96, 73, 57)'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/freshGreen.js
+++ b/simple-mind-map/src/themes/freshGreen.js
@@ -26,11 +26,6 @@ export default merge(defaultTheme, {
  generalization: {
    fillColor: '#fff',
    borderColor: '#333',
-    color: '#333',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/freshRed.js
+++ b/simple-mind-map/src/themes/freshRed.js
@@ -13,10 +13,7 @@ export default merge(defaultTheme, {
  generalizationLineColor: '#333',
  // 根节点样式
  root: {
-    fillColor: 'rgb(191, 115, 115)',
-    active: {
-      borderColor: 'rgb(96, 57, 57)'
-    }
+    fillColor: 'rgb(191, 115, 115)'
  },
  // 二级节点样式
  second: {
@@ -24,26 +21,17 @@ export default merge(defaultTheme, {
    color: '#333',
    borderColor: 'rgb(191, 115, 115)',
    borderWidth: 1,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(96, 57, 57)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#333',
-    active: {
-      borderColor: 'rgb(96, 57, 57)'
-    }
+    color: '#333'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: '#333',
-    color: '#333',
-    active: {
-      borderColor: 'rgb(96, 57, 57)'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/gold.js
+++ b/simple-mind-map/src/themes/gold.js
@@ -17,11 +17,7 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(51, 56, 62)',
    color: 'rgb(247, 208, 160)',
    borderColor: '',
-    borderWidth: 0,
-    active: {
-      borderColor: 'rgb(247, 208, 160)',
-      borderWidth: 3
-    }
+    borderWidth: 0
  },
  // 二级节点样式
  second: {
@@ -29,27 +25,17 @@ export default merge(defaultTheme, {
    color: 'rgb(81, 58, 42)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(51, 56, 62)',
-      borderWidth: 2
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#222',
-    active: {
-      borderColor: 'rgb(0, 192, 184)'
-    }
+    color: '#222'
  },
  // 概要节点样式
  generalization: {
    fillColor: 'rgb(127, 93, 64)',
    borderColor: 'transparent',
-    color: 'rgb(255, 214, 175)',
-    active: {
-      borderColor: 'rgb(51, 56, 62)'
-    }
+    color: 'rgb(255, 214, 175)'
  }
 })
--- a/simple-mind-map/src/themes/greenLeaf.js
+++ b/simple-mind-map/src/themes/greenLeaf.js
@@ -17,11 +17,7 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(25, 193, 73)',
    color: '#fff',
    borderColor: '',
-    borderWidth: 0,
-    active: {
-      borderColor: '#222',
-      borderWidth: 3
-    }
+    borderWidth: 0
  },
  // 二级节点样式
  second: {
@@ -29,28 +25,18 @@ export default merge(defaultTheme, {
    color: 'rgb(69, 149, 96)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(25, 193, 73)',
-      borderWidth: 2
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#222',
-    active: {
-      borderColor: 'rgb(25, 193, 73)'
-    }
+    color: '#222'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: 'rgb(251, 158, 0)',
    borderWidth: 2,
-    color: 'rgb(51, 51, 51)',
-    active: {
-      borderColor: 'rgb(25, 193, 73)'
-    }
+    color: 'rgb(51, 51, 51)'
  }
 })
--- a/simple-mind-map/src/themes/lateNightOffice.js
+++ b/simple-mind-map/src/themes/lateNightOffice.js
@@ -18,11 +18,7 @@ export default merge(defaultTheme, {
    color: 'rgb(255, 255, 255)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: 'rgb(255, 119, 34)',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -30,19 +26,12 @@ export default merge(defaultTheme, {
    color: 'rgb(209, 210, 210)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 18,
-    active: {
-      borderColor: 'rgb(255, 119, 34)',
-      borderWidth: 3
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: 'rgb(204, 204, 204)',
-    active: {
-      borderColor: 'rgb(255, 119, 34)'
-    }
+    color: 'rgb(204, 204, 204)'
  },
  // 概要节点样式
  generalization: {
@@ -50,9 +39,6 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(255, 119, 34)',
    borderColor: '',
    borderWidth: 2,
-    color: '#fff',
-    active: {
-      borderColor: 'rgb(23, 153, 243)'
-    }
+    color: '#fff'
  }
 })
--- a/simple-mind-map/src/themes/minions.js
+++ b/simple-mind-map/src/themes/minions.js
@@ -16,10 +16,7 @@ export default merge(defaultTheme, {
  root: {
    fillColor: 'rgb(55, 165, 255)',
    borderColor: 'rgb(51, 51, 51)',
-    borderWidth: 3,
-    active: {
-      borderColor: 'rgb(255, 160, 36)'
-    }
+    borderWidth: 3
  },
  // 二级节点样式
  second: {
@@ -27,26 +24,17 @@ export default merge(defaultTheme, {
    color: '#222',
    borderColor: 'rgb(51, 51, 51)',
    borderWidth: 3,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(55, 165, 255)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#222',
-    active: {
-      borderColor: 'rgb(55, 165, 255)'
-    }
+    color: '#222'
  },
  // 概要节点样式
  generalization: {
    borderColor: '#222',
    borderWidth: 3,
-    color: '#222',
-    active: {
-      borderColor: 'rgb(55, 165, 255)'
-    }
+    color: '#222'
  }
 })
--- a/simple-mind-map/src/themes/mint.js
+++ b/simple-mind-map/src/themes/mint.js
@@ -16,11 +16,7 @@ export default merge(defaultTheme, {
  root: {
    fillColor: 'rgb(0, 192, 184)',
    borderColor: '',
-    borderWidth: 0,
-    active: {
-      borderColor: 'rgb(255, 160, 36)',
-      borderWidth: 3
-    }
+    borderWidth: 0
  },
  // 二级节点样式
  second: {
@@ -28,26 +24,17 @@ export default merge(defaultTheme, {
    color: '#222',
    borderColor: 'rgb(184, 235, 233)',
    borderWidth: 2,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(0, 192, 184)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#222',
-    active: {
-      borderColor: 'rgb(0, 192, 184)'
-    }
+    color: '#222'
  },
  // 概要节点样式
  generalization: {
    fillColor: 'rgb(90, 206, 241)',
    borderColor: 'transparent',
-    color: '#fff',
-    active: {
-      borderColor: 'rgb(0, 192, 184)'
-    }
+    color: '#fff'
  }
 })
--- a/simple-mind-map/src/themes/orangeJuice.js
+++ b/simple-mind-map/src/themes/orangeJuice.js
@@ -18,11 +18,7 @@ export default merge(defaultTheme, {
    color: '#110501',
    borderColor: '#ff6811',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: '#a9a4a9',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -30,18 +26,12 @@ export default merge(defaultTheme, {
    color: '#a9a4a9',
    borderColor: '#ff6811',
    borderWidth: 2,
-    fontSize: 18,
-    active: {
-      borderColor: '#110501'
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: '#a9a4a9',
-    active: {
-      borderColor: '#ff6811'
-    }
+    color: '#a9a4a9'
  },
  // 概要节点样式
  generalization: {
@@ -49,9 +39,6 @@ export default merge(defaultTheme, {
    fillColor: '',
    borderColor: '#ff6811',
    borderWidth: 2,
-    color: '#a9a4a9',
-    active: {
-      borderColor: '#110501'
-    }
+    color: '#a9a4a9'
  }
 })
--- a/simple-mind-map/src/themes/pinkGrape.js
+++ b/simple-mind-map/src/themes/pinkGrape.js
@@ -16,11 +16,7 @@ export default merge(defaultTheme, {
  root: {
    fillColor: 'rgb(139, 109, 225)',
    borderColor: '',
-    borderWidth: 0,
-    active: {
-      borderColor: 'rgb(243, 104, 138)',
-      borderWidth: 2
-    }
+    borderWidth: 0
  },
  // 二级节点样式
  second: {
@@ -28,28 +24,17 @@ export default merge(defaultTheme, {
    color: '#fff',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(139, 109, 225)',
-      borderWidth: 2
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#222',
-    active: {
-      borderColor: 'rgb(139, 109, 225)'
-    }
+    color: '#222'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: 'transparent',
-    color: '#222',
-    active: {
-      borderColor: 'rgb(139, 109, 225)',
-      borderWidth: 2
-    }
+    color: '#222'
  }
 })
--- a/simple-mind-map/src/themes/redSpirit.js
+++ b/simple-mind-map/src/themes/redSpirit.js
@@ -18,11 +18,7 @@ export default merge(defaultTheme, {
    color: 'rgb(255, 233, 157)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 24,
-    active: {
-      borderColor: 'rgb(255, 233, 157)',
-      borderWidth: 3
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -30,18 +26,12 @@ export default merge(defaultTheme, {
    color: 'rgb(211, 58, 21)',
    borderColor: 'rgb(222, 101, 85)',
    borderWidth: 2,
-    fontSize: 18,
-    active: {
-      borderColor: 'rgb(255, 233, 157)'
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: 'rgb(144, 71, 43)',
-    active: {
-      borderColor: 'rgb(255, 233, 157)'
-    }
+    color: 'rgb(144, 71, 43)'
  },
  // 概要节点样式
  generalization: {
@@ -49,9 +39,6 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(255, 247, 211)',
    borderColor: 'rgb(255, 202, 162)',
    borderWidth: 2,
-    color: 'rgb(187, 101, 69)',
-    active: {
-      borderColor: 'rgb(222, 101, 85)'
-    }
+    color: 'rgb(187, 101, 69)'
  }
 })
--- a/simple-mind-map/src/themes/romanticPurple.js
+++ b/simple-mind-map/src/themes/romanticPurple.js
@@ -13,10 +13,7 @@ export default merge(defaultTheme, {
  generalizationLineColor: '#333',
  // 根节点样式
  root: {
-    fillColor: 'rgb(123, 115, 191)',
-    active: {
-      borderColor: 'rgb(61, 57, 96)'
-    }
+    fillColor: 'rgb(123, 115, 191)'
  },
  // 二级节点样式
  second: {
@@ -24,26 +21,17 @@ export default merge(defaultTheme, {
    color: '#333',
    borderColor: 'rgb(123, 115, 191)',
    borderWidth: 1,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(61, 57, 96)'
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#333',
-    active: {
-      borderColor: 'rgb(61, 57, 96)'
-    }
+    color: '#333'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: '#333',
-    color: '#333',
-    active: {
-      borderColor: 'rgb(61, 57, 96)'
-    }
+    color: '#333'
  }
 })
--- a/simple-mind-map/src/themes/simpleBlack.js
+++ b/simple-mind-map/src/themes/simpleBlack.js
@@ -16,10 +16,7 @@ export default merge(defaultTheme, {
    color: 'rgb(34, 34, 34)',
    borderColor: 'rgb(34, 34, 34)',
    borderWidth: 3,
-    fontSize: 24,
-    active: {
-      borderColor: '#a13600'
-    }
+    fontSize: 24
  },
  // 二级节点样式
  second: {
@@ -27,18 +24,12 @@ export default merge(defaultTheme, {
    color: 'rgb(34, 34, 34)',
    borderColor: 'rgb(34, 34, 34)',
    borderWidth: 3,
-    fontSize: 18,
-    active: {
-      borderColor: '#a13600'
-    }
+    fontSize: 18
  },
  // 三级及以下节点样式
  node: {
    fontSize: 14,
-    color: 'rgb(34, 34, 34)',
-    active: {
-      borderColor: '#a13600'
-    }
+    color: 'rgb(34, 34, 34)'
  },
  // 概要节点样式
  generalization: {
@@ -46,9 +37,6 @@ export default merge(defaultTheme, {
    fillColor: 'transparent',
    borderColor: 'rgb(34, 34, 34)',
    borderWidth: 2,
-    color: 'rgb(34, 34, 34)',
-    active: {
-      borderColor: '#a13600'
-    }
+    color: 'rgb(34, 34, 34)'
  }
 })
--- a/simple-mind-map/src/themes/skyGreen.js
+++ b/simple-mind-map/src/themes/skyGreen.js
@@ -17,11 +17,7 @@ export default merge(defaultTheme, {
    fillColor: '#fff',
    borderColor: '',
    borderWidth: 0,
-    color: 'rgb(65, 89, 158)',
-    active: {
-      borderColor: 'rgb(251, 227, 188)',
-      borderWidth: 3
-    }
+    color: 'rgb(65, 89, 158)'
  },
  // 二级节点样式
  second: {
@@ -29,27 +25,17 @@ export default merge(defaultTheme, {
    color: 'rgb(65, 89, 158)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 14,
-    active: {
-      borderColor: '#fff',
-      borderWidth: 2
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: 'rgb(65, 89, 158)',
-    active: {
-      borderColor: 'rgb(251, 227, 188)'
-    }
+    color: 'rgb(65, 89, 158)'
  },
  // 概要节点样式
  generalization: {
    fillColor: '#fff',
    borderColor: 'transparent',
-    color: 'rgb(65, 89, 158)',
-    active: {
-      borderColor: 'rgb(251, 227, 188)'
-    }
+    color: 'rgb(65, 89, 158)'
  }
 })
--- a/simple-mind-map/src/themes/vitalityOrange.js
+++ b/simple-mind-map/src/themes/vitalityOrange.js
@@ -17,11 +17,7 @@ export default merge(defaultTheme, {
    fillColor: 'rgb(255, 112, 52)',
    color: '#fff',
    borderColor: '',
-    borderWidth: 0,
-    active: {
-      borderColor: 'rgb(51, 51, 51)',
-      borderWidth: 3
-    }
+    borderWidth: 0
  },
  // 二级节点样式
  second: {
@@ -29,27 +25,17 @@ export default merge(defaultTheme, {
    color: 'rgb(51, 51, 51)',
    borderColor: '',
    borderWidth: 0,
-    fontSize: 14,
-    active: {
-      borderColor: 'rgb(255, 112, 52)',
-      borderWidth: 2
-    }
+    fontSize: 14
  },
  // 三级及以下节点样式
  node: {
    fontSize: 12,
-    color: '#222',
-    active: {
-      borderColor: 'rgb(255, 112, 52)'
-    }
+    color: '#222'
  },
  // 概要节点样式
  generalization: {
    fillColor: 'rgb(255, 222, 69)',
    borderColor: 'transparent',
-    color: 'rgb(51, 51, 51)',
-    active: {
-      borderColor: 'rgb(255, 112, 52)'
-    }
+    color: 'rgb(51, 51, 51)'
  }
 })
--- a/simple-mind-map/src/utils/Lru.js
+++ b/simple-mind-map/src/utils/Lru.js
@@ -1,39 +1,38 @@
 // LRU缓存类
-export default class CRU {
-    constructor(max) {
-        this.max = max || 1000
-        this.size = 0
-        this.pool = new Map()
-    }
+export default class Lru {
+  constructor(max) {
+    this.max = max || 1000
+    this.size = 0
+    this.pool = new Map()
+  }

-    add(key, value) {
-        // 如果该key是否已经存在，则先删除
-        this.delete(key)
-        this.pool.set(key, value)
-        this.size++
-        // 如果数量超出最大值，则删除最早的
-        if (this.size > this.max) {
-            let keys = this.pool.keys()
-            let last = keys.next()
-            this.delete(last.value)
-        }
-        
+  add(key, value) {
+    // 如果该key是否已经存在，则先删除
+    this.delete(key)
+    this.pool.set(key, value)
+    this.size++
+    // 如果数量超出最大值，则删除最早的
+    if (this.size > this.max) {
+      let keys = this.pool.keys()
+      let last = keys.next()
+      this.delete(last.value)
    }
+  }

-    delete(key) {
-        if (this.pool.has(key)) {
-            this.pool.delete(key)
-            this.size--
-        }
+  delete(key) {
+    if (this.pool.has(key)) {
+      this.pool.delete(key)
+      this.size--
    }
+  }

-    has(key) {
-        return this.pool.has(key)
-    }
+  has(key) {
+    return this.pool.has(key)
+  }

-    get(key) {
-        if (this.pool.has(key)) {
-            return this.pool.get(key)
-        }
+  get(key) {
+    if (this.pool.has(key)) {
+      return this.pool.get(key)
    }
-}
+  }
+}
--- a/simple-mind-map/src/utils/index.js
+++ b/simple-mind-map/src/utils/index.js
@@ -1,5 +1,6 @@
 import { v4 as uuidv4 } from 'uuid'
-
+import { nodeDataNoStylePropList } from '../constants/constant'
+import MersenneTwister from './mersenneTwister'
 //  深度优先遍历树
 export const walk = (
  root,
@@ -166,19 +167,23 @@ export const copyNodeTree = (
  tree,
  root,
  removeActiveState = false,
-  keepId = false
+  removeId = true
 ) => {
  tree.data = simpleDeepClone(root.nodeData ? root.nodeData.data : root.data)
-  // 去除节点id，因为节点id不能重复
-  if (tree.data.id && !keepId) delete tree.data.id
-  if (tree.data.uid) delete tree.data.uid
+  // 移除节点uid
+  if (removeId) {
+    delete tree.data.uid
+  } else if (!tree.data.uid) {
+    // 否则保留或生成
+    tree.data.uid = createUid()
+  }
  if (removeActiveState) {
    tree.data.isActive = false
  }
  tree.children = []
  if (root.children && root.children.length > 0) {
    root.children.forEach((item, index) => {
-      tree.children[index] = copyNodeTree({}, item, removeActiveState, keepId)
+      tree.children[index] = copyNodeTree({}, item, removeActiveState, removeId)
    })
  } else if (
    root.nodeData &&
@@ -186,7 +191,7 @@ export const copyNodeTree = (
    root.nodeData.children.length > 0
  ) {
    root.nodeData.children.forEach((item, index) => {
-      tree.children[index] = copyNodeTree({}, item, removeActiveState, keepId)
+      tree.children[index] = copyNodeTree({}, item, removeActiveState, removeId)
    })
  }
  return tree
@@ -464,7 +469,7 @@ export const removeHTMLEntities = str => {

 // 获取一个数据的类型
 export const getType = data => {
-  return Object.prototype.toString.call(data).slice(7, -1)
+  return Object.prototype.toString.call(data).slice(8, -1)
 }

 // 判断一个数据是否是null和undefined和空字符串
@@ -632,3 +637,287 @@ export const isMobile = () => {
    navigator.userAgent
  )
 }
+
+// 获取对象改变了的的属性
+export const getObjectChangedProps = (oldObject, newObject) => {
+  const res = {}
+  Object.keys(newObject).forEach(prop => {
+    const oldVal = oldObject[prop]
+    const newVal = newObject[prop]
+    if (getType(oldVal) !== getType(newVal)) {
+      res[prop] = newVal
+      return
+    }
+    if (getType(oldVal) === 'Object') {
+      if (JSON.stringify(oldVal) !== JSON.stringify(newVal)) {
+        res[prop] = newVal
+        return
+      }
+    } else {
+      if (oldVal !== newVal) {
+        res[prop] = newVal
+        return
+      }
+    }
+  })
+  return res
+}
+
+// 判断一个字段是否是节点数据中的样式字段
+export const checkIsNodeStyleDataKey = key => {
+  // 用户自定义字段
+  if (/^_/.test(key)) return false
+  // 不在节点非样式字段列表里，那么就是样式字段
+  if (!nodeDataNoStylePropList.includes(key)) {
+    return true
+  }
+  return false
+}
+
+// 合并图标数组
+// const data = [
+//   { type: 'priority', name: '优先级图标', list: [{ name: '1', icon: 'a' }, { name: 2, icon: 'b' }] },
+//   { type: 'priority', name: '优先级图标', list: [{ name: '2', icon: 'c' }, { name: 3, icon: 'd' }] },
+// ];
+
+// mergerIconList(data) 结果
+
+// [
+//   { type: 'priority', name: '优先级图标', list: [{ name: '1', icon: 'a' }, { name: 2, icon: 'c' }, { name: 3, icon: 'd' }] },
+// ]
+export const mergerIconList = list => {
+  return list.reduce((result, item) => {
+    const existingItem = result.find(x => x.type === item.type)
+    if (existingItem) {
+      item.list.forEach(newObj => {
+        const existingObj = existingItem.list.find(x => x.name === newObj.name)
+        if (existingObj) {
+          existingObj.icon = newObj.icon
+        } else {
+          existingItem.list.push(newObj)
+        }
+      })
+    } else {
+      result.push({ ...item })
+    }
+    return result
+  }, [])
+}
+
+// 从节点实例列表里找出顶层的节点
+export const getTopAncestorsFomNodeList = list => {
+  let res = []
+  list.forEach(node => {
+    if (
+      !list.find(item => {
+        return item.uid !== node.uid && item.isParent(node)
+      })
+    ) {
+      res.push(node)
+    }
+  })
+  return res
+}
+
+// 判断两个矩形是否重叠
+export const checkTwoRectIsOverlap = (
+  minx1,
+  maxx1,
+  miny1,
+  maxy1,
+  minx2,
+  maxx2,
+  miny2,
+  maxy2
+) => {
+  return maxx1 > minx2 && maxx2 > minx1 && maxy1 > miny2 && maxy2 > miny1
+}
+
+// 聚焦指定输入框
+export const focusInput = el => {
+  let selection = window.getSelection()
+  let range = document.createRange()
+  range.selectNodeContents(el)
+  range.collapse()
+  selection.removeAllRanges()
+  selection.addRange(range)
+}
+
+// 聚焦全选指定输入框
+export const selectAllInput = el => {
+  let selection = window.getSelection()
+  let range = document.createRange()
+  range.selectNodeContents(el)
+  selection.removeAllRanges()
+  selection.addRange(range)
+}
+
+// 给指定的节点列表树数据添加附加数据，会修改原数据
+export const addDataToAppointNodes = (appointNodes, data = {}) => {
+  const walk = list => {
+    list.forEach(node => {
+      node.data = {
+        ...node.data,
+        ...data
+      }
+      if (node.children && node.children.length > 0) {
+        walk(node.children)
+      }
+    })
+  }
+  walk(appointNodes)
+  return appointNodes
+}
+
+// 给指定的节点列表树数据添加uid，会修改原数据
+// createNewId默认为false，即如果节点不存在uid的话，会创建新的uid。如果传true，那么无论节点数据原来是否存在uid，都会创建新的uid
+export const createUidForAppointNodes = (appointNodes, createNewId = false) => {
+  const walk = list => {
+    list.forEach(node => {
+      if (!node.data) {
+        node.data = {}
+      }
+      if (createNewId || isUndef(node.data.uid)) {
+        node.data.uid = createUid()
+      }
+      if (node.children && node.children.length > 0) {
+        walk(node.children)
+      }
+    })
+  }
+  walk(appointNodes)
+  return appointNodes
+}
+
+// 传入一个数据，如果该数据是数组，那么返回该数组，否则返回一个以该数据为成员的数组
+export const formatDataToArray = data => {
+  if (!data) return []
+  return Array.isArray(data) ? data : [data]
+}
+
+//  获取节点在同级里的位置索引
+export const getNodeDataIndex = node => {
+  return node.parent
+    ? node.parent.nodeData.children.findIndex(item => {
+        return item.data.uid === node.uid
+      })
+    : 0
+}
+
+// 从一个节点列表里找出某个节点的索引
+export const getNodeIndexInNodeList = (node, nodeList) => {
+  return nodeList.findIndex(item => {
+    return item.uid === node.uid
+  })
+}
+
+// 根据内容生成颜色
+export const generateColorByContent = str => {
+  let hash = 0
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash)
+  }
+  // 这里使用伪随机数的原因是因为
+  // 1. 如果字符串的内容差不多，根据hash生产的颜色就比较相近，不好区分，比如v1.1 v1.2，所以需要加入随机数来使得颜色能够区分开
+  // 2. 普通的随机数每次数值不一样，就会导致每次新增标签原来的标签颜色就会发生改变，所以加入了这个方法，使得内容不变随机数也不变
+  const rng = new MersenneTwister(hash)
+  const h = rng.genrand_int32() % 360
+  return 'hsla(' + h + ', 50%, 50%, 1)'
+}
+
+//  html转义
+export const htmlEscape = str => {
+  ;[
+    ['&', '&amp;'],
+    ['<', '&lt;'],
+    ['>', '&gt;']
+  ].forEach(item => {
+    str = str.replace(new RegExp(item[0], 'g'), item[1])
+  })
+  return str
+}
+
+// 判断两个对象是否相同，只处理对象或数组
+export const isSameObject = (a, b) => {
+  const type = getType(a)
+  // a、b类型不一致，那么肯定不相同
+  if (type !== getType(b)) return false
+  // 如果都是对象
+  if (type === 'Object') {
+    const keysa = Object.keys(a)
+    const keysb = Object.keys(b)
+    // 对象字段数量不一样，肯定不相同
+    if (keysa.length !== keysb.length) return false
+    // 字段数量一样，那么需要遍历字段进行判断
+    for (let i = 0; i < keysa.length; i++) {
+      const key = keysa[i]
+      // b没有a的一个字段，那么肯定不相同
+      if (!keysb.includes(key)) return false
+      // 字段名称一样，那么需要递归判断它们的值
+      const isSame = isSameObject(a[key], b[key])
+      if (!isSame) {
+        return false
+      }
+    }
+    return true
+  } else if (type === 'Array') {
+    // 如果都是数组
+    // 数组长度不一样，肯定不相同
+    if (a.length !== b.length) return false
+    // 长度一样，那么需要遍历进行判断
+    for (let i = 0; i < a.length; i++) {
+      const itema = a[i]
+      const itemb = b[i]
+      const typea = getType(itema)
+      const typeb = getType(itemb)
+      if (typea !== typeb) return false
+      const isSame = isSameObject(itema, itemb)
+      if (!isSame) {
+        return false
+      }
+    }
+    return true
+  } else {
+    // 其他类型，直接全等判断
+    return a === b
+  }
+}
+
+// 将数据设置到用户剪切板中
+export const setDataToClipboard = data => {
+  if (navigator.clipboard) {
+    navigator.clipboard.writeText(JSON.stringify(data))
+  }
+}
+
+// 从用户剪贴板中读取文字和图片
+export const getDataFromClipboard = async () => {
+  let text = null
+  let img = null
+  if (navigator.clipboard) {
+    text = await navigator.clipboard.readText()
+    const items = await navigator.clipboard.read()
+    if (items && items.length > 0) {
+      for (const clipboardItem of items) {
+        for (const type of clipboardItem.types) {
+          if (/^image\//.test(type)) {
+            img = await clipboardItem.getType(type)
+            break
+          }
+        }
+      }
+    }
+  }
+  return {
+    text,
+    img
+  }
+}
+
+// 从节点的父节点的nodeData.children列表中移除该节点的数据
+export const removeFromParentNodeData = node => {
+  if (!node || !node.parent) return
+  const index = getNodeDataIndex(node)
+  if (index === -1) return
+  node.parent.nodeData.children.splice(index, 1)
+}
--- a/simple-mind-map/src/utils/mersenneTwister.js
+++ b/simple-mind-map/src/utils/mersenneTwister.js
@@ -0,0 +1,65 @@
+/**
+ * @description 为了保证相同的内容每次生成的随机数都是一样的，我们可以使用一个伪随机数生成器（PRNG），并使用内容的哈希值作为种子。以下是一个使用Mersenne Twister算法的PRNG的实现：
+ *
+ * @param {*} seed
+ */
+
+export default function MersenneTwister(seed) {
+  this.N = 624
+  this.M = 397
+  this.MATRIX_A = 0x9908b0df
+  this.UPPER_MASK = 0x80000000
+  this.LOWER_MASK = 0x7fffffff
+
+  this.mt = new Array(this.N)
+  this.mti = this.N + 1
+
+  this.init_genrand(seed)
+}
+
+MersenneTwister.prototype.init_genrand = function (s) {
+  this.mt[0] = s >>> 0
+  for (this.mti = 1; this.mti < this.N; this.mti++) {
+    s = this.mt[this.mti - 1] ^ (this.mt[this.mti - 1] >>> 30)
+    this.mt[this.mti] =
+      ((((s & 0xffff0000) >>> 16) * 1812433253) << 16) +
+      (s & 0x0000ffff) * 1812433253 +
+      this.mti
+    this.mt[this.mti] >>>= 0
+  }
+}
+
+MersenneTwister.prototype.genrand_int32 = function () {
+  var y
+  var mag01 = new Array(0x0, this.MATRIX_A)
+
+  if (this.mti >= this.N) {
+    var kk
+
+    if (this.mti == this.N + 1) this.init_genrand(5489)
+
+    for (kk = 0; kk < this.N - this.M; kk++) {
+      y = (this.mt[kk] & this.UPPER_MASK) | (this.mt[kk + 1] & this.LOWER_MASK)
+      this.mt[kk] = this.mt[kk + this.M] ^ (y >>> 1) ^ mag01[y & 0x1]
+    }
+
+    for (; kk < this.N - 1; kk++) {
+      y = (this.mt[kk] & this.UPPER_MASK) | (this.mt[kk + 1] & this.LOWER_MASK)
+      this.mt[kk] = this.mt[kk + (this.M - this.N)] ^ (y >>> 1) ^ mag01[y & 0x1]
+    }
+
+    y = (this.mt[this.N - 1] & this.UPPER_MASK) | (this.mt[0] & this.LOWER_MASK)
+    this.mt[this.N - 1] = this.mt[this.M - 1] ^ (y >>> 1) ^ mag01[y & 0x1]
+
+    this.mti = 0
+  }
+
+  y = this.mt[this.mti++]
+
+  y ^= y >>> 11
+  y ^= (y << 7) & 0x9d2c5680
+  y ^= (y << 15) & 0xefc60000
+  y ^= y >>> 18
+
+  return y >>> 0
+}
--- a/simple-mind-map/src/utils/simulateCSSBackgroundInCanvas.js
+++ b/simple-mind-map/src/utils/simulateCSSBackgroundInCanvas.js
@@ -351,4 +351,4 @@ const drawBackgroundImageToCanvas = (
  }
 }

-export default drawBackgroundImageToCanvas
+export default drawBackgroundImageToCanvas
--- a/simple-mind-map/types/index.d.ts
+++ b/simple-mind-map/types/index.d.ts
@@ -0,0 +1,188 @@
+export default MindMap;
+declare class MindMap {
+    /**
+     *
+     * @param {defaultOpt} opt
+     */
+    constructor(opt?: {
+        readonly: boolean;
+        layout: string;
+        fishboneDeg: number;
+        theme: string;
+        themeConfig: {};
+        scaleRatio: number;
+        mouseScaleCenterUseMousePosition: boolean;
+        maxTag: number;
+        expandBtnSize: number;
+        imgTextMargin: number;
+        textContentMargin: number;
+        selectTranslateStep: number;
+        selectTranslateLimit: number;
+        customNoteContentShow: any;
+        enableFreeDrag: boolean;
+        watermarkConfig: {
+            text: string;
+            lineSpacing: number;
+            textSpacing: number;
+            angle: number;
+            textStyle: {
+                color: string;
+                opacity: number;
+                fontSize: number;
+            };
+        };
+        textAutoWrapWidth: number;
+        customHandleMousewheel: any;
+        mousewheelAction: string;
+        mousewheelMoveStep: number;
+        mousewheelZoomActionReverse: boolean;
+        defaultInsertSecondLevelNodeText: string;
+        defaultInsertBelowSecondLevelNodeText: string;
+        expandBtnStyle: {
+            color: string;
+            fill: string;
+            fontSize: number;
+            strokeColor: string;
+        };
+        expandBtnIcon: {
+            open: string;
+            close: string;
+        };
+        expandBtnNumHandler: (num: any) => any;
+        isShowExpandNum: boolean;
+        enableShortcutOnlyWhenMouseInSvg: boolean;
+        initRootNodePosition: any;
+        exportPaddingX: number;
+        exportPaddingY: number;
+        nodeTextEditZIndex: number;
+        nodeNoteTooltipZIndex: number;
+        isEndNodeTextEditOnClickOuter: boolean;
+        maxHistoryCount: number;
+        alwaysShowExpandBtn: boolean;
+        iconList: any[];
+        maxNodeCacheCount: number;
+        defaultAssociativeLineText: string;
+        fitPadding: number;
+        enableCtrlKeyNodeSelection: boolean;
+        useLeftKeySelectionRightKeyDrag: boolean;
+        beforeTextEdit: any;
+        isUseCustomNodeContent: boolean;
+        customCreateNodeContent: any;
+        customInnerElsAppendTo: any;
+        nodeDragPlaceholderMaxSize: number;
+        enableAutoEnterTextEditWhenKeydown: boolean;
+        richTextEditFakeInPlace: boolean;
+        customHandleClipboardText: any;
+        disableMouseWheelZoom: boolean;
+        errorHandler: (code: any, error: any) => void;
+        resetCss: string;
+        enableDblclickBackToRootNode: boolean;
+        minExportImgCanvasScale: number;
+        hoverRectColor: string;
+        hoverRectPadding: number;
+        selectTextOnEnterEditText: boolean;
+        deleteNodeActive: boolean;
+        autoMoveWhenMouseInEdgeOnDrag: boolean;
+        fit: boolean;
+        dragMultiNodeRectConfig: {
+            width: number;
+            height: number;
+            fill: string;
+        };
+        dragPlaceholderRectFill: string;
+        dragOpacityConfig: {
+            cloneNodeOpacity: number;
+            beingDragNodeOpacity: number;
+        };
+        tagsColorMap: {};
+        cooperateStyle: {
+            avatarSize: number;
+            fontSize: number;
+        };
+        associativeLineIsAlwaysAboveNode: boolean;
+        defaultGeneralizationText: string;
+        handleIsSplitByWrapOnPasteCreateNewNode: any;
+        addHistoryTime: number;
+    });
+    opt: any;
+    el: any;
+    cssEl: HTMLStyleElement;
+    event: Event;
+    keyCommand: KeyCommand;
+    command: Command;
+    renderer: Render;
+    view: View;
+    batchExecution: BatchExecution;
+    handleOpt(opt: any): any;
+    initContainer(): void;
+    associativeLineDraw: any;
+    svg: any;
+    draw: any;
+    lineDraw: any;
+    nodeDraw: any;
+    otherDraw: any;
+    clearDraw(): void;
+    addCss(): void;
+    removeCss(): void;
+    render(callback: any, source?: string): void;
+    reRender(callback: any, source?: string): void;
+    getElRectInfo(): void;
+    elRect: any;
+    width: any;
+    height: any;
+    resize(): void;
+    on(event: any, fn: any): void;
+    emit(event: any, ...args: any[]): void;
+    off(event: any, fn: any): void;
+    initCache(): void;
+    initTheme(): void;
+    themeConfig: any;
+    setTheme(theme: any, notRender?: boolean): void;
+    getTheme(): any;
+    setThemeConfig(config: any, notRender?: boolean): void;
+    getCustomThemeConfig(): any;
+    getThemeConfig(prop: any): any;
+    getConfig(prop: any): any;
+    updateConfig(opt?: {}): void;
+    getLayout(): any;
+    setLayout(layout: any, notRender?: boolean): void;
+    execCommand(...args: any[]): void;
+    setData(data: any): void;
+    setFullData(data: any): void;
+    getData(withConfig: any): any;
+    export(...args: any[]): Promise<any>;
+    toPos(x: any, y: any): {
+        x: number;
+        y: number;
+    };
+    setMode(mode: any): void;
+    getSvgData({ paddingX, paddingY, ignoreWatermark }?: {
+        paddingX?: number;
+        paddingY?: number;
+        ignoreWatermark?: boolean;
+    }): {
+        svg: any;
+        svgHTML: any;
+        rect: any;
+        origWidth: any;
+        origHeight: any;
+        scaleX: any;
+        scaleY: any;
+    };
+    addPlugin(plugin: any, opt: any): void;
+    removePlugin(plugin: any): void;
+    initPlugin(plugin: any): void;
+    destroy(): void;
+}
+declare namespace MindMap {
+    const pluginList: any[];
+    function usePlugin(plugin: any, opt?: {}): typeof MindMap;
+    function hasPlugin(plugin: any): number;
+    function defineTheme(name: any, config?: {}): Error;
+}
+import Event from "./src/core/event/Event";
+import KeyCommand from "./src/core/command/KeyCommand";
+import Command from "./src/core/command/Command";
+import Render from "./src/core/render/Render";
+import View from "./src/core/view/View";
+import BatchExecution from "./src/utils/BatchExecution";
--- a/simple-mind-map/types/src/constants/constant.d.ts
+++ b/simple-mind-map/types/src/constants/constant.d.ts
@@ -0,0 +1,109 @@
+export const themeList: {
+    name: string;
+    value: string;
+    dark: boolean;
+}[];
+export namespace CONSTANTS {
+    const CHANGE_THEME: string;
+    const CHANGE_LAYOUT: string;
+    const SET_DATA: string;
+    const TRANSFORM_TO_NORMAL_NODE: string;
+    namespace MODE {
+        const READONLY: string;
+        const EDIT: string;
+    }
+    namespace LAYOUT {
+        const LOGICAL_STRUCTURE: string;
+        const MIND_MAP: string;
+        const ORGANIZATION_STRUCTURE: string;
+        const CATALOG_ORGANIZATION: string;
+        const TIMELINE: string;
+        const TIMELINE2: string;
+        const FISHBONE: string;
+        const VERTICAL_TIMELINE: string;
+    }
+    namespace DIR {
+        const UP: string;
+        const LEFT: string;
+        const DOWN: string;
+        const RIGHT: string;
+    }
+    namespace KEY_DIR {
+        const LEFT_1: string;
+        export { LEFT_1 as LEFT };
+        const UP_1: string;
+        export { UP_1 as UP };
+        const RIGHT_1: string;
+        export { RIGHT_1 as RIGHT };
+        const DOWN_1: string;
+        export { DOWN_1 as DOWN };
+    }
+    namespace SHAPE {
+        const RECTANGLE: string;
+        const DIAMOND: string;
+        const PARALLELOGRAM: string;
+        const ROUNDED_RECTANGLE: string;
+        const OCTAGONAL_RECTANGLE: string;
+        const OUTER_TRIANGULAR_RECTANGLE: string;
+        const INNER_TRIANGULAR_RECTANGLE: string;
+        const ELLIPSE: string;
+        const CIRCLE: string;
+    }
+    namespace MOUSE_WHEEL_ACTION {
+        const ZOOM: string;
+        const MOVE: string;
+    }
+    namespace INIT_ROOT_NODE_POSITION {
+        const LEFT_2: string;
+        export { LEFT_2 as LEFT };
+        export const TOP: string;
+        const RIGHT_2: string;
+        export { RIGHT_2 as RIGHT };
+        export const BOTTOM: string;
+        export const CENTER: string;
+    }
+    namespace LAYOUT_GROW_DIR {
+        const LEFT_3: string;
+        export { LEFT_3 as LEFT };
+        const TOP_1: string;
+        export { TOP_1 as TOP };
+        const RIGHT_3: string;
+        export { RIGHT_3 as RIGHT };
+        const BOTTOM_1: string;
+        export { BOTTOM_1 as BOTTOM };
+    }
+    namespace PASTE_TYPE {
+        const CLIP_BOARD: string;
+        const CANVAS: string;
+    }
+    namespace SCROLL_BAR_DIR {
+        const VERTICAL: string;
+        const HORIZONTAL: string;
+    }
+}
+export const initRootNodePositionMap: {
+    [x: string]: number;
+};
+export const layoutList: {
+    name: string;
+    value: string;
+}[];
+export const layoutValueList: string[];
+export const nodeDataNoStylePropList: string[];
+export namespace commonCaches {
+    const measureCustomNodeContentSizeEl: any;
+    const measureRichtextNodeTextSizeEl: any;
+}
+export namespace ERROR_TYPES {
+    const READ_CLIPBOARD_ERROR: string;
+    const PARSE_PASTE_DATA_ERROR: string;
+    const CUSTOM_HANDLE_CLIPBOARD_TEXT_ERROR: string;
+    const LOAD_CLIPBOARD_IMAGE_ERROR: string;
+    const BEFORE_TEXT_EDIT_ERROR: string;
+    const EXPORT_ERROR: string;
+}
+export namespace a4Size {
+    const width: number;
+    const height: number;
+}
+export const cssContent: "\n  /* 鼠标hover和激活时渲染的矩形 */\n  .smm-hover-node{\n    display: none;\n    opacity: 0.6;\n    stroke-width: 1;\n  }\n\n  .smm-node:not(.smm-node-dragging):hover .smm-hover-node{\n    display: block;\n  }\n\n  .smm-node.active .smm-hover-node{\n    display: block;\n    opacity: 1;\n    stroke-width: 2;\n  }\n";
--- a/simple-mind-map/types/src/constants/defaultOptions.d.ts
+++ b/simple-mind-map/types/src/constants/defaultOptions.d.ts
@@ -0,0 +1,104 @@
+export namespace defaultOpt {
+    const readonly: boolean;
+    const layout: string;
+    const fishboneDeg: number;
+    const theme: string;
+    const themeConfig: {};
+    const scaleRatio: number;
+    const mouseScaleCenterUseMousePosition: boolean;
+    const maxTag: number;
+    const expandBtnSize: number;
+    const imgTextMargin: number;
+    const textContentMargin: number;
+    const selectTranslateStep: number;
+    const selectTranslateLimit: number;
+    const customNoteContentShow: any;
+    const enableFreeDrag: boolean;
+    namespace watermarkConfig {
+        const text: string;
+        const lineSpacing: number;
+        const textSpacing: number;
+        const angle: number;
+        namespace textStyle {
+            const color: string;
+            const opacity: number;
+            const fontSize: number;
+        }
+    }
+    const textAutoWrapWidth: number;
+    const customHandleMousewheel: any;
+    const mousewheelAction: string;
+    const mousewheelMoveStep: number;
+    const mousewheelZoomActionReverse: boolean;
+    const defaultInsertSecondLevelNodeText: string;
+    const defaultInsertBelowSecondLevelNodeText: string;
+    namespace expandBtnStyle {
+        const color_1: string;
+        export { color_1 as color };
+        export const fill: string;
+        const fontSize_1: number;
+        export { fontSize_1 as fontSize };
+        export const strokeColor: string;
+    }
+    namespace expandBtnIcon {
+        const open: string;
+        const close: string;
+    }
+    function expandBtnNumHandler(num: any): any;
+    const isShowExpandNum: boolean;
+    const enableShortcutOnlyWhenMouseInSvg: boolean;
+    const initRootNodePosition: any;
+    const exportPaddingX: number;
+    const exportPaddingY: number;
+    const nodeTextEditZIndex: number;
+    const nodeNoteTooltipZIndex: number;
+    const isEndNodeTextEditOnClickOuter: boolean;
+    const maxHistoryCount: number;
+    const alwaysShowExpandBtn: boolean;
+    const iconList: any[];
+    const maxNodeCacheCount: number;
+    const defaultAssociativeLineText: string;
+    const fitPadding: number;
+    const enableCtrlKeyNodeSelection: boolean;
+    const useLeftKeySelectionRightKeyDrag: boolean;
+    const beforeTextEdit: any;
+    const isUseCustomNodeContent: boolean;
+    const customCreateNodeContent: any;
+    const customInnerElsAppendTo: any;
+    const nodeDragPlaceholderMaxSize: number;
+    const enableAutoEnterTextEditWhenKeydown: boolean;
+    const richTextEditFakeInPlace: boolean;
+    const customHandleClipboardText: any;
+    const disableMouseWheelZoom: boolean;
+    function errorHandler(code: any, error: any): void;
+    const resetCss: string;
+    const enableDblclickBackToRootNode: boolean;
+    const minExportImgCanvasScale: number;
+    const hoverRectColor: string;
+    const hoverRectPadding: number;
+    const selectTextOnEnterEditText: boolean;
+    const deleteNodeActive: boolean;
+    const autoMoveWhenMouseInEdgeOnDrag: boolean;
+    const fit: boolean;
+    namespace dragMultiNodeRectConfig {
+        export const width: number;
+        export const height: number;
+        const fill_1: string;
+        export { fill_1 as fill };
+    }
+    const dragPlaceholderRectFill: string;
+    namespace dragOpacityConfig {
+        const cloneNodeOpacity: number;
+        const beingDragNodeOpacity: number;
+    }
+    const tagsColorMap: {};
+    namespace cooperateStyle {
+        export const avatarSize: number;
+        const fontSize_2: number;
+        export { fontSize_2 as fontSize };
+    }
+    const associativeLineIsAlwaysAboveNode: boolean;
+    const defaultGeneralizationText: string;
+    const handleIsSplitByWrapOnPasteCreateNewNode: any;
+    const addHistoryTime: number;
+}
--- a/simple-mind-map/types/src/core/command/Command.d.ts
+++ b/simple-mind-map/types/src/core/command/Command.d.ts
@@ -0,0 +1,19 @@
+export default Command;
+declare class Command {
+    constructor(opt?: {});
+    opt: {};
+    mindMap: any;
+    commands: {};
+    history: any[];
+    activeHistoryIndex: number;
+    addHistory(): void;
+    clearHistory(): void;
+    registerShortcutKeys(): void;
+    exec(name: any, ...args: any[]): void;
+    add(name: any, fn: any): void;
+    remove(name: any, fn: any): void;
+    back(step?: number): any;
+    forward(step?: number): any;
+    getCopyData(): any;
+    removeDataUid(data: any): any;
+}
--- a/simple-mind-map/types/src/core/command/KeyCommand.d.ts
+++ b/simple-mind-map/types/src/core/command/KeyCommand.d.ts
@@ -0,0 +1,26 @@
+export default class KeyCommand {
+    constructor(opt: any);
+    opt: any;
+    mindMap: any;
+    shortcutMap: {};
+    shortcutMapCache: {};
+    isPause: boolean;
+    isInSvg: boolean;
+    pause(): void;
+    recovery(): void;
+    save(): void;
+    restore(): void;
+    bindEvent(): void;
+    checkKey(e: any, key: any): boolean;
+    getOriginEventCodeArr(e: any): any[];
+    hasCombinationKey(e: any): any;
+    getKeyCodeArr(key: any): any[];
+    /**
+     * Enter
+     * Tab | Insert
+     * Shift + a
+     */
+    addShortcut(key: any, fn: any): void;
+    removeShortcut(key: any, fn: any): void;
+    getShortcutFn(key: any): any[];
+}
--- a/simple-mind-map/types/src/core/command/keyMap.d.ts
+++ b/simple-mind-map/types/src/core/command/keyMap.d.ts
@@ -0,0 +1,42 @@
+export const keyMap: {
+    Backspace: number;
+    Tab: number;
+    Enter: number;
+    Shift: number;
+    Control: number;
+    Alt: number;
+    CapsLock: number;
+    Esc: number;
+    Spacebar: number;
+    PageUp: number;
+    PageDown: number;
+    End: number;
+    Home: number;
+    Insert: number;
+    Left: number;
+    Up: number;
+    Right: number;
+    Down: number;
+    Del: number;
+    NumLock: number;
+    Cmd: number;
+    CmdFF: number;
+    F1: number;
+    F2: number;
+    F3: number;
+    F4: number;
+    F5: number;
+    F6: number;
+    F7: number;
+    F8: number;
+    F9: number;
+    F10: number;
+    F11: number;
+    F12: number;
+    '`': number;
+    '=': number;
+    '-': number;
+    '/': number;
+    '.': number;
+};
+export function isKey(e: any, key: any): boolean;
--- a/Show More
+++ b/Show More