Merge pull request #152 from F-star/feat/scale-in-wheel-curor

Feat: 支持滚轮情况下，以光标为中心进行缩放
2026-02-19 23:08:32 +08:00 · 2023-06-27 08:47:40 +08:00 · 2023-06-26 13:32:33 +00:00 · 2023-06-26 16:20:38 +08:00 · 2023-06-26 16:15:20 +08:00 · 2023-06-26 15:57:45 +08:00
243 changed files with 11966 additions and 1725 deletions
--- a/21
+++ b/21
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2021-2023 The MindMap Team
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/README.md
+++ b/README.md
@@ -7,16 +7,28 @@
 [![GitHub forks](https://img.shields.io/github/forks/wanglin2/mind-map)](https://github.com/wanglin2/mind-map/network/members)
 ![license](https://img.shields.io/npm/l/express.svg)

-> 一个简单&强大的Web思维导图库
+> 一个简单&强大的Web思维导图

-Demo：[https://wanglin2.github.io/mind-map/](https://wanglin2.github.io/mind-map/)
+本项目包含两部分：

-文档：[https://wanglin2.github.io/mind-map/#/doc/zh/](https://wanglin2.github.io/mind-map/#/doc/zh/)
+1.一个js思维导图库，不依赖任何框架，你可以使用它来快速完成Web思维导图产品的开发。
+
+开发文档：[https://wanglin2.github.io/mind-map/#/doc/zh/](https://wanglin2.github.io/mind-map/#/doc/zh/)
+
+2.一个Web思维导图，基于思维导图库、Vue2.x、ElementUI开发，可以操作电脑本地文件，所以你可以直接把它当做一个在线版思维导图应用使用，如果觉得github的响应速度慢，你也可以部署到你的服务器上。
+
+在线地址：[https://wanglin2.github.io/mind-map/](https://wanglin2.github.io/mind-map/)
+
+另外也提供了客户端可供下载使用，支持`Windows`、`Mac`及`Linux`，下载地址：
+
+Github：[releases](https://github.com/wanglin2/mind-map/releases)。
+
+百度云盘：[地址](https://pan.baidu.com/s/1huasEbKsGNH2Af68dvWiOg?pwd=3bp3)。

 # 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，减小整体体积
- [x] 支持逻辑结构图、思维导图、组织结构图、目录组织图四种结构
+- [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、鱼骨图六种结构
 - [x] 内置多种主题，允许高度自定义样式，支持注册新主题
 - [x] 支持快捷键
 - [x] 节点内容支持图片、图标、超链接、备注、标签、概要
@@ -37,10 +49,23 @@ npm i simple-mind-map

 # 使用

+提供一个宽高不为0的容器元素：
+
 ```html
 <div id="mindMapContainer"></div>
 ```

+另外再设置一下`css`样式：
+
+```css
+#mindMapContainer * {
+  margin: 0;
+  padding: 0;
+}
+```
+
+然后创建一个实例：
+
 ```js
 import MindMap from "simple-mind-map";

@@ -55,10 +80,27 @@ const mindMap = new MindMap({
 });
 ```

+即可得到一个思维导图。
+
+想要实现更多功能？可以查看[开发文档](https://wanglin2.github.io/mind-map/#/doc/zh/)。
+
 # License

 MIT

 # 微信交流群

-![](./qrcode.jpg)
+<img src="./qrcode.jpg" style="width: 300px" />
+
+如果已过期，可以微信添加`wanglinguanfang`拉你入群。
+
+# 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
+
+> 转账请备注哦~你的头像和名称会出现在[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)
+
+<p>
+  <img src="./web/src/assets/img/alipay.jpg" style="width: 300px" />
+  <img src="./web/src/assets/img/wechat.jpg" style="width: 300px" />
+</p>
--- a/index.html
+++ b/index.html
--- a/qrcode.jpg
+++ b/qrcode.jpg
--- a/simple-mind-map/full.js
+++ b/simple-mind-map/full.js
@@ -1,23 +1,27 @@
 import MindMap from './index'
-import MiniMap from './src/MiniMap.js'
-import Watermark from './src/Watermark.js'
-import KeyboardNavigation from './src/KeyboardNavigation.js'
-import Export from './src/Export.js'
-import Drag from './src/Drag.js'
-import Select from './src/Select.js'
-import AssociativeLine from './src/AssociativeLine'
-import RichText from './src/RichText'
+import MiniMap from './src/plugins/MiniMap.js'
+import Watermark from './src/plugins/Watermark.js'
+import KeyboardNavigation from './src/plugins/KeyboardNavigation.js'
+import ExportPDF from './src/plugins/ExportPDF.js'
+import Export from './src/plugins/Export.js'
+import Drag from './src/plugins/Drag.js'
+import Select from './src/plugins/Select.js'
+import AssociativeLine from './src/plugins/AssociativeLine'
+import RichText from './src/plugins/RichText'
 import xmind from './src/parse/xmind.js'
 import markdown from './src/parse/markdown.js'
+import icons from './src/svg/icons.js'

 MindMap.xmind = xmind
 MindMap.markdown = markdown
+MindMap.iconList = icons.nodeIconList

 MindMap
  .usePlugin(MiniMap)
  .usePlugin(Watermark)
  .usePlugin(Drag)
  .usePlugin(KeyboardNavigation)
+  .usePlugin(ExportPDF)
  .usePlugin(Export)
  .usePlugin(Select)
  .usePlugin(AssociativeLine)
--- a/simple-mind-map/index.js
+++ b/simple-mind-map/index.js
@@ -1,89 +1,17 @@
-import View from './src/View'
-import Event from './src/Event'
-import Render from './src/Render'
+import View from './src/core/view/View'
+import Event from './src/core/event/Event'
+import Render from './src/core/render/Render'
 import merge from 'deepmerge'
 import theme from './src/themes'
-import Style from './src/Style'
-import KeyCommand from './src/KeyCommand'
-import Command from './src/Command'
-import BatchExecution from './src/BatchExecution'
-import { layoutValueList, CONSTANTS } from './src/utils/constant'
+import Style from './src/core/render/node/Style'
+import KeyCommand from './src/core/command/KeyCommand'
+import Command from './src/core/command/Command'
+import BatchExecution from './src/utils/BatchExecution'
+import { layoutValueList, CONSTANTS } from './src/constants/constant'
 import { SVG } from '@svgdotjs/svg.js'
 import { simpleDeepClone } from './src/utils'
-import defaultTheme from './src/themes/default'
-
-// 默认选项配置
-const defaultOpt = {
-  // 是否只读
-  readonly: false,
-  // 布局
-  layout: CONSTANTS.LAYOUT.LOGICAL_STRUCTURE,
-  // 主题
-  theme: 'default', // 内置主题：default（默认主题）
-  // 主题配置，会和所选择的主题进行合并
-  themeConfig: {},
-  // 放大缩小的增量比例
-  scaleRatio: 0.1,
-  // 最多显示几个标签
-  maxTag: 5,
-  // 导出图片时的内边距
-  exportPadding: 20,
-  // 展开收缩按钮尺寸
-  expandBtnSize: 20,
-  // 节点里图片和文字的间距
-  imgTextMargin: 5,
-  // 节点里各种文字信息的间距，如图标和文字的间距
-  textContentMargin: 2,
-  // 多选节点时鼠标移动到边缘时的画布移动偏移量
-  selectTranslateStep: 3,
-  // 多选节点时鼠标移动距边缘多少距离时开始偏移
-  selectTranslateLimit: 20,
-  // 自定义节点备注内容显示
-  customNoteContentShow: null,
-  /*
-        {
-            show(){},
-            hide(){}
-        }
-    */
-  // 是否开启节点自由拖拽
-  enableFreeDrag: false,
-  // 水印配置
-  watermarkConfig: {
-    text: '',
-    lineSpacing: 100,
-    textSpacing: 100,
-    angle: 30,
-    textStyle: {
-      color: '#999',
-      opacity: 0.5,
-      fontSize: 14
-    }
-  },
-  // 达到该宽度文本自动换行
-  textAutoWrapWidth: 500,
-  // 自定义鼠标滚轮事件处理
-  // 可以传一个函数，回调参数为事件对象
-  customHandleMousewheel: null,
-  // 鼠标滚动的行为，如果customHandleMousewheel传了自定义函数，这个属性不生效
-  mousewheelAction: CONSTANTS.MOUSE_WHEEL_ACTION.ZOOM,// zoom（放大缩小）、move（上下移动）
-  // 当mousewheelAction设为move时，可以通过该属性控制鼠标滚动一下视图移动的步长，单位px
-  mousewheelMoveStep: 100,
-  // 默认插入的二级节点的文字
-  defaultInsertSecondLevelNodeText: '二级节点',
-  // 默认插入的二级以下节点的文字
-  defaultInsertBelowSecondLevelNodeText: '分支主题',
-  // 展开收起按钮的颜色
-  expandBtnStyle: {
-    color: '#808080',
-    fill: '#fff'
-  },
-  // 自定义展开收起按钮的图标
-  expandBtnIcon: {
-    open: '',// svg字符串
-    close: ''
-  }
-}
+import defaultTheme, { checkIsNodeSizeIndependenceConfig } from './src/themes/default'
+import { defaultOpt } from './src/constants/defaultOptions'

 //  思维导图
 class MindMap {
@@ -172,12 +100,12 @@ class MindMap {
  }

  //  重新渲染
-  reRender(callback) {
+  reRender(callback, source = '') {
    this.batchExecution.push('render', () => {
      this.draw.clear()
      this.initTheme()
      this.renderer.reRender = true
-      this.renderer.render(callback)
+      this.renderer.render(callback, source)
    })
  }

@@ -227,7 +155,9 @@ class MindMap {
  //  设置主题配置
  setThemeConfig(config) {
    this.opt.themeConfig = config
-    this.render(null, CONSTANTS.CHANGE_THEME)
+    // 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)
  }

  //  获取自定义主题配置
@@ -262,6 +192,7 @@ class MindMap {
      layout = CONSTANTS.LAYOUT.LOGICAL_STRUCTURE
    }
    this.opt.layout = layout
+    this.view.reset()
    this.renderer.setLayout()
    this.render()
  }
@@ -276,8 +207,12 @@ class MindMap {
    this.execCommand('CLEAR_ACTIVE_NODE')
    this.command.clearHistory()
    this.command.addHistory()
-    this.renderer.renderTree = data
-    this.reRender()
+    if (this.richText) {
+      this.renderer.renderTree = this.richText.handleSetData(data)
+    } else {
+      this.renderer.renderTree = data
+    }
+    this.reRender(() => {}, CONSTANTS.SET_DATA)
  }

  //  动态设置思维导图数据，包括节点数据、布局、主题、视图
@@ -303,7 +238,7 @@ class MindMap {

  //  获取思维导图数据，节点树、主题、布局等
  getData(withConfig) {
-    let nodeData = this.command.getCopyData()
+    let nodeData = this.command.removeDataUid(this.command.getCopyData())
    let data = {}
    if (withConfig) {
      data = {
@@ -349,7 +284,7 @@ class MindMap {
  }

  // 获取svg数据
-  getSvgData() {
+  getSvgData({ paddingX = 0, paddingY = 0 } = {}) {
    const svg = this.svg
    const draw = this.draw
    // 保存原始信息
@@ -361,6 +296,10 @@ class MindMap {
    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
    const rect = draw.rbox()
+    // 内边距
+    rect.width += paddingX
+    rect.height += paddingY
+    draw.translate(paddingX / 2, paddingY / 2)
    // 将svg设置为实际内容的宽高
    svg.size(rect.width, rect.height)
    // 把实际内容变换
@@ -425,6 +364,21 @@ class MindMap {
      pluginOpt: plugin.pluginOpt
    })
  }
+
+  // 销毁
+  destroy() {
+    // 移除插件
+    [...MindMap.pluginList].forEach((plugin) => {
+      this[plugin.instanceName] = null
+    })
+    // 解绑事件
+    this.event.unbind()
+    // 移除画布节点
+    this.svg.remove()
+    // 去除给容器元素设置的背景样式
+    Style.removeBackgroundStyle(this.el)
+    this.el = null
+  }
 }

 // 插件列表
--- a/simple-mind-map/package-lock.json
+++ b/simple-mind-map/package-lock.json
@@ -1,15 +1,14 @@
 {
  "name": "simple-mind-map",
-  "version": "0.4.7",
+  "version": "0.6.0",
  "lockfileVersion": 2,
  "requires": true,
  "packages": {
    "": {
-      "version": "0.4.7",
+      "version": "0.6.0",
      "license": "MIT",
      "dependencies": {
        "@svgdotjs/svg.js": "^3.0.16",
-        "canvg": "^3.0.7",
        "deepmerge": "^1.5.2",
        "eventemitter3": "^4.0.7",
        "html2canvas": "^1.4.1",
@@ -160,7 +159,8 @@
    "node_modules/@types/raf": {
      "version": "3.4.0",
      "resolved": "https://registry.npmjs.org/@types/raf/-/raf-3.4.0.tgz",
-      "integrity": "sha512-taW5/WYqo36N7V39oYyHP9Ipfd5pNFvGTIQsNGj86xV88YQ7GnI30/yMfKDF7Zgin0m3e+ikX88FvImnK4RjGw=="
+      "integrity": "sha512-taW5/WYqo36N7V39oYyHP9Ipfd5pNFvGTIQsNGj86xV88YQ7GnI30/yMfKDF7Zgin0m3e+ikX88FvImnK4RjGw==",
+      "optional": true
    },
    "node_modules/@types/unist": {
      "version": "2.0.6",
@@ -305,6 +305,7 @@
      "version": "3.0.10",
      "resolved": "https://registry.npmjs.org/canvg/-/canvg-3.0.10.tgz",
      "integrity": "sha512-qwR2FRNO9NlzTeKIPIKpnTY6fqwuYSequ8Ru8c0YkYU7U0oW+hLUvWadLvAu1Rl72OMNiFhoLu4f8eUjQ7l/+Q==",
+      "optional": true,
      "dependencies": {
        "@babel/runtime": "^7.12.5",
        "@types/raf": "^3.4.0",
@@ -381,6 +382,7 @@
      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.27.1.tgz",
      "integrity": "sha512-GutwJLBChfGCpwwhbYoqfv03LAfmiz7e7D/BNxzeMxwQf10GRSzqiOjx7AmtEk+heiD/JWmBuyBPgFtx0Sg1ww==",
      "hasInstallScript": true,
+      "optional": true,
      "funding": {
        "type": "opencollective",
        "url": "https://opencollective.com/core-js"
@@ -1813,7 +1815,8 @@
    "node_modules/performance-now": {
      "version": "2.1.0",
      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow=="
+      "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==",
+      "optional": true
    },
    "node_modules/prelude-ls": {
      "version": "1.2.1",
@@ -1908,6 +1911,7 @@
      "version": "3.4.1",
      "resolved": "https://registry.npmjs.org/raf/-/raf-3.4.1.tgz",
      "integrity": "sha512-Sq4CW4QhwOHE8ucn6J34MqtZCeWFP2aQSmrlroYgqAV1PjStIhJXxYuTgUIfkEk7zTLjmIjLmU5q+fbD1NnOJA==",
+      "optional": true,
      "dependencies": {
        "performance-now": "^2.1.0"
      }
@@ -1982,6 +1986,7 @@
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/rgbcolor/-/rgbcolor-1.0.1.tgz",
      "integrity": "sha512-9aZLIrhRaD97sgVhtJOW6ckOEh6/GnvQtdVNfdZ6s67+3/XwLS9lBcQYzEEhYVeUowN7pRzMLsyGhK2i/xvWbw==",
+      "optional": true,
      "engines": {
        "node": ">= 0.8.15"
      }
@@ -2075,6 +2080,7 @@
      "version": "2.5.0",
      "resolved": "https://registry.npmjs.org/stackblur-canvas/-/stackblur-canvas-2.5.0.tgz",
      "integrity": "sha512-EeNzTVfj+1In7aSLPKDD03F/ly4RxEuF/EX0YcOG0cKoPXs+SLZxDawQbexQDBzwROs4VKLWTOaZQlZkGBFEIQ==",
+      "optional": true,
      "engines": {
        "node": ">=0.1.14"
      }
@@ -2127,6 +2133,7 @@
      "version": "6.0.3",
      "resolved": "https://registry.npmjs.org/svg-pathdata/-/svg-pathdata-6.0.3.tgz",
      "integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw==",
+      "optional": true,
      "engines": {
        "node": ">=12.0.0"
      }
@@ -2386,7 +2393,8 @@
    "@types/raf": {
      "version": "3.4.0",
      "resolved": "https://registry.npmjs.org/@types/raf/-/raf-3.4.0.tgz",
-      "integrity": "sha512-taW5/WYqo36N7V39oYyHP9Ipfd5pNFvGTIQsNGj86xV88YQ7GnI30/yMfKDF7Zgin0m3e+ikX88FvImnK4RjGw=="
+      "integrity": "sha512-taW5/WYqo36N7V39oYyHP9Ipfd5pNFvGTIQsNGj86xV88YQ7GnI30/yMfKDF7Zgin0m3e+ikX88FvImnK4RjGw==",
+      "optional": true
    },
    "@types/unist": {
      "version": "2.0.6",
@@ -2489,6 +2497,7 @@
      "version": "3.0.10",
      "resolved": "https://registry.npmjs.org/canvg/-/canvg-3.0.10.tgz",
      "integrity": "sha512-qwR2FRNO9NlzTeKIPIKpnTY6fqwuYSequ8Ru8c0YkYU7U0oW+hLUvWadLvAu1Rl72OMNiFhoLu4f8eUjQ7l/+Q==",
+      "optional": true,
      "requires": {
        "@babel/runtime": "^7.12.5",
        "@types/raf": "^3.4.0",
@@ -2544,7 +2553,8 @@
    "core-js": {
      "version": "3.27.1",
      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.27.1.tgz",
-      "integrity": "sha512-GutwJLBChfGCpwwhbYoqfv03LAfmiz7e7D/BNxzeMxwQf10GRSzqiOjx7AmtEk+heiD/JWmBuyBPgFtx0Sg1ww=="
+      "integrity": "sha512-GutwJLBChfGCpwwhbYoqfv03LAfmiz7e7D/BNxzeMxwQf10GRSzqiOjx7AmtEk+heiD/JWmBuyBPgFtx0Sg1ww==",
+      "optional": true
    },
    "core-util-is": {
      "version": "1.0.3",
@@ -3511,7 +3521,8 @@
    "performance-now": {
      "version": "2.1.0",
      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow=="
+      "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==",
+      "optional": true
    },
    "prelude-ls": {
      "version": "1.2.1",
@@ -3576,6 +3587,7 @@
      "version": "3.4.1",
      "resolved": "https://registry.npmjs.org/raf/-/raf-3.4.1.tgz",
      "integrity": "sha512-Sq4CW4QhwOHE8ucn6J34MqtZCeWFP2aQSmrlroYgqAV1PjStIhJXxYuTgUIfkEk7zTLjmIjLmU5q+fbD1NnOJA==",
+      "optional": true,
      "requires": {
        "performance-now": "^2.1.0"
      }
@@ -3630,7 +3642,8 @@
    "rgbcolor": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/rgbcolor/-/rgbcolor-1.0.1.tgz",
-      "integrity": "sha512-9aZLIrhRaD97sgVhtJOW6ckOEh6/GnvQtdVNfdZ6s67+3/XwLS9lBcQYzEEhYVeUowN7pRzMLsyGhK2i/xvWbw=="
+      "integrity": "sha512-9aZLIrhRaD97sgVhtJOW6ckOEh6/GnvQtdVNfdZ6s67+3/XwLS9lBcQYzEEhYVeUowN7pRzMLsyGhK2i/xvWbw==",
+      "optional": true
    },
    "rimraf": {
      "version": "3.0.2",
@@ -3691,7 +3704,8 @@
    "stackblur-canvas": {
      "version": "2.5.0",
      "resolved": "https://registry.npmjs.org/stackblur-canvas/-/stackblur-canvas-2.5.0.tgz",
-      "integrity": "sha512-EeNzTVfj+1In7aSLPKDD03F/ly4RxEuF/EX0YcOG0cKoPXs+SLZxDawQbexQDBzwROs4VKLWTOaZQlZkGBFEIQ=="
+      "integrity": "sha512-EeNzTVfj+1In7aSLPKDD03F/ly4RxEuF/EX0YcOG0cKoPXs+SLZxDawQbexQDBzwROs4VKLWTOaZQlZkGBFEIQ==",
+      "optional": true
    },
    "string_decoder": {
      "version": "1.1.1",
@@ -3728,7 +3742,8 @@
    "svg-pathdata": {
      "version": "6.0.3",
      "resolved": "https://registry.npmjs.org/svg-pathdata/-/svg-pathdata-6.0.3.tgz",
-      "integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw=="
+      "integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw==",
+      "optional": true
    },
    "text-segmentation": {
      "version": "1.0.3",
--- a/simple-mind-map/package.json
+++ b/simple-mind-map/package.json
@@ -1,6 +1,6 @@
 {
  "name": "simple-mind-map",
-  "version": "0.5.0",
+  "version": "0.6.4",
  "description": "一个简单的web在线思维导图",
  "authors": [
    {
@@ -25,7 +25,6 @@
  "__main": "./dist/simpleMindMap.umd.min.js",
  "dependencies": {
    "@svgdotjs/svg.js": "^3.0.16",
-    "canvg": "^3.0.7",
    "deepmerge": "^1.5.2",
    "eventemitter3": "^4.0.7",
    "html2canvas": "^1.4.1",
--- a/simple-mind-map/src/constants/constant.js
+++ b/simple-mind-map/src/constants/constant.js
@@ -28,34 +28,6 @@ export const themeList = [
    name: '默认',
    value: 'default',
  },
-  {
-    name: '脑图经典',
-    value: 'classic',
-  },
-  {
-    name: '小黄人',
-    value: 'minions',
-  },
-  {
-    name: '粉红葡萄',
-    value: 'pinkGrape',
-  },
-  {
-    name: '薄荷',
-    value: 'mint',
-  },
-  {
-    name: '金色vip',
-    value: 'gold',
-  },
-  {
-    name: '活力橙',
-    value: 'vitalityOrange',
-  },
-  {
-    name: '绿叶',
-    value: 'greenLeaf',
-  },
  {
    name: '暗色2',
    value: 'dark2',
@@ -72,10 +44,6 @@ export const themeList = [
    name: '脑图经典3',
    value: 'classic3',
  },
-  {
-    name: '脑图经典4',
-    value: 'classic4',
-  },
  {
    name: '经典绿',
    value: 'classicGreen',
@@ -111,12 +79,85 @@ export const themeList = [
  {
    name: '浪漫紫',
    value: 'romanticPurple',
+  },
+  {
+    name: '粉红葡萄',
+    value: 'pinkGrape',
+  },
+  {
+    name: '薄荷',
+    value: 'mint',
+  },
+  {
+    name: '金色vip',
+    value: 'gold',
+  },
+  {
+    name: '活力橙',
+    value: 'vitalityOrange',
+  },
+  {
+    name: '绿叶',
+    value: 'greenLeaf',
+  },
+  {
+    name: '脑图经典',
+    value: 'classic',
+  },
+  {
+    name: '脑图经典4',
+    value: 'classic4',
+  },
+  {
+    name: '小黄人',
+    value: 'minions',
+  },
+  {
+    name: '简约黑',
+    value: 'simpleBlack',
+  },
+  {
+    name: '课程绿',
+    value: 'courseGreen',
+  },
+  {
+    name: '咖啡',
+    value: 'coffee',
+  },
+  {
+    name: '红色精神',
+    value: 'redSpirit',
+  },
+  {
+    name: '黑色幽默',
+    value: 'blackHumour',
+  },
+  {
+    name: '深夜办公室',
+    value: 'lateNightOffice',
+  },
+  {
+    name: '黑金',
+    value: 'blackGold',
+  },
+  {
+    name: '牛油果',
+    value: 'avocado',
+  },
+  {
+    name: '秋天',
+    value: 'autumn',
+  },
+  {
+    name: '橙汁',
+    value: 'orangeJuice',
  }
 ]

 // 常量
 export const CONSTANTS = {
  CHANGE_THEME: 'changeTheme',
+  SET_DATA: 'setData',
  TRANSFORM_TO_NORMAL_NODE: 'transformAllNodesToNormalNode',
  MODE: {
    READONLY: 'readonly',
@@ -126,7 +167,10 @@ export const CONSTANTS = {
    LOGICAL_STRUCTURE: 'logicalStructure',
    MIND_MAP: 'mindMap',
    ORGANIZATION_STRUCTURE: 'organizationStructure',
-    CATALOG_ORGANIZATION: 'catalogOrganization'
+    CATALOG_ORGANIZATION: 'catalogOrganization',
+    TIMELINE: 'timeline',
+    TIMELINE2: 'timeline2',
+    FISHBONE: 'fishbone'
  },
  DIR: {
    UP: 'up',
@@ -154,9 +198,28 @@ export const CONSTANTS = {
  MOUSE_WHEEL_ACTION: {
    ZOOM: 'zoom',
    MOVE: 'move'
+  },
+  INIT_ROOT_NODE_POSITION: {
+    LEFT: 'left',
+    TOP: 'top',
+    RIGHT: 'right',
+    BOTTOM: 'bottom',
+    CENTER: 'center'
+  },
+  TIMELINE_DIR: {
+    TOP: 'top',
+    BOTTOM: 'bottom'
  }
 }

+export const initRootNodePositionMap = {
+  [CONSTANTS.INIT_ROOT_NODE_POSITION.LEFT]: 0,
+  [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,
+}
+
 //  布局结构列表
 export const layoutList = [
  {
@@ -174,11 +237,46 @@ export const layoutList = [
  {
    name: '目录组织图',
    value: CONSTANTS.LAYOUT.CATALOG_ORGANIZATION,
+  },
+  {
+    name: '时间轴',
+    value: CONSTANTS.LAYOUT.TIMELINE,
+  },
+  {
+    name: '时间轴2',
+    value: CONSTANTS.LAYOUT.TIMELINE2,
+  },
+  {
+    name: '鱼骨图',
+    value: CONSTANTS.LAYOUT.FISHBONE,
  }
 ]
 export const layoutValueList = [
  CONSTANTS.LAYOUT.LOGICAL_STRUCTURE,
  CONSTANTS.LAYOUT.MIND_MAP,
  CONSTANTS.LAYOUT.CATALOG_ORGANIZATION,
-  CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE
+  CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE,
+  CONSTANTS.LAYOUT.TIMELINE,
+  CONSTANTS.LAYOUT.TIMELINE2,
+  CONSTANTS.LAYOUT.FISHBONE
+]
+
+// 节点数据中非样式的字段
+export const nodeDataNoStylePropList = [
+  'text',
+  'image',
+  'imageTitle',
+  'imageSize',
+  'icon',
+  'tag',
+  'hyperlink',
+  'hyperlinkTitle',
+  'note',
+  'expand',
+  'isActive',
+  'generalization',
+  'richText',
+  'resetRichText',
+  'uid',
+  'activeStyle'
 ]
--- a/simple-mind-map/src/constants/defaultOptions.js
+++ b/simple-mind-map/src/constants/defaultOptions.js
@@ -0,0 +1,126 @@
+import { CONSTANTS } from './constant'
+
+// 默认选项配置
+export const defaultOpt = {
+  // 是否只读
+  readonly: false,
+  // 布局
+  layout: CONSTANTS.LAYOUT.LOGICAL_STRUCTURE,
+  // 如果结构为鱼骨图，那么可以通过该选项控制倾斜角度
+  fishboneDeg: 45,
+  // 主题
+  theme: 'default', // 内置主题：default（默认主题）
+  // 主题配置，会和所选择的主题进行合并
+  themeConfig: {},
+  // 放大缩小的增量比例
+  scaleRatio: 0.2,
+  // 最多显示几个标签
+  maxTag: 5,
+  // 导出图片时的内边距
+  exportPadding: 20,
+  // 展开收缩按钮尺寸
+  expandBtnSize: 20,
+  // 节点里图片和文字的间距
+  imgTextMargin: 5,
+  // 节点里各种文字信息的间距，如图标和文字的间距
+  textContentMargin: 2,
+  // 多选节点时鼠标移动到边缘时的画布移动偏移量
+  selectTranslateStep: 3,
+  // 多选节点时鼠标移动距边缘多少距离时开始偏移
+  selectTranslateLimit: 20,
+  // 自定义节点备注内容显示
+  customNoteContentShow: null,
+  /*
+          {
+              show(){},
+              hide(){}
+          }
+      */
+  // 是否开启节点自由拖拽
+  enableFreeDrag: false,
+  // 水印配置
+  watermarkConfig: {
+    text: '',
+    lineSpacing: 100,
+    textSpacing: 100,
+    angle: 30,
+    textStyle: {
+      color: '#999',
+      opacity: 0.5,
+      fontSize: 14
+    }
+  },
+  // 达到该宽度文本自动换行
+  textAutoWrapWidth: 500,
+  // 自定义鼠标滚轮事件处理
+  // 可以传一个函数，回调参数为事件对象
+  customHandleMousewheel: null,
+  // 鼠标滚动的行为，如果customHandleMousewheel传了自定义函数，这个属性不生效
+  mousewheelAction: CONSTANTS.MOUSE_WHEEL_ACTION.ZOOM, // zoom（放大缩小）、move（上下移动）
+  // 当mousewheelAction设为move时，可以通过该属性控制鼠标滚动一下视图移动的步长，单位px
+  mousewheelMoveStep: 100,
+  // 默认插入的二级节点的文字
+  defaultInsertSecondLevelNodeText: '二级节点',
+  // 默认插入的二级以下节点的文字
+  defaultInsertBelowSecondLevelNodeText: '分支主题',
+  // 展开收起按钮的颜色
+  expandBtnStyle: {
+    color: '#808080',
+    fill: '#fff'
+  },
+  // 自定义展开收起按钮的图标
+  expandBtnIcon: {
+    open: '', // svg字符串
+    close: ''
+  },
+  // 是否只有当鼠标在画布内才响应快捷键事件
+  enableShortcutOnlyWhenMouseInSvg: true,
+  // 是否开启节点动画过渡
+  enableNodeTransitionMove: true,
+  // 如果开启节点动画过渡，可以通过该属性设置过渡的时间，单位ms
+  nodeTransitionMoveDuration: 300,
+  // 初始根节点的位置
+  initRootNodePosition: null,
+  // 导出png、svg、pdf时的图形内边距
+  exportPaddingX: 10,
+  exportPaddingY: 10,
+  // 节点文本编辑框的z-index
+  nodeTextEditZIndex: 3000,
+  // 节点备注浮层的z-index
+  nodeNoteTooltipZIndex: 3000,
+  // 是否在点击了画布外的区域时结束节点文本的编辑状态
+  isEndNodeTextEditOnClickOuter: true,
+  // 最大历史记录数
+  maxHistoryCount: 1000,
+  // 是否一直显示节点的展开收起按钮，默认为鼠标移上去和激活时才显示
+  alwaysShowExpandBtn: false,
+  // 扩展节点可插入的图标
+  iconList: [
+    // {
+    //   name: '',// 分组名称
+    //   type: '',// 分组的值
+    //   list: [// 分组下的图标列表
+    //     {
+    //       name: '',// 图标名称
+    //       icon:''// 图标，可以传svg或图片
+    //     }
+    //   ]
+    // }
+  ],
+  // 节点最大缓存数量
+  maxNodeCacheCount: 1000,
+  // 关联线默认文字
+  defaultAssociativeLineText: '关联',
+  // 思维导图适应画布大小时的内边距
+  fitPadding: 50,
+  // 是否开启按住ctrl键多选节点功能
+  enableCtrlKeyNodeSelection: true,
+  // 设置为左键多选节点，右键拖动画布
+  useLeftKeySelectionRightKeyDrag: false,
+  // 节点即将进入编辑前的回调方法，如果该方法返回true以外的值，那么将取消编辑，函数可以返回一个值，或一个Promise，回调参数为节点实例
+  beforeTextEdit: null,
+  // 是否开启自定义节点内容
+  isUseCustomNodeContent: false,
+  // 自定义返回节点内容的方法
+  customCreateNodeContent: null
+}
--- 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, nextTick } from '../../utils'

 //  命令类
 class Command {
@@ -84,6 +84,10 @@ class Command {
    // 删除当前历史指针后面的数据
    this.history = this.history.slice(0, this.activeHistoryIndex + 1)
    this.history.push(simpleDeepClone(data))
+    // 历史记录数超过最大数量
+    if (this.history.length > this.mindMap.opt.maxHistoryCount) {
+      this.history.shift()
+    }
    this.activeHistoryIndex = this.history.length - 1
    this.mindMap.emit('data_change', this.removeDataUid(data))
    this.mindMap.emit(
--- a/simple-mind-map/src/core/command/KeyCommand.js
+++ b/simple-mind-map/src/core/command/KeyCommand.js
@@ -1,4 +1,4 @@
-import { keyMap } from './utils/keyMap'
+import { keyMap } from './keyMap'
 //  快捷按键、命令处理类
 export default class KeyCommand {
  //  构造函数
@@ -10,6 +10,7 @@ export default class KeyCommand {
    }
    this.shortcutMapCache = {}
    this.isPause = false
+    this.isInSvg = false
    this.bindEvent()
  }

@@ -37,8 +38,21 @@ export default class KeyCommand {

  //  绑定事件
  bindEvent() {
+    // 只有当鼠标在画布内才响应快捷键
+    this.mindMap.on('svg_mouseenter', () => {
+      this.isInSvg = true
+    })
+    this.mindMap.on('svg_mouseleave', () => {
+      if (this.mindMap.richText && this.mindMap.richText.showTextEdit) {
+        return
+      }
+      if (this.mindMap.renderer.textEdit.showTextEdit || (this.mindMap.associativeLine && this.mindMap.associativeLine.showTextEdit)) {
+        return
+      }
+      this.isInSvg = false
+    })
    window.addEventListener('keydown', e => {
-      if (this.isPause) {
+      if (this.isPause || (this.mindMap.opt.enableShortcutOnlyWhenMouseInSvg && !this.isInSvg)) {
        return
      }
      Object.keys(this.shortcutMap).forEach(key => {
--- a/simple-mind-map/src/core/command/keyMap.js
+++ b/simple-mind-map/src/core/command/keyMap.js
--- a/simple-mind-map/src/core/event/Event.js
+++ b/simple-mind-map/src/core/event/Event.js
@@ -1,5 +1,5 @@
 import EventEmitter from 'eventemitter3'
-import { CONSTANTS } from './utils/constant'
+import { CONSTANTS } from '../../constants/constant'

 //  事件类
 class Event extends EventEmitter {
@@ -9,6 +9,7 @@ class Event extends EventEmitter {
    this.opt = opt
    this.mindMap = opt.mindMap
    this.isLeftMousedown = false
+    this.isRightMousedown = false
    this.mousedownPos = {
      x: 0,
      y: 0
@@ -27,6 +28,7 @@ class Event extends EventEmitter {

  //  绑定函数上下文
  bindFn() {
+    this.onBodyClick = this.onBodyClick.bind(this)
    this.onDrawClick = this.onDrawClick.bind(this)
    this.onMousedown = this.onMousedown.bind(this)
    this.onMousemove = this.onMousemove.bind(this)
@@ -35,10 +37,13 @@ class Event extends EventEmitter {
    this.onContextmenu = this.onContextmenu.bind(this)
    this.onSvgMousedown = this.onSvgMousedown.bind(this)
    this.onKeyup = this.onKeyup.bind(this)
+    this.onMouseenter = this.onMouseenter.bind(this)
+    this.onMouseleave = this.onMouseleave.bind(this)
  }

  //  绑定事件
  bind() {
+    document.body.addEventListener('click', this.onBodyClick)
    this.mindMap.svg.on('click', this.onDrawClick)
    this.mindMap.el.addEventListener('mousedown', this.onMousedown)
    this.mindMap.svg.on('mousedown', this.onSvgMousedown)
@@ -46,17 +51,22 @@ class Event extends EventEmitter {
    window.addEventListener('mouseup', this.onMouseup)
    this.mindMap.el.addEventListener('wheel', this.onMousewheel)
    this.mindMap.svg.on('contextmenu', this.onContextmenu)
+    this.mindMap.svg.on('mouseenter', this.onMouseenter)
+    this.mindMap.svg.on('mouseleave', this.onMouseleave)
    window.addEventListener('keyup', this.onKeyup)
  }

  //  解绑事件
  unbind() {
+    document.body.removeEventListener('click', this.onBodyClick)
    this.mindMap.svg.off('click', this.onDrawClick)
    this.mindMap.el.removeEventListener('mousedown', this.onMousedown)
    window.removeEventListener('mousemove', this.onMousemove)
    window.removeEventListener('mouseup', this.onMouseup)
    this.mindMap.el.removeEventListener('wheel', this.onMousewheel)
    this.mindMap.svg.off('contextmenu', this.onContextmenu)
+    this.mindMap.svg.off('mouseenter', this.onMouseenter)
+    this.mindMap.svg.off('mouseleave', this.onMouseleave)
    window.removeEventListener('keyup', this.onKeyup)
  }

@@ -65,6 +75,11 @@ class Event extends EventEmitter {
    this.emit('draw_click', e)
  }

+  // 页面的单击事件
+  onBodyClick(e) {
+    this.emit('body_click', e)
+  }
+
  //   svg画布的鼠标按下事件
  onSvgMousedown(e) {
    this.emit('svg_mousedown', e)
@@ -75,6 +90,8 @@ class Event extends EventEmitter {
    // 鼠标左键
    if (e.which === 1) {
      this.isLeftMousedown = true
+    } else if (e.which === 3) {
+      this.isRightMousedown = true
    }
    this.mousedownPos.x = e.clientX
    this.mousedownPos.y = e.clientY
@@ -83,12 +100,17 @@ class Event extends EventEmitter {

  //  鼠标移动事件
  onMousemove(e) {
+    let { useLeftKeySelectionRightKeyDrag } = this.mindMap.opt
    this.mousemovePos.x = e.clientX
    this.mousemovePos.y = e.clientY
    this.mousemoveOffset.x = e.clientX - this.mousedownPos.x
    this.mousemoveOffset.y = e.clientY - this.mousedownPos.y
    this.emit('mousemove', e, this)
-    if (this.isLeftMousedown) {
+    if (
+      useLeftKeySelectionRightKeyDrag
+        ? this.isRightMousedown
+        : this.isLeftMousedown
+    ) {
      e.preventDefault()
      this.emit('drag', e, this)
    }
@@ -97,6 +119,7 @@ class Event extends EventEmitter {
  //  鼠标松开事件
  onMouseup(e) {
    this.isLeftMousedown = false
+    this.isRightMousedown = false
    this.emit('mouseup', e, this)
  }

@@ -117,7 +140,13 @@ class Event extends EventEmitter {
      if ((e.wheelDeltaX || e.detail) > 0) dir = CONSTANTS.DIR.LEFT
      if ((e.wheelDeltaX || e.detail) < 0) dir = CONSTANTS.DIR.RIGHT
    }
-    this.emit('mousewheel', e, dir, this)
+    // 判断是否是触控板
+    let isTouchPad = false
+    // mac、windows
+    if (e.wheelDeltaY === e.deltaY * -3 || Math.abs(e.wheelDeltaY) <= 10) {
+      isTouchPad = true
+    }
+    this.emit('mousewheel', e, dir, this, isTouchPad)
  }

  //  鼠标右键菜单事件
@@ -130,6 +159,16 @@ class Event extends EventEmitter {
  onKeyup(e) {
    this.emit('keyup', e)
  }
+
+  // 进入
+  onMouseenter(e) {
+    this.emit('svg_mouseenter', e)
+  }
+
+  // 离开
+  onMouseleave(e) {
+    this.emit('svg_mouseleave', e)
+  }
 }

 export default Event
--- a/simple-mind-map/src/core/render/Render.js
+++ b/simple-mind-map/src/core/render/Render.js
@@ -1,13 +1,15 @@
 import merge from 'deepmerge'
-import LogicalStructure from './layouts/LogicalStructure'
-import MindMap from './layouts/MindMap'
-import CatalogOrganization from './layouts/CatalogOrganization'
-import OrganizationStructure from './layouts/OrganizationStructure'
+import LogicalStructure from '../../layouts/LogicalStructure'
+import MindMap from '../../layouts/MindMap'
+import CatalogOrganization from '../../layouts/CatalogOrganization'
+import OrganizationStructure from '../../layouts/OrganizationStructure'
+import Timeline from '../../layouts/Timeline'
+import Fishbone from '../../layouts/Fishbone'
 import TextEdit from './TextEdit'
-import { copyNodeTree, simpleDeepClone, walk } from './utils'
-import { shapeList } from './Shape'
-import { lineStyleProps } from './themes/default'
-import { CONSTANTS } from './utils/constant'
+import { copyNodeTree, simpleDeepClone, walk } from '../../utils'
+import { shapeList } from './node/Shape'
+import { lineStyleProps } from '../../themes/default'
+import { CONSTANTS } from '../../constants/constant'

 // 布局列表
 const layouts = {
@@ -18,7 +20,13 @@ const layouts = {
  // 目录组织图
  [CONSTANTS.LAYOUT.CATALOG_ORGANIZATION]: CatalogOrganization,
  // 组织结构图
-  [CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE]: OrganizationStructure
+  [CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE]: OrganizationStructure,
+  // 时间轴
+  [CONSTANTS.LAYOUT.TIMELINE]: Timeline,
+  // 时间轴2
+  [CONSTANTS.LAYOUT.TIMELINE2]: Timeline,
+  // 鱼骨图
+  [CONSTANTS.LAYOUT.FISHBONE]: Fishbone,
 }

 //  渲染
@@ -65,15 +73,21 @@ class Render {
      layouts[this.mindMap.opt.layout]
        ? layouts[this.mindMap.opt.layout]
        : layouts[CONSTANTS.LAYOUT.LOGICAL_STRUCTURE]
-    )(this)
+    )(this, this.mindMap.opt.layout)
  }

  //   绑定事件
  bindEvent() {
    // 点击事件
-    this.mindMap.on('draw_click', () => {
+    this.mindMap.on('draw_click', (e) => {
      // 清除激活状态
-      if (this.activeNodeList.length > 0) {
+      let isTrueClick = true
+      let { useLeftKeySelectionRightKeyDrag } = this.mindMap.opt
+      if (useLeftKeySelectionRightKeyDrag) {
+        let mousedownPos = this.mindMap.event.mousedownPos
+        isTrueClick = Math.abs(e.clientX - mousedownPos.x) <= 5 && Math.abs(e.clientY - mousedownPos.y) <= 5
+      }
+      if (isTrueClick && this.activeNodeList.length > 0) {
        this.mindMap.execCommand('CLEAR_ACTIVE_NODE')
      }
    })
@@ -242,6 +256,7 @@ class Render {

  //   渲染
  render(callback = () => {}, source) {
+    let t = Date.now()
    // 如果当前还没有渲染完毕，不再触发渲染
    if (this.isRendering) {
      // 等待当前渲染完毕后再进行一次渲染
@@ -272,13 +287,30 @@ class Render {
      // 更新根节点
      this.root = root
      // 渲染节点
-      this.root.render(() => {
+      const onEnd = () => {
        this.isRendering = false
        this.mindMap.emit('node_tree_render_end')
        callback && callback()
        if (this.hasWaitRendering) {
          this.hasWaitRendering = false
          this.render(callback, source)
+        } else {
+          // 触发一次保存，因为修改了渲染树的数据
+          if (this.mindMap.richText && [CONSTANTS.CHANGE_THEME, CONSTANTS.SET_DATA].includes(source)) {
+            this.mindMap.command.addHistory()
+          }
+        }
+      }
+      let { enableNodeTransitionMove, nodeTransitionMoveDuration } =
+      this.mindMap.opt
+      this.root.render(() => {
+        let dur = Date.now() - t
+        if (enableNodeTransitionMove && dur <= nodeTransitionMoveDuration) {
+          setTimeout(() => {
+            onEnd()
+          }, nodeTransitionMoveDuration - dur);
+        } else {
+          onEnd()
        }
      })
    })
@@ -344,6 +376,8 @@ class Render {
        if (!node.nodeData.data.isActive) {
          node.nodeData.data.isActive = true
          this.addActiveNode(node)
+          // 激活节点需要显示展开收起按钮
+          node.showExpandBtn()
          setTimeout(() => {
            node.updateNodeShape()
          }, 0)
@@ -391,6 +425,9 @@ class Render {
    let { defaultInsertSecondLevelNodeText, defaultInsertBelowSecondLevelNodeText } = this.mindMap.opt
    let list = appointNodes.length > 0 ? appointNodes : this.activeNodeList
    let first = list[0]
+    if (first.isGeneralization) {
+      return
+    }
    if (first.isRoot) {
      this.insertChildNode(openEdit, appointNodes, appointData)
    } else {
@@ -421,6 +458,9 @@ class Render {
    let { defaultInsertSecondLevelNodeText, defaultInsertBelowSecondLevelNodeText } = this.mindMap.opt
    let list = appointNodes.length > 0 ? appointNodes : this.activeNodeList
    list.forEach(node => {
+      if (node.isGeneralization) {
+        return
+      }
      if (!node.nodeData.children) {
        node.nodeData.children = []
      }
@@ -698,7 +738,7 @@ class Render {
      if (Object.keys(config).length > 0) {
        this.mindMap.richText.showEditText(node)
        this.mindMap.richText.formatAllText(config)
-        this.mindMap.richText.hideEditText()
+        this.mindMap.richText.hideEditText([node])
      }
    }
    this.setNodeDataRender(node, data)
@@ -713,6 +753,12 @@ class Render {
    this.setNodeData(node, {
      isActive: active
    })
+    // 切换激活状态，需要切换展开收起按钮的显隐
+    if (active) {
+      node.showExpandBtn()
+    } else {
+      node.hideExpandBtn()
+    }
    node.updateNodeShape()
  }

@@ -727,14 +773,14 @@ class Render {
        item.render()
      })
      node.renderLine()
-      node.updateExpandBtnNode()
+      // node.updateExpandBtnNode()
    } else {
      // 收缩
      node.children.forEach(item => {
        item.remove()
      })
      node.removeLine()
-      node.updateExpandBtnNode()
+      // node.updateExpandBtnNode()
    }
    this.mindMap.render()
  }
--- a/simple-mind-map/src/core/render/TextEdit.js
+++ b/simple-mind-map/src/core/render/TextEdit.js
@@ -1,4 +1,4 @@
-import { getStrWithBrFromHtml } from './utils'
+import { getStrWithBrFromHtml, checkNodeOuter } from '../../utils'

 //  节点文字编辑类
 export default class TextEdit {
@@ -6,16 +6,21 @@ export default class TextEdit {
  constructor(renderer) {
    this.renderer = renderer
    this.mindMap = renderer.mindMap
+    // 当前编辑的节点
+    this.currentNode = null
    // 文本编辑框
    this.textEditNode = null
    // 文本编辑框是否显示
    this.showTextEdit = false
+    // 如果编辑过程中缩放画布了，那么缓存当前编辑的内容
+    this.cacheEditingText = ''
    this.bindEvent()
  }

  //  事件
  bindEvent() {
    this.show = this.show.bind(this)
+    this.onScale = this.onScale.bind(this)
    // 节点双击事件
    this.mindMap.on('node_dblclick', this.show)
    // 点击事件
@@ -23,6 +28,12 @@ export default class TextEdit {
      // 隐藏文本编辑框
      this.hideEditTextBox()
    })
+    this.mindMap.on('body_click', () => {
+      // 隐藏文本编辑框
+      if (this.mindMap.opt.isEndNodeTextEditOnClickOuter) {
+        this.hideEditTextBox()
+      }
+    })
    this.mindMap.on('svg_mousedown', () => {
      // 隐藏文本编辑框
      this.hideEditTextBox()
@@ -42,6 +53,7 @@ export default class TextEdit {
      }
      this.show(this.renderer.activeNodeList[0])
    })
+    this.mindMap.on('scale', this.onScale)
  }

  //  注册临时快捷键
@@ -53,7 +65,24 @@ export default class TextEdit {
  }

  //  显示文本编辑框
-  show(node) {
+  async show(node) {
+    // 使用了自定义节点内容那么不响应编辑事件
+    if (node.isUseCustomNodeContent()) {
+      return
+    }
+    let { beforeTextEdit } = this.mindMap.opt
+    if (typeof beforeTextEdit === 'function') {
+      let isShow = false
+      try {
+        isShow = await beforeTextEdit(node)
+      } catch (error) {
+        isShow = false
+      }
+      if (!isShow) return
+    }
+    this.currentNode = node
+    let { offsetLeft, offsetTop } = checkNodeOuter(this.mindMap, node)
+    this.mindMap.view.translateXY(offsetLeft, offsetTop)
    let rect = node._textData.node.node.getBoundingClientRect()
    if (this.mindMap.richText) {
      this.mindMap.richText.showEditText(node, rect)
@@ -62,6 +91,19 @@ export default class TextEdit {
    this.showEditTextBox(node, rect)
  }

+  // 处理画布缩放
+  onScale() {
+    if (!this.currentNode) return
+    if (this.mindMap.richText) {
+      this.mindMap.richText.cacheEditingText = this.mindMap.richText.getEditText()
+      this.mindMap.richText.showTextEdit = false
+    } else {
+      this.cacheEditingText = this.getEditText()
+      this.showTextEdit = false
+    }
+    this.show(this.currentNode)
+  }
+
  //  显示文本编辑框
  showEditTextBox(node, rect) {
    this.mindMap.emit('before_show_text_edit')
@@ -73,13 +115,18 @@ export default class TextEdit {
      this.textEditNode.addEventListener('keyup', e => {
        e.stopPropagation()
      })
+      this.textEditNode.addEventListener('click', e => {
+        e.stopPropagation()
+      })
      document.body.appendChild(this.textEditNode)
    }
    let scale = this.mindMap.view.scale
    let lineHeight = node.style.merge('lineHeight')
    let fontSize = node.style.merge('fontSize')
-    let textLines = node.nodeData.data.text.split(/\n/gim)
-    node.style.domText(this.textEditNode, scale, textLines.length)
+    let textLines = (this.cacheEditingText || node.nodeData.data.text).split(/\n/gim)
+    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.innerHTML = textLines.join('<br>')
    this.textEditNode.style.minWidth = rect.width + 10 + 'px'
    this.textEditNode.style.minHeight = rect.height + 6 + 'px'
@@ -87,12 +134,15 @@ export default class TextEdit {
    this.textEditNode.style.top = rect.top + 'px'
    this.textEditNode.style.display = 'block'
    this.textEditNode.style.maxWidth = this.mindMap.opt.textAutoWrapWidth * scale + 'px'
-    if (textLines.length > 1 && lineHeight !== 1) {
-      this.textEditNode.style.transform = `translateY(${-((lineHeight * fontSize - fontSize) / 2 - 2) * scale}px)`
+    if (isMultiLine && lineHeight !== 1) {
+      this.textEditNode.style.transform = `translateY(${-((lineHeight * fontSize - fontSize) / 2) * scale}px)`
    }
    this.showTextEdit = true
    // 选中文本
-    this.selectNodeText()
+    if (!this.cacheEditingText) {
+      this.selectNodeText()
+    }
+    this.cacheEditingText = ''
  }

  //  选中文本
@@ -104,8 +154,14 @@ export default class TextEdit {
    selection.addRange(range)
  }

+  // 获取当前正在编辑的内容
+  getEditText() {
+    return getStrWithBrFromHtml(this.textEditNode.innerHTML)
+  }
+
  //  隐藏文本编辑框
  hideEditTextBox() {
+    this.currentNode = null
    if (this.mindMap.richText) {
      return this.mindMap.richText.hideEditText()
    }
@@ -113,7 +169,7 @@ export default class TextEdit {
      return
    }
    this.renderer.activeNodeList.forEach(node => {
-      let str = getStrWithBrFromHtml(this.textEditNode.innerHTML)
+      let str = this.getEditText()
      this.mindMap.execCommand('SET_NODE_TEXT', node, str)
      if (node.isGeneralization) {
        // 概要节点
--- a/simple-mind-map/src/core/render/node/Node.js
+++ b/simple-mind-map/src/core/render/node/Node.js
@@ -1,13 +1,12 @@
 import Style from './Style'
 import Shape from './Shape'
-import { asyncRun } from './utils'
-import { G } from '@svgdotjs/svg.js'
-import nodeGeneralizationMethods from './utils/nodeGeneralization'
-import nodeExpandBtnMethods from './utils/nodeExpandBtn'
-import nodeCommandWrapsMethods from './utils/nodeCommandWraps'
-import nodeCreateContentsMethods from './utils/nodeCreateContents'
-import { CONSTANTS } from './utils/constant'
-
+import { asyncRun, nodeToHTML } from '../../../utils'
+import { G, Rect, ForeignObject, SVG } from '@svgdotjs/svg.js'
+import nodeGeneralizationMethods from './nodeGeneralization'
+import nodeExpandBtnMethods from './nodeExpandBtn'
+import nodeCommandWrapsMethods from './nodeCommandWraps'
+import nodeCreateContentsMethods from './nodeCreateContents'
+import { CONSTANTS } from '../../../constants/constant'

 //  节点类
 class Node {
@@ -58,8 +57,9 @@ class Node {
    this.children = opt.children || []
    // 节点内容的容器
    this.group = null
-    this.shapeNode = null// 节点形状节点
+    this.shapeNode = null // 节点形状节点
    // 节点内容对象
+    this._customNodeContent = null
    this._imgData = null
    this._iconData = null
    this._textData = null
@@ -68,12 +68,16 @@ class Node {
    this._noteData = null
    this.noteEl = null
    this._expandBtn = null
+    this._lastExpandBtnType = null
+    this._showExpandBtn = false
    this._openExpandNode = null
    this._closeExpandNode = null
    this._fillExpandNode = null
    this._lines = []
    this._generalizationLine = null
    this._generalizationNode = null
+    this._unVisibleRectRegionNode = null
+    this._isMouseenter = false
    // 尺寸信息
    this._rectInfo = {
      imgContentWidth: 0,
@@ -95,19 +99,19 @@ class Node {
    // 是否需要重新layout
    this.needLayout = false
    // 概要相关方法
-    Object.keys(nodeGeneralizationMethods).forEach((item) => {
+    Object.keys(nodeGeneralizationMethods).forEach(item => {
      this[item] = nodeGeneralizationMethods[item].bind(this)
    })
    // 展开收起按钮相关方法
-    Object.keys(nodeExpandBtnMethods).forEach((item) => {
+    Object.keys(nodeExpandBtnMethods).forEach(item => {
      this[item] = nodeExpandBtnMethods[item].bind(this)
    })
    // 命令的相关方法
-    Object.keys(nodeCommandWrapsMethods).forEach((item) => {
+    Object.keys(nodeCommandWrapsMethods).forEach(item => {
      this[item] = nodeCommandWrapsMethods[item].bind(this)
    })
    // 创建节点内容的相关方法
-    Object.keys(nodeCreateContentsMethods).forEach((item) => {
+    Object.keys(nodeCreateContentsMethods).forEach(item => {
      this[item] = nodeCreateContentsMethods[item].bind(this)
    })
    // 初始化
@@ -151,6 +155,13 @@ class Node {

  //  创建节点的各个内容对象数据
  createNodeData() {
+    // 自定义节点内容
+    let { isUseCustomNodeContent, customCreateNodeContent } = this.mindMap.opt
+    if (isUseCustomNodeContent && customCreateNodeContent) {
+      this._customNodeContent = customCreateNodeContent(this)
+    }
+    // 如果没有返回内容，那么还是使用内置的节点内容
+    if (this._customNodeContent) return
    this._imgData = this.createImgNode()
    this._iconData = this.createIconNode()
    this._textData = this.createTextNode()
@@ -173,6 +184,14 @@ class Node {

  //  计算节点尺寸信息
  getNodeRect() {
+    // 自定义节点内容
+    if (this.isUseCustomNodeContent()) {
+      let rect = this.measureCustomNodeContentSize(this._customNodeContent)
+      return {
+        width: rect.width,
+        height: rect.height
+      }
+    }
    // 宽高
    let imgContentWidth = 0
    let imgContentHeight = 0
@@ -242,17 +261,36 @@ class Node {
  layout() {
    // 清除之前的内容
    this.group.clear()
-    let { width, textContentItemMargin } = this
+    let { width, height, textContentItemMargin } = this
    let { paddingY } = this.getPaddingVale()
    paddingY += this.shapePadding.paddingY
    // 节点形状
    this.shapeNode = this.shapeInstance.createShape()
    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
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      if (!this._unVisibleRectRegionNode) {
+        this._unVisibleRectRegionNode = new Rect()
+      }
+      this._unVisibleRectRegionNode.fill({
+        color: 'transparent'
+      }).size(this.expandBtnSize, height).x(width).y(0)
+      this.group.add(this._unVisibleRectRegionNode)
+    }
    // 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)
    }
+    // 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))
+      this.group.add(foreignObject)
+      return 
+    }
    // 图片节点
    let imgHeight = 0
    if (this._imgData) {
@@ -330,25 +368,35 @@ class Node {
  bindGroupEvent() {
    // 单击事件，选中节点
    this.group.on('click', e => {
+      this.mindMap.emit('node_click', this, e)
      if (this.isMultipleChoice) {
        e.stopPropagation()
        this.isMultipleChoice = false
        return
      }
-      this.mindMap.emit('node_click', this, e)
      this.active(e)
    })
    this.group.on('mousedown', e => {
+      if (this.isRoot && e.which === 3) {
+        e.stopPropagation()
+      }
      if (!this.isRoot) {
        e.stopPropagation()
      }
      // 多选和取消多选
-      if (e.ctrlKey) {
+      if (e.ctrlKey && this.mindMap.opt.enableCtrlKeyNodeSelection) {
        this.isMultipleChoice = true
        let isActive = this.nodeData.data.isActive
-        if (!isActive) this.mindMap.emit('before_node_active', this, this.renderer.activeNodeList)
+        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.renderer[isActive ? 'removeActiveNode' : 'addActiveNode'](
+          this
+        )
        this.mindMap.emit(
          'node_active',
          isActive ? null : this,
@@ -364,9 +412,14 @@ class Node {
      this.mindMap.emit('node_mouseup', this, e)
    })
    this.group.on('mouseenter', e => {
+      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 => {
+      this._isMouseenter = false
+      this.hideExpandBtn()
      this.mindMap.emit('node_mouseleave', this, e)
    })
    // 双击事件
@@ -380,7 +433,7 @@ class Node {
    // 右键菜单事件
    this.group.on('contextmenu', e => {
      // 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 || this.isGeneralization || e.ctrlKey) {
+      if (this.mindMap.opt.readonly || e.ctrlKey) {// || this.isGeneralization
        return
      }
      e.stopPropagation()
@@ -414,29 +467,37 @@ class Node {
    if (!this.group) {
      return
    }
-    // 需要移除展开收缩按钮
-    if (this._expandBtn && this.nodeData.children.length <= 0) {
-      this.removeExpandBtn()
+    let { enableNodeTransitionMove, nodeTransitionMoveDuration, alwaysShowExpandBtn } =
+      this.mindMap.opt
+    if (alwaysShowExpandBtn) {
+      // 需要移除展开收缩按钮
+      if (this._expandBtn && this.nodeData.children.length <= 0) {
+        this.removeExpandBtn()
+      } else {
+        // 更新展开收起按钮
+        this.renderExpandBtn()
+      }
    } else {
-      // 更新展开收起按钮
-      this.renderExpandBtn()
+      let { isActive, expand } = this.nodeData.data
+      // 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()
+      } else {
+        this.showExpandBtn()
+      }
    }
    // 更新概要
    this.renderGeneralization()
    // 更新节点位置
    let t = this.group.transform()
-    if (!isLayout) {
+    // 如果节点位置没有变化，则返回
+    if (this.left === t.translateX && this.top === t.translateY) return
+    if (!isLayout && enableNodeTransitionMove) {
      this.group
-        .animate(300)
-        .translate(
-          this.left - t.translateX,
-          this.top - t.translateY
-        )
+        .animate(nodeTransitionMoveDuration)
+        .translate(this.left - t.translateX, this.top - t.translateY)
    } else {
-      this.group.translate(
-        this.left - t.translateX,
-        this.top - t.translateY
-      )
+      this.group.translate(this.left - t.translateX, this.top - t.translateY)
    }
  }

@@ -452,15 +513,21 @@ class Node {
  updateNodeShape() {
    if (!this.shapeNode) return
    const shape = this.getShape()
-    this.style[shape === CONSTANTS.SHAPE.RECTANGLE ? 'rect' : 'shape'](this.shapeNode)
+    this.style[shape === CONSTANTS.SHAPE.RECTANGLE ? 'rect' : 'shape'](
+      this.shapeNode
+    )
  }

  //  递归渲染
  render(callback = () => {}) {
+    let { enableNodeTransitionMove, nodeTransitionMoveDuration } =
+      this.mindMap.opt
    // 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.css({
@@ -469,7 +536,7 @@ class Node {
      this.bindGroupEvent()
      this.draw.add(this.group)
      this.layout()
-      this.update(true)
+      this.update(isLayout)
    } else {
      this.draw.add(this.group)
      if (this.needLayout) {
@@ -498,7 +565,13 @@ class Node {
        })
      )
    } else {
-      callback()
+      if (enableNodeTransitionMove && !isLayout) {
+        setTimeout(() => {
+          callback()
+        }, nodeTransitionMoveDuration)
+      } else {
+        callback()
+      }
    }
    // 手动插入的节点立即获得焦点并且开启编辑模式
    if (this.nodeData.inserting) {
@@ -543,7 +616,10 @@ class Node {
    this.hideGeneralization()
    if (this.parent) {
      let index = this.parent.children.indexOf(this)
-      this.parent._lines[index].hide()
+      this.parent._lines[index] && this.parent._lines[index].hide()
+      this._lines.forEach(item => {
+        item.hide()
+      })
    }
    // 子节点
    if (this.children && this.children.length) {
@@ -567,6 +643,9 @@ class Node {
    if (this.parent) {
      let index = this.parent.children.indexOf(this)
      this.parent._lines[index] && this.parent._lines[index].show()
+      this._lines.forEach(item => {
+        item.show()
+      })
    }
    // 子节点
    if (this.children && this.children.length) {
@@ -586,6 +665,13 @@ class Node {
      return
    }
    let childrenLen = this.nodeData.children.length
+    // 切换为鱼骨结构时，清空根节点和二级节点的连线
+    if (
+      this.mindMap.opt.layout === CONSTANTS.LAYOUT.FISHBONE &&
+      (this.isRoot || this.layerIndex === 1)
+    ) {
+      childrenLen = 0
+    }
    if (childrenLen > this._lines.length) {
      // 创建缺少的线
      new Array(childrenLen - this._lines.length).fill(0).forEach(() => {
@@ -697,9 +783,10 @@ class Node {

  //  获取padding值
  getPaddingVale() {
+    let { isActive }= this.nodeData.data
    return {
-      paddingX: this.getStyle('paddingX', true, this.nodeData.data.isActive),
-      paddingY: this.getStyle('paddingY', true, this.nodeData.data.isActive)
+      paddingX: this.getStyle('paddingX', true, isActive),
+      paddingY: this.getStyle('paddingY', true, isActive)
    }
  }

@@ -736,6 +823,11 @@ class Node {
  getData(key) {
    return key ? this.nodeData.data[key] || '' : this.nodeData.data
  }
+
+  // 是否存在自定义样式
+  hasCustomStyle() {
+    return this.style.hasCustomStyle()
+  }
 }

 export default Node
--- a/simple-mind-map/src/core/render/node/Shape.js
+++ b/simple-mind-map/src/core/render/node/Shape.js
@@ -1,5 +1,5 @@
 import { Rect, Polygon, Path } from '@svgdotjs/svg.js'
-import { CONSTANTS } from './utils/constant'
+import { CONSTANTS } from '../../../constants/constant'

 //  节点形状类
 export default class Shape {
--- a/simple-mind-map/src/core/render/node/Style.js
+++ b/simple-mind-map/src/core/render/node/Style.js
@@ -1,10 +1,20 @@
-import { tagColorList } from './utils/constant'
+import { tagColorList, nodeDataNoStylePropList } from '../../../constants/constant'
 const rootProp = ['paddingX', 'paddingY']
+const backgroundStyleProps = ['backgroundColor', 'backgroundImage', 'backgroundRepeat', 'backgroundPosition', 'backgroundSize']

 //  样式类
 class Style {
  //   设置背景样式
  static setBackgroundStyle(el, themeConfig) {
+    // 缓存容器元素原本的样式
+    if (!Style.cacheStyle) {
+      Style.cacheStyle = {}
+      let style = window.getComputedStyle(el)
+      backgroundStyleProps.forEach((prop) => {
+        Style.cacheStyle[prop] = style[prop]
+      })
+    }
+    // 设置新样式
    let { backgroundColor, backgroundImage, backgroundRepeat, backgroundPosition, backgroundSize } = themeConfig
    el.style.backgroundColor = backgroundColor
    if (backgroundImage) {
@@ -17,6 +27,15 @@ class Style {
    }
  }

+  // 移除背景样式
+  static removeBackgroundStyle(el) {
+    if (!Style.cacheStyle) return
+    backgroundStyleProps.forEach((prop) => {
+      el.style[prop] = Style.cacheStyle[prop]
+    })
+    Style.cacheStyle = null
+  }
+
  //  构造函数
  constructor(ctx) {
    this.ctx = ctx
@@ -109,6 +128,18 @@ class Style {
      })
  }

+  // 生成内联样式
+  createStyleText() {
+    return `
+      color: ${this.merge('color')};
+      font-family: ${this.merge('fontFamily')};
+      font-size: ${this.merge('fontSize') + 'px'};
+      font-weight: ${this.merge('fontWeight')};
+      font-style: ${this.merge('fontStyle')};
+      text-decoration: ${this.merge('textDecoration')}
+    `
+  }
+
  // 获取文本样式
  getTextFontStyle() {
    return { 
@@ -120,11 +151,11 @@ class Style {
  }

  //  html文字节点
-  domText(node, fontSizeScale = 1, textLines) {
+  domText(node, fontSizeScale = 1, isMultiLine) {
    node.style.fontFamily = this.merge('fontFamily')
    node.style.fontSize = this.merge('fontSize') * fontSizeScale + 'px'
    node.style.fontWeight = this.merge('fontWeight') || 'normal'
-    node.style.lineHeight = textLines === 1 ? 'normal' : this.merge('lineHeight')
+    node.style.lineHeight = !isMultiLine ? 'normal' : this.merge('lineHeight')
    node.style.fontStyle = this.merge('fontStyle')
  }

@@ -178,6 +209,19 @@ class Style {
    node2.fill({ color: color })
    fillNode.fill({ color: fill })
  }
+
+  // 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)) {
+        res = true
+      }
+    })
+    return res
+  }
 }

+Style.cacheStyle = null
+
 export default Style
--- a/simple-mind-map/src/core/render/node/nodeCommandWraps.js
+++ b/simple-mind-map/src/core/render/node/nodeCommandWraps.js
--- a/simple-mind-map/src/core/render/node/nodeCreateContents.js
+++ b/simple-mind-map/src/core/render/node/nodeCreateContents.js
@@ -1,6 +1,7 @@
-import { measureText, resizeImgSize } from '../utils'
+import { measureText, resizeImgSize, getTextFromHtml } from '../../../utils'
 import { Image, SVG, A, G, Rect, Text, ForeignObject } from '@svgdotjs/svg.js'
-import iconsSvg from '../svg/icons'
+import iconsSvg from '../../../svg/icons'
+import { CONSTANTS } from '../../../constants/constant'

 //  创建图片节点
 function createImgNode() {
@@ -41,8 +42,18 @@ function createIconNode() {
  }
  let iconSize = this.mindMap.themeConfig.iconSize
  return _data.icon.map(item => {
+    let src = iconsSvg.getNodeIconListIcon(item, this.mindMap.opt.iconList || [])
+    let node = null
+    // svg图标
+    if (/^<svg/.test(src)) {
+      node = SVG(src)
+    } else {
+      // 图片图标
+      node = new Image().load(src)
+    }
+    node.size(iconSize, iconSize)
    return {
-      node: SVG(iconsSvg.getNodeIconListIcon(item)).size(iconSize, iconSize),
+      node,
      width: iconSize,
      height: iconSize
    }
@@ -52,11 +63,28 @@ function createIconNode() {
 // 创建富文本节点
 function createRichTextNode() {
  let g = new G()
+  // 重新设置富文本节点内容
+  let recoverText = false
+  if (this.nodeData.data.resetRichText) {
+    delete this.nodeData.data.resetRichText
+    recoverText = true
+  }
+  if ([CONSTANTS.CHANGE_THEME].includes(this.mindMap.renderer.renderSource)) {
+    // 如果自定义过样式则不允许覆盖
+    if (!this.hasCustomStyle()) {
+      recoverText = true
+    }
+  }
+  if (recoverText) {
+    let text = getTextFromHtml(this.nodeData.data.text)
+    this.nodeData.data.text = `<p><span style="${this.style.createStyleText()}">${text}</span></p>`
+  }
  let html = `<div>${this.nodeData.data.text}</div>`
  let div = document.createElement('div')
  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)
@@ -95,21 +123,27 @@ function createTextNode() {
  let textStyle = this.style.getTextFontStyle()
  let textArr = this.nodeData.data.text.split(/\n/gim)
  let maxWidth = this.mindMap.opt.textAutoWrapWidth
+  let isMultiLine = false
  textArr.forEach((item, index) => {
    let arr = item.split('')
    let lines = []
    let line = []
    while (arr.length) {
-      line.push(arr.shift())
-      let text = line.join('')
-      if (measureText(text, textStyle).width >= maxWidth) {
-        lines.push(text)
-        line = []
+      let str = arr.shift()
+      let text = [...line, str].join('')
+      if (measureText(text, textStyle).width <= maxWidth) {
+        line.push(str)
+      } else {
+        lines.push(line.join(''))
+        line = [str]
      }
    }
    if (line.length > 0) {
      lines.push(line.join(''))
    }
+    if (lines.length > 1) {
+      isMultiLine = true
+    }
    textArr[index] = lines.join('\n')
  })
  textArr = textArr.join('\n').split(/\n/gim)
@@ -124,6 +158,7 @@ function createTextNode() {
  height = Math.ceil(height)
  g.attr('data-width', width)
  g.attr('data-height', height)
+  g.attr('data-ismultiLine', isMultiLine || textArr.length > 1)
  return {
    node: g,
    width,
@@ -205,13 +240,14 @@ function createNoteNode() {
    if (!this.noteEl) {
      this.noteEl = document.createElement('div')
      this.noteEl.style.cssText = `
-                    position: absolute;
-                    padding: 10px;
-                    border-radius: 5px;
-                    box-shadow: 0 2px 5px rgb(0 0 0 / 10%);
-                    display: none;
-                    background-color: #fff;
-                `
+          position: absolute;
+          padding: 10px;
+          border-radius: 5px;
+          box-shadow: 0 2px 5px rgb(0 0 0 / 10%);
+          display: none;
+          background-color: #fff;
+          z-index: ${ this.mindMap.opt.nodeNoteTooltipZIndex }
+      `
      document.body.appendChild(this.noteEl)
    }
    this.noteEl.innerText = this.nodeData.data.note
@@ -244,6 +280,32 @@ function createNoteNode() {
  }
 }

+// 测量自定义节点内容元素的宽高
+let warpEl = null
+function measureCustomNodeContentSize (content) {
+  if (!warpEl) {
+    warpEl = document.createElement('div')
+    warpEl.style.cssText = `
+      position: fixed;
+      left: -99999px;
+      top: -99999px;
+    `
+    this.mindMap.el.appendChild(warpEl)
+  }
+  warpEl.innerHTML = ''
+  warpEl.appendChild(content)
+  let rect = warpEl.getBoundingClientRect()
+  return {
+    width: rect.width,
+    height: rect.height
+  }
+}
+
+// 是否使用的是自定义节点内容
+function isUseCustomNodeContent()  {
+  return !!this._customNodeContent
+}
+
 export default {
    createImgNode,
    getImgShowSize,
@@ -252,5 +314,7 @@ export default {
    createTextNode,
    createHyperlinkNode,
    createTagNode,
-    createNoteNode
+    createNoteNode,
+    measureCustomNodeContentSize,
+    isUseCustomNodeContent
 }
--- a/simple-mind-map/src/core/render/node/nodeExpandBtn.js
+++ b/simple-mind-map/src/core/render/node/nodeExpandBtn.js
@@ -1,4 +1,4 @@
-import btnsSvg from '../svg/btns'
+import btnsSvg from '../../../svg/btns'
 import { SVG, Circle, G } from '@svgdotjs/svg.js'

 // 创建展开收起按钮的内容节点
@@ -32,15 +32,20 @@ function createExpandNodeContent() {

 //  创建或更新展开收缩按钮内容
 function updateExpandBtnNode() {
+  let { expand } = this.nodeData.data
+  // 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) {
    this._expandBtn.clear()
  }
  this.createExpandNodeContent()
  let node
-  if (this.nodeData.data.expand === false) {
+  if (expand === false) {
    node = this._openExpandNode
+    this._lastExpandBtnType = false
  } else {
    node = this._closeExpandNode
+    this._lastExpandBtnType = true
  }
  if (this._expandBtn) this._expandBtn.add(this._fillExpandNode).add(node)
 }
@@ -93,14 +98,36 @@ function renderExpandBtn() {
    })
    this.group.add(this._expandBtn)
  }
+  this._showExpandBtn = true
  this.updateExpandBtnNode()
  this.updateExpandBtnPos()
 }

 //  移除展开收缩按钮
 function removeExpandBtn() {
-  if (this._expandBtn) {
+  if (this._expandBtn && this._showExpandBtn) {
    this._expandBtn.remove()
+    this._showExpandBtn = false
+  }
+}
+
+// 显示展开收起按钮
+function showExpandBtn() {
+  if (this.mindMap.opt.alwaysShowExpandBtn) return
+  setTimeout(() => {
+    this.renderExpandBtn()
+  }, 0)
+}
+
+// 隐藏展开收起按钮
+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
+  if (!isActive && expand) {
+    setTimeout(() => {
+      this.removeExpandBtn()
+    }, 0)
  }
 }

@@ -109,5 +136,7 @@ export default {
  updateExpandBtnNode,
  updateExpandBtnPos,
  renderExpandBtn,
-  removeExpandBtn
+  removeExpandBtn,
+  showExpandBtn,
+  hideExpandBtn
 }
--- a/simple-mind-map/src/core/render/node/nodeGeneralization.js
+++ b/simple-mind-map/src/core/render/node/nodeGeneralization.js
@@ -1,4 +1,4 @@
-import Node from '../Node'
+import Node from './Node'

 //  检查是否存在概要
 function checkHasGeneralization () {
--- a/simple-mind-map/src/core/view/View.js
+++ b/simple-mind-map/src/core/view/View.js
@@ -1,4 +1,4 @@
-import { CONSTANTS } from './utils/constant'
+import { CONSTANTS } from '../../constants/constant'

 //  视图操作类
 class View {
@@ -28,6 +28,9 @@ class View {
    this.mindMap.keyCommand.addShortcut('Control+Enter', () => {
      this.reset()
    })
+    this.mindMap.keyCommand.addShortcut('Control+i', () => {
+      this.fit()
+    })
    this.mindMap.svg.on('dblclick', () => {
      this.reset()
    })
@@ -56,40 +59,49 @@ class View {
      this.firstDrag = true
    })
    // 放大缩小视图
-    this.mindMap.event.on('mousewheel', (e, dir) => {
-      if (this.mindMap.opt.customHandleMousewheel && typeof this.mindMap.opt.customHandleMousewheel === 'function') {
+    this.mindMap.event.on('mousewheel', (e, dir, event, isTouchPad) => {
+      if (
+        this.mindMap.opt.customHandleMousewheel &&
+        typeof this.mindMap.opt.customHandleMousewheel === 'function'
+      ) {
        return this.mindMap.opt.customHandleMousewheel(e)
      }
-      if (this.mindMap.opt.mousewheelAction === CONSTANTS.MOUSE_WHEEL_ACTION.ZOOM) {
+      if (
+        this.mindMap.opt.mousewheelAction === CONSTANTS.MOUSE_WHEEL_ACTION.ZOOM
+      ) {
        switch (dir) {
          // 鼠标滚轮，向上和向左，都是缩小
          case CONSTANTS.DIR.UP:
          case CONSTANTS.DIR.LEFT:
-            this.narrow()
+            this.narrow(e.clientX, e.clientY)
            break
          // 鼠标滚轮，向下和向右，都是放大
          case CONSTANTS.DIR.DOWN:
          case CONSTANTS.DIR.RIGHT:
-            this.enlarge()
+            this.enlarge(e.clientX, e.clientY)
            break
        }
      } else {
-        switch (dir){
+        let step = this.mindMap.opt.mousewheelMoveStep
+        if (isTouchPad) {
+          step = 5
+        }
+        switch (dir) {
          // 上移
          case CONSTANTS.DIR.DOWN:
-            this.translateY(-this.mindMap.opt.mousewheelMoveStep)
+            this.translateY(-step)
            break
          // 下移
          case CONSTANTS.DIR.UP:
-            this.translateY(this.mindMap.opt.mousewheelMoveStep)
+            this.translateY(step)
            break
          // 右移
          case CONSTANTS.DIR.LEFT:
-            this.translateX(-this.mindMap.opt.mousewheelMoveStep)
+            this.translateX(-step)
            break
          // 左移
          case CONSTANTS.DIR.RIGHT:
-            this.translateX(this.mindMap.opt.mousewheelMoveStep)
+            this.translateX(step)
            break
        }
      }
@@ -124,6 +136,13 @@ class View {
    }
  }

+  //  平移x,y方向
+  translateXY(x, y) {
+    this.x += x
+    this.y += y
+    this.transform()
+  }
+
  //  平移x方向
  translateX(step) {
    this.x += step
@@ -151,8 +170,8 @@ class View {
  //   应用变换
  transform() {
    this.mindMap.draw.transform({
+      origin: [0, 0],
      scale: this.scale,
-      // origin: 'center center',
      translate: [this.x, this.y]
    })
    this.mindMap.emit('view_data_change', this.getTransformData())
@@ -160,36 +179,107 @@ class View {

  //  恢复
  reset() {
+    let scaleChange = this.scale !== 1
    this.scale = 1
    this.x = 0
    this.y = 0
    this.transform()
+    if (scaleChange) {
+      this.mindMap.emit('scale', this.scale)
+    }
  }

  //  缩小
-  narrow() {
-    if (this.scale - this.mindMap.opt.scaleRatio > 0.1) {
-      this.scale -= this.mindMap.opt.scaleRatio
-    } else {
-      this.scale = 0.1
-    }
+  narrow(cx, cy) {
+    const scale = Math.max(this.scale - this.mindMap.opt.scaleRatio, 0.1)
+    this.scaleInCenter(scale, cx, cy)
    this.transform()
    this.mindMap.emit('scale', this.scale)
  }

  //  放大
-  enlarge() {
-    this.scale += this.mindMap.opt.scaleRatio
+  enlarge(cx, cy) {
+    const scale = this.scale + this.mindMap.opt.scaleRatio
+    this.scaleInCenter(scale, cx, cy)
    this.transform()
    this.mindMap.emit('scale', this.scale)
  }

-  //  设置缩放
-  setScale(scale) {
+  // 基于指定中心进行缩放，cx，cy 可不指定，此时会使用画布中心点
+  scaleInCenter(scale, cx, cy) {
+    if (cx === undefined || cy === undefined) {
+      cx = this.mindMap.width / 2
+      cy = this.mindMap.height / 2
+    }
+    const prevScale = this.scale
+    const ratio = 1 - scale / prevScale
+    const dx = (cx - this.x) * ratio
+    const dy = (cy - this.y) * ratio
+    this.x += dx
+    this.y += dy
    this.scale = scale
+  }
+
+  //  设置缩放
+  setScale(scale, cx, cy) {
+    if (cx !== undefined && cy !== undefined) {
+      this.scaleInCenter(scale, cx, cy)
+    } else {
+      this.scale = scale
+    }
    this.transform()
    this.mindMap.emit('scale', this.scale)
  }
+
+  // 适应画布大小
+  fit() {
+    let { fitPadding } = this.mindMap.opt
+    let draw = this.mindMap.draw
+    let origTransform = draw.transform()
+    let rect = draw.rbox()
+    let drawWidth = rect.width / origTransform.scaleX
+    let drawHeight = rect.height / origTransform.scaleY
+    let drawRatio = drawWidth / drawHeight
+    let { width: elWidth, height: elHeight } =
+      this.mindMap.el.getBoundingClientRect()
+    elWidth = elWidth - fitPadding * 2
+    elHeight = elHeight - fitPadding * 2
+    let elRatio = elWidth / elHeight
+    let newScale = 0
+    let flag = ''
+    if (drawWidth <= elWidth && drawHeight <= elHeight) {
+      newScale = 1
+      flag = 1
+    } else {
+      let newWidth = 0
+      let newHeight = 0
+      if (drawRatio > elRatio) {
+        newWidth = elWidth
+        newHeight = elWidth / drawRatio
+        flag = 2
+      } else {
+        newHeight = elHeight
+        newWidth = elHeight * drawRatio
+        flag = 3
+      }
+      newScale = newWidth / drawWidth
+    }
+    this.setScale(newScale)
+    let newRect = draw.rbox()
+    let newX = 0
+    let newY = 0
+    if (flag === 1) {
+      newX = -newRect.x + fitPadding + (elWidth - newRect.width) / 2
+      newY = -newRect.y + fitPadding + (elHeight - newRect.height) / 2
+    } else if (flag === 2) {
+      newX = -newRect.x + fitPadding
+      newY = -newRect.y + fitPadding + (elHeight - newRect.height) / 2
+    } else if (flag === 3) {
+      newX = -newRect.x + fitPadding + (elWidth - newRect.width) / 2
+      newY = -newRect.y + fitPadding
+    }
+    this.translateXY(newX, newY)
+  }
 }

 export default View
--- a/simple-mind-map/src/css/quill.css
+++ b/simple-mind-map/src/css/quill.css
@@ -1,11 +0,0 @@
-.ql-editor {
-    overflow: hidden;
-    padding: 0;
-    height: auto;
-    line-height: normal;
-}
-
-.ql-container {
-    height: auto;
-    font-size: inherit;
-}
--- a/simple-mind-map/src/layouts/Base.js
+++ b/simple-mind-map/src/layouts/Base.js
@@ -1,5 +1,6 @@
-import Node from '../Node'
-import { CONSTANTS } from '../utils/constant'
+import Node from '../core/render/node/Node'
+import { CONSTANTS, initRootNodePositionMap } from '../constants/constant'
+import Lru from '../utils/Lru'

 //  布局基类
 class Base {
@@ -13,8 +14,7 @@ class Base {
    this.draw = this.mindMap.draw
    // 根节点
    this.root = null
-    // 保存所有uid和节点，用于复用
-    this.nodePool = {}
+    this.lru = new Lru(this.mindMap.opt.maxNodeCacheCount)
  }

  //  计算节点位置
@@ -40,11 +40,7 @@ class Base {
    // 记录本次渲染时的节点
    this.renderer.nodeCache[uid] = node
    // 记录所有渲染时的节点
-    this.nodePool[uid] = node
-    // 如果总缓存数量达到1000，直接清空
-    if (Object.keys(this.nodePool).length > 1000) {
-      this.nodePool = {}
-    }
+    this.lru.add(uid, node)
  }

  // 检查当前来源是否需要重新计算节点大小
@@ -67,9 +63,9 @@ class Base {
        newNode.getSize()
        newNode.needLayout = true
      }
-    } else if (this.nodePool[data.data.uid]) {
+    } else if (this.lru.has(data.data.uid) && !this.renderer.reRender) {
      // 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.nodePool[data.data.uid]
+      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)
      newNode.reset()
@@ -117,10 +113,28 @@ class Base {
    return newNode
  }

+  // 格式化节点位置
+  formatPosition(value, size, nodeSize) {
+    if (typeof value === 'number') {
+      return value
+    } else if (initRootNodePositionMap[value] !== undefined) {
+      return size * initRootNodePositionMap[value]
+    } else if (/^\d\d*%$/.test(value)) {
+      return Number.parseFloat(value) / 100 * size
+    } else {
+      return (size - nodeSize) / 2
+    }
+  }
+
  //  定位节点到画布中间
  setNodeCenter(node) {
-    node.left = (this.mindMap.width - node.width) / 2
-    node.top = (this.mindMap.height - node.height) / 2
+    let { initRootNodePosition } = this.mindMap.opt
+    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)
  }

  //  更新子节点属性
@@ -134,6 +148,37 @@ class Base {
    })
  }

+  //  更新子节点多个属性
+  updateChildrenPro(children, props) {
+    children.forEach(item => {
+      Object.keys(props).forEach((prop) => {
+        item[prop] += props[prop]
+      })
+      if (item.children && item.children.length && !item.hasCustomPosition()) {
+        // 适配自定义位置
+        this.updateChildrenPro(item.children, props)
+      }
+    })
+  }
+
+  //  递归计算节点的宽度
+  getNodeAreaWidth(node) {
+    let widthArr = []
+    let loop = (node, width) => {
+      if (node.children.length) {
+        width += node.width / 2
+        node.children.forEach(item => {
+          loop(item, width)
+        })
+      } else {
+        width += node.width
+        widthArr.push(width)
+      }
+    }
+    loop(node, 0)
+    return Math.max(...widthArr)
+  }
+
  //  二次贝塞尔曲线
  quadraticCurvePath(x1, y1, x2, y2) {
    let cx = x1 + (x2 - x1) * 0.2
@@ -243,6 +288,11 @@ class Base {
      generalizationNodeMargin
    }
  }
+
+  // 获取节点实际存在几个子节点
+  getNodeActChildrenLength(node) {
+    return node.nodeData.children && node.nodeData.children.length
+  }
 }

 export default Base
--- a/simple-mind-map/src/layouts/CatalogOrganization.js
+++ b/simple-mind-map/src/layouts/CatalogOrganization.js
@@ -87,11 +87,11 @@ class CatalogOrganization extends Base {
              totalLeft += cur.width + marginX
            })
          } else {
-            let totalTop = node.top + node.height + marginY + node.expandBtnSize
+            let totalTop = node.top + node.height + 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 + node.expandBtnSize
+              totalTop += cur.height + marginY + (this.getNodeActChildrenLength(cur) > 0 ? cur.expandBtnSize : 0)
            })
          }
        }
@@ -115,7 +115,7 @@ class CatalogOrganization extends Base {
          let areaWidth = this.getNodeAreaWidth(node)
          let difference = areaWidth - node.width
          if (difference > 0) {
-            this.updateBrothersLeft(node, difference / 2)
+            this.updateBrothersLeft(node, difference)
          }
        }
        // 调整top
@@ -124,36 +124,24 @@ class CatalogOrganization extends Base {
          let marginY = this.getMarginY(layerIndex + 1)
          let totalHeight =
            node.children.reduce((h, item) => {
-              return h + item.height
+              return h + item.height + (this.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
            }, 0) +
-            (len + 1) * marginY +
-            len * node.expandBtnSize
+            len * marginY
          this.updateBrothersTop(node, totalHeight)
        }
      },
-      null,
+      (node, parent, isRoot) => {
+        if (isRoot) {
+          let { right, left } = this.getNodeBoundaries(node, 'h')
+          let childrenWidth = right - left
+          let offset = (node.left - left) - (childrenWidth - node.width) / 2
+          this.updateChildren(node.children, 'left', offset)
+        }
+      },
      true
    )
  }

-  //  递归计算节点的宽度
-  getNodeAreaWidth(node) {
-    let widthArr = []
-    let loop = (node, width) => {
-      if (node.children.length) {
-        width += node.width / 2
-        node.children.forEach(item => {
-          loop(item, width)
-        })
-      } else {
-        width += node.width
-        widthArr.push(width)
-      }
-    }
-    loop(node, 0)
-    return Math.max(...widthArr)
-  }
-
  //  调整兄弟节点的left
  updateBrothersLeft(node, addWidth) {
    if (node.parent) {
@@ -161,38 +149,15 @@ class CatalogOrganization extends Base {
      let index = childrenList.findIndex(item => {
        return item === node
      })
-      // 存在大于一个节点时，第一个或最后一个节点自身也需要移动，否则两边不对称
-      if (
-        (index === 0 || index === childrenList.length - 1) &&
-        childrenList.length > 1
-      ) {
-        let _offset = index === 0 ? -addWidth : addWidth
-        node.left += _offset
-        if (
-          node.children &&
-          node.children.length &&
-          !node.hasCustomPosition()
-        ) {
-          this.updateChildren(node.children, 'left', _offset)
-        }
-      }
      childrenList.forEach((item, _index) => {
-        if (item.hasCustomPosition()) {
+        if (item.hasCustomPosition() || _index <= index) {
          // 适配自定义位置
          return
        }
-        let _offset = 0
-        if (_index < index) {
-          // 左边的节点往左移
-          _offset = -addWidth
-        } else if (_index > index) {
-          // 右边的节点往右移
-          _offset = addWidth
-        }
-        item.left += _offset
+        item.left += addWidth
        // 同步更新子节点的位置
        if (item.children && item.children.length) {
-          this.updateChildren(item.children, 'left', _offset)
+          this.updateChildren(item.children, 'left', addWidth)
        }
      })
      // 更新父节点的位置
@@ -234,6 +199,9 @@ class CatalogOrganization extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
    let len = node.children.length
    let marginX = this.getMarginX(node.layerIndex + 1)
    if (node.isRoot) {
--- a/simple-mind-map/src/layouts/Fishbone.js
+++ b/simple-mind-map/src/layouts/Fishbone.js
@@ -0,0 +1,378 @@
+import Base from './Base'
+import { walk, asyncRun, degToRad } from '../utils'
+import { CONSTANTS } from '../constants/constant'
+import utils from './fishboneUtils'
+
+//  鱼骨图
+class Fishbone extends Base {
+  //  构造函数
+  constructor(opt = {}) {
+    super(opt)
+    this.indent = 0.3
+    this.childIndent = 0.5
+  }
+
+  //  布局
+  doLayout(callback) {
+    let task = [
+      () => {
+        this.computedBaseValue()
+      },
+      () => {
+        this.computedLeftTopValue()
+      },
+      () => {
+        this.adjustLeftTopValue()
+      },
+      () => {
+        callback(this.root)
+      }
+    ]
+    asyncRun(task)
+  }
+
+  //  遍历数据创建节点、计算根节点的位置，计算根节点的子节点的top值
+  computedBaseValue() {
+    walk(
+      this.renderer.renderTree,
+      null,
+      (node, parent, isRoot, layerIndex, index) => {
+        // 创建节点
+        let newNode = this.createNode(node, parent, isRoot, layerIndex)
+        // 根节点定位在画布中心位置
+        if (isRoot) {
+          this.setNodeCenter(newNode)
+        } else {
+          // 非根节点
+          // 三级及以下节点以上级方向为准
+          if (parent._node.dir) {
+            newNode.dir = parent._node.dir
+          } else {
+            // 节点生长方向
+            newNode.dir =
+              index % 2 === 0
+                ? CONSTANTS.TIMELINE_DIR.TOP
+                : CONSTANTS.TIMELINE_DIR.BOTTOM
+          }
+          // 计算二级节点的top值
+          if (parent._node.isRoot) {
+            if (this.checkIsTop(newNode)) {
+              newNode.top = parent._node.top - newNode.height
+            } else {
+              newNode.top = parent._node.top + parent._node.height
+            }
+          }
+        }
+        if (!node.data.expand) {
+          return true
+        }
+      },
+      null,
+      true,
+      0
+    )
+  }
+
+  //  遍历节点树计算节点的left、top
+  computedLeftTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex) => {
+        if (node.isRoot) {
+          let topTotalLeft = node.left + node.width + node.height
+          let bottomTotalLeft = node.left + node.width + node.height
+          node.children.forEach(item => {
+            if (this.checkIsTop(item)) {
+              item.left = topTotalLeft
+              topTotalLeft += item.width
+            } else {
+              item.left = bottomTotalLeft + 20
+              bottomTotalLeft += item.width
+            }
+          })
+        }
+        let params = { layerIndex, node, ctx: this }
+        if (this.checkIsTop(node)) {
+          utils.top.computedLeftTopValue(params)
+        } else {
+          utils.bottom.computedLeftTopValue(params)
+        }
+      },
+      null,
+      true
+    )
+  }
+
+  //  调整节点left、top
+  adjustLeftTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex) => {
+        if (!node.nodeData.data.expand) {
+          return
+        }
+        let params = { node, parent, layerIndex, ctx: this }
+        if (this.checkIsTop(node)) {
+          utils.top.adjustLeftTopValueBefore(params)
+        } else {
+          utils.bottom.adjustLeftTopValueBefore(params)
+        }
+      },
+      (node, parent) => {
+        let params = { parent, node, ctx: this }
+        if (this.checkIsTop(node)) {
+          utils.top.adjustLeftTopValueAfter(params)
+        } else {
+          utils.bottom.adjustLeftTopValueAfter(params)
+        }
+        // 调整二级节点的子节点的left值
+        if (node.isRoot) {
+          let topTotalLeft = 0
+          let bottomTotalLeft = 0
+          node.children.forEach(item => {
+            if (this.checkIsTop(item)) {
+              item.left += topTotalLeft
+              this.updateChildren(item.children, 'left', topTotalLeft)
+              let { left, right } = this.getNodeBoundaries(item, 'h')
+              topTotalLeft += right - left
+            } else {
+              item.left += bottomTotalLeft
+              this.updateChildren(item.children, 'left', bottomTotalLeft)
+              let { left, right } = this.getNodeBoundaries(item, 'h')
+              bottomTotalLeft += right - left
+            }
+          })
+        }
+      },
+      true
+    )
+  }
+
+  //  递归计算节点的宽度
+  getNodeAreaHeight(node) {
+    let totalHeight = 0
+    let loop = node => {
+      totalHeight +=
+        node.height +
+        (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+      if (node.children.length) {
+        node.children.forEach(item => {
+          loop(item)
+        })
+      }
+    }
+    loop(node)
+    return totalHeight
+  }
+
+  //  调整兄弟节点的left
+  updateBrothersLeft(node) {
+    let childrenList = node.children
+    let totalAddWidth = 0
+    childrenList.forEach(item => {
+      item.left += totalAddWidth
+      if (item.children && item.children.length) {
+        this.updateChildren(item.children, 'left', totalAddWidth)
+      }
+      let { left, right } = this.getNodeBoundaries(item, 'h')
+      let areaWidth = right - left
+      let difference = areaWidth - item.width
+      if (difference > 0) {
+        totalAddWidth += difference
+      }
+    })
+  }
+
+  //  调整兄弟节点的top
+  updateBrothersTop(node, addHeight) {
+    if (node.parent && !node.parent.isRoot) {
+      let childrenList = node.parent.children
+      let index = childrenList.findIndex(item => {
+        return item === node
+      })
+      childrenList.forEach((item, _index) => {
+        if (item.hasCustomPosition()) {
+          // 适配自定义位置
+          return
+        }
+        let _offset = 0
+        // 下面的节点往下移
+        if (_index > index) {
+          _offset = addHeight
+        }
+        item.top += _offset
+        // 同步更新子节点的位置
+        if (item.children && item.children.length) {
+          this.updateChildren(item.children, 'top', _offset)
+        }
+      })
+      // 更新父节点的位置
+      if (this.checkIsTop(node)) {
+        this.updateBrothersTop(node.parent, addHeight)
+      } else {
+        this.updateBrothersTop(
+          node.parent,
+          node.layerIndex === 3 ? 0 : addHeight
+        )
+      }
+    }
+  }
+
+  // 检查节点是否是上方节点
+  checkIsTop(node) {
+    return node.dir === CONSTANTS.TIMELINE_DIR.TOP
+  }
+
+  //  绘制连线，连接该节点到其子节点
+  renderLine(node, lines, style) {
+    if (node.layerIndex !== 1 && node.children.length <= 0) {
+      return []
+    }
+    let { top, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
+    let len = node.children.length
+    if (node.isRoot) {
+      // 当前节点是根节点
+      // 根节点的子节点是和根节点同一水平线排列
+      let maxx = -Infinity
+      node.children.forEach((item) => {
+        if (item.left > maxx) {
+          maxx = item.left
+        }
+        // 水平线段到二级节点的连线
+        let nodeLineX = item.left
+        let offset = node.height / 2
+        let offsetX = offset / Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
+        let line = this.draw.path()
+        if (this.checkIsTop(item)) {
+          line.plot(
+            `M ${nodeLineX - offsetX},${item.top + item.height + offset} L ${item.left},${
+              item.top + item.height
+            }`
+          )
+        } else {
+          line.plot(
+            `M ${nodeLineX - offsetX},${
+              item.top - offset
+            } L ${nodeLineX},${item.top}`
+          )
+        }
+        node.style.line(line)
+        node._lines.push(line)
+        style && style(line, node)
+      })
+      // 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()
+      line.plot(
+        `M ${node.left + node.width},${nodeHalfTop} L ${
+          maxx - offset / Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
+        },${nodeHalfTop}`
+      )
+      node.style.line(line)
+      node._lines.push(line)
+      style && style(line, node)
+    } else {
+      // 当前节点为非根节点
+      let maxy = -Infinity
+      let miny = Infinity
+      let maxx = -Infinity
+      let x = node.left + node.width * this.indent
+      node.children.forEach((item, index) => {
+        if (item.left > maxx) {
+          maxx = item.left
+        }
+        let y = item.top + item.height / 2
+        if (y > maxy) {
+          maxy = y
+        }
+        if (y < miny) {
+          miny = y
+        }
+        // 水平线
+        if (node.layerIndex > 1) {
+          let path = `M ${x},${y} L ${item.left},${y}`
+          lines[index].plot(path)
+          style && style(lines[index], item)
+        }
+      })
+      // 斜线
+      if (len >= 0) {
+        let line = this.draw.path()
+        expandBtnSize = len > 0 ? expandBtnSize : 0
+        let lineLength = maxx - node.left - node.width * this.indent
+        lineLength = Math.max(lineLength, 0)
+        let params = {
+          node,
+          line,
+          top,
+          x,
+          lineLength,
+          height,
+          expandBtnSize,
+          maxy,
+          miny,
+          ctx: this
+        }
+        if (this.checkIsTop(node)) {
+          utils.top.renderLine(params)
+        } else {
+          utils.bottom.renderLine(params)
+        }
+        node.style.line(line)
+        node._lines.push(line)
+        style && style(line, node)
+      }
+    }
+  }
+
+  //  渲染按钮
+  renderExpandBtn(node, btn) {
+    let { width, height, expandBtnSize, isRoot } = node
+    if (!isRoot) {
+      let { translateX, translateY } = btn.transform()
+      let params = {
+        node,
+        btn,
+        expandBtnSize,
+        translateX,
+        translateY,
+        width,
+        height
+      }
+      if (this.checkIsTop(node)) {
+        utils.top.renderExpandBtn(params)
+      } else {
+        utils.bottom.renderExpandBtn(params)
+      }
+    }
+  }
+
+  //  创建概要节点
+  renderGeneralization(node, gLine, gNode) {
+    let {
+      top,
+      bottom,
+      right,
+      generalizationLineMargin,
+      generalizationNodeMargin
+    } = this.getNodeBoundaries(node, 'h')
+    let x1 = right + generalizationLineMargin
+    let y1 = top
+    let x2 = right + generalizationLineMargin
+    let y2 = bottom
+    let cx = x1 + 20
+    let cy = y1 + (y2 - y1) / 2
+    let path = `M ${x1},${y1} Q ${cx},${cy} ${x2},${y2}`
+    gLine.plot(path)
+    gNode.left = right + generalizationNodeMargin
+    gNode.top = top + (bottom - top - gNode.height) / 2
+  }
+}
+
+export default Fishbone
--- a/simple-mind-map/src/layouts/FishboneBottom.js
+++ b/simple-mind-map/src/layouts/FishboneBottom.js
@@ -0,0 +1,369 @@
+import Base from './Base'
+import { walk, asyncRun } from '../utils'
+import { CONSTANTS } from '../utils/constant'
+
+const degToRad = deg => {
+  return (Math.PI / 180) * deg
+}
+
+//  下方鱼骨图
+class Fishbone extends Base {
+  //  构造函数
+  constructor(opt = {}) {
+    super(opt)
+  }
+
+  //  布局
+  doLayout(callback) {
+    let task = [
+      () => {
+        this.computedBaseValue()
+      },
+      () => {
+        this.computedLeftTopValue()
+      },
+      () => {
+        this.adjustLeftTopValue()
+      },
+      () => {
+        callback(this.root)
+      }
+    ]
+    asyncRun(task)
+  }
+
+  //  遍历数据创建节点、计算根节点的位置，计算根节点的子节点的top值
+  computedBaseValue() {
+    walk(
+      this.renderer.renderTree,
+      null,
+      (node, parent, isRoot, layerIndex, index) => {
+        // 创建节点
+        let newNode = this.createNode(node, parent, isRoot, layerIndex)
+        // 根节点定位在画布中心位置
+        if (isRoot) {
+          this.setNodeCenter(newNode)
+        } else {
+          // 非根节点
+          // 三级及以下节点以上级方向为准
+          if (parent._node.dir) {
+            newNode.dir = parent._node.dir
+          } else {
+            // 节点生长方向
+            newNode.dir =
+              index % 2 === 0
+                ? CONSTANTS.TIMELINE_DIR.TOP
+                : CONSTANTS.TIMELINE_DIR.BOTTOM
+          }
+          // 计算二级节点的top值
+          if (parent._node.isRoot) {
+            newNode.top = parent._node.top + parent._node.height
+          }
+        }
+        if (!node.data.expand) {
+          return true
+        }
+      },
+      null,
+      true,
+      0
+    )
+  }
+
+  //  遍历节点树计算节点的left、top
+  computedLeftTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex, index) => {
+        if (node.isRoot) {
+          let totalLeft = node.left + node.width
+          node.children.forEach(item => {
+            item.left = totalLeft
+            totalLeft += item.width
+          })
+        }
+        if (layerIndex === 1 && node.children) {
+          // 遍历二级节点的子节点
+          let startLeft = node.left + node.width * 0.5
+          let totalTop =
+            node.top +
+            node.height +
+            (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+
+          node.children.forEach(item => {
+            item.left = startLeft
+            item.top =
+              totalTop +
+              (this.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+            totalTop +=
+              item.height +
+              (this.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+          })
+        }
+        if (layerIndex > 1 && node.children) {
+          // 遍历三级及以下节点的子节点
+          let startLeft = node.left + node.width * 0.5
+          let totalTop =
+            node.top -
+            (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+          node.children.forEach(item => {
+            item.left = startLeft
+            item.top = totalTop - item.height
+            totalTop -=
+              item.height +
+              (this.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+          })
+        }
+      },
+      null,
+      true
+    )
+  }
+
+  //  调整节点left、top
+  adjustLeftTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex) => {
+        if (!node.nodeData.data.expand) {
+          return
+        }
+        // 调整top
+        let len = node.children.length
+        // 调整三级节点的top
+        // if (layerIndex === 2 && len > 0) {
+        //   let totalHeight = node.children.reduce((h, item) => {
+        //     return h + item.height
+        //   }, 0)
+        //   this.updateBrothersTop(node, totalHeight)
+        // }
+        if (layerIndex > 2 && len > 0) {
+          let totalHeight = node.children.reduce((h, item) => {
+            return (
+              h +
+              item.height +
+              (this.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+            )
+          }, 0)
+          this.updateBrothersTop(node, -totalHeight)
+        }
+      },
+      (node, parent) => {
+        // 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 = 0
+          let totalHeight2 = 0
+          node.children.forEach(item => {
+            // 调整top
+            let hasChildren = this.getNodeActChildrenLength(item) > 0
+            let nodeTotalHeight = this.getNodeAreaHeight(item)
+            let offset =
+              hasChildren > 0
+                ? nodeTotalHeight -
+                  item.height -
+                  (hasChildren ? item.expandBtnSize : 0)
+                : 0
+            let _top = totalHeight + offset
+            item.top += _top
+            // 调整left
+            let offsetLeft =
+              (totalHeight2 + nodeTotalHeight) / Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
+            item.left += offsetLeft
+            totalHeight += offset
+            totalHeight2 += nodeTotalHeight
+            // 同步更新后代节点
+            this.updateChildrenPro(item.children, {
+              top: _top,
+              left: offsetLeft
+            })
+          })
+        }
+        // 调整二级节点的子节点的left值
+        if (node.isRoot) {
+          let totalLeft = 0
+          node.children.forEach(item => {
+            item.left += totalLeft
+            this.updateChildren(item.children, 'left', totalLeft)
+            let { left, right } = this.getNodeBoundaries(item, 'h')
+            totalLeft += right - left
+          })
+        }
+      },
+      true
+    )
+  }
+
+  //  递归计算节点的宽度
+  getNodeAreaHeight(node) {
+    let totalHeight = 0
+    let loop = node => {
+      totalHeight +=
+        node.height +
+        (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+      if (node.children.length) {
+        node.children.forEach(item => {
+          loop(item)
+        })
+      }
+    }
+    loop(node)
+    return totalHeight
+  }
+
+  //  调整兄弟节点的left
+  updateBrothersLeft(node) {
+    let childrenList = node.children
+    let totalAddWidth = 0
+    childrenList.forEach(item => {
+      item.left += totalAddWidth
+      if (item.children && item.children.length) {
+        this.updateChildren(item.children, 'left', totalAddWidth)
+      }
+      // let areaWidth = this.getNodeAreaWidth(item)
+      let { left, right } = this.getNodeBoundaries(item, 'h')
+      let areaWidth = right - left
+      let difference = areaWidth - item.width
+      if (difference > 0) {
+        totalAddWidth += difference
+      }
+    })
+  }
+
+  //  调整兄弟节点的top
+  updateBrothersTop(node, addHeight) {
+    if (node.parent && !node.parent.isRoot) {
+      let childrenList = node.parent.children
+      let index = childrenList.findIndex(item => {
+        return item === node
+      })
+      childrenList.forEach((item, _index) => {
+        if (item.hasCustomPosition()) {
+          // 适配自定义位置
+          return
+        }
+        let _offset = 0
+        // 下面的节点往下移
+        if (_index > index) {
+          _offset = addHeight
+        }
+        item.top += _offset
+        // 同步更新子节点的位置
+        if (item.children && item.children.length) {
+          this.updateChildren(item.children, 'top', _offset)
+        }
+      })
+      // 更新父节点的位置
+      this.updateBrothersTop(node.parent, node.layerIndex === 3 ? 0 : addHeight)
+    }
+  }
+
+  //  绘制连线，连接该节点到其子节点
+  renderLine(node, lines, style) {
+    if (node.children.length <= 0) {
+      return []
+    }
+    let { left, top, width, height, expandBtnSize } = node
+    let len = node.children.length
+    if (node.isRoot) {
+      // 当前节点是根节点
+      let prevBother = node
+      // 根节点的子节点是和根节点同一水平线排列
+      node.children.forEach((item, index) => {
+        let x1 = prevBother.left + prevBother.width
+        let x2 = item.left
+        let y = node.top + node.height / 2
+        let path = `M ${x1},${y} L ${x2},${y}`
+        lines[index].plot(path)
+        style && style(lines[index], item)
+        prevBother = item
+      })
+    } else {
+      // 当前节点为非根节点
+      let maxy = -Infinity
+      let miny = Infinity
+      let maxx = -Infinity
+      let x = node.left + node.width * 0.3
+      node.children.forEach((item, index) => {
+        if (item.left > maxx) {
+          maxx = item.left
+        }
+        let y = item.top + item.height / 2
+        if (y > maxy) {
+          maxy = y
+        }
+        if (y < miny) {
+          miny = y
+        }
+        // 水平线
+        if (node.layerIndex > 1) {
+          let path = `M ${x},${y} L ${item.left},${y}`
+          lines[index].plot(path)
+          style && style(lines[index], item)
+        }
+      })
+      // 竖线
+      if (len > 0) {
+        let line = this.draw.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
+            }`
+          )
+        } else {
+          line.plot(`M ${x},${top} L ${x},${miny}`)
+        }
+        node.style.line(line)
+        node._lines.push(line)
+        style && style(line, node)
+      }
+    }
+  }
+
+  //  渲染按钮
+  renderExpandBtn(node, btn) {
+    let { width, height, expandBtnSize, isRoot } = node
+    if (!isRoot) {
+      let { translateX, translateY } = btn.transform()
+      if (node.parent && node.parent.isRoot) {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          height + expandBtnSize / 2 - translateY
+        )
+      } else {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          -expandBtnSize / 2 - translateY
+        )
+      }
+    }
+  }
+
+  //  创建概要节点
+  renderGeneralization(node, gLine, gNode) {
+    let {
+      top,
+      bottom,
+      right,
+      generalizationLineMargin,
+      generalizationNodeMargin
+    } = this.getNodeBoundaries(node, 'h')
+    let x1 = right + generalizationLineMargin
+    let y1 = top
+    let x2 = right + generalizationLineMargin
+    let y2 = bottom
+    let cx = x1 + 20
+    let cy = y1 + (y2 - y1) / 2
+    let path = `M ${x1},${y1} Q ${cx},${cy} ${x2},${y2}`
+    gLine.plot(path)
+    gNode.left = right + generalizationNodeMargin
+    gNode.top = top + (bottom - top - gNode.height) / 2
+  }
+}
+
+export default Fishbone
--- a/simple-mind-map/src/layouts/FishboneTop.js
+++ b/simple-mind-map/src/layouts/FishboneTop.js
@@ -0,0 +1,350 @@
+import Base from './Base'
+import { walk, asyncRun } from '../utils'
+import { CONSTANTS } from '../utils/constant'
+
+const degToRad = deg => {
+  return (Math.PI / 180) * deg
+}
+
+//  上方鱼骨图
+class Fishbone extends Base {
+  //  构造函数
+  constructor(opt = {}) {
+    super(opt)
+  }
+
+  //  布局
+  doLayout(callback) {
+    let task = [
+      () => {
+        this.computedBaseValue()
+      },
+      () => {
+        this.computedLeftTopValue()
+      },
+      () => {
+        this.adjustLeftTopValue()
+      },
+      () => {
+        callback(this.root)
+      }
+    ]
+    asyncRun(task)
+  }
+
+  //  遍历数据创建节点、计算根节点的位置，计算根节点的子节点的top值
+  computedBaseValue() {
+    walk(
+      this.renderer.renderTree,
+      null,
+      (node, parent, isRoot, layerIndex, index) => {
+        // 创建节点
+        let newNode = this.createNode(node, parent, isRoot, layerIndex)
+        // 根节点定位在画布中心位置
+        if (isRoot) {
+          this.setNodeCenter(newNode)
+        } else {
+          // 非根节点
+          // 三级及以下节点以上级方向为准
+          if (parent._node.dir) {
+            newNode.dir = parent._node.dir
+          } else {
+            // 节点生长方向
+            newNode.dir =
+              index % 2 === 0
+                ? CONSTANTS.TIMELINE_DIR.TOP
+                : CONSTANTS.TIMELINE_DIR.BOTTOM
+          }
+          // 计算二级节点的top值
+          if (parent._node.isRoot) {
+            newNode.top = parent._node.top - newNode.height
+          }
+        }
+        if (!node.data.expand) {
+          return true
+        }
+      },
+      null,
+      true,
+      0
+    )
+  }
+
+  //  遍历节点树计算节点的left、top
+  computedLeftTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex, index) => {
+        if (node.isRoot) {
+          let totalLeft = node.left + node.width
+          node.children.forEach(item => {
+            item.left = totalLeft
+            totalLeft += item.width
+          })
+        }
+        if (layerIndex >= 1 && node.children) {
+          // 遍历三级及以下节点的子节点
+          let startLeft = node.left + node.width * 0.5
+          let totalTop =
+            node.top +
+            node.height +
+            (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+          node.children.forEach(item => {
+            item.left = startLeft
+            item.top += totalTop
+            totalTop +=
+              item.height +
+              (this.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+          })
+        }
+      },
+      null,
+      true
+    )
+  }
+
+  //  调整节点left、top
+  adjustLeftTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex) => {
+        if (!node.nodeData.data.expand) {
+          return
+        }
+        // 调整top
+        let len = node.children.length
+        // 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 +
+              (this.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+            )
+          }, 0)
+          this.updateBrothersTop(node, totalHeight)
+        }
+      },
+      (node, parent) => {
+        // 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 = 0
+          node.children.forEach(item => {
+            // 调整top
+            let nodeTotalHeight = this.getNodeAreaHeight(item)
+            let _top = item.top
+            item.top =
+              node.top - (item.top - node.top) - nodeTotalHeight + node.height
+            // 调整left
+            let offsetLeft =
+              (nodeTotalHeight + totalHeight) / Math.tan(degToRad(this.mindMap.opt.fishboneDeg))
+            item.left += offsetLeft
+            totalHeight += nodeTotalHeight
+            // 同步更新后代节点
+            this.updateChildrenPro(item.children, {
+              top: item.top - _top,
+              left: offsetLeft
+            })
+          })
+        }
+        // 调整二级节点的子节点的left值
+        if (node.isRoot) {
+          let totalLeft = 0
+          node.children.forEach(item => {
+            item.left += totalLeft
+            this.updateChildren(item.children, 'left', totalLeft)
+            let { left, right } = this.getNodeBoundaries(item, 'h')
+            totalLeft += right - left
+          })
+        }
+      },
+      true
+    )
+  }
+
+  //  递归计算节点的宽度
+  getNodeAreaHeight(node) {
+    let totalHeight = 0
+    let loop = node => {
+      totalHeight +=
+        node.height +
+        (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+      if (node.children.length) {
+        node.children.forEach(item => {
+          loop(item)
+        })
+      }
+    }
+    loop(node)
+    return totalHeight
+  }
+
+  //  调整兄弟节点的left
+  updateBrothersLeft(node) {
+    let childrenList = node.children
+    let totalAddWidth = 0
+    childrenList.forEach(item => {
+      item.left += totalAddWidth
+      if (item.children && item.children.length) {
+        this.updateChildren(item.children, 'left', totalAddWidth)
+      }
+      // let areaWidth = this.getNodeAreaWidth(item)
+      let { left, right } = this.getNodeBoundaries(item, 'h')
+      let areaWidth = right - left
+      let difference = areaWidth - item.width
+      if (difference > 0) {
+        totalAddWidth += difference
+      }
+    })
+  }
+
+  //  调整兄弟节点的top
+  updateBrothersTop(node, addHeight) {
+    if (node.parent && !node.parent.isRoot) {
+      let childrenList = node.parent.children
+      let index = childrenList.findIndex(item => {
+        return item === node
+      })
+      childrenList.forEach((item, _index) => {
+        if (item.hasCustomPosition()) {
+          // 适配自定义位置
+          return
+        }
+        let _offset = 0
+        // 下面的节点往下移
+        if (_index > index) {
+          _offset = addHeight
+        }
+        item.top += _offset
+        // 同步更新子节点的位置
+        if (item.children && item.children.length) {
+          this.updateChildren(item.children, 'top', _offset)
+        }
+      })
+      // 更新父节点的位置
+      this.updateBrothersTop(node.parent, addHeight)
+    }
+  }
+
+  //  绘制连线，连接该节点到其子节点
+  renderLine(node, lines, style) {
+    if (node.children.length <= 0) {
+      return []
+    }
+    let { left, top, width, height, expandBtnSize } = node
+    let len = node.children.length
+    if (node.isRoot) {
+      // 当前节点是根节点
+      let prevBother = node
+      // 根节点的子节点是和根节点同一水平线排列
+      node.children.forEach((item, index) => {
+        let x1 = prevBother.left + prevBother.width
+        let x2 = item.left
+        let y = node.top + node.height / 2
+        let path = `M ${x1},${y} L ${x2},${y}`
+        lines[index].plot(path)
+        style && style(lines[index], item)
+        prevBother = item
+      })
+    } else {
+      // 当前节点为非根节点
+      let maxy = -Infinity
+      let miny = Infinity
+      let maxx = -Infinity
+      let x = node.left + node.width * 0.3
+      node.children.forEach((item, index) => {
+        if (item.left > maxx) {
+          maxx = item.left
+        }
+        let y = item.top + item.height / 2
+        if (y > maxy) {
+          maxy = y
+        }
+        if (y < miny) {
+          miny = y
+        }
+        // 水平线
+        if (node.layerIndex > 1) {
+          let path = `M ${x},${y} L ${item.left},${y}`
+          lines[index].plot(path)
+          style && style(lines[index], item)
+        }
+      })
+      // 竖线
+      if (len > 0) {
+        let line = this.draw.path()
+        expandBtnSize = len > 0 ? expandBtnSize : 0
+        let lineLength = maxx - node.left - node.width * 0.3
+        if (
+          node.parent &&
+          node.parent.isRoot &&
+          node.dir === CONSTANTS.TIMELINE_DIR.TOP
+        ) {
+          line.plot(
+            `M ${x},${top} L ${x + lineLength},${
+              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
+              }`
+            )
+          } else {
+            line.plot(`M ${x},${top + height + expandBtnSize} L ${x},${maxy}`)
+          }
+        }
+        node.style.line(line)
+        node._lines.push(line)
+        style && style(line, node)
+      }
+    }
+  }
+
+  //  渲染按钮
+  renderExpandBtn(node, btn) {
+    let { width, height, expandBtnSize, isRoot } = node
+    if (!isRoot) {
+      let { translateX, translateY } = btn.transform()
+      if (node.parent && node.parent.isRoot) {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          -expandBtnSize / 2 - translateY
+        )
+      } else {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          height + expandBtnSize / 2 - translateY
+        )
+      }
+    }
+  }
+
+  //  创建概要节点
+  renderGeneralization(node, gLine, gNode) {
+    let {
+      top,
+      bottom,
+      right,
+      generalizationLineMargin,
+      generalizationNodeMargin
+    } = this.getNodeBoundaries(node, 'h')
+    let x1 = right + generalizationLineMargin
+    let y1 = top
+    let x2 = right + generalizationLineMargin
+    let y2 = bottom
+    let cx = x1 + 20
+    let cy = y1 + (y2 - y1) / 2
+    let path = `M ${x1},${y1} Q ${cx},${cy} ${x2},${y2}`
+    gLine.plot(path)
+    gNode.left = right + generalizationNodeMargin
+    gNode.top = top + (bottom - top - gNode.height) / 2
+  }
+}
+
+export default Fishbone
--- a/simple-mind-map/src/layouts/LogicalStructure.js
+++ b/simple-mind-map/src/layouts/LogicalStructure.js
@@ -159,6 +159,9 @@ class LogicalStructure extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
    let marginX = this.getMarginX(node.layerIndex + 1)
    let s1 = (marginX - expandBtnSize) * 0.6
    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
@@ -188,6 +191,9 @@ class LogicalStructure extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
    node.children.forEach((item, index) => {
      let x1 =
@@ -213,6 +219,9 @@ class LogicalStructure extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
    node.children.forEach((item, index) => {
      let x1 =
@@ -245,9 +254,15 @@ class LogicalStructure extends Base {
    let nodeUseLineStyleOffset = this.mindMap.themeConfig.nodeUseLineStyle
      ? height / 2
      : 0
+    // 位置没有变化则返回
+    let _x = width
+    let _y = height / 2 + nodeUseLineStyleOffset
+    if (_x === translateX && _y === translateY) {
+      return
+    }
    btn.translate(
-      width - translateX,
-      height / 2 - translateY + nodeUseLineStyleOffset
+      _x - translateX,
+      _y - translateY
    )
  }

--- a/simple-mind-map/src/layouts/MindMap.js
+++ b/simple-mind-map/src/layouts/MindMap.js
@@ -198,6 +198,9 @@ class MindMap extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
    let marginX = this.getMarginX(node.layerIndex + 1)
    let s1 = (marginX - expandBtnSize) * 0.6
    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
@@ -235,6 +238,9 @@ class MindMap extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
    node.children.forEach((item, index) => {
      let x1 =
@@ -269,6 +275,9 @@ class MindMap extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
    node.children.forEach((item, index) => {
      let x1 =
@@ -276,7 +285,7 @@ class MindMap extends Base {
          ? left + width / 2
          : item.dir === 'left'
          ? left - expandBtnSize
-          : left + width + 20
+          : left + width + expandBtnSize
      let y1 = top + height / 2
      let x2 = item.dir === 'left' ? item.left + item.width : item.left
      let y2 = item.top + item.height / 2
@@ -310,8 +319,14 @@ class MindMap extends Base {
    let nodeUseLineStyleOffset = this.mindMap.themeConfig.nodeUseLineStyle
      ? height / 2
      : 0
-    let x = (node.dir === 'left' ? 0 - expandBtnSize : width) - translateX
-    let y = height / 2 - translateY + nodeUseLineStyleOffset
+    // 位置没有变化则返回
+    let _x = (node.dir === 'left' ? 0 - expandBtnSize : width)
+    let _y = height / 2 + nodeUseLineStyleOffset
+    if (_x === translateX && _y === translateY) {
+      return
+    }
+    let x = _x - translateX
+    let y = _y - translateY
    btn.translate(x, y)
  }

--- a/simple-mind-map/src/layouts/OrganizationStructure.js
+++ b/simple-mind-map/src/layouts/OrganizationStructure.js
@@ -179,6 +179,9 @@ class OrganizationStructure extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize, isRoot } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
    let x1 = left + width / 2
    let y1 = top + height
    let marginX = this.getMarginX(node.layerIndex + 1)
--- a/simple-mind-map/src/layouts/Timeline.js
+++ b/simple-mind-map/src/layouts/Timeline.js
@@ -0,0 +1,341 @@
+import Base from './Base'
+import { walk, asyncRun } from '../utils'
+import { CONSTANTS } from '../constants/constant'
+
+//  时间轴
+class Timeline extends Base {
+  //  构造函数
+  constructor(opt = {}, layout) {
+    super(opt)
+    this.layout = layout
+  }
+
+  //  布局
+  doLayout(callback) {
+    let task = [
+      () => {
+        this.computedBaseValue()
+      },
+      () => {
+        this.computedLeftTopValue()
+      },
+      () => {
+        this.adjustLeftTopValue()
+      },
+      () => {
+        callback(this.root)
+      }
+    ]
+    asyncRun(task)
+  }
+
+  //  遍历数据创建节点、计算根节点的位置，计算根节点的子节点的top值
+  computedBaseValue() {
+    walk(
+      this.renderer.renderTree,
+      null,
+      (cur, parent, isRoot, layerIndex, index) => {
+        let newNode = this.createNode(cur, parent, isRoot, layerIndex)
+        // 根节点定位在画布中心位置
+        if (isRoot) {
+          this.setNodeCenter(newNode)
+        } else {
+          // 非根节点
+          // 时间轴2类型需要交替显示
+          if (this.layout === CONSTANTS.LAYOUT.TIMELINE2) {
+            // 三级及以下节点以上级为准
+            if (parent._node.dir) {
+              newNode.dir = parent._node.dir
+            } else {
+              // 节点生长方向
+              newNode.dir =
+                index % 2 === 0
+                  ? CONSTANTS.TIMELINE_DIR.BOTTOM
+                  : CONSTANTS.TIMELINE_DIR.TOP
+            }
+          } else {
+            newNode.dir = ''
+          }
+          if (parent._node.isRoot) {
+            newNode.top =
+              parent._node.top +
+              (cur._node.height > parent._node.height
+                ? -(cur._node.height - parent._node.height) / 2
+                : (parent._node.height - cur._node.height) / 2)
+          }
+        }
+        if (!cur.data.expand) {
+          return true
+        }
+      },
+      null,
+      true,
+      0
+    )
+  }
+
+  //  遍历节点树计算节点的left、top
+  computedLeftTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex, index) => {
+        if (
+          node.nodeData.data.expand &&
+          node.children &&
+          node.children.length
+        ) {
+          let marginX = this.getMarginX(layerIndex + 1)
+          let marginY = this.getMarginY(layerIndex + 1)
+          if (isRoot) {
+            let left = node.left + node.width
+            let totalLeft = left + marginX
+            node.children.forEach(cur => {
+              cur.left = totalLeft
+              totalLeft += cur.width + marginX
+            })
+          } else {
+            let totalTop =
+              node.top +
+              node.height +
+              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)
+            })
+          }
+        }
+      },
+      null,
+      true
+    )
+  }
+
+  //  调整节点left、top
+  adjustLeftTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex) => {
+        if (!node.nodeData.data.expand) {
+          return
+        }
+        // 调整left
+        if (node.isRoot) {
+          this.updateBrothersLeft(node)
+        }
+        // 调整top
+        let len = node.children.length
+        if (parent && !parent.isRoot && len > 0) {
+          let marginY = this.getMarginY(layerIndex + 1)
+          let totalHeight =
+            node.children.reduce((h, item) => {
+              return (
+                h +
+                item.height +
+                (this.getNodeActChildrenLength(item) > 0
+                  ? item.expandBtnSize
+                  : 0)
+              )
+            }, 0) +
+            len * marginY
+          this.updateBrothersTop(node, totalHeight)
+        }
+      },
+      (node, parent, isRoot, layerIndex) => {
+        if (
+          parent &&
+          parent.isRoot &&
+          node.dir === CONSTANTS.TIMELINE_DIR.TOP
+        ) {
+          // 遍历二级节点的子节点
+          node.children.forEach(item => {
+            let totalHeight = this.getNodeAreaHeight(item)
+            let _top = item.top
+            item.top =
+              node.top - (item.top - node.top) - totalHeight + node.height
+            this.updateChildren(item.children, 'top', item.top - _top)
+          })
+        }
+      },
+      true
+    )
+  }
+
+  //  递归计算节点的宽度
+  getNodeAreaHeight(node) {
+    let totalHeight = 0
+    let loop = node => {
+      totalHeight +=
+        node.height +
+        (this.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0) +
+        this.getMarginY(node.layerIndex)
+      if (node.children.length) {
+        node.children.forEach(item => {
+          loop(item)
+        })
+      }
+    }
+    loop(node)
+    return totalHeight
+  }
+
+  //  调整兄弟节点的left
+  updateBrothersLeft(node) {
+    let childrenList = node.children
+    let totalAddWidth = 0
+    childrenList.forEach(item => {
+      item.left += totalAddWidth
+      if (item.children && item.children.length) {
+        this.updateChildren(item.children, 'left', totalAddWidth)
+      }
+      // let areaWidth = this.getNodeAreaWidth(item)
+      let { left, right } = this.getNodeBoundaries(item, 'h')
+      let areaWidth = right - left
+      let difference = areaWidth - item.width
+      if (difference > 0) {
+        totalAddWidth += difference
+      }
+    })
+  }
+
+  //  调整兄弟节点的top
+  updateBrothersTop(node, addHeight) {
+    if (node.parent && !node.parent.isRoot) {
+      let childrenList = node.parent.children
+      let index = childrenList.findIndex(item => {
+        return item === node
+      })
+      childrenList.forEach((item, _index) => {
+        if (item.hasCustomPosition()) {
+          // 适配自定义位置
+          return
+        }
+        let _offset = 0
+        // 下面的节点往下移
+        if (_index > index) {
+          _offset = addHeight
+        }
+        item.top += _offset
+        // 同步更新子节点的位置
+        if (item.children && item.children.length) {
+          this.updateChildren(item.children, 'top', _offset)
+        }
+      })
+      // 更新父节点的位置
+      this.updateBrothersTop(node.parent, addHeight)
+    }
+  }
+
+  //  绘制连线，连接该节点到其子节点
+  renderLine(node, lines, style) {
+    if (node.children.length <= 0) {
+      return []
+    }
+    let { left, top, width, height, expandBtnSize } = node
+    if (!this.mindMap.opt.alwaysShowExpandBtn) {
+      expandBtnSize = 0
+    }
+    let len = node.children.length
+    if (node.isRoot) {
+      // 当前节点是根节点
+      let prevBother = node
+      // 根节点的子节点是和根节点同一水平线排列
+      node.children.forEach((item, index) => {
+        let x1 = prevBother.left + prevBother.width
+        let x2 = item.left
+        let y = node.top + node.height / 2
+        let path = `M ${x1},${y} L ${x2},${y}`
+        lines[index].plot(path)
+        style && style(lines[index], item)
+        prevBother = item
+      })
+    } else {
+      // 当前节点为非根节点
+      let maxy = -Infinity
+      let miny = Infinity
+      let x = node.left + node.width * 0.3
+      node.children.forEach((item, index) => {
+        let y = item.top + item.height / 2
+        if (y > maxy) {
+          maxy = y
+        }
+        if (y < miny) {
+          miny = y
+        }
+        // 水平线
+        let path = `M ${x},${y} L ${item.left},${y}`
+        lines[index].plot(path)
+        style && style(lines[index], item)
+      })
+      // 竖线
+      if (len > 0) {
+        let line = this.draw.path()
+        expandBtnSize = len > 0 ? expandBtnSize : 0
+        if (
+          node.parent &&
+          node.parent.isRoot &&
+          node.dir === CONSTANTS.TIMELINE_DIR.TOP
+        ) {
+          line.plot(`M ${x},${top} L ${x},${miny}`)
+        } else {
+          line.plot(`M ${x},${top + height + expandBtnSize} L ${x},${maxy}`)
+        }
+        node.style.line(line)
+        node._lines.push(line)
+        style && style(line, node)
+      }
+    }
+  }
+
+  //  渲染按钮
+  renderExpandBtn(node, btn) {
+    let { width, height, expandBtnSize, isRoot } = node
+    if (!isRoot) {
+      let { translateX, translateY } = btn.transform()
+      if (
+        node.parent &&
+        node.parent.isRoot &&
+        node.dir === CONSTANTS.TIMELINE_DIR.TOP
+      ) {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          -expandBtnSize / 2 - translateY
+        )
+      } else {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          height + expandBtnSize / 2 - translateY
+        )
+      }
+    }
+  }
+
+  //  创建概要节点
+  renderGeneralization(node, gLine, gNode) {
+    let {
+      top,
+      bottom,
+      right,
+      generalizationLineMargin,
+      generalizationNodeMargin
+    } = this.getNodeBoundaries(node, 'h')
+    let x1 = right + generalizationLineMargin
+    let y1 = top
+    let x2 = right + generalizationLineMargin
+    let y2 = bottom
+    let cx = x1 + 20
+    let cy = y1 + (y2 - y1) / 2
+    let path = `M ${x1},${y1} Q ${cx},${cy} ${x2},${y2}`
+    gLine.plot(path)
+    gNode.left = right + generalizationNodeMargin
+    gNode.top = top + (bottom - top - gNode.height) / 2
+  }
+}
+
+export default Timeline
--- a/simple-mind-map/src/layouts/fishboneUtils.js
+++ b/simple-mind-map/src/layouts/fishboneUtils.js
@@ -0,0 +1,216 @@
+import { degToRad } from '../utils/'
+
+export default {
+  top: {
+    renderExpandBtn({
+      node,
+      btn,
+      expandBtnSize,
+      translateX,
+      translateY,
+      width,
+      height
+    }) {
+      if (node.parent && node.parent.isRoot) {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          -expandBtnSize / 2 - translateY
+        )
+      } else {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          height + expandBtnSize / 2 - translateY
+        )
+      }
+    },
+    renderLine({
+      node,
+      line,
+      top,
+      x,
+      lineLength,
+      height,
+      expandBtnSize,
+      maxy,
+      ctx
+    }) {
+      if (node.parent && node.parent.isRoot) {
+        line.plot(
+          `M ${x},${top} L ${x + lineLength},${
+            top - Math.tan(degToRad(ctx.mindMap.opt.fishboneDeg)) * lineLength
+          }`
+        )
+      } else {
+        line.plot(`M ${x},${top + height + expandBtnSize} L ${x},${maxy}`)
+      }
+    },
+    computedLeftTopValue({ layerIndex, node, ctx }) {
+      if (layerIndex >= 1 && node.children) {
+        // 遍历三级及以下节点的子节点
+        let startLeft = node.left + node.width * ctx.childIndent
+        let totalTop =
+          node.top +
+          node.height +
+          (ctx.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+        node.children.forEach(item => {
+          item.left = startLeft
+          item.top += totalTop
+          totalTop +=
+            item.height +
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+        })
+      }
+    },
+    adjustLeftTopValueBefore({ node, parent, ctx }) {
+      // 调整top
+      let len = node.children.length
+      // 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)
+          )
+        }, 0)
+        ctx.updateBrothersTop(node, totalHeight)
+      }
+    },
+    adjustLeftTopValueAfter({ parent, node, ctx }) {
+      // 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
+        node.children.forEach(item => {
+          // 调整top
+          let nodeTotalHeight = ctx.getNodeAreaHeight(item)
+          let _top = item.top
+          let _left = item.left
+          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))
+          totalHeight += nodeTotalHeight
+          // 同步更新后代节点
+          ctx.updateChildrenPro(item.children, {
+            top: item.top - _top,
+            left: item.left - _left
+          })
+        })
+      }
+    }
+  },
+  bottom: {
+    renderExpandBtn({
+      node,
+      btn,
+      expandBtnSize,
+      translateX,
+      translateY,
+      width,
+      height
+    }) {
+      if (node.parent && node.parent.isRoot) {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          height + expandBtnSize / 2 - translateY
+        )
+      } else {
+        btn.translate(
+          width * 0.3 - expandBtnSize / 2 - translateX,
+          -expandBtnSize / 2 - translateY
+        )
+      }
+    },
+    renderLine({ node, line, top, x, lineLength, height, miny, ctx }) {
+      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
+          }`
+        )
+      } else {
+        line.plot(`M ${x},${top} L ${x},${miny}`)
+      }
+    },
+    computedLeftTopValue({ layerIndex, node, ctx }) {
+      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)
+
+        node.children.forEach(item => {
+          item.left = startLeft
+          item.top =
+            totalTop +
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+          totalTop +=
+            item.height +
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+        })
+      }
+      if (layerIndex > 1 && node.children) {
+        // 遍历三级及以下节点的子节点
+        let startLeft = node.left + node.width * ctx.childIndent
+        let totalTop =
+          node.top -
+          (ctx.getNodeActChildrenLength(node) > 0 ? node.expandBtnSize : 0)
+        node.children.forEach(item => {
+          item.left = startLeft
+          item.top = totalTop - item.height
+          totalTop -=
+            item.height +
+            (ctx.getNodeActChildrenLength(item) > 0 ? item.expandBtnSize : 0)
+        })
+      }
+    },
+    adjustLeftTopValueBefore({ node, ctx, layerIndex }) {
+      // 调整top
+      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)
+          )
+        }, 0)
+        ctx.updateBrothersTop(node, -totalHeight)
+      }
+    },
+    adjustLeftTopValueAfter({ parent, node, ctx }) {
+      // 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 = 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 _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))
+          totalHeight += offset
+          totalHeight2 += nodeTotalHeight
+          // 同步更新后代节点
+          ctx.updateChildrenPro(item.children, {
+            top: _top,
+            left: item.left - _left
+          })
+        })
+      }
+    }
+  }
+}
--- a/simple-mind-map/src/plugins/AssociativeLine.js
+++ b/simple-mind-map/src/plugins/AssociativeLine.js
@@ -1,15 +1,15 @@
-import { walk, bfsWalk, throttle } from './utils/'
+import { walk, bfsWalk, throttle } from '../utils'
 import { v4 as uuid } from 'uuid'
 import {
  getAssociativeLineTargetIndex,
  computeCubicBezierPathPoints,
-  joinCubicBezierPath,
  cubicBezierPath,
  getNodePoint,
  computeNodePoints,
-  getNodeLinePath,
-  getDefaultControlPointOffsets
-} from './utils/associativeLineUtils'
+  getNodeLinePath
+} from './associativeLine/associativeLineUtils'
+import associativeLineControlsMethods from './associativeLine/associativeLineControls'
+import associativeLineTextMethods from './associativeLine/associativeLineText'

 // 关联线类
 class AssociativeLine {
@@ -46,6 +46,14 @@ class AssociativeLine {
    }
    // 节流一下，不然很卡
    this.checkOverlapNode = throttle(this.checkOverlapNode, 100, this)
+    // 控制点相关方法
+    Object.keys(associativeLineControlsMethods).forEach(item => {
+      this[item] = associativeLineControlsMethods[item].bind(this)
+    })
+    // 关联线文字相关方法
+    Object.keys(associativeLineTextMethods).forEach(item => {
+      this[item] = associativeLineTextMethods[item].bind(this)
+    })
    this.bindEvent()
  }

@@ -83,12 +91,9 @@ class AssociativeLine {
    this.mindMap.on('node_dragging', this.onNodeDragging.bind(this))
    this.mindMap.on('node_dragend', this.onNodeDragend.bind(this))
    // 拖拽控制点
-    window.addEventListener('mousemove', e => {
-      this.onControlPointMousemove(e)
-    })
-    window.addEventListener('mouseup', e => {
-      this.onControlPointMouseup(e)
-    })
+    this.mindMap.on('mouseup', this.onControlPointMouseup.bind(this))
+    // 缩放事件
+    this.mindMap.on('scale', this.onScale)
  }

  // 创建箭头
@@ -177,36 +182,46 @@ class AssociativeLine {
      .stroke({ width: associativeLineActiveWidth, color: 'transparent' })
      .fill({ color: 'none' })
    clickPath.plot(pathStr)
+    // 文字
+    let text = this.createText({ path, clickPath, node, toNode, startPoint, endPoint, controlPoints })
    // 点击事件
    clickPath.click(e => {
      e.stopPropagation()
-      // 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, node, toNode]
-        // 让不可见的点击线显示
-        clickPath.stroke({ color: associativeLineActiveColor })
-        // 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.setActiveLine({ path, clickPath, text, node, toNode, startPoint, endPoint, controlPoints })
    })
-    this.lineList.push([path, clickPath, node, toNode])
+    // 渲染关联线文字
+    this.renderText(this.getText(node, toNode), path, text)
+    this.lineList.push([path, clickPath, text, node, toNode])
+  }
+
+  // 激活某根关联线
+  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)
+    }
  }

  // 移除所有连接线
@@ -214,6 +229,7 @@ class AssociativeLine {
    this.lineList.forEach(line => {
      line[0].remove()
      line[1].remove()
+      line[2].remove()
    })
    this.lineList = []
  }
@@ -245,15 +261,17 @@ class AssociativeLine {

  // 鼠标移动事件
  onMousemove(e) {
-    if (!this.isCreatingLine) return
+    this.onControlPointMousemove(e)
    this.updateCreatingLine(e)
  }

  // 更新创建过程中的连接线
  updateCreatingLine(e) {
+    if (!this.isCreatingLine) return
    let { x, y } = this.getTransformedEventPos(e)
    let startPoint = getNodePoint(this.creatingStartNode)
-    let pathStr = cubicBezierPath(startPoint.x, startPoint.y, x, y)
+    let offsetX = x > startPoint.x ? -10 : 10
+    let pathStr = cubicBezierPath(startPoint.x, startPoint.y, x + offsetX, y)
    this.creatingLine.plot(pathStr)
    this.checkOverlapNode(x, y)
  }
@@ -349,20 +367,33 @@ class AssociativeLine {
  // 删除连接线
  removeLine() {
    if (!this.activeLine) return
-    let [, , node, toNode] = this.activeLine
+    let [, , , node, toNode] = this.activeLine
    this.removeControls()
-    let { associativeLineTargets, associativeLineTargetControlOffsets } =
+    let { associativeLineTargets, associativeLineTargetControlOffsets, associativeLineText } =
      node.nodeData.data
    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) {
+          newAssociativeLineText[item] = associativeLineText[item]
+        }
+      })
+    }
    this.mindMap.execCommand('SET_NODE_DATA', node, {
+      // 目标
      associativeLineTargets: associativeLineTargets.filter((_, index) => {
        return index !== targetIndex
      }),
+      // 偏移量
      associativeLineTargetControlOffsets: associativeLineTargetControlOffsets
        ? associativeLineTargetControlOffsets.filter((_, index) => {
            return index !== targetIndex
          })
-        : []
+        : [],
+      // 文本
+      associativeLineText: newAssociativeLineText
    })
  }

@@ -376,9 +407,16 @@ class AssociativeLine {
  // 清除激活的线
  clearActiveLine() {
    if (this.activeLine) {
-      this.activeLine[1].stroke({
+      let [, clickPath, text, node, toNode] = this.activeLine
+      clickPath.stroke({
        color: 'transparent'
      })
+      // 隐藏关联线文本编辑框
+      this.hideEditTextBox()
+      // 如果当前关联线没有文字，则清空文字节点
+      if (!this.getText(node, toNode)) {
+        text.clear()
+      }
      this.activeLine = null
      this.removeControls()
    }
@@ -391,6 +429,7 @@ class AssociativeLine {
    this.lineList.forEach(line => {
      line[0].hide()
      line[1].hide()
+      line[2].hide()
    })
    this.hideControls()
  }
@@ -401,225 +440,11 @@ class AssociativeLine {
    this.lineList.forEach(line => {
      line[0].show()
      line[1].show()
+      line[2].show()
    })
    this.showControls()
    this.isNodeDragging = false
  }
-
-  // 创建控制点、连线节点
-  createControlNodes() {
-    let { associativeLineActiveColor } = this.mindMap.themeConfig
-    // 连线
-    this.controlLine1 = this.draw
-      .line()
-      .stroke({ color: associativeLineActiveColor, width: 2 })
-    this.controlLine2 = this.draw
-      .line()
-      .stroke({ color: associativeLineActiveColor, width: 2 })
-    // 控制点
-    this.controlPoint1 = this.createOneControlNode('controlPoint1')
-    this.controlPoint2 = this.createOneControlNode('controlPoint2')
-  }
-
-  // 创建控制点
-  createOneControlNode(pointKey) {
-    let { associativeLineActiveColor } = this.mindMap.themeConfig
-    return this.draw
-      .circle(this.controlPointDiameter)
-      .stroke({ color: associativeLineActiveColor })
-      .fill({ color: '#fff' })
-      .click(e => {
-        e.stopPropagation()
-      })
-      .mousedown(e => {
-        this.onControlPointMousedown(e, pointKey)
-      })
-  }
-
-  // 控制点的鼠标按下事件
-  onControlPointMousedown(e, pointKey) {
-    e.stopPropagation()
-    this.isControlPointMousedown = true
-    this.mousedownControlPointKey = pointKey
-  }
-
-  // 控制点的鼠标移动事件
-  onControlPointMousemove(e) {
-    if (
-      !this.isControlPointMousedown ||
-      !this.mousedownControlPointKey ||
-      !this[this.mousedownControlPointKey]
-    )
-      return
-    e.stopPropagation()
-    e.preventDefault()
-    let radius = this.controlPointDiameter / 2
-    // 转换鼠标当前的位置
-    let { x, y } = this.getTransformedEventPos(e)
-    this.controlPointMousemoveState.pos = {
-      x,
-      y
-    }
-    // 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, node, toNode] = this.activeLine
-    let [startPoint, endPoint] = computeNodePoints(node, toNode)
-    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)
-    } else {
-      offsets = associativeLineTargetControlOffsets[targetIndex]
-    }
-    let point1 = null
-    let point2 = null
-    // 拖拽的是控制点1
-    if (this.mousedownControlPointKey === 'controlPoint1') {
-      point1 = {
-        x,
-        y
-      }
-      point2 = {
-        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)
-    } else {
-      // 拖拽的是控制点2
-      point1 = {
-        x: startPoint.x + offsets[0].x,
-        y: startPoint.y + offsets[0].y
-      }
-      point2 = {
-        x,
-        y
-      }
-      // 更新控制点2的连线
-      this.controlLine2.plot(endPoint.x, endPoint.y, point2.x, point2.y)
-    }
-    // 更新关联线
-    let pathStr = joinCubicBezierPath(startPoint, endPoint, point1, point2)
-    path.plot(pathStr)
-    clickPath.plot(pathStr)
-  }
-
-  // 控制点的鼠标移动事件
-  onControlPointMouseup(e) {
-    if (!this.isControlPointMousedown) return
-    e.stopPropagation()
-    e.preventDefault()
-    let { pos, startPoint, endPoint, targetIndex } =
-      this.controlPointMousemoveState
-    let [, , node] = this.activeLine
-    let offsetList = []
-    let associativeLineTargetControlOffsets = node.nodeData.data.associativeLineTargetControlOffsets
-    if (!associativeLineTargetControlOffsets) {
-      // 兼容0.4.5版本，没有associativeLineTargetControlOffsets的情况
-      offsetList[targetIndex] = getDefaultControlPointOffsets(startPoint, endPoint)
-    } else {  
-      offsetList = associativeLineTargetControlOffsets
-    }
-    let offset1 = null
-    let offset2 = null
-    if (this.mousedownControlPointKey === 'controlPoint1') {
-      // 更新控制点1数据
-      offset1 = {
-        x: pos.x - startPoint.x,
-        y: pos.y - startPoint.y
-      }
-      offset2 = offsetList[targetIndex][1]
-    } else {
-      // 更新控制点2数据
-      offset1 = offsetList[targetIndex][0]
-      offset2 = {
-        x: pos.x - endPoint.x,
-        y: pos.y - endPoint.y
-      }
-    }
-    offsetList[targetIndex] = [offset1, offset2]
-    this.mindMap.execCommand('SET_NODE_DATA', node, {
-      associativeLineTargetControlOffsets: offsetList
-    })
-    // 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(() => {
-      this.resetControlPoint()
-    }, 0)
-  }
-
-  // 复位控制点移动
-  resetControlPoint() {
-    this.isControlPointMousedown = false
-    this.mousedownControlPointKey = ''
-    this.controlPointMousemoveState = {
-      pos: null,
-      startPoint: null,
-      endPoint: null,
-      targetIndex: ''
-    }
-  }
-
-  // 渲染控制点
-  renderControls(startPoint, endPoint, point1, point2) {
-    if (!this.controlLine1) {
-      this.createControlNodes()
-    }
-    let radius = this.controlPointDiameter / 2
-    // 控制点和起终点的连线
-    this.controlLine1.plot(startPoint.x, startPoint.y, point1.x, point1.y)
-    this.controlLine2.plot(endPoint.x, endPoint.y, point2.x, point2.y)
-    // 控制点
-    this.controlPoint1.x(point1.x - radius).y(point1.y - radius)
-    this.controlPoint2.x(point2.x - radius).y(point2.y - radius)
-  }
-
-  // 删除控制点
-  removeControls() {
-    if (!this.controlLine1) return
-    ;[
-      this.controlLine1,
-      this.controlLine2,
-      this.controlPoint1,
-      this.controlPoint2
-    ].forEach(item => {
-      item.remove()
-    })
-    this.controlLine1 = null
-    this.controlLine2 = null
-    this.controlPoint1 = null
-    this.controlPoint2 = null
-  }
-
-  // 隐藏控制点
-  hideControls() {
-    if (!this.controlLine1) return
-    ;[
-      this.controlLine1,
-      this.controlLine2,
-      this.controlPoint1,
-      this.controlPoint2
-    ].forEach(item => {
-      item.hide()
-    })
-  }
-
-  // 显示控制点
-  showControls() {
-    if (!this.controlLine1) return
-    ;[
-      this.controlLine1,
-      this.controlLine2,
-      this.controlPoint1,
-      this.controlPoint2
-    ].forEach(item => {
-      item.show()
-    })
-  }
 }

 AssociativeLine.instanceName = 'associativeLine'
--- a/simple-mind-map/src/plugins/Drag.js
+++ b/simple-mind-map/src/plugins/Drag.js
@@ -1,5 +1,5 @@
-import { bfsWalk, throttle } from './utils'
-import Base from './layouts/Base'
+import { bfsWalk, throttle } from '../utils'
+import Base from '../layouts/Base'

 //  节点拖动类

--- a/simple-mind-map/src/plugins/Export.js
+++ b/simple-mind-map/src/plugins/Export.js
@@ -1,9 +1,7 @@
-import { imgToDataUrl, downloadFile } from './utils'
-import JsPDF from 'jspdf'
+import { imgToDataUrl, downloadFile, readBlob } from '../utils'
 import { SVG } from '@svgdotjs/svg.js'
-import drawBackgroundImageToCanvas from './utils/simulateCSSBackgroundInCanvas'
-import { transformToMarkdown } from './parse/toMarkdown'
-const URL = window.URL || window.webkitURL || window
+import drawBackgroundImageToCanvas from '../utils/simulateCSSBackgroundInCanvas'
+import { transformToMarkdown } from '../parse/toMarkdown'

 //  导出类
 class Export {
@@ -27,8 +25,12 @@ class Export {
  }

  //  获取svg数据
-  async getSvgData(domToImage) {
-    let { svg, svgHTML } = this.mindMap.getSvgData()
+  async getSvgData() {
+    let { exportPaddingX, exportPaddingY } = this.mindMap.opt
+    let { svg, svgHTML } = this.mindMap.getSvgData({
+      paddingX: exportPaddingX,
+      paddingY: exportPaddingY
+    })
    // 把图片的url转换成data:url类型，否则导出会丢失图片
    let imageList = svg.find('image')
    let task = imageList.map(async item => {
@@ -37,24 +39,17 @@ class Export {
      item.attr('href', imgData)
    })
    await Promise.all(task)
-    // 如果开启了富文本编辑，需要把svg中的dom元素转换成图片
-    let nodeWithDomToImg = null
-    if (domToImage && this.mindMap.richText) {
-      let res = await this.mindMap.richText.handleSvgDomElements(svg)
-      if (res) {
-        nodeWithDomToImg = res.svg
-        svgHTML = res.svgHTML
-      }
+    if (imageList.length > 0) {
+      svgHTML = svg.svg()
    }
    return {
      node: svg,
-      str: svgHTML,
-      nodeWithDomToImg
+      str: svgHTML
    }
  }

  //   svg转png
-  svgToPng(svgSrc) {
+  svgToPng(svgSrc, transparent) {
    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
@@ -66,7 +61,9 @@ class Export {
          canvas.height = img.height + this.exportPadding * 2
          let ctx = canvas.getContext('2d')
          // 绘制背景
-          await this.drawBackgroundToCanvas(ctx, canvas.width, canvas.height)
+          if (!transparent) {
+            await this.drawBackgroundToCanvas(ctx, canvas.width, canvas.height)
+          }
          // 图片绘制到canvas里
          ctx.drawImage(
            img,
@@ -128,57 +125,6 @@ class Export {
    })
  }

-  //  导出为png
-  /**
-   * 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() {
-    let { str } = await this.getSvgData(true)
-    // 转换成blob数据
-    let blob = new Blob([str], {
-      type: 'image/svg+xml'
-    })
-    // 转换成data:url数据
-    let svgUrl = URL.createObjectURL(blob)
-    // 绘制到canvas上
-    let imgDataUrl = await this.svgToPng(svgUrl)
-    URL.revokeObjectURL(svgUrl)
-    return imgDataUrl
-  }
-
-  //  导出为pdf
-  async pdf(name) {
-    let img = await this.png()
-    let pdf = new JsPDF('', 'pt', 'a4')
-    let a4Width = 595
-    let a4Height = 841
-    let a4Ratio = a4Width / a4Height
-    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) {
-        // 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
-      } else {
-        // 以a4Width为宽度，缩放图片高度
-        w = a4Width
-        h = a4Width / imageRatio
-      }
-      pdf.addImage(img, 'PNG', (a4Width - w) / 2, (a4Height - h) / 2, w, h)
-      pdf.save(name)
-    }
-    image.src = img
-  }
-
  //  在svg上绘制思维导图背景
  drawBackgroundToSvg(svg) {
    return new Promise(async resolve => {
@@ -201,16 +147,46 @@ class Export {
    })
  }

+  //  导出为png
+  /**
+   * 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) {
+    let { node, str } = await this.getSvgData()
+    // 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)
+      return imgDataUrl
+    }
+    // 转换成blob数据
+    let blob = new Blob([str], {
+      type: 'image/svg+xml'
+    })
+    // 转换成data:url数据
+    let svgUrl = await readBlob(blob)
+    // 绘制到canvas上
+    let res = await this.svgToPng(svgUrl, transparent)
+    return res
+  }
+
+  //  导出为pdf
+  async pdf(name) {
+    if (!this.mindMap.doExportPDF) {
+      throw new Error('请注册ExportPDF插件')
+    }
+    let img = await this.png()
+    this.mindMap.doExportPDF.pdf(name, img)
+  }
+
  //  导出为svg
-  // domToImage：是否将svg中的dom节点转换成图片的形式
  // 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, domToImage = false, plusCssText) {
-    let { node, nodeWithDomToImg } = await this.getSvgData(domToImage)
+  async svg(name, plusCssText) {
+    let { node } = await this.getSvgData()
    // 开启了节点富文本编辑
    if (this.mindMap.richText) {
-      if (domToImage) {
-        node = nodeWithDomToImg
-      } else if (plusCssText) {
+      if (plusCssText) {
        let foreignObjectList = node.find('foreignObject')
        if (foreignObjectList.length > 0) {
          foreignObjectList[0].add(SVG(`<style>${plusCssText}</style>`))
@@ -224,28 +200,32 @@ class Export {
    let blob = new Blob([str], {
      type: 'image/svg+xml'
    })
-    return URL.createObjectURL(blob)
+    let res = await readBlob(blob)
+    return res
  }

  //  导出为json
-  json(name, withConfig = true) {
+  async json(name, withConfig = true) {
    let data = this.mindMap.getData(withConfig)
    let str = JSON.stringify(data)
    let blob = new Blob([str])
-    return URL.createObjectURL(blob)
+    let res = await readBlob(blob)
+    return res
  }

  //  专有文件，其实就是json文件
-  smm(name, withConfig) {
-    return this.json(name, withConfig)
+  async smm(name, withConfig) {
+    let res = await this.json(name, withConfig)
+    return res
  }

  // markdown文件
-  md() {
+  async md() {
    let data = this.mindMap.getData()
    let content = transformToMarkdown(data)
    let blob = new Blob([content])
-    return URL.createObjectURL(blob)
+    let res = await readBlob(blob)
+    return res
  }
 }

--- a/simple-mind-map/src/plugins/ExportPDF.js
+++ b/simple-mind-map/src/plugins/ExportPDF.js
@@ -0,0 +1,44 @@
+import JsPDF from 'jspdf'
+
+//  导出PDF类，需要通过Export插件使用
+class ExportPDF {
+  //  构造函数
+  constructor(opt) {
+    this.mindMap = opt.mindMap
+  }
+
+  //  导出为pdf
+  pdf(name, img) {
+    let pdf = new JsPDF('', 'pt', 'a4')
+    let a4Width = 595
+    let a4Height = 841
+    let a4Ratio = a4Width / a4Height
+    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) {
+        // 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
+      } else {
+        // 以a4Width为宽度，缩放图片高度
+        w = a4Width
+        h = a4Width / imageRatio
+      }
+      pdf.addImage(img, 'PNG', (a4Width - w) / 2, (a4Height - h) / 2, w, h)
+      pdf.save(name)
+    }
+    image.src = img
+  }
+}
+
+ExportPDF.instanceName = 'doExportPDF'
+
+export default ExportPDF
--- a/simple-mind-map/src/plugins/KeyboardNavigation.js
+++ b/simple-mind-map/src/plugins/KeyboardNavigation.js
@@ -1,5 +1,5 @@
-import { bfsWalk } from './utils'
-import { CONSTANTS } from './utils/constant'
+import { bfsWalk } from '../utils'
+import { CONSTANTS } from '../constants/constant'

 //  键盘导航类
 class KeyboardNavigation {
--- a/simple-mind-map/src/plugins/MiniMap.js
+++ b/simple-mind-map/src/plugins/MiniMap.js
--- a/simple-mind-map/src/plugins/RichText.js
+++ b/simple-mind-map/src/plugins/RichText.js
@@ -1,10 +1,8 @@
 import Quill from 'quill'
 import 'quill/dist/quill.snow.css'
-import './css/quill.css'
 import html2canvas from 'html2canvas'
-import { Image as SvgImage } from '@svgdotjs/svg.js'
-import { walk } from './utils'
-import { CONSTANTS } from './utils/constant'
+import { walk, getTextFromHtml } from '../utils'
+import { CONSTANTS } from '../constants/constant'

 let extended = false

@@ -41,8 +39,67 @@ class RichText {
    this.range = null
    this.lastRange = null
    this.node = null
+    this.styleEl = null
+    this.cacheEditingText = ''
+    this.lostStyle = false
+    this.isCompositing = false
    this.initOpt()
    this.extendQuill()
+    this.appendCss()
+    this.bindEvent()
+
+    // 处理数据，转成富文本格式
+    if (this.mindMap.opt.data) {
+      this.mindMap.opt.data = this.handleSetData(this.mindMap.opt.data)
+    }
+  }
+
+  // 绑定事件
+  bindEvent() {
+    this.onCompositionStart = this.onCompositionStart.bind(this)
+    this.onCompositionEnd = this.onCompositionEnd.bind(this)
+    window.addEventListener('compositionstart', this.onCompositionStart)
+    window.addEventListener('compositionend', this.onCompositionEnd)
+  }
+
+  // 解绑事件
+  unbindEvent() {
+    window.removeEventListener('compositionstart', this.onCompositionStart)
+    window.removeEventListener('compositionend', this.onCompositionEnd)
+  }
+
+  // 插入样式
+  appendCss() {
+    let cssText = `
+      .ql-editor {
+        overflow: hidden;
+        padding: 0;
+        height: auto;
+        line-height: normal;
+        -webkit-user-select: text;
+      }
+      
+      .ql-container {
+        height: auto;
+        font-size: inherit;
+      }
+
+      .ql-container.ql-snow {
+        border: none;
+      }
+
+      .smm-richtext-node-wrap p {
+        font-family: auto;
+      }
+
+      .smm-richtext-node-edit-wrap p {
+        font-family: auto;
+      }
+    `
+    this.styleEl = document.createElement('style')
+    this.styleEl.type = 'text/css'
+    this.styleEl.innerHTML = cssText
+    document.head.appendChild(this.styleEl)
  }

  // 处理选项参数
@@ -96,36 +153,49 @@ class RichText {
    if (!rect) rect = node._textData.node.node.getBoundingClientRect()
    this.mindMap.emit('before_show_text_edit')
    this.mindMap.renderer.textEdit.registerTmpShortcut()
-    if (!this.textEditNode) {
-      this.textEditNode = document.createElement('div')
-      this.textEditNode.style.cssText = `position:fixed;box-sizing: border-box;box-shadow: 0 0 20px rgba(0,0,0,.5);outline: none; word-break: break-all;padding: 3px 5px;margin-left: -5px;margin-top: -3px;`
-      document.body.appendChild(this.textEditNode)
-    }
    // 原始宽高
    let g = node._textData.node
    let originWidth = g.attr('data-width')
    let originHeight = g.attr('data-height')
+    // 缩放值
+    let scaleX = rect.width / originWidth
+    let scaleY = rect.height / originHeight
+    // 内边距
+    const paddingX = 6
+    const paddingY = 4
+    if (!this.textEditNode) {
+      this.textEditNode = document.createElement('div')
+      this.textEditNode.classList.add('smm-richtext-node-edit-wrap')
+      this.textEditNode.style.cssText = `position:fixed;box-sizing: border-box;box-shadow: 0 0 20px rgba(0,0,0,.5);outline: none; word-break: break-all;padding: ${paddingY}px ${paddingX}px;`
+      this.textEditNode.addEventListener('click', e => {
+        e.stopPropagation()
+      })
+      document.body.appendChild(this.textEditNode)
+    }
    // 使用节点的填充色，否则如果节点颜色是白色的话编辑时看不见
    let bgColor = node.style.merge('fillColor')
-    this.textEditNode.style.backgroundColor = bgColor === 'transparent' ? '#fff' : bgColor
-    this.textEditNode.style.minWidth = originWidth + 'px'
+    this.textEditNode.style.marginLeft = `-${paddingX * scaleX}px`
+    this.textEditNode.style.marginTop = `-${paddingY * scaleY}px`
+    this.textEditNode.style.zIndex = this.mindMap.opt.nodeTextEditZIndex
+    this.textEditNode.style.backgroundColor =
+      bgColor === 'transparent' ? '#fff' : bgColor
+    this.textEditNode.style.minWidth = originWidth + paddingX * 2 + 'px'
    this.textEditNode.style.minHeight = originHeight + 'px'
-    this.textEditNode.style.left =
-      rect.left + (rect.width - originWidth) / 2 + 'px'
-    this.textEditNode.style.top =
-      rect.top + (rect.height - originHeight) / 2 + 'px'
+    this.textEditNode.style.left = rect.left + 'px'
+    this.textEditNode.style.top = rect.top + 'px'
    this.textEditNode.style.display = 'block'
-    this.textEditNode.style.maxWidth = this.mindMap.opt.textAutoWrapWidth + 'px'
-    this.textEditNode.style.transform = `scale(${rect.width / originWidth}, ${
-      rect.height / originHeight
-    })`
+    this.textEditNode.style.maxWidth =
+      this.mindMap.opt.textAutoWrapWidth + paddingX * 2 + 'px'
+    this.textEditNode.style.transform = `scale(${scaleX}, ${scaleY})`
+    this.textEditNode.style.transformOrigin = 'left top'
    if (!node.nodeData.data.richText) {
      // 还不是富文本的情况
      let text = node.nodeData.data.text.split(/\n/gim).join('<br>')
      let html = `<p>${text}</p>`
-      this.textEditNode.innerHTML = html
+      this.textEditNode.innerHTML = this.cacheEditingText || html
    } else {
-      this.textEditNode.innerHTML = node.nodeData.data.text
+      this.textEditNode.innerHTML =
+        this.cacheEditingText || node.nodeData.data.text
    }
    this.initQuillEditor()
    document.querySelector('.ql-editor').style.minHeight = originHeight + 'px'
@@ -135,6 +205,7 @@ class RichText {
      // 如果是非富文本的情况，需要手动应用文本样式
      this.setTextStyleIfNotRichText(node)
    }
+    this.cacheEditingText = ''
  }

  // 如果是非富文本的情况，需要手动应用文本样式
@@ -148,18 +219,25 @@ class RichText {
      underline: node.style.merge('textDecoration') === 'underline',
      strike: node.style.merge('textDecoration') === 'line-through'
    }
-    this.formatAllText(style)
+    this.pureFormatAllText(style)
+  }
+
+  // 获取当前正在编辑的内容
+  getEditText() {
+    let html = this.quill.container.firstChild.innerHTML
+    // 去除最后的空行
+    return html.replace(/<p><br><\/p>$/, '')
  }

  // 隐藏文本编辑控件，即完成编辑
-  hideEditText() {
+  hideEditText(nodes) {
    if (!this.showTextEdit) {
      return
    }
-    let html = this.quill.container.firstChild.innerHTML
-    // 去除最后的空行
-    html = html.replace(/<p><br><\/p>$/, '')
-    this.mindMap.renderer.activeNodeList.forEach(node => {
+    let html = this.getEditText()
+    let list =
+      nodes && nodes.length > 0 ? nodes : this.mindMap.renderer.activeNodeList
+    list.forEach(node => {
      this.mindMap.execCommand('SET_NODE_TEXT', node, html, true)
      if (node.isGeneralization) {
        // 概要节点
@@ -167,11 +245,7 @@ class RichText {
      }
      this.mindMap.render()
    })
-    this.mindMap.emit(
-      'hide_text_edit',
-      this.textEditNode,
-      this.mindMap.renderer.activeNodeList
-    )
+    this.mindMap.emit('hide_text_edit', this.textEditNode, list)
    this.textEditNode.style.display = 'none'
    this.showTextEdit = false
    this.mindMap.emit('rich_text_selection_change', false)
@@ -225,6 +299,37 @@ class RichText {
        )
      }
    })
+    this.quill.on('text-change', () => {
+      let contents = this.quill.getContents()
+      let len = contents.ops.length
+      // 如果编辑过程中删除所有字符，那么会丢失主题的样式
+      if (len <= 0 || (len === 1 && contents.ops[0].insert === '\n')) {
+        this.lostStyle = true
+        // 需要删除节点的样式数据
+        this.syncFormatToNodeConfig(null, true)
+      } else if (this.lostStyle && !this.isCompositing) {
+        // 如果处于样式丢失状态，那么需要进行格式化加回样式
+        this.setTextStyleIfNotRichText(this.node)
+        this.lostStyle = false
+      }
+    })
+  }
+
+  // 正则输入中文
+  onCompositionStart() {
+    if (!this.showTextEdit) {
+      return
+    }
+    this.isCompositing = true
+  }
+
+  // 中文输入结束
+  onCompositionEnd() {
+    if (!this.showTextEdit || !this.lostStyle) {
+      return
+    }
+    this.isCompositing = false
+    this.setTextStyleIfNotRichText(this.node)
  }

  // 选中全部
@@ -244,7 +349,9 @@ class RichText {
    this.syncFormatToNodeConfig(config, clear)
    let rangeLost = !this.range
    let range = rangeLost ? this.lastRange : this.range
-    clear ? this.quill.removeFormat(range.index, range.length) : this.quill.formatText(range.index, range.length, config)
+    clear
+      ? this.quill.removeFormat(range.index, range.length)
+      : this.quill.formatText(range.index, range.length, config)
    if (rangeLost) {
      this.quill.setSelection(this.lastRange.index, this.lastRange.length)
    }
@@ -265,6 +372,11 @@ class RichText {
  // 格式化所有文本
  formatAllText(config = {}) {
    this.syncFormatToNodeConfig(config)
+    this.pureFormatAllText(config)
+  }
+
+  // 纯粹的格式化所有文本
+  pureFormatAllText(config = {}) {
    this.quill.formatText(0, this.quill.getLength(), config)
  }

@@ -273,7 +385,14 @@ class RichText {
    if (!this.node) return
    if (clear) {
      // 清除文本样式
-      ['fontFamily', 'fontSize', 'fontWeight', 'fontStyle', 'textDecoration', 'color'].forEach((prop) => {
+      ;[
+        'fontFamily',
+        'fontSize',
+        'fontWeight',
+        'fontStyle',
+        'textDecoration',
+        'color'
+      ].forEach(prop => {
        delete this.node.nodeData.data[prop]
      })
    } else {
@@ -348,94 +467,40 @@ class RichText {
    return data
  }

-  // 将svg中嵌入的dom元素转换成图片
-  async _handleSvgDomElements(svg) {
-    svg = svg.clone()
-    let foreignObjectList = svg.find('foreignObject')
-    let task = foreignObjectList.map(async item => {
-      let clone = item.first().node.cloneNode(true)
-      let div = document.createElement('div')
-      div.style.cssText = `position: fixed; left: -999999px;`
-      div.appendChild(clone)
-      this.mindMap.el.appendChild(div)
-      let canvas = await html2canvas(clone, {
-        backgroundColor: null
-      })
-      this.mindMap.el.removeChild(div)
-      let imgNode = new SvgImage()
-        .load(canvas.toDataURL())
-        .size(canvas.width, canvas.height)
-      item.replace(imgNode)
-    })
-    await Promise.all(task)
-    return {
-      svg: svg,
-      svgHTML: svg.svg()
+  // 处理导出为图片
+  async handleExportPng(node) {
+    let el = document.createElement('div')
+    el.style.position = 'absolute'
+    el.style.left = '-9999999px'
+    el.appendChild(node)
+    this.mindMap.el.appendChild(el)
+    // 遍历所有节点，将它们的margin和padding设为0
+    let walk = root => {
+      root.style.margin = 0
+      root.style.padding = 0
+      if (root.hasChildNodes()) {
+        Array.from(root.children).forEach(item => {
+          walk(item)
+        })
+      }
    }
-  }
-
-  // 将svg中嵌入的dom元素转换成图片
-  handleSvgDomElements(svg) {
-    return new Promise((resolve, reject) => {
-      svg = svg.clone()
-      let foreignObjectList = svg.find('foreignObject')
-      let index = 0
-      let len = foreignObjectList.length
-      let transform = async () => {
-        this.mindMap.emit('transforming-dom-to-images', index, len)
-        try {
-          let item = foreignObjectList[index++]
-          let parent = item.parent()
-          let clone = item.first().node.cloneNode(true)
-          let div = document.createElement('div')
-          div.style.cssText = `position: fixed; left: -999999px;`
-          div.appendChild(clone)
-          this.mindMap.el.appendChild(div)
-          let canvas = await html2canvas(clone, {
-            backgroundColor: null
-          })
-          // 优先使用原始宽高，因为当设备的window.devicePixelRatio不为1时，html2canvas输出的图片会更大
-          let imgNodeWidth = parent.attr('data-width') || canvas.width
-          let imgNodeHeight = parent.attr('data-height') || canvas.height
-          this.mindMap.el.removeChild(div)
-          let imgNode = new SvgImage()
-            .load(canvas.toDataURL())
-            .size(imgNodeWidth, imgNodeHeight)
-            .x((parent ? parent.attr('data-offsetx') : 0) || 0)
-          item.replace(imgNode)
-          if (index <= len - 1) {
-            setTimeout(() => {
-              transform()
-            }, 0)
-          } else {
-            resolve({
-              svg: svg,
-              svgHTML: svg.svg()
-            })
-          }
-        } catch (error) {
-          reject(error)
-        }
-      }
-      if (len > 0) {
-        transform()
-      } else {
-        resolve(null)
-      }
+    walk(node)
+    let canvas = await html2canvas(el, {
+      backgroundColor: null
    })
+    this.mindMap.el.removeChild(el)
+    return canvas.toDataURL()
  }

  // 将所有节点转换成非富文本节点
  transformAllNodesToNormalNode() {
-    let div = document.createElement('div')
    walk(
      this.mindMap.renderer.renderTree,
      null,
      node => {
        if (node.data.richText) {
          node.data.richText = false
-          div.innerHTML = node.data.text
-          node.data.text = div.textContent
+          node.data.text = getTextFromHtml(node.data.text)
          // delete node.data.uid
        }
      },
@@ -450,9 +515,27 @@ class RichText {
    this.mindMap.render(null, CONSTANTS.TRANSFORM_TO_NORMAL_NODE)
  }

+  // 处理导入数据
+  handleSetData(data) {
+    let walk = root => {
+      if (!root.data.richText) {
+        root.data.richText = true
+        root.data.resetRichText = true
+      }
+      if (root.children && root.children.length > 0) {
+        Array.from(root.children).forEach(item => {
+          walk(item)
+        })
+      }
+    }
+    walk(data)
+    return data
+  }
+
  // 插件被移除前做的事情
  beforePluginRemove() {
    this.transformAllNodesToNormalNode()
+    document.head.removeChild(this.styleEl)
  }
 }

--- 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 } from '../utils'

 //  选择节点类

@@ -17,14 +17,19 @@ class Select {

  //  绑定事件
  bindEvent() {
-    this.checkInNodes = throttle(this.checkInNodes, 500, this)
+    this.checkInNodes = throttle(this.checkInNodes, 300, this)
    this.mindMap.on('mousedown', e => {
      if (this.mindMap.opt.readonly) {
        return
      }
-      if (!e.ctrlKey && e.which !== 3) {
+      let { useLeftKeySelectionRightKeyDrag } = this.mindMap.opt
+      if (
+        !e.ctrlKey &&
+        (useLeftKeySelectionRightKeyDrag ? e.which !== 1 : e.which !== 3)
+      ) {
        return
      }
+      e.preventDefault()
      this.isMousedown = true
      let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
      this.mouseDownX = x
@@ -146,22 +151,25 @@ class Select {
      let bottom = (top + height) * scaleY + translateY
      left = left * scaleX + translateX
      top = top * scaleY + translateY
-      if (left >= minx && right <= maxx && top >= miny && bottom <= maxy) {
-        this.mindMap.batchExecution.push('activeNode' + node.uid, () => {
-          if (node.nodeData.data.isActive) {
-            return
-          }
-          this.mindMap.renderer.setNodeActive(node, true)
-          this.mindMap.renderer.addActiveNode(node)
-        })
+      if (
+        ((left >= minx && left <= maxx) || (right >= minx && right <= maxx)) &&
+        ((top >= miny && top <= maxy) || (bottom >= miny && bottom <= maxy))
+      ) {
+        // this.mindMap.batchExecution.push('activeNode' + node.uid, () => {
+        if (node.nodeData.data.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) {
-            return
-          }
-          this.mindMap.renderer.setNodeActive(node, false)
-          this.mindMap.renderer.removeActiveNode(node)
-        })
+        // this.mindMap.batchExecution.push('activeNode' + node.uid, () => {
+        if (!node.nodeData.data.isActive) {
+          return
+        }
+        this.mindMap.renderer.setNodeActive(node, false)
+        this.mindMap.renderer.removeActiveNode(node)
+        // })
      }
    })
  }
--- a/simple-mind-map/src/plugins/TouchEvent.js
+++ b/simple-mind-map/src/plugins/TouchEvent.js
@@ -0,0 +1,126 @@
+// 手势事件支持类
+
+class TouchEvent {
+  //  构造函数
+  constructor({ mindMap }) {
+    this.mindMap = mindMap
+    this.touchesNum = 0
+    this.singleTouchstartEvent = null
+    this.clickNum = 0
+    this.doubleTouchmoveDistance = 0
+    this.bindEvent()
+  }
+
+  // 绑定事件
+  bindEvent() {
+    this.onTouchstart = this.onTouchstart.bind(this)
+    this.onTouchmove = this.onTouchmove.bind(this)
+    this.onTouchcancel = this.onTouchcancel.bind(this)
+    this.onTouchend = this.onTouchend.bind(this)
+    window.addEventListener('touchstart', this.onTouchstart)
+    window.addEventListener('touchmove', this.onTouchmove)
+    window.addEventListener('touchcancel', this.onTouchcancel)
+    window.addEventListener('touchend', this.onTouchend)
+  }
+
+  // 解绑事件
+  unBindEvent() {
+    window.removeEventListener('touchstart', this.onTouchstart)
+    window.removeEventListener('touchmove', this.onTouchmove)
+    window.removeEventListener('touchcancel', this.onTouchcancel)
+    window.removeEventListener('touchend', this.onTouchend)
+  }
+
+  // 手指按下事件
+  onTouchstart(e) {
+    this.touchesNum = e.touches.length
+    if (this.touchesNum === 1) {
+      let touch = e.touches[0]
+      this.singleTouchstartEvent = touch
+      this.dispatchMouseEvent('mousedown', touch.target, touch)
+    }
+  }
+
+  // 手指移动事件
+  onTouchmove(e) {
+    let len = e.touches.length
+    if (len === 1) {
+      let touch = e.touches[0]
+      this.dispatchMouseEvent('mousemove', touch.target, touch)
+    } else if (len === 2) {
+      let touch1 = e.touches[0]
+      let touch2 = e.touches[1]
+      let ox = touch1.clientX - touch2.clientX
+      let oy = touch1.clientY - touch2.clientY
+      let distance = Math.sqrt(Math.pow(ox, 2) + Math.pow(oy, 2))
+      // 以两指中心点进行缩放
+      let { x: touch1ClientX, y: touch1ClientY } = this.mindMap.toPos(touch1.clientX, touch1.clientY)
+      let { x: touch2ClientX, y: touch2ClientY } = this.mindMap.toPos(touch2.clientX, touch2.clientY)
+      let cx = (touch1ClientX + touch2ClientX) / 2
+      let cy = (touch1ClientY + touch2ClientY) / 2
+      if (distance > this.doubleTouchmoveDistance) {
+        // 放大
+        this.mindMap.view.enlarge(cx, cy)
+      } else {
+        // 缩小
+        this.mindMap.view.narrow(cx, cy)
+      }
+      this.doubleTouchmoveDistance = distance
+    }
+  }
+
+  // 手指取消事件
+  onTouchcancel(e) {}
+
+  // 手指松开事件
+  onTouchend(e) {
+    this.dispatchMouseEvent('mouseup', e.target)
+    if (this.touchesNum === 1) {
+      // 模拟双击事件
+      this.clickNum++
+      setTimeout(() => {
+        this.clickNum = 0
+      }, 300)
+      let ev = this.singleTouchstartEvent
+      if (this.clickNum > 1) {
+        this.clickNum = 0
+        this.dispatchMouseEvent('dblclick', ev.target, ev)
+      } else {
+        this.dispatchMouseEvent('click', ev.target, ev)
+      }
+    }
+    this.touchesNum = 0
+    this.singleTouchstartEvent = null
+    this.doubleTouchmoveDistance = 0
+  }
+
+  // 发送鼠标事件
+  dispatchMouseEvent(eventName, target, e) {
+    let opt = {}
+    if (e) {
+      opt = {
+        screenX: e.screenX,
+        screenY: e.screenY,
+        clientX: e.clientX,
+        clientY: e.clientY,
+        which: 1
+      }
+    }
+    let event = new MouseEvent(eventName, {
+      view: window,
+      bubbles: true,
+      cancelable: true,
+      ...opt
+    })
+    target.dispatchEvent(event)
+  }
+
+  // 插件被移除前做的事情
+  beforePluginRemove() {
+    this.unBindEvent()
+  }
+}
+
+TouchEvent.instanceName = 'touchEvent'
+
+export default TouchEvent
--- a/simple-mind-map/src/plugins/Watermark.js
+++ b/simple-mind-map/src/plugins/Watermark.js
@@ -1,5 +1,5 @@
 import { Text, G } from '@svgdotjs/svg.js'
-import { degToRad, camelCaseToHyphen } from './utils'
+import { degToRad, camelCaseToHyphen } from '../utils'
 import merge from 'deepmerge'

 // 水印类
--- a/simple-mind-map/src/plugins/associativeLine/associativeLineControls.js
+++ b/simple-mind-map/src/plugins/associativeLine/associativeLineControls.js
@@ -0,0 +1,241 @@
+import {
+  getAssociativeLineTargetIndex,
+  joinCubicBezierPath,
+  computeNodePoints,
+  getDefaultControlPointOffsets
+} from './associativeLineUtils'
+
+// 创建控制点、连线节点
+function createControlNodes() {
+  let { associativeLineActiveColor } = this.mindMap.themeConfig
+  // 连线
+  this.controlLine1 = this.draw
+    .line()
+    .stroke({ color: associativeLineActiveColor, width: 2 })
+  this.controlLine2 = this.draw
+    .line()
+    .stroke({ color: associativeLineActiveColor, width: 2 })
+  // 控制点
+  this.controlPoint1 = this.createOneControlNode('controlPoint1')
+  this.controlPoint2 = this.createOneControlNode('controlPoint2')
+}
+
+// 创建控制点
+function createOneControlNode(pointKey) {
+  let { associativeLineActiveColor } = this.mindMap.themeConfig
+  return this.draw
+    .circle(this.controlPointDiameter)
+    .stroke({ color: associativeLineActiveColor })
+    .fill({ color: '#fff' })
+    .click(e => {
+      e.stopPropagation()
+    })
+    .mousedown(e => {
+      this.onControlPointMousedown(e, pointKey)
+    })
+}
+
+// 控制点的鼠标按下事件
+function onControlPointMousedown(e, pointKey) {
+  e.stopPropagation()
+  this.isControlPointMousedown = true
+  this.mousedownControlPointKey = pointKey
+}
+
+// 控制点的鼠标移动事件
+function onControlPointMousemove(e) {
+  if (
+    !this.isControlPointMousedown ||
+    !this.mousedownControlPointKey ||
+    !this[this.mousedownControlPointKey]
+  )
+    return
+  e.stopPropagation()
+  e.preventDefault()
+  let radius = this.controlPointDiameter / 2
+  // 转换鼠标当前的位置
+  let { x, y } = this.getTransformedEventPos(e)
+  this.controlPointMousemoveState.pos = {
+    x,
+    y
+  }
+  // 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)
+  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)
+  } else {
+    offsets = associativeLineTargetControlOffsets[targetIndex]
+  }
+  let point1 = null
+  let point2 = null
+  // 拖拽的是控制点1
+  if (this.mousedownControlPointKey === 'controlPoint1') {
+    point1 = {
+      x,
+      y
+    }
+    point2 = {
+      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)
+  } else {
+    // 拖拽的是控制点2
+    point1 = {
+      x: startPoint.x + offsets[0].x,
+      y: startPoint.y + offsets[0].y
+    }
+    point2 = {
+      x,
+      y
+    }
+    // 更新控制点2的连线
+    this.controlLine2.plot(endPoint.x, endPoint.y, point2.x, point2.y)
+  }
+  // 更新关联线
+  let 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
+function onControlPointMouseup(e) {
+  if (!this.isControlPointMousedown) return
+  e.stopPropagation()
+  e.preventDefault()
+  let { pos, startPoint, endPoint, targetIndex } =
+    this.controlPointMousemoveState
+  let [, , , node] = this.activeLine
+  let offsetList = []
+  let associativeLineTargetControlOffsets =
+    node.nodeData.data.associativeLineTargetControlOffsets
+  if (!associativeLineTargetControlOffsets) {
+    // 兼容0.4.5版本，没有associativeLineTargetControlOffsets的情况
+    offsetList[targetIndex] = getDefaultControlPointOffsets(
+      startPoint,
+      endPoint
+    )
+  } else {
+    offsetList = associativeLineTargetControlOffsets
+  }
+  let offset1 = null
+  let offset2 = null
+  if (this.mousedownControlPointKey === 'controlPoint1') {
+    // 更新控制点1数据
+    offset1 = {
+      x: pos.x - startPoint.x,
+      y: pos.y - startPoint.y
+    }
+    offset2 = offsetList[targetIndex][1]
+  } else {
+    // 更新控制点2数据
+    offset1 = offsetList[targetIndex][0]
+    offset2 = {
+      x: pos.x - endPoint.x,
+      y: pos.y - endPoint.y
+    }
+  }
+  offsetList[targetIndex] = [offset1, offset2]
+  this.mindMap.execCommand('SET_NODE_DATA', node, {
+    associativeLineTargetControlOffsets: offsetList
+  })
+  // 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(() => {
+    this.resetControlPoint()
+  }, 0)
+}
+
+// 复位控制点移动
+function resetControlPoint() {
+  this.isControlPointMousedown = false
+  this.mousedownControlPointKey = ''
+  this.controlPointMousemoveState = {
+    pos: null,
+    startPoint: null,
+    endPoint: null,
+    targetIndex: ''
+  }
+}
+
+// 渲染控制点
+function renderControls(startPoint, endPoint, point1, point2) {
+  if (!this.controlLine1) {
+    this.createControlNodes()
+  }
+  let radius = this.controlPointDiameter / 2
+  // 控制点和起终点的连线
+  this.controlLine1.plot(startPoint.x, startPoint.y, point1.x, point1.y)
+  this.controlLine2.plot(endPoint.x, endPoint.y, point2.x, point2.y)
+  // 控制点
+  this.controlPoint1.x(point1.x - radius).y(point1.y - radius)
+  this.controlPoint2.x(point2.x - radius).y(point2.y - radius)
+}
+
+// 删除控制点
+function removeControls() {
+  if (!this.controlLine1) return
+  ;[
+    this.controlLine1,
+    this.controlLine2,
+    this.controlPoint1,
+    this.controlPoint2
+  ].forEach(item => {
+    item.remove()
+  })
+  this.controlLine1 = null
+  this.controlLine2 = null
+  this.controlPoint1 = null
+  this.controlPoint2 = null
+}
+
+// 隐藏控制点
+function hideControls() {
+  if (!this.controlLine1) return
+  ;[
+    this.controlLine1,
+    this.controlLine2,
+    this.controlPoint1,
+    this.controlPoint2
+  ].forEach(item => {
+    item.hide()
+  })
+}
+
+// 显示控制点
+function showControls() {
+  if (!this.controlLine1) return
+  ;[
+    this.controlLine1,
+    this.controlLine2,
+    this.controlPoint1,
+    this.controlPoint2
+  ].forEach(item => {
+    item.show()
+  })
+}
+
+export default {
+  createControlNodes,
+  createOneControlNode,
+  onControlPointMousedown,
+  onControlPointMousemove,
+  onControlPointMouseup,
+  resetControlPoint,
+  renderControls,
+  removeControls,
+  hideControls,
+  showControls
+}
--- a/simple-mind-map/src/plugins/associativeLine/associativeLineText.js
+++ b/simple-mind-map/src/plugins/associativeLine/associativeLineText.js
@@ -0,0 +1,167 @@
+import { Text } from '@svgdotjs/svg.js'
+import { getStrWithBrFromHtml } from '../../utils/index'
+
+// 创建文字节点
+function createText(data) {
+  let g = this.draw.group()
+  const setActive = () => {
+    if (
+      !this.activeLine ||
+      this.activeLine[3] !== data.node ||
+      this.activeLine[4] !== data.toNode
+    ) {
+      this.setActiveLine({
+        ...data,
+        text: g
+      })
+    }
+  }
+  g.click(e => {
+    e.stopPropagation()
+    setActive()
+  })
+  g.on('dblclick', e => {
+    e.stopPropagation()
+    setActive()
+    if (!this.activeLine) return
+    this.showEditTextBox(g)
+  })
+  return g
+}
+
+//  显示文本编辑框
+function showEditTextBox(g) {
+  this.mindMap.emit('before_show_text_edit')
+  // 注册回车快捷键
+  this.mindMap.keyCommand.addShortcut('Enter', () => {
+    this.hideEditTextBox()
+  })
+  
+  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;`
+    this.textEditNode.setAttribute('contenteditable', true)
+    this.textEditNode.addEventListener('keyup', e => {
+      e.stopPropagation()
+    })
+    this.textEditNode.addEventListener('click', e => {
+      e.stopPropagation()
+    })
+    document.body.appendChild(this.textEditNode)
+  }
+  let {
+    associativeLineTextFontSize,
+    associativeLineTextFontFamily,
+    associativeLineTextLineHeight
+  } = this.mindMap.themeConfig
+  let scale = this.mindMap.view.scale
+  let [, , , node, toNode] = this.activeLine
+  let textLines = (
+    this.getText(node, toNode) || this.mindMap.opt.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.innerHTML = textLines.join('<br>')
+  this.textEditNode.style.display = 'block'
+  this.updateTextEditBoxPos(g)
+  this.showTextEdit = true
+}
+
+// 处理画布缩放
+function onScale() {
+  this.hideEditTextBox()
+}
+
+// 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'
+}
+
+//  隐藏文本编辑框
+function hideEditTextBox() {
+  if (!this.showTextEdit) {
+    return
+  }
+  let [path, , text, node, toNode] = this.activeLine
+  let str = getStrWithBrFromHtml(this.textEditNode.innerHTML)
+  this.mindMap.execCommand('SET_NODE_DATA', node, {
+    associativeLineText: {
+      ...(node.nodeData.data.associativeLineText || {}),
+      [toNode.nodeData.data.id]: str
+    }
+  })
+  this.textEditNode.style.display = 'none'
+  this.textEditNode.innerHTML = ''
+  this.showTextEdit = false
+  this.renderText(str, path, text)
+  this.mindMap.emit('hide_text_edit')
+}
+
+// 获取某根关联线的文字
+function getText(node, toNode) {
+  let obj = node.nodeData.data.associativeLineText
+  if (!obj) {
+    return ''
+  }
+  return obj[toNode.nodeData.data.id] || ''
+}
+
+// 渲染关联线文字
+function renderText(str, path, text) {
+  if (!str) return
+  let { associativeLineTextFontSize, associativeLineTextLineHeight } =
+    this.mindMap.themeConfig
+  text.clear()
+  let textArr = str.split(/\n/gim)
+  textArr.forEach((item, index) => {
+    let node = new Text().text(item)
+    node.y(associativeLineTextFontSize * associativeLineTextLineHeight * index)
+    this.styleText(node)
+    text.add(node)
+  })
+  updateTextPos(path, text)
+}
+
+// 给文本设置样式
+function styleText(node) {
+  let {
+    associativeLineTextColor,
+    associativeLineTextFontSize,
+    associativeLineTextFontFamily
+  } = this.mindMap.themeConfig
+  node
+    .fill({
+      color: associativeLineTextColor
+    })
+    .css({
+      'font-family': associativeLineTextFontFamily,
+      'font-size': associativeLineTextFontSize
+    })
+}
+
+// 更新关联线文字位置
+function updateTextPos(path, text) {
+  let pathLength = path.length()
+  let centerPoint = path.pointAt(pathLength / 2)
+  let { width: textWidth, height: textHeight } = text.bbox()
+  text.x(centerPoint.x - textWidth / 2)
+  text.y(centerPoint.y - textHeight / 2)
+}
+
+export default {
+  getText,
+  createText,
+  styleText,
+  onScale,
+  showEditTextBox,
+  hideEditTextBox,
+  updateTextEditBoxPos,
+  renderText,
+  updateTextPos
+}
--- a/simple-mind-map/src/plugins/associativeLine/associativeLineUtils.js
+++ b/simple-mind-map/src/plugins/associativeLine/associativeLineUtils.js
--- a/simple-mind-map/src/svg/icons.js
+++ b/simple-mind-map/src/svg/icons.js
@@ -279,9 +279,9 @@ export const nodeIconList = [
 ]

 //  获取nodeIconList icon内容
-const getNodeIconListIcon = name => {
+const getNodeIconListIcon = (name, extendIconList = []) => {
  let arr = name.split('_')
-  let typeData = nodeIconList.find(item => {
+  let typeData = [...nodeIconList, ...extendIconList].find(item => {
    return item.type === arr[0]
  })
  return typeData.list.find(item => {
--- a/simple-mind-map/src/themes/autumn.js
+++ b/simple-mind-map/src/themes/autumn.js
@@ -0,0 +1,57 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 秋天
+export default merge(defaultTheme, {
+  // 背景颜色
+  backgroundColor: '#fff2df',
+  // 连线的颜色
+  lineColor: '#b0bc47',
+  lineWidth: 3,
+  // 概要连线的粗细
+  generalizationLineWidth: 3,
+  // 概要连线的颜色
+  generalizationLineColor: '#b0bc47',
+  // 根节点样式
+  root: {
+    fillColor: '#e68112',
+    color: '#fff',
+    borderColor: '#e68112',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: '#b0bc47',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: '#ffd683',
+    color: '#8c5416',
+    borderColor: '#b0bc47',
+    borderWidth: 2,
+    fontSize: 18,
+    active: {
+      borderColor: '#e68112'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: '#8c5416',
+    active: {
+      borderColor: '#b0bc47'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: '#ffd683',
+    borderColor: '#b0bc47',
+    borderWidth: 2,
+    color: '#8c5416',
+    active: {
+      borderColor: '#e68112'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/avocado.js
+++ b/simple-mind-map/src/themes/avocado.js
@@ -0,0 +1,57 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 牛油果
+export default merge(defaultTheme, {
+  // 背景颜色
+  backgroundColor: '#e6f1de',
+  // 连线的颜色
+  lineColor: '#f5ffad',
+  lineWidth: 4,
+  // 概要连线的粗细
+  generalizationLineWidth: 3,
+  // 概要连线的颜色
+  generalizationLineColor: '#749336',
+  // 根节点样式
+  root: {
+    fillColor: '#94c143',
+    color: '#fff',
+    borderColor: '#94c143',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: '#749336',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: '#cee498',
+    color: '#749336',
+    borderColor: '#aec668',
+    borderWidth: 2,
+    fontSize: 18,
+    active: {
+      borderColor: '#749336'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: '#749336',
+    active: {
+      borderColor: '#749336'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: '#cee498',
+    borderColor: '#aec668',
+    borderWidth: 2,
+    color: '#749336',
+    active: {
+      borderColor: '#749336'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/blackGold.js
+++ b/simple-mind-map/src/themes/blackGold.js
@@ -0,0 +1,57 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 黑金
+export default merge(defaultTheme, {
+  // 背景颜色
+  backgroundColor: 'rgb(18, 20, 20)',
+  // 连线的颜色
+  lineColor: 'rgb(205, 186, 156)',
+  lineWidth: 3,
+  // 概要连线的粗细
+  generalizationLineWidth: 3,
+  // 概要连线的颜色
+  generalizationLineColor: 'rgb(245, 224, 191)',
+  // 根节点样式
+  root: {
+    fillColor: 'rgb(255, 208, 124)',
+    color: 'rgb(111, 61, 6)',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: '#fff',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: 'rgb(66, 57, 46)',
+    color: 'rgb(225, 201, 158)',
+    borderColor: 'rgb(245, 224, 191)',
+    borderWidth: 2,
+    fontSize: 18,
+    active: {
+      borderColor: 'rgb(255, 208, 124)'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: 'rgb(231, 203, 155)',
+    active: {
+      borderColor: 'rgb(255, 208, 124)'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: 'rgb(56, 45, 34)',
+    borderColor: 'rgb(104, 84, 61)',
+    borderWidth: 2,
+    color: 'rgb(242, 216, 176)',
+    active: {
+      borderColor: 'rgb(255, 208, 124)'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/blackHumour.js
+++ b/simple-mind-map/src/themes/blackHumour.js
@@ -0,0 +1,58 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 黑色幽默
+export default merge(defaultTheme, {
+  // 背景颜色
+  backgroundColor: 'rgb(27, 31, 34)',
+  // 连线的颜色
+  lineColor: 'rgb(75, 81, 78)',
+  lineWidth: 3,
+  // 概要连线的粗细
+  generalizationLineWidth: 3,
+  // 概要连线的颜色
+  generalizationLineColor: 'rgb(255, 119, 34)',
+  // 根节点样式
+  root: {
+    fillColor: 'rgb(36, 179, 96)',
+    color: '#fff',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: 'rgb(254, 199, 13)',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: 'rgb(254, 199, 13)',
+    color: 'rgb(0, 0, 0)',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 18,
+    active: {
+      borderColor: 'rgb(36, 179, 96)',
+      borderWidth: 3
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: 'rgb(204, 204, 204)',
+    active: {
+      borderColor: 'rgb(254, 199, 13)'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: 'rgb(27, 31, 34)',
+    borderColor: 'rgb(255, 119, 34)',
+    borderWidth: 2,
+    color: 'rgb(204, 204, 204)',
+    active: {
+      borderColor: 'rgb(36, 179, 96)'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/coffee.js
+++ b/simple-mind-map/src/themes/coffee.js
@@ -0,0 +1,55 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 咖啡
+export default merge(defaultTheme, {
+  // 连线的颜色
+  lineColor: 'rgb(173, 123, 91)',
+  lineWidth: 4,
+  // 概要连线的粗细
+  generalizationLineWidth: 4,
+  // 概要连线的颜色
+  generalizationLineColor: 'rgb(173, 123, 91)',
+  // 根节点样式
+  root: {
+    fillColor: 'rgb(202, 117, 79)',
+    color: '#fff',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: 'rgb(173, 123, 91)',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: 'rgb(245, 231, 216)',
+    color: 'rgb(125, 86, 42)',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 18,
+    active: {
+      borderColor: 'rgb(173, 123, 91)'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: 'rgb(96, 71, 47)',
+    active: {
+      borderColor: 'rgb(173, 123, 91)'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: 'rgb(255, 249, 239)',
+    borderColor: 'rgb(173, 123, 91)',
+    borderWidth: 2,
+    color: 'rgb(122, 83, 44)',
+    active: {
+      borderColor: 'rgb(202, 117, 79)'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/courseGreen.js
+++ b/simple-mind-map/src/themes/courseGreen.js
@@ -0,0 +1,55 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 课程绿
+export default merge(defaultTheme, {
+  // 连线的颜色
+  lineColor: 'rgb(113, 195, 169)',
+  lineWidth: 3,
+  // 概要连线的粗细
+  generalizationLineWidth: 3,
+  // 概要连线的颜色
+  generalizationLineColor: 'rgb(113, 195, 169)',
+  // 根节点样式
+  root: {
+    fillColor: 'rgb(16, 160, 121)',
+    color: '#fff',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: 'rgb(173, 91, 12)',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: 'rgb(240, 252, 249)',
+    color: 'rgb(50, 113, 96)',
+    borderColor: 'rgb(113, 195, 169)',
+    borderWidth: 2,
+    fontSize: 18,
+    active: {
+      borderColor: 'rgb(173, 91, 12)'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: 'rgb(10, 59, 43)',
+    active: {
+      borderColor: 'rgb(173, 91, 12)'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: 'rgb(246, 238, 211)',
+    borderColor: '',
+    borderWidth: 0,
+    color: 'rgb(173, 91, 12)',
+    active: {
+      borderColor: 'rgb(113, 195, 169)'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/default.js
+++ b/simple-mind-map/src/themes/default.js
@@ -34,6 +34,14 @@ export default {
  associativeLineActiveWidth: 8,
  // 关联线激活状态的颜色
  associativeLineActiveColor: 'rgba(2, 167, 240, 1)',
+  // 关联线文字颜色
+  associativeLineTextColor: 'rgb(51, 51, 51)',
+  // 关联线文字大小
+  associativeLineTextFontSize: 14,
+  // 关联线文字行高
+  associativeLineTextLineHeight: 1.2,
+  // 关联线文字字体
+  associativeLineTextFontFamily: '微软雅黑, Microsoft YaHei',
  // 背景颜色
  backgroundColor: '#fafafa',
  // 背景图片
@@ -148,4 +156,38 @@ export const supportActiveStyle = [
  'borderRadius'
 ]

+// 检测主题配置是否是节点大小无关的
+const nodeSizeIndependenceList = [
+  'lineWidth',
+  'lineColor',
+  'lineDasharray',
+  'lineStyle',
+  'generalizationLineWidth',
+  'generalizationLineColor',
+  'associativeLineWidth',
+  'associativeLineColor',
+  'associativeLineActiveWidth',
+  'associativeLineActiveColor',
+  'associativeLineTextColor',
+  'associativeLineTextFontSize',
+  'associativeLineTextLineHeight',
+  'associativeLineTextFontFamily',
+  'backgroundColor',
+  'backgroundImage',
+  'backgroundRepeat',
+  'backgroundPosition',
+  'backgroundSize'
+]
+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]
+    })) {
+      return false
+    }
+  }
+  return true
+}
+
 export const lineStyleProps = ['lineColor', 'lineDasharray', 'lineWidth']
--- a/simple-mind-map/src/themes/index.js
+++ b/simple-mind-map/src/themes/index.js
@@ -20,6 +20,16 @@ import vitalityOrange from './vitalityOrange'
 import greenLeaf from './greenLeaf'
 import dark2 from './dark2'
 import skyGreen from './skyGreen'
+import simpleBlack from './simpleBlack'
+import courseGreen from './courseGreen'
+import coffee from './coffee'
+import redSpirit from './redSpirit'
+import blackHumour from './blackHumour'
+import lateNightOffice from './lateNightOffice'
+import blackGold from './blackGold'
+import avocado from './avocado'
+import autumn from './autumn'
+import orangeJuice from './orangeJuice'

 export default {
  default: defaultTheme,
@@ -43,5 +53,15 @@ export default {
  vitalityOrange,
  greenLeaf,
  dark2,
-  skyGreen
+  skyGreen,
+  simpleBlack,
+  courseGreen,
+  coffee,
+  redSpirit,
+  blackHumour,
+  lateNightOffice,
+  blackGold,
+  avocado,
+  autumn,
+  orangeJuice
 }
--- a/simple-mind-map/src/themes/lateNightOffice.js
+++ b/simple-mind-map/src/themes/lateNightOffice.js
@@ -0,0 +1,58 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 深夜办公室
+export default merge(defaultTheme, {
+  // 背景颜色
+  backgroundColor: 'rgb(32, 37, 49)',
+  // 连线的颜色
+  lineColor: 'rgb(137, 167, 196)',
+  lineWidth: 3,
+  // 概要连线的粗细
+  generalizationLineWidth: 3,
+  // 概要连线的颜色
+  generalizationLineColor: 'rgb(255, 119, 34)',
+  // 根节点样式
+  root: {
+    fillColor: 'rgb(23, 153, 243)',
+    color: 'rgb(255, 255, 255)',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: 'rgb(255, 119, 34)',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: 'rgb(70, 78, 94)',
+    color: 'rgb(209, 210, 210)',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 18,
+    active: {
+      borderColor: 'rgb(255, 119, 34)',
+      borderWidth: 3
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: 'rgb(204, 204, 204)',
+    active: {
+      borderColor: 'rgb(255, 119, 34)'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: 'rgb(255, 119, 34)',
+    borderColor: '',
+    borderWidth: 2,
+    color: '#fff',
+    active: {
+      borderColor: 'rgb(23, 153, 243)'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/orangeJuice.js
+++ b/simple-mind-map/src/themes/orangeJuice.js
@@ -0,0 +1,57 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 橙汁
+export default merge(defaultTheme, {
+  // 背景颜色
+  backgroundColor: '#070616',
+  // 连线的颜色
+  lineColor: '#fff',
+  lineWidth: 3,
+  // 概要连线的粗细
+  generalizationLineWidth: 3,
+  // 概要连线的颜色
+  generalizationLineColor: '#fff',
+  // 根节点样式
+  root: {
+    fillColor: '#ff6811',
+    color: '#110501',
+    borderColor: '#ff6811',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: '#a9a4a9',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: '#070616',
+    color: '#a9a4a9',
+    borderColor: '#ff6811',
+    borderWidth: 2,
+    fontSize: 18,
+    active: {
+      borderColor: '#110501'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: '#a9a4a9',
+    active: {
+      borderColor: '#ff6811'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: '',
+    borderColor: '#ff6811',
+    borderWidth: 2,
+    color: '#a9a4a9',
+    active: {
+      borderColor: '#110501'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/redSpirit.js
+++ b/simple-mind-map/src/themes/redSpirit.js
@@ -0,0 +1,57 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 红色精神
+export default merge(defaultTheme, {
+  // 背景颜色
+  backgroundColor: 'rgb(255, 238, 228)',
+  // 连线的颜色
+  lineColor: 'rgb(230, 138, 131)',
+  lineWidth: 3,
+  // 概要连线的粗细
+  generalizationLineWidth: 3,
+  // 概要连线的颜色
+  generalizationLineColor: 'rgb(222, 101, 85)',
+  // 根节点样式
+  root: {
+    fillColor: 'rgb(207, 44, 44)',
+    color: 'rgb(255, 233, 157)',
+    borderColor: '',
+    borderWidth: 0,
+    fontSize: 24,
+    active: {
+      borderColor: 'rgb(255, 233, 157)',
+      borderWidth: 3
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: 'rgb(255, 255, 255)',
+    color: 'rgb(211, 58, 21)',
+    borderColor: 'rgb(222, 101, 85)',
+    borderWidth: 2,
+    fontSize: 18,
+    active: {
+      borderColor: 'rgb(255, 233, 157)'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: 'rgb(144, 71, 43)',
+    active: {
+      borderColor: 'rgb(255, 233, 157)'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: 'rgb(255, 247, 211)',
+    borderColor: 'rgb(255, 202, 162)',
+    borderWidth: 2,
+    color: 'rgb(187, 101, 69)',
+    active: {
+      borderColor: 'rgb(222, 101, 85)'
+    }
+  }
+})
--- a/simple-mind-map/src/themes/simpleBlack.js
+++ b/simple-mind-map/src/themes/simpleBlack.js
@@ -0,0 +1,54 @@
+import defaultTheme from './default'
+import merge from 'deepmerge'
+
+// 简约黑
+export default merge(defaultTheme, {
+  // 连线的颜色
+  lineColor: 'rgb(34, 34, 34)',
+  lineWidth: 4,
+  // 概要连线的粗细
+  generalizationLineWidth: 4,
+  // 概要连线的颜色
+  generalizationLineColor: 'rgb(34, 34, 34)',
+  // 根节点样式
+  root: {
+    fillColor: '#fff',
+    color: 'rgb(34, 34, 34)',
+    borderColor: 'rgb(34, 34, 34)',
+    borderWidth: 3,
+    fontSize: 24,
+    active: {
+      borderColor: '#a13600'
+    }
+  },
+  // 二级节点样式
+  second: {
+    fillColor: 'rgb(241, 246, 248)',
+    color: 'rgb(34, 34, 34)',
+    borderColor: 'rgb(34, 34, 34)',
+    borderWidth: 3,
+    fontSize: 18,
+    active: {
+      borderColor: '#a13600'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    fontSize: 14,
+    color: 'rgb(34, 34, 34)',
+    active: {
+      borderColor: '#a13600'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    fontSize: 14,
+    fillColor: 'transparent',
+    borderColor: 'rgb(34, 34, 34)',
+    borderWidth: 2,
+    color: 'rgb(34, 34, 34)',
+    active: {
+      borderColor: '#a13600'
+    }
+  }
+})
--- a/simple-mind-map/src/utils/BatchExecution.js
+++ b/simple-mind-map/src/utils/BatchExecution.js
@@ -1,4 +1,4 @@
-import { nextTick } from './utils'
+import { nextTick } from '.'

 //  批量执行
 class BatchExecution {
--- a/simple-mind-map/src/utils/Lru.js
+++ b/simple-mind-map/src/utils/Lru.js
@@ -0,0 +1,39 @@
+// LRU缓存类
+export default class CRU {
+    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)
+        }
+        
+    }
+
+    delete(key) {
+        if (this.pool.has(key)) {
+            this.pool.delete(key)
+            this.size--
+        }
+    }
+
+    has(key) {
+        return this.pool.has(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
@@ -302,4 +302,69 @@ export const nextTick = function (fn, ctx) {
    pending = true
    timerFunc(handle, 0)
  }
+}
+
+// 检查节点是否超出画布
+export const checkNodeOuter = (mindMap, node) => {
+  let elRect = mindMap.elRect
+  let { scaleX, scaleY, translateX, translateY } = mindMap.draw.transform()
+  let { left, top, width, height } = node
+  let right = (left + width) * scaleX + translateX
+  let bottom = (top + height) * scaleY + translateY
+  left = left * scaleX + translateX
+  top = top * scaleY + translateY
+  let offsetLeft = 0
+  let offsetTop = 0
+  if (left < 0) {
+    offsetLeft = -left
+  }
+  if (right > elRect.width) {
+    offsetLeft = -(right - elRect.width)
+  }
+  if (top < 0) {
+    offsetTop = -top
+  }
+  if (bottom > elRect.height) {
+    offsetTop = -(bottom - elRect.height)
+  }
+  return {
+    isOuter: offsetLeft !== 0 || offsetTop !== 0,
+    offsetLeft,
+    offsetTop
+  }
+}
+
+// 提取html字符串里的纯文本
+let getTextFromHtmlEl = null
+export const getTextFromHtml = (html) => {
+  if (!getTextFromHtmlEl) {
+    getTextFromHtmlEl = document.createElement('div')
+  }
+  getTextFromHtmlEl.innerHTML = html
+  return getTextFromHtmlEl.textContent
+}
+
+// 将blob转成data:url
+export const readBlob = (blob) => {
+  return new Promise((resolve, reject) => {
+    let reader = new FileReader()
+    reader.onload = (evt) => {
+      resolve(evt.target.result)
+    }
+    reader.onerror = (err) => {
+      reject(err)
+    }
+    reader.readAsDataURL(blob)
+  })
+}
+
+// 将dom节点转换成html字符串
+let nodeToHTMLWrapEl = null
+export const nodeToHTML = (node) => {
+  if (!nodeToHTMLWrapEl) {
+    nodeToHTMLWrapEl = document.createElement('div')
+  }
+  nodeToHTMLWrapEl.innerHTML = ''
+  nodeToHTMLWrapEl.appendChild(node)
+  return nodeToHTMLWrapEl.innerHTML
 }
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -25,6 +25,7 @@
        "@vue/cli-service": "^4.5.0",
        "babel-eslint": "^10.1.0",
        "chokidar": "^3.5.3",
+        "esbuild": "^0.17.15",
        "eslint": "^6.7.2",
        "eslint-plugin-vue": "^6.2.2",
        "less": "^3.12.2",
@@ -32,6 +33,7 @@
        "markdown-it": "^13.0.1",
        "markdown-it-checkbox": "^1.1.0",
        "prettier": "^1.19.1",
+        "vconsole": "^3.15.1",
        "vue-template-compiler": "^2.6.11",
        "webpack": "^4.44.2"
      }
@@ -1717,6 +1719,358 @@
        "node": ">=6.9.0"
      }
    },
+    "node_modules/@esbuild/android-arm": {
+      "version": "0.17.15",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.17.15.tgz",
+      "integrity": "sha512-sRSOVlLawAktpMvDyJIkdLI/c/kdRTOqo8t6ImVxg8yT7LQDUYV5Rp2FKeEosLr6ZCja9UjYAzyRSxGteSJPYg==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/android-arm64": {
+      "version": "0.17.15",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.17.15.tgz",
+      "integrity": "sha512-0kOB6Y7Br3KDVgHeg8PRcvfLkq+AccreK///B4Z6fNZGr/tNHX0z2VywCc7PTeWp+bPvjA5WMvNXltHw5QjAIA==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/android-x64": {
+      "version": "0.17.15",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.17.15.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/darwin-arm64": {
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+        "arm64"
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+      "dev": true,
+      "optional": true,
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+        "darwin"
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+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
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+        "freebsd"
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+      "dev": true,
+      "optional": true,
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+      "dev": true,
+      "optional": true,
+      "os": [
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+      "dev": true,
+      "optional": true,
+      "os": [
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+      "dev": true,
+      "optional": true,
+      "os": [
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        "semver": "^6.1.0"
      }
@@ -19983,6 +20556,12 @@
      "integrity": "sha512-XgZ0pFcakEUlbwQEVNg3+QAis1FyTL3Qel9FYy8pSkQqoG3PNoT0bOCQtOXcOkur21r2Eq2kI+IE+gsmAEVlYw==",
      "dev": true
    },
+    "copy-text-to-clipboard": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/copy-text-to-clipboard/-/copy-text-to-clipboard-3.1.0.tgz",
+      "integrity": "sha512-PFM6BnjLnOON/lB3ta/Jg7Ywsv+l9kQGD4TWDCSlRBGmqnnTM5MrDkhAFgw+8HZt0wW6Q2BBE4cmy9sq+s9Qng==",
+      "dev": true
+    },
    "copy-webpack-plugin": {
      "version": "5.1.2",
      "resolved": "https://registry.npmjs.org/copy-webpack-plugin/-/copy-webpack-plugin-5.1.2.tgz",
@@ -21106,6 +21685,36 @@
        "is-symbol": "^1.0.2"
      }
    },
+    "esbuild": {
+      "version": "0.17.15",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.17.15.tgz",
+      "integrity": "sha512-LBUV2VsUIc/iD9ME75qhT4aJj0r75abCVS0jakhFzOtR7TQsqQA5w0tZ+KTKnwl3kXE0MhskNdHDh/I5aCR1Zw==",
+      "dev": true,
+      "requires": {
+        "@esbuild/android-arm": "0.17.15",
+        "@esbuild/android-arm64": "0.17.15",
+        "@esbuild/android-x64": "0.17.15",
+        "@esbuild/darwin-arm64": "0.17.15",
+        "@esbuild/darwin-x64": "0.17.15",
+        "@esbuild/freebsd-arm64": "0.17.15",
+        "@esbuild/freebsd-x64": "0.17.15",
+        "@esbuild/linux-arm": "0.17.15",
+        "@esbuild/linux-arm64": "0.17.15",
+        "@esbuild/linux-ia32": "0.17.15",
+        "@esbuild/linux-loong64": "0.17.15",
+        "@esbuild/linux-mips64el": "0.17.15",
+        "@esbuild/linux-ppc64": "0.17.15",
+        "@esbuild/linux-riscv64": "0.17.15",
+        "@esbuild/linux-s390x": "0.17.15",
+        "@esbuild/linux-x64": "0.17.15",
+        "@esbuild/netbsd-x64": "0.17.15",
+        "@esbuild/openbsd-x64": "0.17.15",
+        "@esbuild/sunos-x64": "0.17.15",
+        "@esbuild/win32-arm64": "0.17.15",
+        "@esbuild/win32-ia32": "0.17.15",
+        "@esbuild/win32-x64": "0.17.15"
+      }
+    },
    "escalade": {
      "version": "3.1.1",
      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
@@ -23995,6 +24604,12 @@
      "integrity": "sha512-cnAsSVxIDsYt0v7HmC0hWZFwwXSh+E6PgCrREDuN/EsjgLwA5XRmlMHhSiDPrt6HxY1gTivEa/Zh7GtODoLevQ==",
      "dev": true
    },
+    "mutation-observer": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/mutation-observer/-/mutation-observer-1.0.3.tgz",
+      "integrity": "sha512-M/O/4rF2h776hV7qGMZUH3utZLO/jK7p8rnNgGkjKUw8zCGjRQPxB8z6+5l8+VjRUQ3dNYu4vjqXYLr+U8ZVNA==",
+      "dev": true
+    },
    "mute-stream": {
      "version": "0.0.8",
      "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.8.tgz",
@@ -27994,6 +28609,18 @@
      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
      "dev": true
    },
+    "vconsole": {
+      "version": "3.15.1",
+      "resolved": "https://registry.npmjs.org/vconsole/-/vconsole-3.15.1.tgz",
+      "integrity": "sha512-KH8XLdrq9T5YHJO/ixrjivHfmF2PC2CdVoK6RWZB4yftMykYIaXY1mxZYAic70vADM54kpMQF+dYmvl5NRNy1g==",
+      "dev": true,
+      "requires": {
+        "@babel/runtime": "^7.17.2",
+        "copy-text-to-clipboard": "^3.0.1",
+        "core-js": "^3.11.0",
+        "mutation-observer": "^1.0.3"
+      }
+    },
    "vendors": {
      "version": "1.0.4",
      "resolved": "https://registry.npmjs.org/vendors/-/vendors-1.0.4.tgz",
--- a/web/package.json
+++ b/web/package.json
@@ -6,7 +6,7 @@
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build && node ../copy.js",
    "lint": "vue-cli-service lint",
-    "buildLibrary": "vue-cli-service build --target lib --name simpleMindMap ../simple-mind-map/full.js --dest ../simple-mind-map/dist",
+    "buildLibrary": "vue-cli-service build --target lib --name simpleMindMap ../simple-mind-map/full.js --dest ../simple-mind-map/dist && esbuild ../simple-mind-map/full.js --bundle --external:buffer --format=esm --outfile=../simple-mind-map/dist/simpleMindMap.esm.js",
    "format": "prettier --write src/* src/*/* src/*/*/* src/*/*/*/*",
    "buildDoc": "node ./scripts/buildDoc.js",
    "autoBuildDoc": "node ./scripts/autoBuildDoc.js"
@@ -29,6 +29,7 @@
    "@vue/cli-service": "^4.5.0",
    "babel-eslint": "^10.1.0",
    "chokidar": "^3.5.3",
+    "esbuild": "^0.17.15",
    "eslint": "^6.7.2",
    "eslint-plugin-vue": "^6.2.2",
    "less": "^3.12.2",
@@ -36,6 +37,7 @@
    "markdown-it": "^13.0.1",
    "markdown-it-checkbox": "^1.1.0",
    "prettier": "^1.19.1",
+    "vconsole": "^3.15.1",
    "vue-template-compiler": "^2.6.11",
    "webpack": "^4.44.2"
  },
--- a/web/public/index.html
+++ b/web/public/index.html
@@ -3,7 +3,7 @@
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <meta name="viewport" content="width=device-width,user-scalable=no,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0">
    <link rel="icon" href="./dist/logo.png">
    <title>一个简单的web思维导图实现</title>
  </head>
--- a/web/scripts/transformMdToVue.js
+++ b/web/scripts/transformMdToVue.js
@@ -2,6 +2,8 @@ const path = require('path')
 const fs = require('fs')
 const hljs = require('highlight.js')
 const md = require('markdown-it')({
+  html: true,
+  xhtmlOut: true,
  highlight: function(str, lang) {
    if (lang && hljs.getLanguage(lang)) {
      try {
--- a/web/src/assets/.DS_Store
+++ b/web/src/assets/.DS_Store
--- a/web/src/assets/avatar/Think.jpg
+++ b/web/src/assets/avatar/Think.jpg
--- a/web/src/assets/avatar/小土渣的宇宙.jpeg
+++ b/web/src/assets/avatar/小土渣的宇宙.jpeg
--- a/web/src/assets/avatar/志斌.jpg
+++ b/web/src/assets/avatar/志斌.jpg
--- a/web/src/assets/icon-font/iconfont.css
+++ b/web/src/assets/icon-font/iconfont.css
@@ -1,8 +1,8 @@
@font-face {
  font-family: "iconfont"; /* Project id 2479351 */
-  src: url('iconfont.woff2?t=1679621707211') format('woff2'),
-       url('iconfont.woff?t=1679621707211') format('woff'),
-       url('iconfont.ttf?t=1679621707211') format('truetype');
+  src: url('iconfont.woff2?t=1686298427624') format('woff2'),
+       url('iconfont.woff?t=1686298427624') format('woff'),
+       url('iconfont.ttf?t=1686298427624') format('truetype');
 }

 .iconfont {
@@ -13,6 +13,14 @@
  -moz-osx-font-smoothing: grayscale;
 }

+.iconmouseR:before {
+  content: "\e6bd";
+}
+
+.iconmouseL:before {
+  content: "\e6c0";
+}
+
 .iconwenjian:before {
  content: "\e607";
 }
--- a/web/src/assets/icon-font/iconfont.ttf
+++ b/web/src/assets/icon-font/iconfont.ttf
--- a/web/src/assets/icon-font/iconfont.woff
+++ b/web/src/assets/icon-font/iconfont.woff
--- a/web/src/assets/icon-font/iconfont.woff2
+++ b/web/src/assets/icon-font/iconfont.woff2
--- a/web/src/assets/img/alipay.jpg
+++ b/web/src/assets/img/alipay.jpg
--- a/web/src/assets/img/autumn.jpg
+++ b/web/src/assets/img/autumn.jpg
--- a/web/src/assets/img/avocado.jpg
+++ b/web/src/assets/img/avocado.jpg
--- a/web/src/assets/img/fishbone.jpg
+++ b/web/src/assets/img/fishbone.jpg
--- a/web/src/assets/img/iconList.jpg
+++ b/web/src/assets/img/iconList.jpg
--- a/web/src/assets/img/orangeJuice.jpg
+++ b/web/src/assets/img/orangeJuice.jpg
--- a/web/src/assets/img/timeline.jpg
+++ b/web/src/assets/img/timeline.jpg
--- a/web/src/assets/img/timeline2.jpg
+++ b/web/src/assets/img/timeline2.jpg
--- a/web/src/assets/img/wechat.jpg
+++ b/web/src/assets/img/wechat.jpg
--- a/web/src/config/constant.js
+++ b/web/src/config/constant.js
@@ -3,7 +3,10 @@ export const layoutImgMap = {
    logicalStructure: require('../assets/img/logicalStructure.jpg'),
    mindMap: require('../assets/img/mindMap.jpg'),
    organizationStructure: require('../assets/img/organizationStructure.jpg'),
-    catalogOrganization: require('../assets/img/catalogOrganization.jpg')
+    catalogOrganization: require('../assets/img/catalogOrganization.jpg'),
+    timeline: require('../assets/img/timeline.jpg'),
+    timeline2: require('../assets/img/timeline2.jpg'),
+    fishbone: require('../assets/img/fishbone.jpg'),
 }

 //  主题图片映射
@@ -37,5 +40,8 @@ export const themeMap = {
    blackHumour: require('../assets/img/blackHumour.jpg'),
    lateNightOffice: require('../assets/img/lateNightOffice.jpg'),
    blackGold: require('../assets/img/blackGold.jpg'),
+    autumn: require('../assets/img/autumn.jpg'),
+    avocado: require('../assets/img/avocado.jpg'),
+    orangeJuice: require('../assets/img/orangeJuice.jpg'),
 }
  
--- a/web/src/config/en.js
+++ b/web/src/config/en.js
@@ -291,6 +291,11 @@ export const shortcutKeyList = [
        icon: 'icondingwei',
        name: 'Reset',
        value: 'Ctrl + Enter'
+      },
+      {
+        icon: 'iconquanping1',
+        name: 'fit canvas',
+        value: 'Ctrl + i'
      }
    ]
  }
--- a/web/src/config/icon.js
+++ b/web/src/config/icon.js
--- a/web/src/config/zh.js
+++ b/web/src/config/zh.js
@@ -351,6 +351,11 @@ export const shortcutKeyList = [
        icon: 'icondingwei',
        name: '恢复默认',
        value: 'Ctrl + Enter'
+      },
+      {
+        icon: 'iconquanping1',
+        name: '适应画布',
+        value: 'Ctrl + i'
      }
    ]
  }
--- a/web/src/customThemes/blackGold.js
+++ b/web/src/customThemes/blackGold.js
@@ -1,55 +0,0 @@
-// 黑金
-export default {
-    // 背景颜色
-    backgroundColor: 'rgb(18, 20, 20)',
-    // 连线的颜色
-    lineColor: 'rgb(205, 186, 156)',
-    lineWidth: 3,
-    // 概要连线的粗细
-    generalizationLineWidth: 3,
-    // 概要连线的颜色
-    generalizationLineColor: 'rgb(245, 224, 191)',
-    // 根节点样式
-    root: {
-      fillColor: 'rgb(255, 208, 124)',
-      color: 'rgb(111, 61, 6)',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 24,
-      active: {
-        borderColor: '#fff',
-        borderWidth: 3,
-      }
-    },
-    // 二级节点样式
-    second: {
-      fillColor: 'rgb(66, 57, 46)',
-      color: 'rgb(225, 201, 158)',
-      borderColor: 'rgb(245, 224, 191)',
-      borderWidth: 2,
-      fontSize: 18,
-      active: {
-        borderColor: 'rgb(255, 208, 124)',
-      }
-    },
-    // 三级及以下节点样式
-    node: {
-      fontSize: 14,
-      color: 'rgb(231, 203, 155)',
-      active: {
-        borderColor: 'rgb(255, 208, 124)'
-      }
-    },
-    // 概要节点样式
-    generalization: {
-      fontSize: 14,
-      fillColor: 'rgb(56, 45, 34)',
-      borderColor: 'rgb(104, 84, 61)',
-      borderWidth: 2,
-      color: 'rgb(242, 216, 176)',
-      active: {
-        borderColor: 'rgb(255, 208, 124)'
-      }
-    }
-  }
-  
--- a/web/src/customThemes/blackHumour.js
+++ b/web/src/customThemes/blackHumour.js
@@ -1,56 +0,0 @@
-// 黑色幽默
-export default {
-    // 背景颜色
-    backgroundColor: 'rgb(27, 31, 34)',
-    // 连线的颜色
-    lineColor: 'rgb(75, 81, 78)',
-    lineWidth: 3,
-    // 概要连线的粗细
-    generalizationLineWidth: 3,
-    // 概要连线的颜色
-    generalizationLineColor: 'rgb(255, 119, 34)',
-    // 根节点样式
-    root: {
-      fillColor: 'rgb(36, 179, 96)',
-      color: '#fff',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 24,
-      active: {
-        borderColor: 'rgb(254, 199, 13)',
-        borderWidth: 3,
-      }
-    },
-    // 二级节点样式
-    second: {
-      fillColor: 'rgb(254, 199, 13)',
-      color: 'rgb(0, 0, 0)',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 18,
-      active: {
-        borderColor: 'rgb(36, 179, 96)',
-        borderWidth: 3,
-      }
-    },
-    // 三级及以下节点样式
-    node: {
-      fontSize: 14,
-      color: 'rgb(204, 204, 204)',
-      active: {
-        borderColor: 'rgb(254, 199, 13)'
-      }
-    },
-    // 概要节点样式
-    generalization: {
-      fontSize: 14,
-      fillColor: 'rgb(27, 31, 34)',
-      borderColor: 'rgb(255, 119, 34)',
-      borderWidth: 2,
-      color: 'rgb(204, 204, 204)',
-      active: {
-        borderColor: 'rgb(36, 179, 96)'
-      }
-    }
-  }
-  
--- a/web/src/customThemes/coffee.js
+++ b/web/src/customThemes/coffee.js
@@ -1,53 +0,0 @@
-// 咖啡
-export default {
-    // 连线的颜色
-    lineColor: 'rgb(173, 123, 91)',
-    lineWidth: 4,
-    // 概要连线的粗细
-    generalizationLineWidth: 4,
-    // 概要连线的颜色
-    generalizationLineColor: 'rgb(173, 123, 91)',
-    // 根节点样式
-    root: {
-      fillColor: 'rgb(202, 117, 79)',
-      color: '#fff',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 24,
-      active: {
-        borderColor: 'rgb(173, 123, 91)',
-        borderWidth: 3,
-      }
-    },
-    // 二级节点样式
-    second: {
-      fillColor: 'rgb(245, 231, 216)',
-      color: 'rgb(125, 86, 42)',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 18,
-      active: {
-        borderColor: 'rgb(173, 123, 91)',
-      }
-    },
-    // 三级及以下节点样式
-    node: {
-      fontSize: 14,
-      color: 'rgb(96, 71, 47)',
-      active: {
-        borderColor: 'rgb(173, 123, 91)'
-      }
-    },
-    // 概要节点样式
-    generalization: {
-      fontSize: 14,
-      fillColor: 'rgb(255, 249, 239)',
-      borderColor: 'rgb(173, 123, 91)',
-      borderWidth: 2,
-      color: 'rgb(122, 83, 44)',
-      active: {
-        borderColor: 'rgb(202, 117, 79)'
-      }
-    }
-  }
-  
--- a/web/src/customThemes/courseGreen.js
+++ b/web/src/customThemes/courseGreen.js
@@ -1,53 +0,0 @@
-// 课程绿
-export default {
-    // 连线的颜色
-    lineColor: 'rgb(113, 195, 169)',
-    lineWidth: 3,
-    // 概要连线的粗细
-    generalizationLineWidth: 3,
-    // 概要连线的颜色
-    generalizationLineColor: 'rgb(113, 195, 169)',
-    // 根节点样式
-    root: {
-      fillColor: 'rgb(16, 160, 121)',
-      color: '#fff',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 24,
-      active: {
-        borderColor: 'rgb(173, 91, 12)',
-        borderWidth: 3,
-      }
-    },
-    // 二级节点样式
-    second: {
-      fillColor: 'rgb(240, 252, 249)',
-      color: 'rgb(50, 113, 96)',
-      borderColor: 'rgb(113, 195, 169)',
-      borderWidth: 2,
-      fontSize: 18,
-      active: {
-        borderColor: 'rgb(173, 91, 12)',
-      }
-    },
-    // 三级及以下节点样式
-    node: {
-      fontSize: 14,
-      color: 'rgb(10, 59, 43)',
-      active: {
-        borderColor: 'rgb(173, 91, 12)'
-      }
-    },
-    // 概要节点样式
-    generalization: {
-      fontSize: 14,
-      fillColor: 'rgb(246, 238, 211)',
-      borderColor: '',
-      borderWidth: 0,
-      color: 'rgb(173, 91, 12)',
-      active: {
-        borderColor: 'rgb(113, 195, 169)'
-      }
-    }
-  }
-  
--- a/web/src/customThemes/index.js
+++ b/web/src/customThemes/index.js
@@ -1,45 +1,9 @@
 import simpleBlack from './simpleBlack'
-import courseGreen from './courseGreen'
-import coffee from './coffee'
-import redSpirit from './redSpirit'
-import blackHumour from './blackHumour'
-import lateNightOffice from './lateNightOffice'
-import blackGold from './blackGold'

 export default [
    {
        name: '简约黑',
        value: 'simpleBlack',
        theme: simpleBlack
-    },
-    {
-        name: '课程绿',
-        value: 'courseGreen',
-        theme: courseGreen
-    },
-    {
-        name: '咖啡',
-        value: 'coffee',
-        theme: coffee
-    },
-    {
-        name: '红色精神',
-        value: 'redSpirit',
-        theme: redSpirit
-    },
-    {
-        name: '黑色幽默',
-        value: 'blackHumour',
-        theme: blackHumour
-    },
-    {
-        name: '深夜办公室',
-        value: 'lateNightOffice',
-        theme: lateNightOffice
-    },
-    {
-        name: '黑金',
-        value: 'blackGold',
-        theme: blackGold
    }
 ]
--- a/web/src/customThemes/lateNightOffice.js
+++ b/web/src/customThemes/lateNightOffice.js
@@ -1,56 +0,0 @@
-// 深夜办公室
-export default {
-    // 背景颜色
-    backgroundColor: 'rgb(32, 37, 49)',
-    // 连线的颜色
-    lineColor: 'rgb(137, 167, 196)',
-    lineWidth: 3,
-    // 概要连线的粗细
-    generalizationLineWidth: 3,
-    // 概要连线的颜色
-    generalizationLineColor: 'rgb(255, 119, 34)',
-    // 根节点样式
-    root: {
-      fillColor: 'rgb(23, 153, 243)',
-      color: 'rgb(255, 255, 255)',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 24,
-      active: {
-        borderColor: 'rgb(255, 119, 34)',
-        borderWidth: 3,
-      }
-    },
-    // 二级节点样式
-    second: {
-      fillColor: 'rgb(70, 78, 94)',
-      color: 'rgb(209, 210, 210)',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 18,
-      active: {
-        borderColor: 'rgb(255, 119, 34)',
-        borderWidth: 3,
-      }
-    },
-    // 三级及以下节点样式
-    node: {
-      fontSize: 14,
-      color: 'rgb(204, 204, 204)',
-      active: {
-        borderColor: 'rgb(255, 119, 34)'
-      }
-    },
-    // 概要节点样式
-    generalization: {
-      fontSize: 14,
-      fillColor: 'rgb(255, 119, 34)',
-      borderColor: '',
-      borderWidth: 2,
-      color: '#fff',
-      active: {
-        borderColor: 'rgb(23, 153, 243)'
-      }
-    }
-  }
-  
--- a/web/src/customThemes/redSpirit.js
+++ b/web/src/customThemes/redSpirit.js
@@ -1,55 +0,0 @@
-// 红色精神
-export default {
-    // 背景颜色
-    backgroundColor: 'rgb(255, 238, 228)',
-    // 连线的颜色
-    lineColor: 'rgb(230, 138, 131)',
-    lineWidth: 3,
-    // 概要连线的粗细
-    generalizationLineWidth: 3,
-    // 概要连线的颜色
-    generalizationLineColor: 'rgb(222, 101, 85)',
-    // 根节点样式
-    root: {
-      fillColor: 'rgb(207, 44, 44)',
-      color: 'rgb(255, 233, 157)',
-      borderColor: '',
-      borderWidth: 0,
-      fontSize: 24,
-      active: {
-        borderColor: 'rgb(255, 233, 157)',
-        borderWidth: 3,
-      }
-    },
-    // 二级节点样式
-    second: {
-      fillColor: 'rgb(255, 255, 255)',
-      color: 'rgb(211, 58, 21)',
-      borderColor: 'rgb(222, 101, 85)',
-      borderWidth: 2,
-      fontSize: 18,
-      active: {
-        borderColor: 'rgb(255, 233, 157)',
-      }
-    },
-    // 三级及以下节点样式
-    node: {
-      fontSize: 14,
-      color: 'rgb(144, 71, 43)',
-      active: {
-        borderColor: 'rgb(255, 233, 157)'
-      }
-    },
-    // 概要节点样式
-    generalization: {
-      fontSize: 14,
-      fillColor: 'rgb(255, 247, 211)',
-      borderColor: 'rgb(255, 202, 162)',
-      borderWidth: 2,
-      color: 'rgb(187, 101, 69)',
-      active: {
-        borderColor: 'rgb(222, 101, 85)'
-      }
-    }
-  }
-  
--- a/web/src/lang/en_us.js
+++ b/web/src/lang/en_us.js
@@ -69,7 +69,8 @@ export default {
    level4: 'Level4',
    level5: 'Level5',
    level6: 'Level6',
-    zenMode: 'Zen mode'
+    zenMode: 'Zen mode',
+    fitCanvas: 'Fit canvas'
  },
  count: {
    words: 'Words',
@@ -90,12 +91,14 @@ export default {
    pdfFile: 'pdf file',
    markdownFile: 'markdown file',
    tips: 'tips: .smm and .json file can be import',
-    domToImage: 'Whether to convert rich text nodes in svg into pictures',
+    isTransparent: 'Background is transparent',
    pngTips: 'tips: Exporting pictures in rich text mode is time-consuming. It is recommended to export to svg format',
    svgTips: 'tips: Exporting pictures in rich text mode is time-consuming',
    transformingDomToImages: 'Converting nodes: ',
    notifyTitle: 'Info',
-    notifyMessage: 'If the download is not triggered, check whether it is blocked by the browser'
+    notifyMessage: 'If the download is not triggered, check whether it is blocked by the browser',
+    paddingX: 'Padding x',
+    paddingY: 'Padding y'
  },
  fullscreen: {
    fullscreenShow: 'Full screen show',
@@ -199,5 +202,9 @@ export default {
  edit: {
    newFeatureNoticeTitle: 'New feature reminder',
    newFeatureNoticeMessage: 'This update supports node rich text editing, But there are some defects, The most important impact is that the time to export the image is proportional to the number of nodes, Therefore, if you are more dependent on export requirements, you can use【Base style】-【Other config】-【Enable node rich text editing】Set to turn off rich text editing mode.'
+  },
+  mouseAction: {
+    tip1: 'Current: Left click to drag the canvas, right click to box select nodes',
+    tip2: 'Current: Left click to box select nodes, right click to drag the canvas',
  }
 }
--- a/web/src/lang/zh_cn.js
+++ b/web/src/lang/zh_cn.js
@@ -69,7 +69,8 @@ export default {
    level4: '四级主题',
    level5: '五级主题',
    level6: '六级主题',
-    zenMode: '禅模式'
+    zenMode: '禅模式',
+    fitCanvas: '适应画布'
  },
  count: {
    words: '字数',
@@ -90,12 +91,14 @@ export default {
    pdfFile: 'pdf文件',
    markdownFile: 'markdown文件',
    tips: 'tips：.smm和.json文件可用于导入',
-    domToImage: '是否将svg中富文本节点转换成图片',
+    isTransparent: '背景是否透明',
    pngTips: 'tips：富文本模式导出图片非常耗时，建议导出为svg格式',
    svgTips: 'tips：富文本模式导出图片非常耗时',
    transformingDomToImages: '正在转换节点：',
    notifyTitle: '消息',
-    notifyMessage: '如果没有触发下载，请检查是否被浏览器拦截了'
+    notifyMessage: '如果没有触发下载，请检查是否被浏览器拦截了',
+    paddingX: '水平内边距',
+    paddingY: '垂直内边距'
  },
  fullscreen: {
    fullscreenShow: '全屏查看',
@@ -199,5 +202,9 @@ export default {
  edit: {
    newFeatureNoticeTitle: '新特性提醒',
    newFeatureNoticeMessage: '本次更新支持了节点富文本编辑，但是存在一定缺陷，最主要的影响是导出为图片的时间和节点数量成正比，所以对导出需求比较依赖的话可以通过【基础样式】-【其他配置】-【是否开启节点富文本编辑】设置关掉富文本编辑模式。'
+  },
+  mouseAction: {
+    tip1: '当前：左键拖动画布，右键框选节点',
+    tip2: '当前：左键框选节点，右键拖动画布',
  }
 }
--- a/web/src/main.js
+++ b/web/src/main.js
@@ -8,6 +8,8 @@ import '@/assets/icon-font/iconfont.css'
 import 'viewerjs/dist/viewer.css'
 import VueViewer from 'v-viewer'
 import i18n from './i18n'
+// import VConsole from 'vconsole'
+// const vConsole = new VConsole()

 Vue.config.productionTip = false
 Vue.prototype.$bus = new Vue()
--- a/web/src/pages/Doc/catalogList.js
+++ b/web/src/pages/Doc/catalogList.js
@@ -10,7 +10,10 @@ let langList = [
    path: 'en'
  }
 ]
-let StartList = ['introduction', 'start', 'translate', 'changelog']
+let StartList = ['introduction', 'start', 'deploy', 'client', 'translate', 'changelog']
+let CourseList = new Array(20).fill(0).map((_, index) => {
+  return 'course' + (index + 1)
+})
 let APIList = [
  'constructor',
  'node',
@@ -27,6 +30,7 @@ let APIList = [
  'miniMap',
  'watermark',
  'associativeLine',
+  'touchEvent',
  'xmind',
  'markdown',
  'utils'
@@ -59,6 +63,10 @@ export default {
      groupName: '开始',
      list: createList('zh', StartList)
    },
+    {
+      groupName: '教程',
+      list: createList('zh', CourseList)
+    },
    {
      groupName: 'API',
      list: createList('zh', APIList)
@@ -69,6 +77,10 @@ export default {
      groupName: 'Start',
      list: createList('en', StartList)
    },
+    {
+      groupName: 'Course',
+      list: createList('zh', CourseList)
+    },
    {
      groupName: 'API',
      list: createList('en', APIList)
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
街角小林	b90d4ddf8a	Merge pull request #152 from F-star/feat/scale-in-wheel-curor Feat: 支持滚轮情况下，以光标为中心进行缩放	2023-06-27 08:47:40 +08:00
Hao Huang	314562c167	Feat: 支持滚轮情况下，以光标为中心进行缩放	2023-06-26 13:32:33 +00:00
wanglin2	5f0a9a7ce2	打包0.6.4	2023-06-26 16:20:38 +08:00
wanglin2	98e27841ad	Doc: update	2023-06-26 16:15:20 +08:00
wanglin2	1b6467728c	Feat:优化指定中心点缩放	2023-06-26 15:57:45 +08:00
街角小林	4bb349b2df	Merge pull request #151 from F-star/main Feat: 以画布为中心进行缩放	2023-06-26 15:25:08 +08:00
Hao Huang	b262336f08	Feat: 以画布为中心进行缩放	2023-06-26 05:47:06 +00:00
wanglin2	2b59087461	Merge branch 'feature' into main	2023-06-26 10:33:03 +08:00
wanglin2	66c9805efc	Doc: update	2023-06-26 10:32:36 +08:00
wanglin2	710128901a	更新群二维码	2023-06-26 09:56:10 +08:00
wanglin2	61be0f7ac4	Merge branch 'feature' into main	2023-06-24 17:08:18 +08:00
wanglin2	7289b3a0ad	Doc:update	2023-06-24 17:06:52 +08:00
wanglin2	25243e2053	Merge branch 'feature' into main	2023-06-21 15:56:20 +08:00
wanglin2	060a448cd5	打包0.6.3	2023-06-21 15:55:38 +08:00
wanglin2	bdb6078df6	'更新文档'	2023-06-21 15:33:51 +08:00
wanglin2	749a4d0e81	Feat：支持自定义节点内容	2023-06-21 14:57:22 +08:00
wanglin2	1749705694	Fix：修复概要节点会响应快捷键添加节点的问题	2023-06-21 10:50:26 +08:00
wanglin2	eec736be4d	README: update	2023-06-20 16:43:10 +08:00
wanglin2	ffdf53941a	Merge branch 'feature' into main	2023-06-20 16:39:55 +08:00
wanglin2	5676e952f3	打包0.6.2	2023-06-20 16:38:29 +08:00
wanglin2	e049ee6260	Doc: update	2023-06-20 16:35:36 +08:00
wanglin2	f1355c9d2a	Fix：修复切换主题时节点样式没有随之切换的问题	2023-06-20 16:29:54 +08:00
wanglin2	d696e0fdc1	合并	2023-06-19 22:37:13 +08:00
wanglin2	c8d2f284fd	打包0.6.1	2023-06-19 22:34:19 +08:00
wanglin2	aa8ecd4f60	合并	2023-06-19 22:32:37 +08:00
wanglin2	2323fe9bc0	Fix:修复将鼠标滚动改为移动画布行为后，使用触控板操作时移动灵敏度过高的问题	2023-06-19 22:31:12 +08:00
wanglin2	b9a0b16fc8	更新群二维码	2023-06-19 11:37:28 +08:00
wanglin2	b9c340afbf	Doc：更新文档	2023-06-19 09:28:36 +08:00
wanglin2	ee98d7128b	Merge branch 'feature' into main	2023-06-15 17:09:52 +08:00
wanglin2	d37febe306	打包0.6.0-fix.1	2023-06-15 17:09:27 +08:00
wanglin2	5de97f05b3	更新文档	2023-06-12 18:13:05 +08:00
wanglin2	662447bc69	Fix：修复没有设置过背景样式的情况下销毁思维导图报错的问题	2023-06-12 17:42:01 +08:00
wanglin2	51c1c46287	Merge branch 'feature' into main	2023-06-12 17:07:54 +08:00
wanglin2	3b03d9798b	打包0.6.0	2023-06-12 17:06:23 +08:00
wanglin2	17fbef810c	Fix：修复清空节点再输入中文时发生抖动的问题	2023-06-12 17:02:14 +08:00
wanglin2	e798975a9f	更新群二维码	2023-06-12 15:14:37 +08:00
wanglin2	2af65e322b	Merge branch 'feature' into main	2023-06-12 15:12:57 +08:00
wanglin2	23f09f9b4d	打包0.6.0	2023-06-12 14:42:44 +08:00
wanglin2	d69668a488	Feat：新增触摸事件支持插件	2023-06-12 14:14:55 +08:00
wanglin2	5353888965	更新文档	2023-06-12 09:10:04 +08:00
wanglin2	b33fd1908a	Fix:修复富文本编辑时删除完所有文本后再输入时样式丢失问题	2023-06-11 22:21:03 +08:00
wanglin2	97583ffcba	Feat:新增销毁思维导图的方法	2023-06-11 13:14:19 +08:00
wanglin2	360eca620e	Feature:将导出pdf功能提取为一个单独的插件	2023-06-11 10:41:53 +08:00
wanglin2	6d0682e821	Fix:修复左键多选节点后多选状态被取消的问题	2023-06-11 10:21:49 +08:00
wanglin2	834bdf37c3	Feat：支持控制节点是否允许编辑	2023-06-09 17:18:02 +08:00
wanglin2	e3d31f69bf	Feat：支持设置为左键多选节点，右键拖动画布	2023-06-09 16:49:15 +08:00
wanglin2	ac55415de1	Fix：1.去除不需要的依赖；2.修复按住ctrl键多选节点时不会触发节点的click事件的问题	2023-06-09 13:39:07 +08:00
wanglin2	4d91be5be6	Feat：可通过配置决定是否开启按住ctrl键多选节点的功能	2023-06-08 20:18:13 +08:00
wanglin2	ee467cb155	Feat：支持一键缩放思维导图至画布大小	2023-06-08 20:06:20 +08:00
wanglin2	6281f2360c	更新文档	2023-06-08 18:27:25 +08:00
wanglin2	cd8af6ae06	合并	2023-06-08 16:51:31 +08:00
wanglin2	45cc199d7f	重新调整核心库代码目录结构	2023-06-08 16:49:54 +08:00
街角小林	b04469649a	Merge pull request #145 from clh021/main add MIT LICENSE	2023-06-08 08:59:04 +08:00
chenlianghong	ee57dbdcc5	add MIT LICENSE	2023-06-07 17:40:47 +08:00
wanglin2	bca744f6fc	更新群二维码	2023-06-06 09:14:18 +08:00
wanglin2	442408dacf	更新群二维码	2023-05-30 08:54:11 +08:00
wanglin2	7297f0a082	更新群二维码	2023-05-23 14:24:29 +08:00
wanglin2	f0d90941fb	合并	2023-05-15 10:26:33 +08:00
wanglin2	830962c044	更新群二维码	2023-05-15 10:25:34 +08:00
wanglin2	eeec71dc65	更新群二维码	2023-05-05 21:48:58 +08:00
wanglin2	9bd87a22f3	更新群二维码	2023-05-05 21:39:43 +08:00
wanglin2	88c9f22a15	Merge branch 'feature' into main	2023-05-05 21:34:40 +08:00
wanglin2	7380fc60d5	打包	2023-05-05 21:34:26 +08:00
wanglin2	a178b99d73	更新群二维码	2023-05-05 16:10:31 +08:00
wanglin2	af9ee04aaf	Merge branch 'feature' into main	2023-05-02 10:05:39 +08:00
wanglin2	01dc98f1f8	打包0.5.11	2023-05-02 10:01:08 +08:00
wanglin2	cbd07246bd	更新文档	2023-05-02 10:00:13 +08:00
wanglin2	5bb23ca738	优化主题配置更新,改变不涉及节点大小的配置不触发节点重新计算	2023-04-28 22:07:53 +08:00
wanglin2	0886ba7698	完善关联线文本编辑	2023-04-28 21:51:58 +08:00
wanglin2	a65cffa58b	完善关联线文本编辑	2023-04-28 17:26:37 +08:00
wanglin2	02e2d432dd	Feature：关联线支持文本开发中	2023-04-28 17:10:39 +08:00
wanglin2	c8d23cab40	更新README	2023-04-28 09:04:20 +08:00
wanglin2	244ced83bc	更新群二维码	2023-04-28 08:59:54 +08:00
wanglin2	5c9c3d7934	打包0.5.10-fix.2	2023-04-26 16:02:47 +08:00
wanglin2	4ca6713675	更新文档	2023-04-26 15:54:28 +08:00
wanglin2	3d18404fd6	Fix：修复富文本模式下，切换主题、导入数据后没有触发数据改变的问题	2023-04-26 15:49:52 +08:00
wanglin2	98dda26bf8	新增三种主题	2023-04-26 15:48:58 +08:00
wanglin2	cd4c5ecd83	'Fix：修复导入出错的问题'	2023-04-26 11:20:34 +08:00
wanglin2	fdc0017ccb	'打包0.5.10'	2023-04-26 11:02:51 +08:00
wanglin2	20a5c12bbb	'更新文档'	2023-04-26 10:58:01 +08:00
wanglin2	4eacec125e	Feature：使用LRU缓存算法优化节点复用	2023-04-26 10:37:32 +08:00
wanglin2	34322ba6d1	更新文档	2023-04-25 17:29:56 +08:00
wanglin2	8210151a7b	打包0.5.9	2023-04-25 17:19:14 +08:00
wanglin2	1e00088608	更新文档	2023-04-25 17:14:19 +08:00
wanglin2	ee59b8002a	修改导出，使用FileReader代替URL.createObjectURL转换blob数据	2023-04-25 17:13:39 +08:00
wanglin2	b2ca5d0fba	打包0.5.8	2023-04-25 10:12:41 +08:00
wanglin2	470604e567	更新文档	2023-04-25 10:00:40 +08:00
wanglin2	f5f665ec0a	Demo：扩展节点图标列表	2023-04-25 09:05:46 +08:00
wanglin2	5e865a4e33	Feature：支持扩展节点图标	2023-04-25 09:05:10 +08:00
wanglin2	38ad33b604	修复隐藏模式下展开收起按钮的缺陷	2023-04-24 15:29:52 +08:00
wanglin2	e1b4146171	Feature：默认改为鼠标移上节点才显示展开收起按钮	2023-04-24 14:25:36 +08:00
wanglin2	65151f4b0a	优化性能：1.节点位置没有变化不触发位置设置；2.展开收起状态没有变化不触发按钮更新	2023-04-24 10:25:23 +08:00
wanglin2	942706fb63	Merge branch 'feature' into main	2023-04-24 09:09:33 +08:00
wanglin2	5f4492d4b7	打包0.5.7	2023-04-24 09:08:48 +08:00
wanglin2	ace1f62a40	更新文档	2023-04-24 09:02:01 +08:00
wanglin2	706c88c7d5	Featyre：富文本模式下，导入数据、初始化数据、切换主题场景节点样式支持跟随主题变化	2023-04-23 16:18:49 +08:00
wanglin2	4512fb16eb	优化富文本节点编辑	2023-04-23 15:20:33 +08:00
wanglin2	e446ff12e7	Demo：修复主题的标题显示错误问题	2023-04-23 14:39:16 +08:00
wanglin2	4318646abe	更新文档	2023-04-23 14:36:47 +08:00
wanglin2	2cbfe4f0e7	Feature：富文本模式导出改为使用html2canvas转换整个svg	2023-04-23 14:09:41 +08:00
wanglin2	b7910c4665	优化节点编辑	2023-04-22 14:24:05 +08:00
wanglin2	fc1ba24834	更新群二维码	2023-04-21 10:08:49 +08:00
wanglin2	cf16937160	Merge branch 'feature' into main	2023-04-21 10:08:11 +08:00
wanglin2	c3393abed6	打包0.5.6	2023-04-21 10:07:08 +08:00
wanglin2	2abff3e21b	Demo：关闭新特性提示	2023-04-21 09:56:14 +08:00
wanglin2	e39a94c5e2	优化节点富文本编辑	2023-04-21 09:55:29 +08:00
wanglin2	a6fff7f7a3	Demo：修复节点文字数量计数不正确的问题	2023-04-21 09:37:49 +08:00
wanglin2	e584081b41	更新文档	2023-04-21 09:32:36 +08:00
wanglin2	b91dde8084	更新文档	2023-04-20 16:31:28 +08:00
wanglin2	077478d654	Feature：添加最大历史记录数限制	2023-04-20 16:10:25 +08:00
wanglin2	2be97cc1a0	Fix：修复节点正在编辑中时拖动画布导致编辑框和节点分离的问题	2023-04-20 15:29:16 +08:00
wanglin2	0f7dc949a4	优化富文本编辑	2023-04-20 09:40:47 +08:00
wanglin2	c7e91cc9eb	Fix：修复短时间快速多次渲染时节点位置错乱的问题	2023-04-20 08:31:47 +08:00
wanglin2	6eacfab9c2	Demo：支持右键删除概要节点	2023-04-19 16:07:52 +08:00
wanglin2	e36a408275	Fix：修复快速多次渲染时节点位置错乱的问题	2023-04-19 15:45:51 +08:00
wanglin2	abda5b7d06	Merge branch 'feature' into main	2023-04-19 09:41:17 +08:00
wanglin2	f815f71dd7	更新文档	2023-04-19 09:40:58 +08:00
wanglin2	fa2c5b420c	Merge branch 'feature' into main	2023-04-19 08:36:50 +08:00
wanglin2	4c19bc76a7	打包0.5.5-fix.1，修复小地图报错	2023-04-19 08:35:58 +08:00
wanglin2	d08a317920	Merge branch 'feature' into main	2023-04-18 17:38:38 +08:00
wanglin2	bd805836cd	打包0.5.5-fix.1	2023-04-18 17:37:10 +08:00
wanglin2	e804a8f2f7	Demo：修复富文本编辑时工具栏层级比节点编辑框低的问题	2023-04-18 17:19:43 +08:00
wanglin2	8bf876d446	优化：多选节点时改为节点只要和选区重叠就算被选中	2023-04-18 17:11:40 +08:00
wanglin2	f2521f663e	优化：切换结构时重置画布缩放，以修复当存在缩放时切换结构后第一次拖动会突变的问题	2023-04-18 16:59:12 +08:00
wanglin2	e676bff453	优化：当编辑节点文本时节点在画布外时移入画布内	2023-04-18 16:40:25 +08:00
wanglin2	8f2cc72d3c	Merge branch 'feature' into main	2023-04-18 09:54:45 +08:00
wanglin2	ec22656bee	打包0.5.5	2023-04-18 09:52:15 +08:00
wanglin2	4acf8ba2ac	更新文档	2023-04-18 09:45:40 +08:00
wanglin2	d45a18904e	Feature：1.支持配置节点文本编辑框、节点备注浮层的z-index。2.支持点击画布区域外结束节点编辑状态	2023-04-18 09:45:29 +08:00
wanglin2	9fc2dbabd4	Feature：支持配置导出为png、svg、pdf时的内边距。	2023-04-18 09:04:16 +08:00
wanglin2	b83b81f52e	Merge branch 'feature' into main	2023-04-15 09:58:47 +08:00
wanglin2	d1e2db993e	打包0.5.4-fix.1	2023-04-15 09:54:50 +08:00
wanglin2	ab931901e2	优化鱼骨图布局	2023-04-15 09:51:12 +08:00
wanglin2	9879a25f9b	Merge branch 'feature' into main	2023-04-14 23:23:45 +08:00
wanglin2	16fb8eb092	打包0.5.4	2023-04-14 23:11:00 +08:00
wanglin2	de859927ed	更新文档	2023-04-14 23:03:14 +08:00
wanglin2	7bde59f664	优化目录组织图布局	2023-04-14 23:02:04 +08:00
wanglin2	be9668c7b8	修改鱼骨结构	2023-04-14 22:04:58 +08:00
wanglin2	95fe3189d5	Fix:修复隐藏节点时隐藏连线没有做异常处理的问题	2023-04-14 20:32:11 +08:00
wanglin2	9c60857c6a	优化鱼骨结构，支持margin	2023-04-14 17:43:02 +08:00
wanglin2	3b7cea9ee3	优化：提取结构类公共方法	2023-04-14 10:40:01 +08:00
wanglin2	3f081e5021	更新群二维码	2023-04-14 10:29:49 +08:00
wanglin2	d959420d6e	基本完成鱼骨结构	2023-04-14 10:27:25 +08:00
wanglin2	79d81b92e6	鱼骨结构开发中	2023-04-13 17:31:54 +08:00
wanglin2	940c60f23d	鱼骨结构开发中：完成上方鱼骨图	2023-04-13 09:35:06 +08:00
wanglin2	965ab8151e	优化时间轴结构逻辑	2023-04-13 08:32:39 +08:00
wanglin2	87d55b31ca	优化目录组织图结构逻辑	2023-04-13 08:31:00 +08:00
wanglin2	bb68575aca	优化组织结构图逻辑	2023-04-12 22:49:19 +08:00
wanglin2	e561e804be	Fix:修复组织结构图,目录组织图等节点拖拽时存在线段未隐藏的bug	2023-04-12 22:28:35 +08:00
wanglin2	5a8c3aa9d3	鱼骨结构开发中	2023-04-12 22:17:51 +08:00
wanglin2	f84639debd	测试提交	2023-04-12 17:42:18 +08:00
wanglin2	de77a2b613	Feature：新增时间轴结构	2023-04-12 14:15:46 +08:00
wanglin2	3825c3769f	精简时间轴结构的连线逻辑	2023-04-12 08:43:22 +08:00
wanglin2	876908e922	更新文档	2023-04-11 22:25:18 +08:00
wanglin2	25ecde8948	Fix:修复节点右键和画布右键的冲突问题	2023-04-11 22:23:26 +08:00
wanglin2	2de0334e3b	Feature：新增时间轴结构	2023-04-11 16:52:38 +08:00
wanglin2	1e32338d23	Merge branch 'feature' into main	2023-04-10 22:11:00 +08:00
wanglin2	21f487321a	更新文档	2023-04-10 22:08:26 +08:00
wanglin2	750af31996	Merge branch 'main' of https://github.com/wanglin2/mind-map into main	2023-04-10 10:27:15 +08:00
wanglin2	dc1aaee75d	Merge branch 'feature' into main	2023-04-10 10:26:49 +08:00
wanglin2	2122fa59d7	更新文档	2023-04-10 10:25:59 +08:00
wanglin2	5b7c65adad	添加新主题	2023-04-10 10:20:09 +08:00
wanglin2	fabf4535a8	Merge branch 'feature' into main	2023-04-09 22:11:11 +08:00
wanglin2	04566080e0	更新文档	2023-04-09 22:10:13 +08:00
wanglin2	0f9d9cdb21	Merge branch 'feature' into main	2023-04-09 08:53:58 +08:00
wanglin2	11538d1789	打包0.5.3-fix.2：修复导出图片时节点中的图片无法显示的问题；更新文档	2023-04-09 08:52:43 +08:00
wanglin2	49bae6cc6c	Merge branch 'feature' into main	2023-04-08 21:09:49 +08:00
wanglin2	9644ba0c8d	打包0.5.3-fix.1，修复设置初始根节点位置不生效的问题；文档新增教程章节	2023-04-08 21:09:24 +08:00
wanglin2	ac2df3cb2e	Merge branch 'feature' into main	2023-04-08 15:37:58 +08:00
wanglin2	aad1f911c8	支持打包成esm模块	2023-04-08 15:37:34 +08:00
wanglin2	27b50bf4ae	Merge branch 'feature' into main	2023-04-07 20:14:47 +08:00
wanglin2	2d22837e32	Demo：修复导入存在主题配置的数据没有触发本地存储的问题	2023-04-07 20:14:30 +08:00
wanglin2	866f2071ce	Merge branch 'feature' into main	2023-04-07 19:31:10 +08:00
wanglin2	9cb35eac29	更新文档	2023-04-07 19:30:52 +08:00
wanglin2	6ff63d9d56	Merge branch 'feature' into main	2023-04-07 15:56:14 +08:00
wanglin2	43539df25b	修改文档	2023-04-07 15:55:55 +08:00
wanglin2	cbafc24670	Merge branch 'feature' into main	2023-04-07 08:56:44 +08:00
wanglin2	cc83a18b18	打包0.5.3	2023-04-07 08:55:55 +08:00
wanglin2	5ae931da92	更新文档	2023-04-07 08:53:05 +08:00
wanglin2	853b999a7d	Feature：支持设置初始中心节点的位置	2023-04-07 08:42:27 +08:00
wanglin2	505622f3dc	Fix：修复富文本模式下选择了多个节点时修改样式时意外修改文本的问题	2023-04-06 20:14:54 +08:00
wanglin2	0a5b41e3e0	更新群二维码	2023-04-06 08:47:31 +08:00
wanglin2	8630c47b26	Merge branch 'feature' into main	2023-04-06 08:46:54 +08:00
wanglin2	6105fd6e3d	打包0.5.2，去除导出json数据中的uid字段	2023-04-06 08:45:43 +08:00
wanglin2	d7b1c4e4fe	优化:重新渲染时清空节点池	2023-04-05 21:22:39 +08:00
wanglin2	6ccafaa771	Merge branch 'feature' into main	2023-04-05 16:47:06 +08:00
wanglin2	6b15e469a2	打包0.5.1	2023-04-05 16:45:06 +08:00
wanglin2	5675e29df3	更新文档	2023-04-05 16:40:29 +08:00
wanglin2	52d094a7c7	Demo:窗口大小改变后修改画布大小	2023-04-05 09:55:39 +08:00
wanglin2	633ed68f92	Demo:导入数据后复位画布变换效果,解决导入后新节点在画布外的问题	2023-04-05 08:49:36 +08:00
wanglin2	388594e29a	Fix:修复快速操作时节点位置不正确的问题	2023-04-05 08:45:23 +08:00
wanglin2	af148fef27	Demo:修复在大纲内添加新节点时节点错乱的问题	2023-04-04 22:54:24 +08:00
wanglin2	983e55bd1d	优化:只有当鼠标在画布内才响应快捷键	2023-04-04 22:53:38 +08:00