打包0.4.6

兼容0.4.5版本的关联线
修改文档
2026-02-19 23:08:32 +08:00 · 2023-03-22 15:14:50 +08:00 · 2023-03-22 14:40:07 +08:00 · 2023-03-22 13:49:47 +08:00 · 2023-03-22 13:49:34 +08:00 · 2023-03-22 13:42:31 +08:00
161 changed files with 8866 additions and 6780 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules
-.DS_Store
+.DS_Store
+dist_electron
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ Demo：[https://wanglin2.github.io/mind-map/](https://wanglin2.github.io/mind-ma
 - [x] 支持多种节点形状
 - [x] 支持导出为`json`、`png`、`svg`、`pdf`，支持从`json`、`xmind`导入
 - [x] 支持小地图
+- [x] 支持关联线

 # 安装

@@ -55,4 +56,8 @@ const mindMap = new MindMap({

 # License

-MIT
+MIT
+
+# 微信交流群
+
+![](./qrcode.jpg)
--- a/docs/assets/1.gif
+++ b/docs/assets/1.gif
--- a/docs/assets/2.gif
+++ b/docs/assets/2.gif
--- a/docs/assets/2021-07-21-19-54-48.gif
+++ b/docs/assets/2021-07-21-19-54-48.gif
--- a/docs/assets/3.gif
+++ b/docs/assets/3.gif
--- a/docs/assets/image-20210717174716810.png
+++ b/docs/assets/image-20210717174716810.png
--- a/docs/assets/image-20210717202607786.png
+++ b/docs/assets/image-20210717202607786.png
--- a/docs/assets/image-20210717210355763.png
+++ b/docs/assets/image-20210717210355763.png
--- a/docs/assets/image-20210717224527681.png
+++ b/docs/assets/image-20210717224527681.png
--- a/docs/assets/image-20210717230604086.png
+++ b/docs/assets/image-20210717230604086.png
--- a/docs/assets/image-20210717230805200.png
+++ b/docs/assets/image-20210717230805200.png
--- a/docs/assets/image-20210717230808662.png
+++ b/docs/assets/image-20210717230808662.png
--- a/docs/assets/image-20210718083006111.png
+++ b/docs/assets/image-20210718083006111.png
--- a/docs/assets/image-20210718083616076.png
+++ b/docs/assets/image-20210718083616076.png
--- a/docs/assets/image-20210718092817830.png
+++ b/docs/assets/image-20210718092817830.png
--- a/docs/assets/image-20210718102434530.png
+++ b/docs/assets/image-20210718102434530.png
--- a/docs/assets/image-20210718110652705.png
+++ b/docs/assets/image-20210718110652705.png
--- a/docs/assets/image-20210718111334085.png
+++ b/docs/assets/image-20210718111334085.png
--- a/docs/assets/image-20210718134525691.png
+++ b/docs/assets/image-20210718134525691.png
--- a/docs/assets/image-20210718184835414.png
+++ b/docs/assets/image-20210718184835414.png
--- a/docs/assets/image-20210718191124627.png
+++ b/docs/assets/image-20210718191124627.png
--- a/docs/assets/image-20210718221814590.png
+++ b/docs/assets/image-20210718221814590.png
--- a/docs/assets/image-20210718222150055.png
+++ b/docs/assets/image-20210718222150055.png
--- a/docs/assets/image-20210718222612078.png
+++ b/docs/assets/image-20210718222612078.png
--- a/docs/assets/image-20210720191943989.png
+++ b/docs/assets/image-20210720191943989.png
--- a/docs/assets/image-20210720192008277.png
+++ b/docs/assets/image-20210720192008277.png
--- a/docs/assets/image-20210720200816281.png
+++ b/docs/assets/image-20210720200816281.png
--- a/docs/assets/image-20210721183307656.png
+++ b/docs/assets/image-20210721183307656.png
--- a/docs/assets/image-20210721183340310.png
+++ b/docs/assets/image-20210721183340310.png
--- a/docs/assets/image-20210721183823754.png
+++ b/docs/assets/image-20210721183823754.png
--- a/docs/assets/image-20210721184140488.png
+++ b/docs/assets/image-20210721184140488.png
--- a/docs/assets/image-20210721185453825.png
+++ b/docs/assets/image-20210721185453825.png
--- a/docs/assets/image-20210721190700979.png
+++ b/docs/assets/image-20210721190700979.png
--- a/docs/assets/swdt.jpg
+++ b/docs/assets/swdt.jpg
--- a/docs/web思维导图实现的技术点分析.md
+++ b/docs/web思维导图实现的技术点分析.md
--- a/index.html
+++ b/index.html
@@ -1 +1 @@
-<!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="./dist/logo.png"><title>一个简单的web思维导图实现</title><link href="dist/js/chunk-2d0a3179.8bac0e6a.js" rel="prefetch"><link href="dist/js/chunk-2d0aa579.3848b480.js" rel="prefetch"><link href="dist/js/chunk-2d0aa978.0c0ab348.js" rel="prefetch"><link href="dist/js/chunk-2d0ab10b.89baf4c9.js" rel="prefetch"><link href="dist/js/chunk-2d0abe0f.ba566b9e.js" rel="prefetch"><link href="dist/js/chunk-2d0b361e.d57feb19.js" rel="prefetch"><link href="dist/js/chunk-2d0b91e5.9058553b.js" rel="prefetch"><link href="dist/js/chunk-2d0b92c3.ff912e01.js" rel="prefetch"><link href="dist/js/chunk-2d0bd54e.988f0b69.js" rel="prefetch"><link href="dist/js/chunk-2d0be174.b87008fb.js" rel="prefetch"><link href="dist/js/chunk-2d0c0a44.d53f93f5.js" rel="prefetch"><link href="dist/js/chunk-2d0c18d8.ef38347c.js" rel="prefetch"><link href="dist/js/chunk-2d0c191e.fe3d1357.js" rel="prefetch"><link href="dist/js/chunk-2d0c1a01.dc5d667f.js" rel="prefetch"><link href="dist/js/chunk-2d0d9fbc.7c0e8c3b.js" rel="prefetch"><link href="dist/js/chunk-2d0da701.7110cb06.js" rel="prefetch"><link href="dist/js/chunk-2d0dad5f.789c08d8.js" rel="prefetch"><link href="dist/js/chunk-2d0db0f2.773ee0f5.js" rel="prefetch"><link href="dist/js/chunk-2d0dddce.29899f8c.js" rel="prefetch"><link href="dist/js/chunk-2d0de01b.4f180262.js" rel="prefetch"><link href="dist/js/chunk-2d0e2326.7b20d38b.js" rel="prefetch"><link href="dist/js/chunk-2d0e268c.314fd603.js" rel="prefetch"><link href="dist/js/chunk-2d0e5089.cd1baa18.js" rel="prefetch"><link href="dist/js/chunk-2d0e9742.62e1ccbf.js" rel="prefetch"><link href="dist/js/chunk-2d0f026c.af35b5ce.js" rel="prefetch"><link href="dist/js/chunk-2d2082b9.ffe557f3.js" rel="prefetch"><link href="dist/js/chunk-2d208ffa.6b617b98.js" rel="prefetch"><link href="dist/js/chunk-2d20ec02.917aff76.js" rel="prefetch"><link href="dist/js/chunk-2d20f68f.66cba965.js" rel="prefetch"><link href="dist/js/chunk-2d210a7a.25884d5e.js" rel="prefetch"><link href="dist/js/chunk-2d216004.3416e02c.js" rel="prefetch"><link href="dist/js/chunk-2d216b67.2d06497a.js" rel="prefetch"><link href="dist/js/chunk-2d217907.96994ac6.js" rel="prefetch"><link href="dist/js/chunk-2d226d0a.d30a47fe.js" rel="prefetch"><link href="dist/js/chunk-2d2299c3.5aa1632c.js" rel="prefetch"><link href="dist/js/chunk-2d2308b0.d813ba33.js" rel="prefetch"><link href="dist/js/chunk-3a2f3e67.13278516.js" rel="prefetch"><link href="dist/css/app.a6908b68.css" rel="preload" as="style"><link href="dist/css/chunk-vendors.1790fe42.css" rel="preload" as="style"><link href="dist/js/app.2f5edb91.js" rel="preload" as="script"><link href="dist/js/chunk-vendors.7f3b8358.js" rel="preload" as="script"><link href="dist/css/chunk-vendors.1790fe42.css" rel="stylesheet"><link href="dist/css/app.a6908b68.css" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script src="dist/js/chunk-vendors.7f3b8358.js"></script><script src="dist/js/app.2f5edb91.js"></script></body></html>
+<!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="./dist/logo.png"><title>一个简单的web思维导图实现</title><link href="dist/js/chunk-2d0a3179.05d77cdf.js" rel="prefetch"><link href="dist/js/chunk-2d0aa579.0b1c8d8d.js" rel="prefetch"><link href="dist/js/chunk-2d0aa978.040c6f5c.js" rel="prefetch"><link href="dist/js/chunk-2d0ab10b.4d871bf6.js" rel="prefetch"><link href="dist/js/chunk-2d0abe0f.ae972b36.js" rel="prefetch"><link href="dist/js/chunk-2d0b1c6f.7fcfc285.js" rel="prefetch"><link href="dist/js/chunk-2d0b361e.b094b87c.js" rel="prefetch"><link href="dist/js/chunk-2d0b91e5.34207f33.js" rel="prefetch"><link href="dist/js/chunk-2d0b92c3.ade5a7e0.js" rel="prefetch"><link href="dist/js/chunk-2d0ba309.c9a9ab22.js" rel="prefetch"><link href="dist/js/chunk-2d0bd54e.db6065c6.js" rel="prefetch"><link href="dist/js/chunk-2d0be174.1ffa155d.js" rel="prefetch"><link href="dist/js/chunk-2d0c0a44.e44018ef.js" rel="prefetch"><link href="dist/js/chunk-2d0c14fc.17d4f60a.js" rel="prefetch"><link href="dist/js/chunk-2d0c18d8.0921c70f.js" rel="prefetch"><link href="dist/js/chunk-2d0c191e.52b68dc1.js" rel="prefetch"><link href="dist/js/chunk-2d0c1a01.7cb4182f.js" rel="prefetch"><link href="dist/js/chunk-2d0c20be.57f5b62e.js" rel="prefetch"><link href="dist/js/chunk-2d0d5cb9.c67e6ecf.js" rel="prefetch"><link href="dist/js/chunk-2d0d9fbc.cd8db1ee.js" rel="prefetch"><link href="dist/js/chunk-2d0da701.6c0d2c1e.js" rel="prefetch"><link href="dist/js/chunk-2d0dad5f.2fd89008.js" rel="prefetch"><link href="dist/js/chunk-2d0db0f2.32d1bf7e.js" rel="prefetch"><link href="dist/js/chunk-2d0dddce.836132f8.js" rel="prefetch"><link href="dist/js/chunk-2d0ddf37.7b4a470a.js" rel="prefetch"><link href="dist/js/chunk-2d0de01b.00dad103.js" rel="prefetch"><link href="dist/js/chunk-2d0e2326.3c894463.js" rel="prefetch"><link href="dist/js/chunk-2d0e268c.95aec9d1.js" rel="prefetch"><link href="dist/js/chunk-2d0e5089.a4640577.js" rel="prefetch"><link href="dist/js/chunk-2d0e9742.bd5197f5.js" rel="prefetch"><link href="dist/js/chunk-2d0f026c.c3ec62ff.js" rel="prefetch"><link href="dist/js/chunk-2d2082b9.c7c6517f.js" rel="prefetch"><link href="dist/js/chunk-2d208ffa.af7fe897.js" rel="prefetch"><link href="dist/js/chunk-2d20ec02.917aff76.js" rel="prefetch"><link href="dist/js/chunk-2d20f68f.7639ecc2.js" rel="prefetch"><link href="dist/js/chunk-2d210a7a.e60ccf9b.js" rel="prefetch"><link href="dist/js/chunk-2d216004.fde7548f.js" rel="prefetch"><link href="dist/js/chunk-2d217907.3772894a.js" rel="prefetch"><link href="dist/js/chunk-2d226d0a.5947204c.js" rel="prefetch"><link href="dist/js/chunk-2d2299c3.0bdd83ab.js" rel="prefetch"><link href="dist/js/chunk-2d22bd06.1447b6d2.js" rel="prefetch"><link href="dist/js/chunk-2d2308b0.4fa18681.js" rel="prefetch"><link href="dist/js/chunk-2d238428.61fffbf5.js" rel="prefetch"><link href="dist/js/chunk-3a2f3e67.13278516.js" rel="prefetch"><link href="dist/css/app.2f2d473c.css" rel="preload" as="style"><link href="dist/css/chunk-vendors.c097b26d.css" rel="preload" as="style"><link href="dist/js/app.e8192153.js" rel="preload" as="script"><link href="dist/js/chunk-vendors.f9723ab8.js" rel="preload" as="script"><link href="dist/css/chunk-vendors.c097b26d.css" rel="stylesheet"><link href="dist/css/app.2f2d473c.css" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script src="dist/js/chunk-vendors.f9723ab8.js"></script><script src="dist/js/app.e8192153.js"></script></body></html>
--- a/qrcode.jpg
+++ b/qrcode.jpg
--- a/simple-mind-map/example/exampleData.js
+++ b/simple-mind-map/example/exampleData.js
@@ -900,6 +900,17 @@ const data5 = {
    }
 }

+// 富文本数据v0.4.0+，需要使用RichText插件才支持富文本编辑
+const richTextData = {
+    "root": {
+        "data": {
+            "text": "<a href='http://lxqnsys.com/' target='_blank'>理想去年实验室</a>",
+            "richText": true
+        },
+        "children": []
+    }
+}
+
 const rootData = {
    "root": {
        "data": {
--- a/simple-mind-map/example/exportFullData.json
+++ b/simple-mind-map/example/exportFullData.json
@@ -31,6 +31,12 @@
                    "isActive": false
                },
                "children": []
+            }, {
+                "data": {
+                    "text": "<a href='http://lxqnsys.com/' target='_blank'>理想去年实验室</a>",
+                    "richText": true
+                },
+                "children": []
            }]
        }]
    },
--- a/simple-mind-map/full.js
+++ b/simple-mind-map/full.js
@@ -0,0 +1,20 @@
+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 xmind from './src/parse/xmind.js'
+
+MindMap.xmind = xmind
+
+MindMap
+  .usePlugin(MiniMap)
+  .usePlugin(Watermark)
+  .usePlugin(Drag)
+  .usePlugin(KeyboardNavigation)
+  .usePlugin(Export)
+  .usePlugin(Select)
+
+export default MindMap
--- a/simple-mind-map/index.js
+++ b/simple-mind-map/index.js
@@ -7,16 +7,9 @@ import Style from './src/Style'
 import KeyCommand from './src/KeyCommand'
 import Command from './src/Command'
 import BatchExecution from './src/BatchExecution'
-import Export from './src/Export'
-import Select from './src/Select'
-import Drag from './src/Drag'
-import MiniMap from './src/MiniMap'
-import Watermark from './src/Watermark'
 import { layoutValueList } from './src/utils/constant'
 import { SVG } from '@svgdotjs/svg.js'
-import xmind from './src/parse/xmind'
 import { simpleDeepClone } from './src/utils'
-import KeyboardNavigation from './src/KeyboardNavigation'
 import defaultTheme from './src/themes/default'

 // 默认选项配置
@@ -66,7 +59,16 @@ const defaultOpt = {
      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: '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
 }

 //  思维导图
@@ -120,39 +122,14 @@ class MindMap {
      draw: this.draw
    })

-    // 小地图类
-    this.miniMap = new MiniMap({
-      mindMap: this
-    })
-
-    // 导出类
-    this.doExport = new Export({
-      mindMap: this
-    })
-
-    // 选择类
-    this.select = new Select({
-      mindMap: this
-    })
-
-    // 拖动类
-    this.drag = new Drag({
-      mindMap: this
-    })
-
-    // 键盘导航类
-    this.keyboardNavigation = new KeyboardNavigation({
-      mindMap: this
-    })
-
-    // 水印类
-    this.watermark = new Watermark({
-      mindMap: this
-    })
-
    // 批量执行类
    this.batchExecution = new BatchExecution()

+    // 注册插件
+    MindMap.pluginList.forEach((plugin) => {
+      this.initPlugin(plugin)
+    })
+
    // 初始渲染
    this.reRender()
    setTimeout(() => {
@@ -172,21 +149,21 @@ class MindMap {
  }

  //  渲染，部分渲染
-  render() {
+  render(callback) {
    this.batchExecution.push('render', () => {
      this.initTheme()
      this.renderer.reRender = false
-      this.renderer.render()
+      this.renderer.render(callback)
    })
  }

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

@@ -355,9 +332,98 @@ class MindMap {
    }
    this.emit('mode_change', mode)
  }
+
+  // 获取svg数据
+  getSvgData() {
+    const svg = this.svg
+    const draw = this.draw
+    // 保存原始信息
+    const origWidth = svg.width()
+    const origHeight = svg.height()
+    const origTransform = draw.transform()
+    const elRect = this.el.getBoundingClientRect()
+    // 去除放大缩小的变换效果
+    draw.scale(1 / origTransform.scaleX, 1 / origTransform.scaleY)
+    // 获取变换后的位置尺寸信息，其实是getBoundingClientRect方法的包装方法
+    const rect = draw.rbox()
+    // 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
+    draw.translate(-rect.x + elRect.left, -rect.y + elRect.top)
+    // 克隆一份数据
+    let clone = svg.clone()
+    // 如果实际图形宽高超出了屏幕宽高，且存在水印的话需要重新绘制水印，否则会出现超出部分没有水印的问题
+    if ((rect.width > origWidth || rect.height >  origHeight) && this.watermark && this.watermark.hasWatermark()) {
+      this.width = rect.width
+      this.height = rect.height
+      this.watermark.draw()
+      clone = svg.clone()
+      this.width = origWidth
+      this.height = origHeight
+      this.watermark.draw()
+    }
+    // 恢复原先的大小和变换信息
+    svg.size(origWidth, origHeight)
+    draw.transform(origTransform)
+
+    return {
+      svg: clone, // 思维导图图形的整体svg元素，包括：svg（画布容器）、g（实际的思维导图组）
+      svgHTML: clone.svg(), // svg字符串
+      rect: {
+        ...rect, // 思维导图图形未缩放时的位置尺寸等信息
+        ratio: rect.width / rect.height // 思维导图图形的宽高比
+      },
+      origWidth, // 画布宽度
+      origHeight, // 画布高度
+      scaleX: origTransform.scaleX, // 思维导图图形的水平缩放值
+      scaleY: origTransform.scaleY // 思维导图图形的垂直缩放值
+    }
+  }
+
+  // 添加插件
+  addPlugin(plugin, opt) {
+    let index = MindMap.hasPlugin(plugin)
+    if (index === -1) {
+      MindMap.usePlugin(plugin, opt)
+      this.initPlugin(plugin)
+    }
+  }
+
+  // 移除插件
+  removePlugin(plugin) {
+    let index = MindMap.hasPlugin(plugin)
+    if (index !== -1) {
+      MindMap.pluginList.splice(index, 1)
+      if (this[plugin.instanceName]) {
+        if (this[plugin.instanceName].beforePluginRemove) {
+          this[plugin.instanceName].beforePluginRemove()
+        }
+        delete this[plugin.instanceName]
+      }
+    }
+  }
+
+  // 实例化插件
+  initPlugin(plugin) {
+    this[plugin.instanceName] = new plugin({
+      mindMap: this,
+      pluginOpt: plugin.pluginOpt
+    })
+  }
 }

-MindMap.xmind = xmind
+// 插件列表
+MindMap.pluginList = []
+MindMap.usePlugin = (plugin, opt = {}) => {
+  plugin.pluginOpt = opt
+  MindMap.pluginList.push(plugin)
+  return MindMap
+}
+MindMap.hasPlugin = (plugin) => {
+  return MindMap.pluginList.findIndex((item) => {
+    return item === plugin
+  })
+}

 // 定义新主题
 MindMap.defineTheme = (name, config = {}) => {
--- a/simple-mind-map/package-lock.json
+++ b/simple-mind-map/package-lock.json
@@ -1,19 +1,22 @@
 {
  "name": "simple-mind-map",
-  "version": "0.2.21",
+  "version": "0.4.5",
  "lockfileVersion": 2,
  "requires": true,
  "packages": {
    "": {
-      "version": "0.2.21",
+      "version": "0.4.5",
      "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",
        "jspdf": "^2.5.1",
        "jszip": "^3.10.1",
+        "quill": "^1.3.6",
+        "uuid": "^9.0.0",
        "xml-js": "^1.6.11"
      },
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+      }
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+      "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.5.tgz",
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      "dev": true
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+    "is-regex": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.4.tgz",
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      "dev": true
    },
+    "object-is": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/object-is/-/object-is-1.1.5.tgz",
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+      "requires": {
+        "call-bind": "^1.0.2",
+        "define-properties": "^1.1.3"
+      }
+    },
+    "object-keys": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
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+    },
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      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -2214,6 +2605,11 @@
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    },
+    "parchment": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/parchment/-/parchment-1.1.4.tgz",
+      "integrity": "sha512-J5FBQt/pM2inLzg4hEWmzQx/8h8D0CiDxaG3vyp9rKrQRSDgBlhjdP5jQGgosEajXPSQouXGHOmVdgo7QmJuOg=="
+    },
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      "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
@@ -2275,6 +2671,36 @@
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      "dev": true
    },
+    "quill": {
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/quill/-/quill-1.3.6.tgz",
+      "integrity": "sha512-K0mvhimWZN6s+9OQ249CH2IEPZ9JmkFuCQeHAOQax3EZ2nDJ3wfGh59mnlQaZV2i7u8eFarx6wAtvQKgShojug==",
+      "requires": {
+        "clone": "^2.1.1",
+        "deep-equal": "^1.0.1",
+        "eventemitter3": "^2.0.3",
+        "extend": "^3.0.1",
+        "parchment": "^1.1.4",
+        "quill-delta": "^3.6.2"
+      },
+      "dependencies": {
+        "eventemitter3": {
+          "version": "2.0.3",
+          "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-2.0.3.tgz",
+          "integrity": "sha512-jLN68Dx5kyFHaePoXWPsCGW5qdyZQtLYHkxkg02/Mz6g0kYpDx4FyP6XfArhQdlOC4b8Mv+EMxPo/8La7Tzghg=="
+        }
+      }
+    },
+    "quill-delta": {
+      "version": "3.6.3",
+      "resolved": "https://registry.npmjs.org/quill-delta/-/quill-delta-3.6.3.tgz",
+      "integrity": "sha512-wdIGBlcX13tCHOXGMVnnTVFtGRLoP0imqxM696fIPwIf5ODIYUHIvHbZcyvGlZFiFhK5XzDC2lpjbxRhnM05Tg==",
+      "requires": {
+        "deep-equal": "^1.0.1",
+        "extend": "^3.0.2",
+        "fast-diff": "1.1.2"
+      }
+    },
    "raf": {
      "version": "3.4.1",
      "resolved": "https://registry.npmjs.org/raf/-/raf-3.4.1.tgz",
@@ -2302,6 +2728,16 @@
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    },
+    "regexp.prototype.flags": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/regexp.prototype.flags/-/regexp.prototype.flags-1.4.3.tgz",
+      "integrity": "sha512-fjggEOO3slI6Wvgjwflkc4NFRCTZAu5CnNfBd5qOMYhWdn67nJBBu34/TkD++eeFmd8C9r9jfXJ27+nSiRkSUA==",
+      "requires": {
+        "call-bind": "^1.0.2",
+        "define-properties": "^1.1.3",
+        "functions-have-names": "^1.2.2"
+      }
+    },
    "regexpp": {
      "version": "3.2.0",
      "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-3.2.0.tgz",
@@ -2419,7 +2855,6 @@
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-      "optional": true,
      "requires": {
        "utrie": "^1.0.2"
      }
@@ -2463,11 +2898,15 @@
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-      "optional": true,
      "requires": {
        "base64-arraybuffer": "^1.0.2"
      }
    },
+    "uuid": {
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.0.tgz",
+      "integrity": "sha512-MXcSTerfPa4uqyzStbRoTgt5XIe3x5+42+q1sDuy3R5MDk66URdLMOZe5aPX/SQd+kuYAh0FdP/pO28IkQyTeg=="
+    },
    "which": {
      "version": "2.0.2",
      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
--- a/simple-mind-map/package.json
+++ b/simple-mind-map/package.json
@@ -1,6 +1,6 @@
 {
  "name": "simple-mind-map",
-  "version": "0.2.24",
+  "version": "0.4.6",
  "description": "一个简单的web在线思维导图",
  "authors": [
    {
@@ -22,14 +22,17 @@
    "format": "prettier --write ."
  },
  "module": "index.js",
-  "main": "./dist/simpleMindMap.umd.min.js",
+  "__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",
    "jspdf": "^2.5.1",
    "jszip": "^3.10.1",
+    "quill": "^1.3.6",
+    "uuid": "^9.0.0",
    "xml-js": "^1.6.11"
  },
  "keywords": [
--- a/simple-mind-map/src/AssociativeLine.js
+++ b/simple-mind-map/src/AssociativeLine.js
@@ -0,0 +1,627 @@
+import { walk, bfsWalk, throttle } from './utils/'
+import { v4 as uuid } from 'uuid'
+import {
+  getAssociativeLineTargetIndex,
+  computeCubicBezierPathPoints,
+  joinCubicBezierPath,
+  cubicBezierPath,
+  getNodePoint,
+  computeNodePoints,
+  getNodeLinePath,
+  getDefaultControlPointOffsets
+} from './utils/associativeLineUtils'
+
+// 关联线类
+class AssociativeLine {
+  constructor(opt = {}) {
+    this.mindMap = opt.mindMap
+    this.draw = this.mindMap.draw
+    // 当前所有连接线
+    this.lineList = []
+    // 当前激活的连接线
+    this.activeLine = null
+    // 当前正在创建连接线
+    this.isCreatingLine = false // 是否正在创建连接线中
+    this.creatingStartNode = null // 起始节点
+    this.creatingLine = null // 创建过程中的连接线
+    this.overlapNode = null // 创建过程中的目标节点
+    // 是否有节点正在被拖拽
+    this.isNodeDragging = false
+    // 箭头图标
+    this.markerPath = null
+    this.marker = this.createMarker()
+    // 控制点
+    this.controlLine1 = null
+    this.controlLine2 = null
+    this.controlPoint1 = null
+    this.controlPoint2 = null
+    this.controlPointDiameter = 10
+    this.isControlPointMousedown = false
+    this.mousedownControlPointKey = ''
+    this.controlPointMousemoveState = {
+      pos: null,
+      startPoint: null,
+      endPoint: null,
+      targetIndex: ''
+    }
+    // 节流一下，不然很卡
+    this.checkOverlapNode = throttle(this.checkOverlapNode, 100, this)
+    this.bindEvent()
+  }
+
+  // 监听事件
+  bindEvent() {
+    // 节点树渲染完毕后渲染连接线
+    this.renderAllLines = this.renderAllLines.bind(this)
+    this.mindMap.on('node_tree_render_end', this.renderAllLines)
+    // 状态改变后重新渲染连接线
+    this.mindMap.on('data_change', this.renderAllLines)
+    // 监听画布和节点点击事件，用于清除当前激活的连接线
+    this.mindMap.on('draw_click', () => {
+      if (this.isControlPointMousedown) {
+        return
+      }
+      this.clearActiveLine()
+    })
+    this.mindMap.on('node_click', node => {
+      if (this.isCreatingLine) {
+        this.completeCreateLine(node)
+      } else {
+        this.clearActiveLine()
+      }
+    })
+    // 注册删除快捷键
+    this.mindMap.keyCommand.addShortcut(
+      'Del|Backspace',
+      this.removeLine.bind(this)
+    )
+    // 注册添加连接线的命令
+    this.mindMap.command.add('ADD_ASSOCIATIVE_LINE', this.addLine.bind(this))
+    // 监听鼠标移动事件
+    this.mindMap.on('mousemove', this.onMousemove.bind(this))
+    // 节点拖拽事件
+    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)
+    })
+  }
+
+  // 创建箭头
+  createMarker() {
+    return this.draw.marker(20, 20, add => {
+      add.ref(2, 5)
+      add.size(10, 10)
+      add.attr('orient', 'auto-start-reverse')
+      this.markerPath = add.path('M0,0 L2,5 L0,10 L10,5 Z')
+    })
+  }
+
+  // 渲染所有连线
+  renderAllLines() {
+    // 先移除
+    this.removeAllLines()
+    this.removeControls()
+    this.clearActiveLine()
+    let tree = this.mindMap.renderer.root
+    if (!tree) return
+    let idToNode = new Map()
+    let nodeToIds = new Map()
+    walk(
+      tree,
+      null,
+      cur => {
+        if (!cur) return
+        let data = cur.nodeData.data
+        if (
+          data.associativeLineTargets &&
+          data.associativeLineTargets.length > 0
+        ) {
+          nodeToIds.set(cur, data.associativeLineTargets)
+        }
+        if (data.id) {
+          idToNode.set(data.id, cur)
+        }
+      },
+      () => {},
+      true,
+      0
+    )
+    nodeToIds.forEach((ids, node) => {
+      ids.forEach(id => {
+        let toNode = idToNode.get(id)
+        if (!node || !toNode) return
+        let [startPoint, endPoint] = computeNodePoints(node, toNode)
+        this.drawLine(startPoint, endPoint, node, toNode)
+      })
+    })
+  }
+
+  // 绘制连接线
+  drawLine(startPoint, endPoint, node, toNode) {
+    let {
+      associativeLineWidth,
+      associativeLineColor,
+      associativeLineActiveWidth,
+      associativeLineActiveColor
+    } = this.mindMap.themeConfig
+    // 箭头
+    this.markerPath
+      .stroke({ color: associativeLineColor })
+      .fill({ color: associativeLineColor })
+    // 路径
+    let { path: pathStr, controlPoints } = getNodeLinePath(
+      startPoint,
+      endPoint,
+      node,
+      toNode
+    )
+    // 虚线
+    let path = this.draw.path()
+    path
+      .stroke({
+        width: associativeLineWidth,
+        color: associativeLineColor,
+        dasharray: [6, 4]
+      })
+      .fill({ color: 'none' })
+    path.plot(pathStr)
+    path.marker('end', this.marker)
+    // 不可见的点击线
+    let clickPath = this.draw.path()
+    clickPath
+      .stroke({ width: associativeLineActiveWidth, color: 'transparent' })
+      .fill({ color: 'none' })
+    clickPath.plot(pathStr)
+    // 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.lineList.push([path, clickPath, node, toNode])
+  }
+
+  // 移除所有连接线
+  removeAllLines() {
+    this.lineList.forEach(line => {
+      line[0].remove()
+      line[1].remove()
+    })
+    this.lineList = []
+  }
+
+  // 从当前激活节点开始创建连接线
+  createLineFromActiveNode() {
+    if (this.mindMap.renderer.activeNodeList.length <= 0) return
+    let node = this.mindMap.renderer.activeNodeList[0]
+    this.createLine(node)
+  }
+
+  // 创建连接线
+  createLine(fromNode) {
+    let { associativeLineWidth, associativeLineColor } =
+      this.mindMap.themeConfig
+    if (this.isCreatingLine || !fromNode) return
+    this.isCreatingLine = true
+    this.creatingStartNode = fromNode
+    this.creatingLine = this.draw.path()
+    this.creatingLine
+      .stroke({
+        width: associativeLineWidth,
+        color: associativeLineColor,
+        dasharray: [6, 4]
+      })
+      .fill({ color: 'none' })
+    this.creatingLine.marker('end', this.marker)
+  }
+
+  // 鼠标移动事件
+  onMousemove(e) {
+    if (!this.isCreatingLine) return
+    this.updateCreatingLine(e)
+  }
+
+  // 更新创建过程中的连接线
+  updateCreatingLine(e) {
+    let { x, y } = this.getTransformedEventPos(e)
+    let startPoint = getNodePoint(this.creatingStartNode)
+    let pathStr = cubicBezierPath(startPoint.x, startPoint.y, x, y)
+    this.creatingLine.plot(pathStr)
+    this.checkOverlapNode(x, y)
+  }
+
+  // 获取转换后的鼠标事件对象的坐标
+  getTransformedEventPos(e) {
+    let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
+    let { scaleX, scaleY, translateX, translateY } =
+      this.mindMap.draw.transform()
+    return {
+      x: (x - translateX) / scaleX,
+      y: (y - translateY) / scaleY
+    }
+  }
+
+  // 检测当前移动到的目标节点
+  checkOverlapNode(x, y) {
+    this.overlapNode = null
+    bfsWalk(this.mindMap.renderer.root, node => {
+      if (node.nodeData.data.isActive) {
+        this.mindMap.renderer.setNodeActive(node, false)
+      }
+      if (node === this.creatingStartNode || this.overlapNode) {
+        return
+      }
+      let { left, top, width, height } = node
+      let right = left + width
+      let bottom = top + height
+      if (x >= left && x <= right && y >= top && y <= bottom) {
+        this.overlapNode = node
+      }
+    })
+    if (this.overlapNode && !this.overlapNode.nodeData.data.isActive) {
+      this.mindMap.renderer.setNodeActive(this.overlapNode, true)
+    }
+  }
+
+  // 完成创建连接线
+  completeCreateLine(node) {
+    if (this.creatingStartNode === node) return
+    this.addLine(this.creatingStartNode, node)
+    if (this.overlapNode && this.overlapNode.nodeData.data.isActive) {
+      this.mindMap.renderer.setNodeActive(this.overlapNode, false)
+    }
+    this.isCreatingLine = false
+    this.creatingStartNode = null
+    this.creatingLine.remove()
+    this.creatingLine = null
+    this.overlapNode = null
+  }
+
+  // 添加连接线
+  addLine(fromNode, toNode) {
+    if (!fromNode || !toNode) return
+    // 目标节点如果没有id，则生成一个id
+    let id = toNode.nodeData.data.id
+    if (!id) {
+      id = uuid()
+      this.mindMap.execCommand('SET_NODE_DATA', toNode, {
+        id
+      })
+    }
+    // 将目标节点id保存起来
+    let list = fromNode.nodeData.data.associativeLineTargets || []
+    list.push(id)
+    // 保存控制点
+    let [startPoint, endPoint] = computeNodePoints(fromNode, toNode)
+    let controlPoints = computeCubicBezierPathPoints(
+      startPoint.x,
+      startPoint.y,
+      endPoint.x,
+      endPoint.y
+    )
+    let offsetList =
+      fromNode.nodeData.data.associativeLineTargetControlOffsets || []
+    // 保存的实际是控制点和端点的差值，否则当节点位置改变了，控制点还是原来的位置，连线就不对了
+    offsetList[list.length - 1] = [
+      {
+        x: controlPoints[0].x - startPoint.x,
+        y: controlPoints[0].y - startPoint.y
+      },
+      {
+        x: controlPoints[1].x - endPoint.x,
+        y: controlPoints[1].y - endPoint.y
+      }
+    ]
+    this.mindMap.execCommand('SET_NODE_DATA', fromNode, {
+      associativeLineTargets: list,
+      associativeLineTargetControlOffsets: offsetList
+    })
+  }
+
+  // 删除连接线
+  removeLine() {
+    if (!this.activeLine) return
+    let [, , node, toNode] = this.activeLine
+    this.removeControls()
+    let { associativeLineTargets, associativeLineTargetControlOffsets } =
+      node.nodeData.data
+    let targetIndex = getAssociativeLineTargetIndex(node, toNode)
+    this.mindMap.execCommand('SET_NODE_DATA', node, {
+      associativeLineTargets: associativeLineTargets.filter((_, index) => {
+        return index !== targetIndex
+      }),
+      associativeLineTargetControlOffsets: associativeLineTargetControlOffsets
+        ? associativeLineTargetControlOffsets.filter((_, index) => {
+            return index !== targetIndex
+          })
+        : []
+    })
+  }
+
+  // 清除当前激活的节点
+  clearActiveNodes() {
+    if (this.mindMap.renderer.activeNodeList.length > 0) {
+      this.mindMap.execCommand('CLEAR_ACTIVE_NODE')
+    }
+  }
+
+  // 清除激活的线
+  clearActiveLine() {
+    if (this.activeLine) {
+      this.activeLine[1].stroke({
+        color: 'transparent'
+      })
+      this.activeLine = null
+      this.removeControls()
+    }
+  }
+
+  // 处理节点正在拖拽事件
+  onNodeDragging() {
+    if (this.isNodeDragging) return
+    this.isNodeDragging = true
+    this.lineList.forEach(line => {
+      line[0].hide()
+      line[1].hide()
+    })
+    this.hideControls()
+  }
+
+  // 处理节点拖拽完成事件
+  onNodeDragend() {
+    if (!this.isNodeDragging) return
+    this.lineList.forEach(line => {
+      line[0].show()
+      line[1].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'
+
+export default AssociativeLine
--- a/simple-mind-map/src/Command.js
+++ b/simple-mind-map/src/Command.js
@@ -72,7 +72,14 @@ class Command {

  //  添加回退数据
  addHistory() {
+    if (this.mindMap.opt.readonly) {
+      return
+    }
    let data = this.getCopyData()
+    // 此次数据和上次一样则不重复添加
+    if (this.history.length > 0 && JSON.stringify(this.history[this.history.length - 1]) === JSON.stringify(data)) {
+      return
+    }
    this.history.push(simpleDeepClone(data))
    this.activeHistoryIndex = this.history.length - 1
    this.mindMap.emit('data_change', data)
@@ -85,6 +92,9 @@ class Command {

  //  回退
  back(step = 1) {
+    if (this.mindMap.opt.readonly) {
+      return
+    }
    if (this.activeHistoryIndex - step >= 0) {
      this.activeHistoryIndex -= step
      this.mindMap.emit(
@@ -92,17 +102,24 @@ class Command {
        this.activeHistoryIndex,
        this.history.length
      )
-      return simpleDeepClone(this.history[this.activeHistoryIndex])
+      let data = simpleDeepClone(this.history[this.activeHistoryIndex])
+      this.mindMap.emit('data_change', data)
+      return data
    }
  }

  //  前进
  forward(step = 1) {
+    if (this.mindMap.opt.readonly) {
+      return
+    }
    let len = this.history.length
    if (this.activeHistoryIndex + step <= len - 1) {
      this.activeHistoryIndex += step
      this.mindMap.emit('back_forward', this.activeHistoryIndex)
-      return simpleDeepClone(this.history[this.activeHistoryIndex])
+      let data = simpleDeepClone(this.history[this.activeHistoryIndex])
+      this.mindMap.emit('data_change', data)
+      return data
    }
  }

--- a/simple-mind-map/src/Drag.js
+++ b/simple-mind-map/src/Drag.js
@@ -77,6 +77,7 @@ class Drag extends Base {
      if (!this.isMousedown) {
        return
      }
+      this.mindMap.emit('node_dragging', this.node)
      e.preventDefault()
      let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
      this.mouseMoveX = x
@@ -136,6 +137,7 @@ class Drag extends Base {
      this.mindMap.render()
    }
    this.reset()
+    this.mindMap.emit('node_dragend')
  }

  //  创建克隆节点
@@ -260,4 +262,6 @@ class Drag extends Base {
  }
 }

+Drag.instanceName = 'drag'
+
 export default Drag
--- a/simple-mind-map/src/Event.js
+++ b/simple-mind-map/src/Event.js
@@ -43,12 +43,7 @@ class Event extends EventEmitter {
    this.mindMap.svg.on('mousedown', this.onSvgMousedown)
    window.addEventListener('mousemove', this.onMousemove)
    window.addEventListener('mouseup', this.onMouseup)
-    // 兼容火狐浏览器
-    if (window.navigator.userAgent.toLowerCase().indexOf('firefox') != -1) {
-      this.mindMap.el.addEventListener('DOMMouseScroll', this.onMousewheel)
-    } else {
-      this.mindMap.el.addEventListener('mousewheel', this.onMousewheel)
-    }
+    this.mindMap.el.addEventListener('wheel', this.onMousewheel)
    this.mindMap.svg.on('contextmenu', this.onContextmenu)
    window.addEventListener('keyup', this.onKeyup)
  }
@@ -59,7 +54,7 @@ class Event extends EventEmitter {
    this.mindMap.el.removeEventListener('mousedown', this.onMousedown)
    window.removeEventListener('mousemove', this.onMousemove)
    window.removeEventListener('mouseup', this.onMouseup)
-    this.mindMap.el.removeEventListener('mousewheel', this.onMousewheel)
+    this.mindMap.el.removeEventListener('wheel', this.onMousewheel)
    this.mindMap.svg.off('contextmenu', this.onContextmenu)
    window.removeEventListener('keyup', this.onKeyup)
  }
@@ -110,10 +105,17 @@ class Event extends EventEmitter {
    e.stopPropagation()
    e.preventDefault()
    let dir
-    if ((e.wheelDeltaY || e.detail) > 0) {
-      dir = 'up'
+    // 解决mac触控板双指缩放方向相反的问题
+    if (e.ctrlKey) {
+      if (e.deltaY > 0) dir = 'up'
+      if (e.deltaY < 0) dir = 'down'
+      if (e.deltaX > 0) dir = 'left'
+      if (e.deltaX < 0) dir = 'right'
    } else {
-      dir = 'down'
+      if ((e.wheelDeltaY || e.detail) > 0) dir = 'up'
+      if ((e.wheelDeltaY || e.detail) < 0) dir = 'down'
+      if ((e.wheelDeltaX || e.detail) > 0) dir = 'left'
+      if ((e.wheelDeltaX || e.detail) < 0) dir = 'right'
    }
    this.emit('mousewheel', e, dir, this)
  }
--- a/simple-mind-map/src/Export.js
+++ b/simple-mind-map/src/Export.js
@@ -1,6 +1,7 @@
 import { imgToDataUrl, downloadFile } from './utils'
 import JsPDF from 'jspdf'
 import { SVG } from '@svgdotjs/svg.js'
+import drawBackgroundImageToCanvas from './utils/simulateCSSBackgroundInCanvas'
 const URL = window.URL || window.webkitURL || window

 //  导出类
@@ -25,8 +26,8 @@ class Export {
  }

  //  获取svg数据
-  async getSvgData() {
-    let { svg, svgHTML } = this.mindMap.miniMap.getMiniMap()
+  async getSvgData(domToImage) {
+    let { svg, svgHTML } = this.mindMap.getSvgData()
    // 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 => {
@@ -35,9 +36,17 @@ 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)
+      nodeWithDomToImg = res.svg
+      svgHTML = res.svgHTML
+    }
    return {
      node: svg,
-      str: svgHTML
+      str: svgHTML,
+      nodeWithDomToImg
    }
  }

@@ -85,7 +94,9 @@ class Export {
      let {
        backgroundColor = '#fff',
        backgroundImage,
-        backgroundRepeat = 'repeat'
+        backgroundRepeat = 'no-repeat',
+        backgroundPosition = 'center center',
+        backgroundSize = 'cover',
      } = this.mindMap.themeConfig
      // 背景颜色
      ctx.save()
@@ -96,19 +107,18 @@ class Export {
      // 背景图片
      if (backgroundImage && backgroundImage !== 'none') {
        ctx.save()
-        let img = new Image()
-        img.src = backgroundImage
-        img.onload = () => {
-          let pat = ctx.createPattern(img, backgroundRepeat)
-          ctx.rect(0, 0, width, height)
-          ctx.fillStyle = pat
-          ctx.fill()
+        drawBackgroundImageToCanvas(ctx, width, height, backgroundImage, {
+          backgroundRepeat,
+          backgroundPosition,
+          backgroundSize
+        }, (err) => {
+          if (err) {
+            reject(err)
+          } else {
+            resolve()
+          }
          ctx.restore()
-          resolve()
-        }
-        img.onerror = e => {
-          reject(e)
-        }
+        })
      } else {
        resolve()
      }
@@ -121,7 +131,7 @@ class Export {
   * 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()
+    let { str } = await this.getSvgData(true)
    // 转换成blob数据
    let blob = new Blob([str], {
      type: 'image/svg+xml'
@@ -189,8 +199,21 @@ class Export {
  }

  //  导出为svg
-  async svg(name) {
-    let { node } = await this.getSvgData()
+  // 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)
+    // 开启了节点富文本编辑
+    if (this.mindMap.richText) {
+      if (domToImage) {
+        node = nodeWithDomToImg
+      } else if (plusCssText) {
+        let foreignObjectList = node.find('foreignObject')
+        if (foreignObjectList.length > 0) {
+          foreignObjectList[0].add(SVG(`<style>${plusCssText}</style>`))
+        }
+      }
+    }
    node.first().before(SVG(`<title>${name}</title>`))
    await this.drawBackgroundToSvg(node)
    let str = node.svg()
@@ -215,4 +238,6 @@ class Export {
  }
 }

+Export.instanceName = 'doExport'
+
 export default Export
--- a/simple-mind-map/src/KeyboardNavigation.js
+++ b/simple-mind-map/src/KeyboardNavigation.js
@@ -1,29 +1,35 @@
-import { isKey } from './utils/keyMap'
 import { bfsWalk } from './utils'

 //  键盘导航类
-export default class KeyboardNavigation {
+class KeyboardNavigation {
  //  构造函数
  constructor(opt) {
    this.opt = opt
    this.mindMap = opt.mindMap
    this.onKeyup = this.onKeyup.bind(this)
-    this.mindMap.on('keyup', this.onKeyup)
+    this.mindMap.keyCommand.addShortcut('Left', () => {
+      this.onKeyup('Left')
+    })
+    this.mindMap.keyCommand.addShortcut('Up', () => {
+      this.onKeyup('Up')
+    })
+    this.mindMap.keyCommand.addShortcut('Right', () => {
+      this.onKeyup('Right')
+    })
+    this.mindMap.keyCommand.addShortcut('Down', () => {
+      this.onKeyup('Down')
+    })
  }

  //  处理按键事件
-  onKeyup(e) {
-    ;['Left', 'Up', 'Right', 'Down'].forEach(dir => {
-      if (isKey(e, dir)) {
-        if (this.mindMap.renderer.activeNodeList.length > 0) {
-          this.focus(dir)
-        } else {
-          let root = this.mindMap.renderer.root
-          this.mindMap.renderer.moveNodeToCenter(root)
-          root.active()
-        }
-      }
-    })
+  onKeyup(dir) {
+    if (this.mindMap.renderer.activeNodeList.length > 0) {
+      this.focus(dir)
+    } else {
+      let root = this.mindMap.renderer.root
+      this.mindMap.renderer.moveNodeToCenter(root)
+      root.active()
+    }
  }

  //  聚焦到下一个节点
@@ -224,3 +230,7 @@ export default class KeyboardNavigation {
    }
  }
 }
+
+KeyboardNavigation.instanceName = 'keyboardNavigation'
+
+export default KeyboardNavigation
--- a/simple-mind-map/src/MiniMap.js
+++ b/simple-mind-map/src/MiniMap.js
@@ -14,43 +14,6 @@ class MiniMap {
    }
  }

-  //   获取小地图相关数据
-  getMiniMap() {
-    const svg = this.mindMap.svg
-    const draw = this.mindMap.draw
-    // 保存原始信息
-    const origWidth = svg.width()
-    const origHeight = svg.height()
-    const origTransform = draw.transform()
-    const elRect = this.mindMap.el.getBoundingClientRect()
-    // 去除放大缩小的变换效果
-    draw.scale(1 / origTransform.scaleX, 1 / origTransform.scaleY)
-    // 获取变换后的位置尺寸信息，其实是getBoundingClientRect方法的包装方法
-    const rect = draw.rbox()
-    // 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
-    draw.translate(-rect.x + elRect.left, -rect.y + elRect.top)
-    // 克隆一份数据
-    const clone = svg.clone()
-    // 恢复原先的大小和变换信息
-    svg.size(origWidth, origHeight)
-    draw.transform(origTransform)
-
-    return {
-      svg: clone, // 思维导图图形的整体svg元素，包括：svg（画布容器）、g（实际的思维导图组）
-      svgHTML: clone.svg(), // svg字符串
-      rect: {
-        ...rect, // 思维导图图形未缩放时的位置尺寸等信息
-        ratio: rect.width / rect.height // 思维导图图形的宽高比
-      },
-      origWidth, // 画布宽度
-      origHeight, // 画布高度
-      scaleX: origTransform.scaleX, // 思维导图图形的水平缩放值
-      scaleY: origTransform.scaleY // 思维导图图形的垂直缩放值
-    }
-  }
-
  //  计算小地图的渲染数据
  /**
   * boxWidth：小地图容器的宽度
@@ -58,7 +21,7 @@ class MiniMap {
   */
  calculationMiniMap(boxWidth, boxHeight) {
    let { svgHTML, rect, origWidth, origHeight, scaleX, scaleY } =
-      this.getMiniMap()
+      this.mindMap.getSvgData()
    // 计算数据
    let boxRatio = boxWidth / boxHeight
    let actWidth = 0
@@ -144,4 +107,6 @@ class MiniMap {
  }
 }

+MiniMap.instanceName = 'miniMap'
+
 export default MiniMap
--- a/simple-mind-map/src/Node.js
+++ b/simple-mind-map/src/Node.js
--- a/simple-mind-map/src/Render.js
+++ b/simple-mind-map/src/Render.js
--- a/simple-mind-map/src/RichText.js
+++ b/simple-mind-map/src/RichText.js
@@ -0,0 +1,443 @@
+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'
+
+let extended = false
+
+// 扩展quill的字体列表
+let fontFamilyList = [
+  '宋体, SimSun, Songti SC',
+  '微软雅黑, Microsoft YaHei',
+  '楷体, 楷体_GB2312, SimKai, STKaiti',
+  '黑体, SimHei, Heiti SC',
+  '隶书, SimLi',
+  'andale mono',
+  'arial, helvetica, sans-serif',
+  'arial black, avant garde',
+  'comic sans ms',
+  'impact, chicago',
+  'times new roman',
+  'sans-serif',
+  'serif'
+]
+
+// 扩展quill的字号列表
+let fontSizeList = new Array(100).fill(0).map((_, index) => {
+  return index + 'px'
+})
+
+// 节点支持富文本编辑功能
+class RichText {
+  constructor({ mindMap, pluginOpt }) {
+    this.mindMap = mindMap
+    this.pluginOpt = pluginOpt
+    this.textEditNode = null
+    this.showTextEdit = false
+    this.quill = null
+    this.range = null
+    this.lastRange = null
+    this.node = null
+    this.initOpt()
+    this.extendQuill()
+  }
+
+  // 处理选项参数
+  initOpt() {
+    if (
+      this.pluginOpt.fontFamilyList &&
+      Array.isArray(this.pluginOpt.fontFamilyList)
+    ) {
+      fontFamilyList = this.pluginOpt.fontFamilyList
+    }
+    if (
+      this.pluginOpt.fontSizeList &&
+      Array.isArray(this.pluginOpt.fontSizeList)
+    ) {
+      fontSizeList = this.pluginOpt.fontSizeList
+    }
+  }
+
+  // 扩展quill编辑器
+  extendQuill() {
+    if (extended) {
+      return
+    }
+    extended = true
+
+    // 扩展quill的字体列表
+    const FontAttributor = Quill.import('attributors/class/font')
+    FontAttributor.whitelist = fontFamilyList
+    Quill.register(FontAttributor, true)
+
+    const FontStyle = Quill.import('attributors/style/font')
+    FontStyle.whitelist = fontFamilyList
+    Quill.register(FontStyle, true)
+
+    // 扩展quill的字号列表
+    const SizeAttributor = Quill.import('attributors/class/size')
+    SizeAttributor.whitelist = fontSizeList
+    Quill.register(SizeAttributor, true)
+
+    const SizeStyle = Quill.import('attributors/style/size')
+    SizeStyle.whitelist = fontSizeList
+    Quill.register(SizeStyle, true)
+  }
+
+  // 显示文本编辑控件
+  showEditText(node, rect) {
+    if (this.showTextEdit) {
+      return
+    }
+    this.node = node
+    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;background-color:#fff;box-shadow: 0 0 20px rgba(0,0,0,.5);outline: none; word-break: break-all;`
+      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')
+    this.textEditNode.style.minWidth = originWidth + '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.display = 'block'
+    this.textEditNode.style.maxWidth = this.mindMap.opt.textAutoWrapWidth + 'px'
+    this.textEditNode.style.transform = `scale(${rect.width / originWidth}, ${
+      rect.height / originHeight
+    })`
+    if (!node.nodeData.data.richText) {
+      // 还不是富文本的情况
+      let text = node.nodeData.data.text.split(/\n/gim).join('<br>')
+      let html = `<p>${text}</p>`
+      this.textEditNode.innerHTML = html
+    } else {
+      this.textEditNode.innerHTML = node.nodeData.data.text
+    }
+    this.initQuillEditor()
+    document.querySelector('.ql-editor').style.minHeight = originHeight + 'px'
+    this.showTextEdit = true
+    this.selectAll()
+    if (!node.nodeData.data.richText) {
+      // 如果是非富文本的情况，需要手动应用文本样式
+      this.setTextStyleIfNotRichText(node)
+    }
+  }
+
+  // 如果是非富文本的情况，需要手动应用文本样式
+  setTextStyleIfNotRichText(node) {
+    let style = {
+      font: node.style.merge('fontFamily'),
+      color: node.style.merge('color'),
+      italic: node.style.merge('fontStyle') === 'italic',
+      bold: node.style.merge('fontWeight') === 'bold',
+      size: node.style.merge('fontSize') + 'px',
+      underline: node.style.merge('textDecoration') === 'underline',
+      strike: node.style.merge('textDecoration') === 'line-through'
+    }
+    this.formatText(style)
+  }
+
+  // 隐藏文本编辑控件，即完成编辑
+  hideEditText() {
+    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 => {
+      this.mindMap.execCommand('SET_NODE_TEXT', node, html, true)
+      if (node.isGeneralization) {
+        // 概要节点
+        node.generalizationBelongNode.updateGeneralization()
+      }
+      this.mindMap.render()
+    })
+    this.mindMap.emit(
+      'hide_text_edit',
+      this.textEditNode,
+      this.mindMap.renderer.activeNodeList
+    )
+    this.textEditNode.style.display = 'none'
+    this.showTextEdit = false
+    this.mindMap.emit('rich_text_selection_change', false)
+    this.node = null
+  }
+
+  // 初始化Quill富文本编辑器
+  initQuillEditor() {
+    this.quill = new Quill(this.textEditNode, {
+      modules: {
+        toolbar: false,
+        keyboard: {
+          bindings: {
+            enter: {
+              key: 13,
+              handler: function () {
+                // 覆盖默认的回车键换行
+              }
+            }
+          }
+        }
+      },
+      theme: 'snow'
+    })
+    this.quill.on('selection-change', range => {
+      this.lastRange = this.range
+      this.range = null
+      if (range) {
+        let bounds = this.quill.getBounds(range.index, range.length)
+        let rect = this.textEditNode.getBoundingClientRect()
+        let rectInfo = {
+          left: bounds.left + rect.left,
+          top: bounds.top + rect.top,
+          right: bounds.right + rect.left,
+          bottom: bounds.bottom + rect.top,
+          width: bounds.width
+        }
+        let formatInfo = this.quill.getFormat(range.index, range.length)
+        let hasRange = false
+        if (range.length == 0) {
+          hasRange = false
+        } else {
+          this.range = range
+          hasRange = true
+        }
+        this.mindMap.emit(
+          'rich_text_selection_change',
+          hasRange,
+          rectInfo,
+          formatInfo
+        )
+      }
+    })
+  }
+
+  // 选中全部
+  selectAll() {
+    this.quill.setSelection(0, this.quill.getLength())
+  }
+
+  // 格式化当前选中的文本
+  formatText(config = {}, clear = false) {
+    if (!this.range && !this.lastRange) return
+    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)
+    if (rangeLost) {
+      this.quill.setSelection(this.lastRange.index, this.lastRange.length)
+    }
+  }
+
+  // 清除当前选中文本的样式
+  removeFormat() {
+    this.formatText({}, true)
+  }
+
+  // 格式化指定范围的文本
+  formatRangeText(range, config = {}) {
+    if (!range) return
+    this.syncFormatToNodeConfig(config)
+    this.quill.formatText(range.index, range.length, config)
+  }
+
+  // 格式化所有文本
+  formatAllText(config = {}) {
+    this.syncFormatToNodeConfig(config)
+    this.quill.formatText(0, this.quill.getLength(), config)
+  }
+
+  // 同步格式化到节点样式配置
+  syncFormatToNodeConfig(config, clear) {
+    if (!this.node) return
+    if (clear) {
+      // 清除文本样式
+      ['fontFamily', 'fontSize', 'fontWeight', 'fontStyle', 'textDecoration', 'color'].forEach((prop) => {
+        delete this.node.nodeData.data[prop]
+      })
+    } else {
+      let data = this.richTextStyleToNormalStyle(config)
+      this.mindMap.renderer.setNodeData(this.node, data)
+    }
+  }
+
+  // 将普通节点样式对象转换成富文本样式对象
+  normalStyleToRichTextStyle(style) {
+    let config = {}
+    Object.keys(style).forEach(prop => {
+      let value = style[prop]
+      switch (prop) {
+        case 'fontFamily':
+          config.font = value
+          break
+        case 'fontSize':
+          config.size = value + 'px'
+          break
+        case 'fontWeight':
+          config.bold = value === 'bold'
+          break
+        case 'fontStyle':
+          config.italic = value === 'italic'
+          break
+        case 'textDecoration':
+          config.underline = value === 'underline'
+          config.strike = value === 'line-through'
+          break
+        case 'color':
+          config.color = value
+          break
+        default:
+          break
+      }
+    })
+    return config
+  }
+
+  // 将富文本样式对象转换成普通节点样式对象
+  richTextStyleToNormalStyle(config) {
+    let data = {}
+    Object.keys(config).forEach(prop => {
+      let value = config[prop]
+      switch (prop) {
+        case 'font':
+          data.fontFamily = value
+          break
+        case 'size':
+          data.fontSize = parseFloat(value)
+          break
+        case 'bold':
+          data.fontWeight = value ? 'bold' : 'normal'
+          break
+        case 'italic':
+          data.fontStyle = value ? 'italic' : 'normal'
+          break
+        case 'underline':
+          data.textDecoration = value ? 'underline' : 'none'
+          break
+        case 'strike':
+          data.textDecoration = value ? 'line-through' : 'none'
+          break
+        case 'color':
+          data.color = value
+          break
+        default:
+          break
+      }
+    })
+    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()
+    }
+  }
+
+  // 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()
+    })
+  }
+
+  // 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
+        }
+      },
+      null,
+      true,
+      0,
+      0
+    )
+    this.mindMap.reRender()
+  }
+
+  // 插件被移除前做的事情
+  beforePluginRemove() {
+    this.transformAllNodesToNormalNode()
+  }
+}
+
+RichText.instanceName = 'richText'
+
+export default RichText
--- a/simple-mind-map/src/Select.js
+++ b/simple-mind-map/src/Select.js
@@ -167,4 +167,6 @@ class Select {
  }
 }

+Select.instanceName = 'select'
+
 export default Select
--- a/simple-mind-map/src/Style.js
+++ b/simple-mind-map/src/Style.js
@@ -1,167 +1,200 @@
-import { tagColorList } from './utils/constant'
-const rootProp = ['paddingX', 'paddingY']
-
-//  样式类
-
-class Style {
-  //   设置背景样式
-
-  static setBackgroundStyle(el, themeConfig) {
-    let { backgroundColor, backgroundImage, backgroundRepeat } = themeConfig
-    el.style.backgroundColor = backgroundColor
-    if (backgroundImage) {
-      el.style.backgroundImage = `url(${backgroundImage})`
-      el.style.backgroundRepeat = backgroundRepeat
-    }
-  }
-
-  //  构造函数
-
-  constructor(ctx, themeConfig) {
-    this.ctx = ctx
-    this.themeConfig = themeConfig
-  }
-
-  //  更新主题配置
-
-  updateThemeConfig(themeConfig) {
-    this.themeConfig = themeConfig
-  }
-
-  //  合并样式
-
-  merge(prop, root, isActive) {
-    // 三级及以下节点
-    let defaultConfig = this.themeConfig.node
-    if (root || rootProp.includes(prop)) {
-      // 直接使用最外层样式
-      defaultConfig = this.themeConfig
-    } else if (this.ctx.isGeneralization) {
-      // 概要节点
-      defaultConfig = this.themeConfig.generalization
-    } else if (this.ctx.layerIndex === 0) {
-      // 根节点
-      defaultConfig = this.themeConfig.root
-    } else if (this.ctx.layerIndex === 1) {
-      // 二级节点
-      defaultConfig = this.themeConfig.second
-    }
-    // 激活状态
-    if (isActive !== undefined ? isActive : this.ctx.nodeData.data.isActive) {
-      if (
-        this.ctx.nodeData.data.activeStyle &&
-        this.ctx.nodeData.data.activeStyle[prop] !== undefined
-      ) {
-        return this.ctx.nodeData.data.activeStyle[prop]
-      } else if (defaultConfig.active && defaultConfig.active[prop]) {
-        return defaultConfig.active[prop]
-      }
-    }
-    // 优先使用节点本身的样式
-    return this.getSelfStyle(prop) !== undefined
-      ? this.getSelfStyle(prop)
-      : defaultConfig[prop]
-  }
-
-  //  获取某个样式值
-
-  getStyle(prop, root, isActive) {
-    return this.merge(prop, root, isActive)
-  }
-
-  //  获取自身自定义样式
-
-  getSelfStyle(prop) {
-    return this.ctx.nodeData.data[prop]
-  }
-
-  //  矩形
-
-  rect(node) {
-    this.shape(node)
-    node.radius(this.merge('borderRadius'))
-  }
-
-  //   矩形外的其他形状
-
-  shape(node) {
-    node.fill({
-      color: this.merge('fillColor')
-    })
-    // 节点使用横线样式，不需要渲染非激活状态的边框样式
-    if (
-      !this.ctx.isRoot &&
-      !this.ctx.isGeneralization &&
-      this.themeConfig.nodeUseLineStyle &&
-      !this.ctx.nodeData.data.isActive
-    ) {
-      return
-    }
-    node.stroke({
-      color: this.merge('borderColor'),
-      width: this.merge('borderWidth'),
-      dasharray: this.merge('borderDasharray')
-    })
-  }
-
-  //  文字
-
-  text(node) {
-    node
-      .fill({
-        color: this.merge('color')
-      })
-      .css({
-        'font-family': this.merge('fontFamily'),
-        'font-size': this.merge('fontSize'),
-        'font-weight': this.merge('fontWeight'),
-        'font-style': this.merge('fontStyle'),
-        'text-decoration': this.merge('textDecoration')
-      })
-  }
-
-  //  html文字节点
-
-  domText(node, fontSizeScale = 1) {
-    node.style.fontFamily = this.merge('fontFamily')
-    node.style.fontSize = this.merge('fontSize') * fontSizeScale + 'px'
-    node.style.fontWeight = this.merge('fontWeight') || 'normal'
-  }
-
-  //  标签文字
-
-  tagText(node, index) {
-    node
-      .fill({
-        color: tagColorList[index].color
-      })
-      .css({
-        'font-size': '12px'
-      })
-  }
-
-  //  标签矩形
-
-  tagRect(node, index) {
-    node.fill({
-      color: tagColorList[index].background
-    })
-  }
-
-  //  内置图标
-
-  iconNode(node) {
-    node.attr({
-      fill: this.merge('color')
-    })
-  }
-
-  //  连线
-
-  line(node, { width, color, dasharray } = {}) {
-    node.stroke({ width, color, dasharray }).fill({ color: 'none' })
-  }
-
-  //  概要连线
-
-  generalizationLine(node) {
+import { tagColorList } from './utils/constant'
+const rootProp = ['paddingX', 'paddingY']
+
+//  样式类
+
+class Style {
+  //   设置背景样式
+
+  static setBackgroundStyle(el, themeConfig) {
+    let { backgroundColor, backgroundImage, backgroundRepeat, backgroundPosition, backgroundSize } = themeConfig
+    el.style.backgroundColor = backgroundColor
+    if (backgroundImage) {
+      el.style.backgroundImage = `url(${backgroundImage})`
+      el.style.backgroundRepeat = backgroundRepeat
+      el.style.backgroundPosition = backgroundPosition
+      el.style.backgroundSize = backgroundSize
+    } else {
+      el.style.backgroundImage = 'none'
+    }
+  }
+
+  //  构造函数
+
+  constructor(ctx, themeConfig) {
+    this.ctx = ctx
+    this.themeConfig = themeConfig
+  }
+
+  //  更新主题配置
+
+  updateThemeConfig(themeConfig) {
+    this.themeConfig = themeConfig
+  }
+
+  //  合并样式
+
+  merge(prop, root, isActive) {
+    // 三级及以下节点
+    let defaultConfig = this.themeConfig.node
+    if (root || rootProp.includes(prop)) {
+      // 直接使用最外层样式
+      defaultConfig = this.themeConfig
+    } else if (this.ctx.isGeneralization) {
+      // 概要节点
+      defaultConfig = this.themeConfig.generalization
+    } else if (this.ctx.layerIndex === 0) {
+      // 根节点
+      defaultConfig = this.themeConfig.root
+    } else if (this.ctx.layerIndex === 1) {
+      // 二级节点
+      defaultConfig = this.themeConfig.second
+    }
+    // 激活状态
+    if (isActive !== undefined ? isActive : this.ctx.nodeData.data.isActive) {
+      if (
+        this.ctx.nodeData.data.activeStyle &&
+        this.ctx.nodeData.data.activeStyle[prop] !== undefined
+      ) {
+        return this.ctx.nodeData.data.activeStyle[prop]
+      } else if (defaultConfig.active && defaultConfig.active[prop]) {
+        return defaultConfig.active[prop]
+      }
+    }
+    // 优先使用节点本身的样式
+    return this.getSelfStyle(prop) !== undefined
+      ? this.getSelfStyle(prop)
+      : defaultConfig[prop]
+  }
+
+  //  获取某个样式值
+
+  getStyle(prop, root, isActive) {
+    return this.merge(prop, root, isActive)
+  }
+
+  //  获取自身自定义样式
+
+  getSelfStyle(prop) {
+    return this.ctx.nodeData.data[prop]
+  }
+
+  //  矩形
+
+  rect(node) {
+    this.shape(node)
+    node.radius(this.merge('borderRadius'))
+  }
+
+  //   矩形外的其他形状
+
+  shape(node) {
+    node.fill({
+      color: this.merge('fillColor')
+    })
+    // 节点使用横线样式，不需要渲染非激活状态的边框样式
+    if (
+      !this.ctx.isRoot &&
+      !this.ctx.isGeneralization &&
+      this.themeConfig.nodeUseLineStyle &&
+      !this.ctx.nodeData.data.isActive
+    ) {
+      return
+    }
+    node.stroke({
+      color: this.merge('borderColor'),
+      width: this.merge('borderWidth'),
+      dasharray: this.merge('borderDasharray')
+    })
+  }
+
+  //  文字
+
+  text(node) {
+    node
+      .fill({
+        color: this.merge('color')
+      })
+      .css({
+        'font-family': this.merge('fontFamily'),
+        'font-size': this.merge('fontSize'),
+        'font-weight': this.merge('fontWeight'),
+        'font-style': this.merge('fontStyle'),
+        'text-decoration': this.merge('textDecoration')
+      })
+  }
+
+  // 获取文本样式
+  getTextFontStyle() {
+    return { 
+      italic: this.merge('fontStyle') === 'italic', 
+      bold: this.merge('fontWeight'), 
+      fontSize: this.merge('fontSize'), 
+      fontFamily: this.merge('fontFamily')
+    }
+  }
+
+  //  html文字节点
+
+  domText(node, fontSizeScale = 1) {
+    node.style.fontFamily = this.merge('fontFamily')
+    node.style.fontSize = this.merge('fontSize') * fontSizeScale + 'px'
+    node.style.fontWeight = this.merge('fontWeight') || 'normal'
+    node.style.lineHeight = this.merge('lineHeight')
+    node.style.fontStyle = this.merge('fontStyle')
+  }
+
+  //  标签文字
+
+  tagText(node, index) {
+    node
+      .fill({
+        color: tagColorList[index].color
+      })
+      .css({
+        'font-size': '12px'
+      })
+  }
+
+  //  标签矩形
+
+  tagRect(node, index) {
+    node.fill({
+      color: tagColorList[index].background
+    })
+  }
+
+  //  内置图标
+
+  iconNode(node) {
+    node.attr({
+      fill: this.merge('color')
+    })
+  }
+
+  //  连线
+
+  line(node, { width, color, dasharray } = {}) {
+    node.stroke({ width, color, dasharray }).fill({ color: 'none' })
+  }
+
+  //  概要连线
+
+  generalizationLine(node) {
+    node
+      .stroke({
+        width: this.merge('generalizationLineWidth', true),
+        color: this.merge('generalizationLineColor', true)
+      })
+      .fill({ color: 'none' })
+  }
+
+  //  按钮
+
+  iconBtn(node, fillNode) {
+    node.fill({ color: '#808080' })
+    fillNode.fill({ color: '#fff' })
+  }
+}
+
+export default Style
--- a/simple-mind-map/src/TextEdit.js
+++ b/simple-mind-map/src/TextEdit.js
@@ -50,7 +50,12 @@ export default class TextEdit {

  //  显示文本编辑框
  show(node) {
-    this.showEditTextBox(node, node._textData.node.node.getBoundingClientRect())
+    let rect = node._textData.node.node.getBoundingClientRect()
+    if (this.mindMap.richText) {
+      this.mindMap.richText.showEditText(node, rect)
+      return
+    }
+    this.showEditTextBox(node, rect)
  }

  //  显示文本编辑框
@@ -59,14 +64,17 @@ export default class TextEdit {
    this.registerTmpShortcut()
    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;`
+      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()
      })
      document.body.appendChild(this.textEditNode)
    }
-    node.style.domText(this.textEditNode, this.mindMap.view.scale)
+    let scale = this.mindMap.view.scale
+    let lineHeight = node.style.merge('lineHeight')
+    let fontSize = node.style.merge('fontSize')
+    node.style.domText(this.textEditNode, scale)
    this.textEditNode.innerHTML = node.nodeData.data.text
      .split(/\n/gim)
      .join('<br>')
@@ -75,6 +83,8 @@ export default class TextEdit {
    this.textEditNode.style.left = rect.left + 'px'
    this.textEditNode.style.top = rect.top + 'px'
    this.textEditNode.style.display = 'block'
+    this.textEditNode.style.maxWidth = this.mindMap.opt.textAutoWrapWidth * scale + 'px'
+    this.textEditNode.style.transform = `translateY(${-(lineHeight * fontSize - fontSize) / 2 * scale}px)`
    this.showTextEdit = true
    // 选中文本
    this.selectNodeText()
@@ -91,6 +101,9 @@ export default class TextEdit {

  //  隐藏文本编辑框
  hideEditTextBox() {
+    if (this.mindMap.richText) {
+      return this.mindMap.richText.hideEditText()
+    }
    if (!this.showTextEdit) {
      return
    }
--- a/simple-mind-map/src/View.js
+++ b/simple-mind-map/src/View.js
@@ -55,12 +55,41 @@ class View {
    })
    // 放大缩小视图
    this.mindMap.event.on('mousewheel', (e, dir) => {
-      // // 放大
-      if (dir === 'down') {
-        this.enlarge()
+      if (this.mindMap.opt.customHandleMousewheel && typeof this.mindMap.opt.customHandleMousewheel === 'function') {
+        return this.mindMap.opt.customHandleMousewheel(e)
+      }
+      if (this.mindMap.opt.mousewheelAction === 'zoom') {
+        switch (dir) {
+          // 鼠标滚轮，向上和向左，都是缩小
+          case 'up':
+          case 'left':
+            this.narrow()
+            break
+          // 鼠标滚轮，向下和向右，都是放大
+          case 'down':
+          case 'right':
+            this.enlarge()
+            break
+        }
      } else {
-        // 缩小
-        this.narrow()
+        switch (dir){
+          // 上移
+          case 'down':
+            this.translateY(-this.mindMap.opt.mousewheelMoveStep)
+            break
+          // 下移
+          case 'up':
+            this.translateY(this.mindMap.opt.mousewheelMoveStep)
+            break
+          // 右移
+          case 'left':
+            this.translateX(-this.mindMap.opt.mousewheelMoveStep)
+            break
+          // 左移
+          case 'right':
+            this.translateX(this.mindMap.opt.mousewheelMoveStep)
+            break
+        }
      }
    })
  }
--- a/simple-mind-map/src/Watermark.js
+++ b/simple-mind-map/src/Watermark.js
@@ -3,7 +3,7 @@ import { degToRad, camelCaseToHyphen } from './utils'
 import merge from 'deepmerge'

 // 水印类
-export default class Watermark {
+class Watermark {
  constructor(opt = {}) {
    this.mindMap = opt.mindMap
    this.lineSpacing = 0 // 水印行间距
@@ -20,6 +20,11 @@ export default class Watermark {
    this.updateWatermark(this.mindMap.opt.watermarkConfig || {})
  }

+  // 获取是否存在水印
+  hasWatermark() {
+    return !!this.text.trim()
+  }
+
  // 处理水印配置
  handleConfig({ text, lineSpacing, textSpacing, angle, textStyle }) {
    this.text = text === undefined ? '' : String(text).trim()
@@ -36,7 +41,7 @@ export default class Watermark {
  // 非精确绘制，会绘制一些超出可视区域的水印
  draw() {
    this.watermarkDraw.clear()
-    if (!this.text.trim()) {
+    if (!this.hasWatermark()) {
      return
    }
    let x = 0
@@ -109,3 +114,7 @@ export default class Watermark {
    this.draw()
  }
 }
+
+Watermark.instanceName = 'watermark'
+
+export default Watermark
--- a/simple-mind-map/src/css/quill.css
+++ b/simple-mind-map/src/css/quill.css
@@ -0,0 +1,10 @@
+.ql-editor {
+    overflow: hidden;
+    padding: 0;
+    height: auto;
+}
+
+.ql-container {
+    height: auto;
+    font-size: inherit;
+}
--- a/simple-mind-map/src/layouts/LogicalStructure.js
+++ b/simple-mind-map/src/layouts/LogicalStructure.js
@@ -1,267 +1,289 @@
-import Base from './Base'
-import { walk, asyncRun } from '../utils'
-
-//  逻辑结构图
-
-class LogicalStructure extends Base {
-  //  构造函数
-
-  constructor(opt = {}) {
-    super(opt)
-  }
-
-  //  布局
-
-  doLayout(callback) {
-    let task = [
-      () => {
-        this.computedBaseValue()
-      },
-      () => {
-        this.computedTopValue()
-      },
-      () => {
-        this.adjustTopValue()
-      },
-      () => {
-        callback(this.root)
-      }
-    ]
-    asyncRun(task)
-  }
-
-  //  遍历数据计算节点的left、width、height
-
-  computedBaseValue() {
-    walk(
-      this.renderer.renderTree,
-      null,
-      (cur, parent, isRoot, layerIndex) => {
-        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
-          // 定位到父节点右侧
-          newNode.left =
-            parent._node.left + parent._node.width + this.getMarginX(layerIndex)
-        }
-        if (!cur.data.expand) {
-          return true
-        }
-      },
-      (cur, parent, isRoot, layerIndex) => {
-        // 返回时计算节点的areaHeight，也就是子节点所占的高度之和，包括外边距
-        let len = cur.data.expand === false ? 0 : cur._node.children.length
-        cur._node.childrenAreaHeight = len
-          ? cur._node.children.reduce((h, item) => {
-              return h + item.height
-            }, 0) +
-            (len + 1) * this.getMarginY(layerIndex + 1)
-          : 0
-      },
-      true,
-      0
-    )
-  }
-
-  //  遍历节点树计算节点的top
-
-  computedTopValue() {
-    walk(
-      this.root,
-      null,
-      (node, parent, isRoot, layerIndex) => {
-        if (
-          node.nodeData.data.expand &&
-          node.children &&
-          node.children.length
-        ) {
-          let marginY = this.getMarginY(layerIndex + 1)
-          // 第一个子节点的top值 = 该节点中心的top值 - 子节点的高度之和的一半
-          let top = node.top + node.height / 2 - node.childrenAreaHeight / 2
-          let totalTop = top + marginY
-          node.children.forEach(cur => {
-            cur.top = totalTop
-            totalTop += cur.height + marginY
-          })
-        }
-      },
-      null,
-      true
-    )
-  }
-
-  //  调整节点top
-
-  adjustTopValue() {
-    walk(
-      this.root,
-      null,
-      (node, parent, isRoot, layerIndex) => {
-        if (!node.nodeData.data.expand) {
-          return
-        }
-        // 判断子节点所占的高度之和是否大于该节点自身，大于则需要调整位置
-        let difference =
-          node.childrenAreaHeight -
-          this.getMarginY(layerIndex + 1) * 2 -
-          node.height
-        if (difference > 0) {
-          this.updateBrothers(node, difference / 2)
-        }
-      },
-      null,
-      true
-    )
-  }
-
-  //  更新兄弟节点的top
-
-  updateBrothers(node, addHeight) {
-    if (node.parent) {
-      let childrenList = node.parent.children
-      let index = childrenList.findIndex(item => {
-        return item === node
-      })
-      childrenList.forEach((item, _index) => {
-        if (item === node || item.hasCustomPosition()) {
-          // 适配自定义位置
-          return
-        }
-        let _offset = 0
-        // 上面的节点往上移
-        if (_index < index) {
-          _offset = -addHeight
-        } else if (_index > index) {
-          // 下面的节点往下移
-          _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.updateBrothers(node.parent, addHeight)
-    }
-  }
-
-  //  绘制连线，连接该节点到其子节点
-
-  renderLine(node, lines, style, lineStyle) {
-    if (lineStyle === 'curve') {
-      this.renderLineCurve(node, lines, style)
-    } else if (lineStyle === 'direct') {
-      this.renderLineDirect(node, lines, style)
-    } else {
-      this.renderLineStraight(node, lines, style)
-    }
-  }
-
-  //  直线风格连线
-
-  renderLineStraight(node, lines, style) {
-    if (node.children.length <= 0) {
-      return []
-    }
-    let { left, top, width, height, expandBtnSize } = node
-    let marginX = this.getMarginX(node.layerIndex + 1)
-    let s1 = (marginX - expandBtnSize) * 0.6
-    node.children.forEach((item, index) => {
-      let x1 =
-        node.layerIndex === 0 ? left + width : left + width + expandBtnSize
-      let y1 = top + height / 2
-      let x2 = item.left
-      let y2 = item.top + item.height / 2
-      // 节点使用横线风格，需要额外渲染横线
-      let nodeUseLineStyleOffset = this.mindMap.themeConfig.nodeUseLineStyle
-        ? item.width
-        : 0
-      let path = `M ${x1},${y1} L ${x1 + s1},${y1} L ${x1 + s1},${y2} L ${
-        x2 + nodeUseLineStyleOffset
-      },${y2}`
-      lines[index].plot(path)
-      style && style(lines[index], item)
-    })
-  }
-
-  //  直连风格
-
-  renderLineDirect(node, lines, style) {
-    if (node.children.length <= 0) {
-      return []
-    }
-    let { left, top, width, height, expandBtnSize } = node
-    node.children.forEach((item, index) => {
-      let x1 =
-        node.layerIndex === 0 ? left + width / 2 : left + width + expandBtnSize
-      let y1 = top + height / 2
-      let x2 = item.left
-      let y2 = item.top + item.height / 2
-      // 节点使用横线风格，需要额外渲染横线
-      let nodeUseLineStylePath = this.mindMap.themeConfig.nodeUseLineStyle
-        ? ` L ${item.left + item.width},${y2}`
-        : ''
-      let path = `M ${x1},${y1} L ${x2},${y2}` + nodeUseLineStylePath
-      lines[index].plot(path)
-      style && style(lines[index], item)
-    })
-  }
-
-  //  曲线风格连线
-
-  renderLineCurve(node, lines, style) {
-    if (node.children.length <= 0) {
-      return []
-    }
-    let { left, top, width, height, expandBtnSize } = node
-    node.children.forEach((item, index) => {
-      let x1 =
-        node.layerIndex === 0 ? left + width / 2 : left + width + expandBtnSize
-      let y1 = top + height / 2
-      let x2 = item.left
-      let y2 = item.top + item.height / 2
-      let path = ''
-      // 节点使用横线风格，需要额外渲染横线
-      let nodeUseLineStylePath = this.mindMap.themeConfig.nodeUseLineStyle
-        ? ` L ${item.left + item.width},${y2}`
-        : ''
-      if (node.isRoot) {
-        path = this.quadraticCurvePath(x1, y1, x2, y2) + nodeUseLineStylePath
-      } else {
-        path = this.cubicBezierPath(x1, y1, x2, y2) + nodeUseLineStylePath
-      }
-      lines[index].plot(path)
-      style && style(lines[index], item)
-    })
-  }
-
-  //  渲染按钮
-
-  renderExpandBtn(node, btn) {
-    let { width, height } = node
-    let { translateX, translateY } = btn.transform()
-    // 节点使用横线风格，需要调整展开收起按钮位置
-    let nodeUseLineStyleOffset = this.mindMap.themeConfig.nodeUseLineStyle
-      ? height / 2
-      : 0
-    btn.translate(
-      width - translateX,
-      height / 2 - translateY + nodeUseLineStyleOffset
-    )
-  }
-
-  //  创建概要节点
-
-  renderGeneralization(node, gLine, gNode) {
-    let {
-      top,
-      bottom,
-      right,
-      generalizationLineMargin,
-      generalizationNodeMargin
-    } = this.getNodeBoundaries(node, 'h')
-    let x1 = right + generalizationLineMargin
+import Base from './Base'
+import { walk, asyncRun } from '../utils'
+
+//  逻辑结构图
+
+class LogicalStructure extends Base {
+  //  构造函数
+
+  constructor(opt = {}) {
+    super(opt)
+  }
+
+  //  布局
+
+  doLayout(callback) {
+    let task = [
+      () => {
+        this.computedBaseValue()
+      },
+      () => {
+        this.computedTopValue()
+      },
+      () => {
+        this.adjustTopValue()
+      },
+      () => {
+        callback(this.root)
+      }
+    ]
+    asyncRun(task)
+  }
+
+  //  遍历数据计算节点的left、width、height
+
+  computedBaseValue() {
+    walk(
+      this.renderer.renderTree,
+      null,
+      (cur, parent, isRoot, layerIndex) => {
+        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
+          // 定位到父节点右侧
+          newNode.left =
+            parent._node.left + parent._node.width + this.getMarginX(layerIndex)
+        }
+        if (!cur.data.expand) {
+          return true
+        }
+      },
+      (cur, parent, isRoot, layerIndex) => {
+        // 返回时计算节点的areaHeight，也就是子节点所占的高度之和，包括外边距
+        let len = cur.data.expand === false ? 0 : cur._node.children.length
+        cur._node.childrenAreaHeight = len
+          ? cur._node.children.reduce((h, item) => {
+              return h + item.height
+            }, 0) +
+            (len + 1) * this.getMarginY(layerIndex + 1)
+          : 0
+      },
+      true,
+      0
+    )
+  }
+
+  //  遍历节点树计算节点的top
+
+  computedTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex) => {
+        if (
+          node.nodeData.data.expand &&
+          node.children &&
+          node.children.length
+        ) {
+          let marginY = this.getMarginY(layerIndex + 1)
+          // 第一个子节点的top值 = 该节点中心的top值 - 子节点的高度之和的一半
+          let top = node.top + node.height / 2 - node.childrenAreaHeight / 2
+          let totalTop = top + marginY
+          node.children.forEach(cur => {
+            cur.top = totalTop
+            totalTop += cur.height + marginY
+          })
+        }
+      },
+      null,
+      true
+    )
+  }
+
+  //  调整节点top
+
+  adjustTopValue() {
+    walk(
+      this.root,
+      null,
+      (node, parent, isRoot, layerIndex) => {
+        if (!node.nodeData.data.expand) {
+          return
+        }
+        // 判断子节点所占的高度之和是否大于该节点自身，大于则需要调整位置
+        let difference =
+          node.childrenAreaHeight -
+          this.getMarginY(layerIndex + 1) * 2 -
+          node.height
+        if (difference > 0) {
+          this.updateBrothers(node, difference / 2)
+        }
+      },
+      null,
+      true
+    )
+  }
+
+  //  更新兄弟节点的top
+
+  updateBrothers(node, addHeight) {
+    if (node.parent) {
+      let childrenList = node.parent.children
+      let index = childrenList.findIndex(item => {
+        return item === node
+      })
+      childrenList.forEach((item, _index) => {
+        if (item === node || item.hasCustomPosition()) {
+          // 适配自定义位置
+          return
+        }
+        let _offset = 0
+        // 上面的节点往上移
+        if (_index < index) {
+          _offset = -addHeight
+        } else if (_index > index) {
+          // 下面的节点往下移
+          _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.updateBrothers(node.parent, addHeight)
+    }
+  }
+
+  //  绘制连线，连接该节点到其子节点
+
+  renderLine(node, lines, style, lineStyle) {
+    if (lineStyle === 'curve') {
+      this.renderLineCurve(node, lines, style)
+    } else if (lineStyle === 'direct') {
+      this.renderLineDirect(node, lines, style)
+    } else {
+      this.renderLineStraight(node, lines, style)
+    }
+  }
+
+  //  直线风格连线
+
+  renderLineStraight(node, lines, style) {
+    if (node.children.length <= 0) {
+      return []
+    }
+    let { left, top, width, height, expandBtnSize } = node
+    let marginX = this.getMarginX(node.layerIndex + 1)
+    let s1 = (marginX - expandBtnSize) * 0.6
+    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
+    node.children.forEach((item, index) => {
+      let x1 =
+        node.layerIndex === 0 ? left + width : left + width + expandBtnSize
+      let y1 = top + height / 2
+      let x2 = item.left
+      let y2 = item.top + item.height / 2
+      // 节点使用横线风格，需要额外渲染横线
+      let nodeUseLineStyleOffset = nodeUseLineStyle
+        ? item.width
+        : 0
+      y1 = nodeUseLineStyle && !node.isRoot ? y1 + height / 2 : y1
+      y2 = nodeUseLineStyle ? y2 + item.height / 2 : y2
+      let path = `M ${x1},${y1} L ${x1 + s1},${y1} L ${x1 + s1},${y2} L ${
+        x2 + nodeUseLineStyleOffset
+      },${y2}`
+      lines[index].plot(path)
+      style && style(lines[index], item)
+    })
+  }
+
+  //  直连风格
+
+  renderLineDirect(node, lines, style) {
+    if (node.children.length <= 0) {
+      return []
+    }
+    let { left, top, width, height, expandBtnSize } = node
+    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
+    node.children.forEach((item, index) => {
+      let x1 =
+        node.layerIndex === 0 ? left + width / 2 : left + width + expandBtnSize
+      let y1 = top + height / 2
+      let x2 = item.left
+      let y2 = item.top + item.height / 2
+      y1 = nodeUseLineStyle && !node.isRoot ? y1 + height / 2 : y1
+      y2 = nodeUseLineStyle ? y2 + item.height / 2 : y2
+      // 节点使用横线风格，需要额外渲染横线
+      let nodeUseLineStylePath = nodeUseLineStyle
+        ? ` L ${item.left + item.width},${y2}`
+        : ''
+      let path = `M ${x1},${y1} L ${x2},${y2}` + nodeUseLineStylePath
+      lines[index].plot(path)
+      style && style(lines[index], item)
+    })
+  }
+
+  //  曲线风格连线
+
+  renderLineCurve(node, lines, style) {
+    if (node.children.length <= 0) {
+      return []
+    }
+    let { left, top, width, height, expandBtnSize } = node
+    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
+    node.children.forEach((item, index) => {
+      let x1 =
+        node.layerIndex === 0 ? left + width / 2 : left + width + expandBtnSize
+      let y1 = top + height / 2
+      let x2 = item.left
+      let y2 = item.top + item.height / 2
+      let path = ''
+      y1 = nodeUseLineStyle && !node.isRoot ? y1 + height / 2 : y1
+      y2 = nodeUseLineStyle ? y2 + item.height / 2 : y2
+      // 节点使用横线风格，需要额外渲染横线
+      let nodeUseLineStylePath = nodeUseLineStyle
+        ? ` L ${item.left + item.width},${y2}`
+        : ''
+      if (node.isRoot) {
+        path = this.quadraticCurvePath(x1, y1, x2, y2) + nodeUseLineStylePath
+      } else {
+        path = this.cubicBezierPath(x1, y1, x2, y2) + nodeUseLineStylePath
+      }
+      lines[index].plot(path)
+      style && style(lines[index], item)
+    })
+  }
+
+  //  渲染按钮
+
+  renderExpandBtn(node, btn) {
+    let { width, height } = node
+    let { translateX, translateY } = btn.transform()
+    // 节点使用横线风格，需要调整展开收起按钮位置
+    let nodeUseLineStyleOffset = this.mindMap.themeConfig.nodeUseLineStyle
+      ? height / 2
+      : 0
+    btn.translate(
+      width - translateX,
+      height / 2 - translateY + nodeUseLineStyleOffset
+    )
+  }
+
+  //  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 LogicalStructure
--- a/simple-mind-map/src/layouts/MindMap.js
+++ b/simple-mind-map/src/layouts/MindMap.js
@@ -208,11 +208,12 @@ class MindMap extends Base {
    let { left, top, width, height, expandBtnSize } = node
    let marginX = this.getMarginX(node.layerIndex + 1)
    let s1 = (marginX - expandBtnSize) * 0.6
+    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
    node.children.forEach((item, index) => {
      let x1 = 0
      let _s = 0
      // 节点使用横线风格，需要额外渲染横线
-      let nodeUseLineStyleOffset = this.mindMap.themeConfig.nodeUseLineStyle
+      let nodeUseLineStyleOffset = nodeUseLineStyle
        ? item.width
        : 0
      if (item.dir === 'left') {
@@ -226,6 +227,8 @@ class MindMap extends Base {
      let y1 = top + height / 2
      let x2 = item.dir === 'left' ? item.left + item.width : item.left
      let y2 = item.top + item.height / 2
+      y1 = nodeUseLineStyle && !node.isRoot ? y1 + height / 2 : y1
+      y2 = nodeUseLineStyle ? y2 + item.height / 2 : y2
      let path = `M ${x1},${y1} L ${x1 + _s},${y1} L ${x1 + _s},${y2} L ${
        x2 + nodeUseLineStyleOffset
      },${y2}`
@@ -241,6 +244,7 @@ class MindMap extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
    node.children.forEach((item, index) => {
      let x1 =
        node.layerIndex === 0
@@ -251,9 +255,11 @@ class MindMap extends Base {
      let y1 = top + height / 2
      let x2 = item.dir === 'left' ? item.left + item.width : item.left
      let y2 = item.top + item.height / 2
+      y1 = nodeUseLineStyle && !node.isRoot ? y1 + height / 2 : y1
+      y2 = nodeUseLineStyle ? y2 + item.height / 2 : y2
      // 节点使用横线风格，需要额外渲染横线
      let nodeUseLineStylePath = ''
-      if (this.mindMap.themeConfig.nodeUseLineStyle) {
+      if (nodeUseLineStyle) {
        if (item.dir === 'left') {
          nodeUseLineStylePath = ` L ${item.left},${y2}`
        } else {
@@ -273,6 +279,7 @@ class MindMap extends Base {
      return []
    }
    let { left, top, width, height, expandBtnSize } = node
+    let nodeUseLineStyle = this.mindMap.themeConfig.nodeUseLineStyle
    node.children.forEach((item, index) => {
      let x1 =
        node.layerIndex === 0
@@ -284,6 +291,8 @@ class MindMap extends Base {
      let x2 = item.dir === 'left' ? item.left + item.width : item.left
      let y2 = item.top + item.height / 2
      let path = ''
+      y1 = nodeUseLineStyle && !node.isRoot ? y1 + height / 2 : y1
+      y2 = nodeUseLineStyle ? y2 + item.height / 2 : y2
      // 节点使用横线风格，需要额外渲染横线
      let nodeUseLineStylePath = ''
      if (this.mindMap.themeConfig.nodeUseLineStyle) {
--- a/simple-mind-map/src/themes/default.js
+++ b/simple-mind-map/src/themes/default.js
@@ -1,142 +1,155 @@
-//  默认主题
-
-export default {
-  // 节点内边距
-  paddingX: 15,
-  paddingY: 5,
-  // 图片显示的最大宽度
-  imgMaxWidth: 100,
-  // 图片显示的最大高度
-  imgMaxHeight: 100,
-  // icon的大小
-  iconSize: 20,
-  // 连线的粗细
-  lineWidth: 1,
-  // 连线的颜色
-  lineColor: '#549688',
-  // 连线样式
-  lineDasharray: 'none',
-  // 连线风格
-  lineStyle: 'straight', // 针对logicalStructure、mindMap两种结构。曲线（curve）、直线（straight）、直连（direct）
-  // 概要连线的粗细
-  generalizationLineWidth: 1,
-  // 概要连线的颜色
-  generalizationLineColor: '#549688',
-  // 概要曲线距节点的距离
-  generalizationLineMargin: 0,
-  // 概要节点距节点的距离
-  generalizationNodeMargin: 20,
-  // 背景颜色
-  backgroundColor: '#fafafa',
-  // 背景图片
-  backgroundImage: 'none',
-  // 背景重复
-  backgroundRepeat: 'no-repeat',
-  // 节点使用横线样式
-  nodeUseLineStyle: false,
-  // 根节点样式
-  root: {
-    shape: 'rectangle',
-    fillColor: '#549688',
-    fontFamily: '微软雅黑, Microsoft YaHei',
-    color: '#fff',
-    fontSize: 16,
-    fontWeight: 'bold',
-    fontStyle: 'normal',
-    lineHeight: 1.5,
-    borderColor: 'transparent',
-    borderWidth: 0,
-    borderDasharray: 'none',
-    borderRadius: 5,
-    textDecoration: 'none',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
-  },
-  // 二级节点样式
-  second: {
-    shape: 'rectangle',
-    marginX: 100,
-    marginY: 40,
-    fillColor: '#fff',
-    fontFamily: '微软雅黑, Microsoft YaHei',
-    color: '#565656',
-    fontSize: 16,
-    fontWeight: 'noraml',
-    fontStyle: 'normal',
-    lineHeight: 1.5,
-    borderColor: '#549688',
-    borderWidth: 1,
-    borderDasharray: 'none',
-    borderRadius: 5,
-    textDecoration: 'none',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
-  },
-  // 三级及以下节点样式
-  node: {
-    shape: 'rectangle',
-    marginX: 50,
-    marginY: 0,
-    fillColor: 'transparent',
-    fontFamily: '微软雅黑, Microsoft YaHei',
-    color: '#6a6d6c',
-    fontSize: 14,
-    fontWeight: 'noraml',
-    fontStyle: 'normal',
-    lineHeight: 1.5,
-    borderColor: 'transparent',
-    borderWidth: 0,
-    borderRadius: 5,
-    borderDasharray: 'none',
-    textDecoration: 'none',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
-  },
-  // 概要节点样式
-  generalization: {
-    shape: 'rectangle',
-    marginX: 100,
-    marginY: 40,
-    fillColor: '#fff',
-    fontFamily: '微软雅黑, Microsoft YaHei',
-    color: '#565656',
-    fontSize: 16,
-    fontWeight: 'noraml',
-    fontStyle: 'normal',
-    lineHeight: 1.5,
-    borderColor: '#549688',
-    borderWidth: 1,
-    borderDasharray: 'none',
-    borderRadius: 5,
-    textDecoration: 'none',
-    active: {
-      borderColor: 'rgb(57, 80, 96)',
-      borderWidth: 3,
-      borderDasharray: 'none'
-    }
-  }
-}
-
-// 支持激活样式的属性
-// 简单来说，会改变节点大小的都不支持在激活时设置，为了性能考虑，节点切换激活态时不会重新计算节点大小
-export const supportActiveStyle = [
-  'fillColor',
-  'color',
-  'fontWeight',
-  'fontStyle',
-  'borderColor',
-  'borderWidth',
-  'borderDasharray',
-  'borderRadius',
-  'textDecoration'
-]
-
+//  默认主题
+
+export default {
+  // 节点内边距
+  paddingX: 15,
+  paddingY: 5,
+  // 图片显示的最大宽度
+  imgMaxWidth: 100,
+  // 图片显示的最大高度
+  imgMaxHeight: 100,
+  // icon的大小
+  iconSize: 20,
+  // 连线的粗细
+  lineWidth: 1,
+  // 连线的颜色
+  lineColor: '#549688',
+  // 连线样式
+  lineDasharray: 'none',
+  // 连线风格
+  lineStyle: 'straight', // 针对logicalStructure、mindMap两种结构。曲线（curve）、直线（straight）、直连（direct）
+  // 概要连线的粗细
+  generalizationLineWidth: 1,
+  // 概要连线的颜色
+  generalizationLineColor: '#549688',
+  // 概要曲线距节点的距离
+  generalizationLineMargin: 0,
+  // 概要节点距节点的距离
+  generalizationNodeMargin: 20,
+  // 关联线默认状态的粗细
+  associativeLineWidth: 2,
+  // 关联线默认状态的颜色
+  associativeLineColor: 'rgb(51, 51, 51)',
+  // 关联线激活状态的粗细
+  associativeLineActiveWidth: 8,
+  // 关联线激活状态的颜色
+  associativeLineActiveColor: 'rgba(2, 167, 240, 1)',
+  // 背景颜色
+  backgroundColor: '#fafafa',
+  // 背景图片
+  backgroundImage: 'none',
+  // 背景重复
+  backgroundRepeat: 'no-repeat',
+  // 设置背景图像的起始位置
+  backgroundPosition: 'center center',
+  // 设置背景图片大小
+  backgroundSize: 'cover',
+  // 节点使用横线样式
+  nodeUseLineStyle: false,
+  // 根节点样式
+  root: {
+    shape: 'rectangle',
+    fillColor: '#549688',
+    fontFamily: '微软雅黑, Microsoft YaHei',
+    color: '#fff',
+    fontSize: 16,
+    fontWeight: 'bold',
+    fontStyle: 'normal',
+    lineHeight: 1.5,
+    borderColor: 'transparent',
+    borderWidth: 0,
+    borderDasharray: 'none',
+    borderRadius: 5,
+    textDecoration: 'none',
+    active: {
+      borderColor: 'rgb(57, 80, 96)',
+      borderWidth: 3,
+      borderDasharray: 'none'
+    }
+  },
+  // 二级节点样式
+  second: {
+    shape: 'rectangle',
+    marginX: 100,
+    marginY: 40,
+    fillColor: '#fff',
+    fontFamily: '微软雅黑, Microsoft YaHei',
+    color: '#565656',
+    fontSize: 16,
+    fontWeight: 'noraml',
+    fontStyle: 'normal',
+    lineHeight: 1.5,
+    borderColor: '#549688',
+    borderWidth: 1,
+    borderDasharray: 'none',
+    borderRadius: 5,
+    textDecoration: 'none',
+    active: {
+      borderColor: 'rgb(57, 80, 96)',
+      borderWidth: 3,
+      borderDasharray: 'none'
+    }
+  },
+  // 三级及以下节点样式
+  node: {
+    shape: 'rectangle',
+    marginX: 50,
+    marginY: 0,
+    fillColor: 'transparent',
+    fontFamily: '微软雅黑, Microsoft YaHei',
+    color: '#6a6d6c',
+    fontSize: 14,
+    fontWeight: 'noraml',
+    fontStyle: 'normal',
+    lineHeight: 1.5,
+    borderColor: 'transparent',
+    borderWidth: 0,
+    borderRadius: 5,
+    borderDasharray: 'none',
+    textDecoration: 'none',
+    active: {
+      borderColor: 'rgb(57, 80, 96)',
+      borderWidth: 3,
+      borderDasharray: 'none'
+    }
+  },
+  // 概要节点样式
+  generalization: {
+    shape: 'rectangle',
+    marginX: 100,
+    marginY: 40,
+    fillColor: '#fff',
+    fontFamily: '微软雅黑, Microsoft YaHei',
+    color: '#565656',
+    fontSize: 16,
+    fontWeight: 'noraml',
+    fontStyle: 'normal',
+    lineHeight: 1.5,
+    borderColor: '#549688',
+    borderWidth: 1,
+    borderDasharray: 'none',
+    borderRadius: 5,
+    textDecoration: 'none',
+    active: {
+      borderColor: 'rgb(57, 80, 96)',
+      borderWidth: 3,
+      borderDasharray: 'none'
+    }
+  }
+}
+
+// 支持激活样式的属性
+// 简单来说，会改变节点大小的都不支持在激活时设置，为了性能考虑，节点切换激活态时不会重新计算节点大小
+export const supportActiveStyle = [
+  'fillColor',
+  'color',
+  'fontWeight',
+  'fontStyle',
+  'borderColor',
+  'borderWidth',
+  'borderDasharray',
+  'borderRadius',
+  'textDecoration'
+]
+
+export const lineStyleProps = ['lineColor', 'lineDasharray', 'lineWidth']
--- a/simple-mind-map/src/utils/associativeLineUtils.js
+++ b/simple-mind-map/src/utils/associativeLineUtils.js
@@ -0,0 +1,182 @@
+// 获取目标节点在起始节点的目标数组中的索引
+export const getAssociativeLineTargetIndex = (node, toNode) => {
+  return node.nodeData.data.associativeLineTargets.findIndex(item => {
+    return item === toNode.nodeData.data.id
+  })
+}
+
+// 计算贝塞尔曲线的控制点
+export const computeCubicBezierPathPoints = (x1, y1, x2, y2) => {
+  let cx1 = x1 + (x2 - x1) / 2
+  let cy1 = y1
+  let cx2 = cx1
+  let cy2 = y2
+  if (Math.abs(x1 - x2) <= 5) {
+    cx1 = x1 + (y2 - y1) / 2
+    cx2 = cx1
+  }
+  return [
+    {
+      x: cx1,
+      y: cy1
+    },
+    {
+      x: cx2,
+      y: cy2
+    }
+  ]
+}
+
+// 拼接贝塞尔曲线路径
+export const joinCubicBezierPath = (startPoint, endPoint, point1, point2) => {
+  return `M ${startPoint.x},${startPoint.y} C ${point1.x},${point1.y} ${point2.x},${point2.y} ${endPoint.x},${endPoint.y}`
+}
+
+//  获取节点的位置信息
+const getNodeRect = node => {
+  let { left, top, width, height } = node
+  return {
+    right: left + width,
+    bottom: top + height,
+    left,
+    top
+  }
+}
+
+// 三次贝塞尔曲线
+export const cubicBezierPath = (x1, y1, x2, y2) => {
+  let points = computeCubicBezierPathPoints(x1, y1, x2, y2)
+  return joinCubicBezierPath(
+    { x: x1, y: y1 },
+    { x: x2, y: y2 },
+    points[0],
+    points[1]
+  )
+}
+
+// 获取节点的连接点
+export const getNodePoint = (node, dir = 'right') => {
+  let { left, top, width, height } = node
+  switch (dir) {
+    case 'left':
+      return {
+        x: left,
+        y: top + height / 2
+      }
+    case 'right':
+      return {
+        x: left + width,
+        y: top + height / 2
+      }
+    case 'top':
+      return {
+        x: left + width / 2,
+        y: top
+      }
+    case 'bottom':
+      return {
+        x: left + width / 2,
+        y: top + height
+      }
+    default:
+      break
+  }
+}
+
+// 根据两个节点的位置计算节点的连接点
+export const computeNodePoints = (fromNode, toNode) => {
+  let fromRect = getNodeRect(fromNode)
+  let fromCx = (fromRect.right + fromRect.left) / 2
+  let fromCy = (fromRect.bottom + fromRect.top) / 2
+  let toRect = getNodeRect(toNode)
+  let toCx = (toRect.right + toRect.left) / 2
+  let toCy = (toRect.bottom + toRect.top) / 2
+  // 中心点坐标的差值
+  let offsetX = toCx - fromCx
+  let offsetY = toCy - fromCy
+  if (offsetX === 0 && offsetY === 0) return
+  let fromDir = ''
+  let toDir = ''
+  if (offsetX <= 0 && offsetX <= offsetY && offsetX <= -offsetY) {
+    // left
+    fromDir = 'left'
+    toDir = 'right'
+  } else if (offsetX > 0 && offsetX >= -offsetY && offsetX >= offsetY) {
+    // right
+    fromDir = 'right'
+    toDir = 'left'
+  } else if (offsetY <= 0 && offsetY < offsetX && offsetY < -offsetX) {
+    // up
+    fromDir = 'top'
+    toDir = 'bottom'
+  } else if (offsetY > 0 && -offsetY < offsetX && offsetY > offsetX) {
+    // down
+    fromDir = 'bottom'
+    toDir = 'top'
+  }
+  return [getNodePoint(fromNode, fromDir), getNodePoint(toNode, toDir)]
+}
+
+// 获取节点的关联线路径
+export const getNodeLinePath = (startPoint, endPoint, node, toNode) => {
+  let targetIndex = getAssociativeLineTargetIndex(node, toNode)
+  // 控制点
+  let controlPoints = []
+  let associativeLineTargetControlOffsets =
+    node.nodeData.data.associativeLineTargetControlOffsets
+  if (
+    associativeLineTargetControlOffsets &&
+    associativeLineTargetControlOffsets[targetIndex]
+  ) {
+    // 节点保存了控制点差值
+    let offsets = associativeLineTargetControlOffsets[targetIndex]
+    controlPoints = [
+      {
+        x: startPoint.x + offsets[0].x,
+        y: startPoint.y + offsets[0].y
+      },
+      {
+        x: endPoint.x + offsets[1].x,
+        y: endPoint.y + offsets[1].y
+      }
+    ]
+  } else {
+    // 没有保存控制点则生成默认的
+    controlPoints = computeCubicBezierPathPoints(
+      startPoint.x,
+      startPoint.y,
+      endPoint.x,
+      endPoint.y
+    )
+  }
+  // 根据控制点拼接贝塞尔曲线路径
+  return {
+    path: joinCubicBezierPath(
+      startPoint,
+      endPoint,
+      controlPoints[0],
+      controlPoints[1]
+    ),
+    controlPoints
+  }
+}
+
+// 获取默认的控制点差值
+export const getDefaultControlPointOffsets = (startPoint, endPoint) => {
+  let controlPoints = computeCubicBezierPathPoints(
+    startPoint.x,
+    startPoint.y,
+    endPoint.x,
+    endPoint.y
+  )
+  return [
+    {
+      x: controlPoints[0].x - startPoint.x,
+      y: controlPoints[0].y - startPoint.y
+    },
+    {
+      x: controlPoints[1].x - endPoint.x,
+      y: controlPoints[1].y - endPoint.y
+    }
+  ]
+}
--- a/simple-mind-map/src/utils/index.js
+++ b/simple-mind-map/src/utils/index.js
@@ -134,8 +134,10 @@ export const copyRenderTree = (tree, root) => {
 }

 //  复制节点树数据
-export const copyNodeTree = (tree, root, removeActiveState = false) => {
+export const copyNodeTree = (tree, root, removeActiveState = false, keepId = false) => {
  tree.data = simpleDeepClone(root.nodeData ? root.nodeData.data : root.data)
+  // 去除节点id，因为节点id不能重复
+  if (tree.data.id && !keepId) delete tree.data.id
  if (removeActiveState) {
    tree.data.isActive = false
  }
@@ -193,12 +195,12 @@ export const downloadFile = (file, fileName) => {
 //  节流函数
 export const throttle = (fn, time = 300, ctx) => {
  let timer = null
-  return () => {
+  return (...args) => {
    if (timer) {
      return
    }
    timer = setTimeout(() => {
-      fn.call(ctx)
+      fn.call(ctx, ...args)
      timer = null
    }, time)
  }
@@ -235,4 +237,34 @@ export const camelCaseToHyphen = (str) => {
  return str.replace(/([a-z])([A-Z])/g, (...args) => {
    return args[1] + '-' + args[2].toLowerCase()
  })
+}
+
+//计算节点的文本长宽
+let measureTextContext = null
+export const measureText = (text, { italic, bold, fontSize, fontFamily }) => {
+  const font = joinFontStr({
+    italic,
+    bold,
+    fontSize,
+    fontFamily
+  })
+  if (!measureTextContext) {
+    const canvas = document.createElement('canvas')
+    measureTextContext = canvas.getContext('2d')
+  }
+  measureTextContext.save()
+  measureTextContext.font = font
+  const {
+    width,
+    actualBoundingBoxAscent,
+    actualBoundingBoxDescent
+  } = measureTextContext.measureText(text)
+  measureTextContext.restore()
+  const height = actualBoundingBoxAscent + actualBoundingBoxDescent
+  return { width, height }
+}
+
+// 拼接font字符串
+export const joinFontStr = ({ italic, bold, fontSize, fontFamily }) => {
+  return `${italic ? 'italic ' : ''} ${bold ? 'bold ' : ''} ${fontSize}px ${fontFamily} `
 }
--- a/simple-mind-map/src/utils/simulateCSSBackgroundInCanvas.js
+++ b/simple-mind-map/src/utils/simulateCSSBackgroundInCanvas.js
@@ -0,0 +1,354 @@
+// 将以空格分隔的字符串值转换成成数字/单位/值数组
+const getNumberValueFromStr = value => {
+  let arr = String(value).split(/\s+/)
+  return arr.map(item => {
+    if (/^[\d.]+/.test(item)) {
+      // 数字+单位
+      let res = /^([\d.]+)(.*)$/.exec(item)
+      return [Number(res[1]), res[2]]
+    } else {
+      // 单个值
+      return item
+    }
+  })
+}
+
+// 缩放宽度
+const zoomWidth = (ratio, height) => {
+  // w / height = ratio
+  return ratio * height
+}
+
+// 缩放高度
+const zoomHeight = (ratio, width) => {
+  // width / h = ratio
+  return width / ratio
+}
+
+// 关键词到百分比值的映射
+const keyWordToPercentageMap = {
+  left: 0,
+  top: 0,
+  center: 50,
+  bottom: 100,
+  right: 100
+}
+
+// 模拟background-size
+const handleBackgroundSize = ({
+  backgroundSize,
+  drawOpt,
+  imageRatio,
+  canvasWidth,
+  canvasHeight,
+  canvasRatio
+}) => {
+  if (backgroundSize) {
+    // 将值转换成数组
+    let backgroundSizeValueArr = getNumberValueFromStr(backgroundSize)
+    // 两个值都为auto，那就相当于不设置
+    if (
+      backgroundSizeValueArr[0] === 'auto' &&
+      backgroundSizeValueArr[1] === 'auto'
+    ) {
+      return
+    }
+    // 值为cover
+    if (backgroundSizeValueArr[0] === 'cover') {
+      if (imageRatio > canvasRatio) {
+        // 图片的宽高比大于canvas的宽高比，那么图片高度缩放到和canvas的高度一致，宽度自适应
+        drawOpt.height = canvasHeight
+        drawOpt.width = zoomWidth(imageRatio, canvasHeight)
+      } else {
+        // 否则图片宽度缩放到和canvas的宽度一致，高度自适应
+        drawOpt.width = canvasWidth
+        drawOpt.height = zoomHeight(imageRatio, canvasWidth)
+      }
+      return
+    }
+    // 值为contain
+    if (backgroundSizeValueArr[0] === 'contain') {
+      if (imageRatio > canvasRatio) {
+        // 图片的宽高比大于canvas的宽高比，那么图片宽度缩放到和canvas的宽度一致，高度自适应
+        drawOpt.width = canvasWidth
+        drawOpt.height = zoomHeight(imageRatio, canvasWidth)
+      } else {
+        // 否则图片高度缩放到和canvas的高度一致，宽度自适应
+        drawOpt.height = canvasHeight
+        drawOpt.width = zoomWidth(imageRatio, canvasHeight)
+      }
+      return
+    }
+    // 图片宽度
+    let newNumberWidth = -1
+    if (backgroundSizeValueArr[0]) {
+      if (Array.isArray(backgroundSizeValueArr[0])) {
+        // 数字+单位类型
+        if (backgroundSizeValueArr[0][1] === '%') {
+          // %单位
+          drawOpt.width = (backgroundSizeValueArr[0][0] / 100) * canvasWidth
+          newNumberWidth = drawOpt.width
+        } else {
+          // 其他都认为是px单位
+          drawOpt.width = backgroundSizeValueArr[0][0]
+          newNumberWidth = backgroundSizeValueArr[0][0]
+        }
+      } else if (backgroundSizeValueArr[0] === 'auto') {
+        // auto类型，那么根据设置的新高度以图片原宽高比进行自适应
+        if (backgroundSizeValueArr[1]) {
+          if (backgroundSizeValueArr[1][1] === '%') {
+            // 高度为%单位
+            drawOpt.width = zoomWidth(
+              imageRatio,
+              (backgroundSizeValueArr[1][0] / 100) * canvasHeight
+            )
+          } else {
+            // 其他都认为是px单位
+            drawOpt.width = zoomWidth(imageRatio, backgroundSizeValueArr[1][0])
+          }
+        }
+      }
+    }
+    // 设置了图片高度
+    if (backgroundSizeValueArr[1] && Array.isArray(backgroundSizeValueArr[1])) {
+      // 数字+单位类型
+      if (backgroundSizeValueArr[1][1] === '%') {
+        // 高度为%单位
+        drawOpt.height = (backgroundSizeValueArr[1][0] / 100) * canvasHeight
+      } else {
+        // 其他都认为是px单位
+        drawOpt.height = backgroundSizeValueArr[1][0]
+      }
+    } else if (newNumberWidth !== -1) {
+      // 没有设置图片高度或者设置为auto，那么根据设置的新宽度以图片原宽高比进行自适应
+      drawOpt.height = zoomHeight(imageRatio, newNumberWidth)
+    }
+  }
+}
+
+// 模拟background-position
+const handleBackgroundPosition = ({
+  backgroundPosition,
+  drawOpt,
+  imgWidth,
+  imgHeight,
+  canvasWidth,
+  canvasHeight
+}) => {
+  if (backgroundPosition) {
+    // 将值转换成数组
+    let backgroundPositionValueArr = getNumberValueFromStr(backgroundPosition)
+    // 将关键词转为百分比
+    backgroundPositionValueArr = backgroundPositionValueArr.map(item => {
+      if (typeof item === 'string') {
+        return keyWordToPercentageMap[item] !== undefined
+          ? [keyWordToPercentageMap[item], '%']
+          : item
+      }
+      return item
+    })
+    if (Array.isArray(backgroundPositionValueArr[0])) {
+      if (backgroundPositionValueArr.length === 1) {
+        // 如果只设置了一个值，第二个默认为50%
+        backgroundPositionValueArr.push([50, '%'])
+      }
+      // 水平位置
+      if (backgroundPositionValueArr[0][1] === '%') {
+        // 单位为%
+        let canvasX = (backgroundPositionValueArr[0][0] / 100) * canvasWidth
+        let imgX = (backgroundPositionValueArr[0][0] / 100) * imgWidth
+        // 计算差值
+        drawOpt.x = canvasX - imgX
+      } else {
+        // 其他单位默认都为px
+        drawOpt.x = backgroundPositionValueArr[0][0]
+      }
+      // 垂直位置
+      if (backgroundPositionValueArr[1][1] === '%') {
+        // 单位为%
+        let canvasY = (backgroundPositionValueArr[1][0] / 100) * canvasHeight
+        let imgY = (backgroundPositionValueArr[1][0] / 100) * imgHeight
+        // 计算差值
+        drawOpt.y = canvasY - imgY
+      } else {
+        // 其他单位默认都为px
+        drawOpt.y = backgroundPositionValueArr[1][0]
+      }
+    }
+  }
+}
+
+// 模拟background-repeat
+const handleBackgroundRepeat = ({
+  ctx,
+  image,
+  backgroundRepeat,
+  drawOpt,
+  imgWidth,
+  imgHeight,
+  canvasWidth,
+  canvasHeight
+}) => {
+  if (backgroundRepeat) {
+    // 保存在handleBackgroundPosition中计算出来的x、y
+    let ox = drawOpt.x
+    let oy = drawOpt.y
+    // 计算ox和oy能平铺的图片数量
+    let oxRepeatNum = Math.ceil(ox / imgWidth)
+    let oyRepeatNum = Math.ceil(oy / imgHeight)
+    // 计算ox和oy第一张图片的位置
+    let oxRepeatX = ox - oxRepeatNum * imgWidth
+    let oxRepeatY = oy - oyRepeatNum * imgHeight
+    // 将值转换成数组
+    let backgroundRepeatValueArr = getNumberValueFromStr(backgroundRepeat)
+    // 不处理
+    if (
+      backgroundRepeatValueArr[0] === 'no-repeat' ||
+      (imgWidth >= canvasWidth && imgHeight >= canvasHeight)
+    ) {
+      return
+    }
+    // 水平平铺
+    if (backgroundRepeatValueArr[0] === 'repeat-x') {
+      if (canvasWidth > imgWidth) {
+        let x = oxRepeatX
+        while (x < canvasWidth) {
+          drawImage(ctx, image, {
+            ...drawOpt,
+            x
+          })
+          x += imgWidth
+        }
+        return true
+      }
+    }
+    // 垂直平铺
+    if (backgroundRepeatValueArr[0] === 'repeat-y') {
+      if (canvasHeight > imgHeight) {
+        let y = oxRepeatY
+        while (y < canvasHeight) {
+          drawImage(ctx, image, {
+            ...drawOpt,
+            y
+          })
+          y += imgHeight
+        }
+        return true
+      }
+    }
+    // 平铺
+    if (backgroundRepeatValueArr[0] === 'repeat') {
+      let x = oxRepeatX
+      while (x < canvasWidth) {
+        if (canvasHeight > imgHeight) {
+          let y = oxRepeatY
+          while (y < canvasHeight) {
+            drawImage(ctx, image, {
+              ...drawOpt,
+              x,
+              y
+            })
+            y += imgHeight
+          }
+        }
+        x += imgWidth
+      }
+      return true
+    }
+  }
+}
+
+// 根据参数绘制图片
+const drawImage = (ctx, image, drawOpt) => {
+  ctx.drawImage(
+    image,
+    drawOpt.sx,
+    drawOpt.sy,
+    drawOpt.swidth,
+    drawOpt.sheight,
+    drawOpt.x,
+    drawOpt.y,
+    drawOpt.width,
+    drawOpt.height
+  )
+}
+
+const drawBackgroundImageToCanvas = (
+  ctx,
+  width,
+  height,
+  img,
+  { backgroundSize, backgroundPosition, backgroundRepeat },
+  callback = () => {}
+) => {
+  // 画布的长宽比
+  let canvasRatio = width / height
+  // 加载图片
+  let image = new Image()
+  image.src = img
+  image.onload = () => {
+    // 图片的宽度及长宽比
+    let imgWidth = image.width
+    let imgHeight = image.height
+    let imageRatio = imgWidth / imgHeight
+    // 绘制图片
+    // drawImage方法的参数值
+    let drawOpt = {
+      sx: 0,
+      sy: 0,
+      swidth: imgWidth,
+      sheight: imgHeight,
+      x: 0,
+      y: 0,
+      width: imgWidth,
+      height: imgHeight
+    }
+    // 模拟background-size
+    handleBackgroundSize({
+      backgroundSize,
+      drawOpt,
+      imageRatio,
+      canvasWidth: width,
+      canvasHeight: height,
+      canvasRatio
+    })
+
+    // 模拟background-position
+    handleBackgroundPosition({
+      backgroundPosition,
+      drawOpt,
+      imgWidth: drawOpt.width,
+      imgHeight: drawOpt.height,
+      imageRatio,
+      canvasWidth: width,
+      canvasHeight: height,
+      canvasRatio
+    })
+
+    // 模拟background-repeat
+    let notNeedDraw = handleBackgroundRepeat({
+      ctx,
+      image,
+      backgroundRepeat,
+      drawOpt,
+      imgWidth: drawOpt.width,
+      imgHeight: drawOpt.height,
+      imageRatio,
+      canvasWidth: width,
+      canvasHeight: height,
+      canvasRatio
+    })
+
+    //  绘制图片
+    if (!notNeedDraw) {
+      drawImage(ctx, image, drawOpt)
+    }
+
+    callback()
+  }
+  image.onerror = e => {
+    callback(e)
+  }
+}
+
+export default drawBackgroundImageToCanvas
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -24,6 +24,7 @@
        "@vue/cli-plugin-eslint": "^4.5.0",
        "@vue/cli-service": "^4.5.0",
        "babel-eslint": "^10.1.0",
+        "chokidar": "^3.5.3",
        "eslint": "^6.7.2",
        "eslint-plugin-vue": "^6.2.2",
        "less": "^3.12.2",
@@ -3524,7 +3525,6 @@
      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
      "dev": true,
-      "optional": true,
      "engines": {
        "node": ">=8"
      }
@@ -4138,7 +4138,6 @@
          "url": "https://paulmillr.com/funding/"
        }
      ],
-      "optional": true,
      "dependencies": {
        "anymatch": "~3.1.2",
        "braces": "~3.0.2",
@@ -4160,7 +4159,6 @@
      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
      "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
      "dev": true,
-      "optional": true,
      "dependencies": {
        "fill-range": "^7.0.1"
      },
@@ -4173,7 +4171,6 @@
      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
      "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
      "dev": true,
-      "optional": true,
      "dependencies": {
        "to-regex-range": "^5.0.1"
      },
@@ -4186,7 +4183,6 @@
      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
      "dev": true,
-      "optional": true,
      "dependencies": {
        "is-glob": "^4.0.1"
      },
@@ -4199,7 +4195,6 @@
      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
      "dev": true,
-      "optional": true,
      "engines": {
        "node": ">=0.12.0"
      }
@@ -4209,7 +4204,6 @@
      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
      "dev": true,
-      "optional": true,
      "dependencies": {
        "is-number": "^7.0.0"
      },
@@ -8606,7 +8600,6 @@
      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
      "dev": true,
-      "optional": true,
      "dependencies": {
        "binary-extensions": "^2.0.0"
      },
@@ -12109,7 +12102,6 @@
      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
      "dev": true,
-      "optional": true,
      "dependencies": {
        "picomatch": "^2.2.1"
      },
@@ -17914,6 +17906,7 @@
      "integrity": "sha512-VCNRiAt2P/bLo09rYt3DLe6xXUMlhJwrvU18Ddd/lYJgC7s8+wvhgYs+MTx4OiAXdu58drGwSBO9SPx7C6J82Q==",
      "dev": true,
      "requires": {
+        "@babel/core": "^7.11.0",
        "@babel/helper-compilation-targets": "^7.9.6",
        "@babel/helper-module-imports": "^7.8.3",
        "@babel/plugin-proposal-class-properties": "^7.8.3",
@@ -17926,6 +17919,7 @@
        "@vue/babel-plugin-jsx": "^1.0.3",
        "@vue/babel-preset-jsx": "^1.2.4",
        "babel-plugin-dynamic-import-node": "^2.3.3",
+        "core-js": "^3.6.5",
        "core-js-compat": "^3.6.5",
        "semver": "^6.1.0"
      }
@@ -18943,8 +18937,7 @@
      "version": "2.2.0",
      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
-      "dev": true,
-      "optional": true
+      "dev": true
    },
    "bindings": {
      "version": "1.5.0",
@@ -19454,7 +19447,6 @@
      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
      "integrity": "sha512-Dr3sfKRP6oTcjf2JmUmFJfeVMvXBdegxB0iVQ5eb2V10uFJUCAS8OByZdVAyVb8xXNz3GjjTgj9kLWsZTqE6kw==",
      "dev": true,
-      "optional": true,
      "requires": {
        "anymatch": "~3.1.2",
        "braces": "~3.0.2",
@@ -19471,7 +19463,6 @@
          "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
          "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
          "dev": true,
-          "optional": true,
          "requires": {
            "fill-range": "^7.0.1"
          }
@@ -19481,7 +19472,6 @@
          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
          "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
          "dev": true,
-          "optional": true,
          "requires": {
            "to-regex-range": "^5.0.1"
          }
@@ -19491,7 +19481,6 @@
          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
          "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
          "dev": true,
-          "optional": true,
          "requires": {
            "is-glob": "^4.0.1"
          }
@@ -19500,15 +19489,13 @@
          "version": "7.0.0",
          "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
          "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
-          "dev": true,
-          "optional": true
+          "dev": true
        },
        "to-regex-range": {
          "version": "5.0.1",
          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
          "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
          "dev": true,
-          "optional": true,
          "requires": {
            "is-number": "^7.0.0"
          }
@@ -22941,7 +22928,6 @@
      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
      "dev": true,
-      "optional": true,
      "requires": {
        "binary-extensions": "^2.0.0"
      }
@@ -25800,7 +25786,6 @@
      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
      "dev": true,
-      "optional": true,
      "requires": {
        "picomatch": "^2.2.1"
      }
--- a/web/package.json
+++ b/web/package.json
@@ -6,9 +6,10 @@
    "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/index.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",
    "format": "prettier --write src/* src/*/* src/*/*/* src/*/*/*/*",
-    "buildDoc": "node ./scripts/buildDoc.js"
+    "buildDoc": "node ./scripts/buildDoc.js",
+    "autoBuildDoc": "node ./scripts/autoBuildDoc.js"
  },
  "dependencies": {
    "@toast-ui/editor": "^3.1.5",
@@ -27,6 +28,7 @@
    "@vue/cli-plugin-eslint": "^4.5.0",
    "@vue/cli-service": "^4.5.0",
    "babel-eslint": "^10.1.0",
+    "chokidar": "^3.5.3",
    "eslint": "^6.7.2",
    "eslint-plugin-vue": "^6.2.2",
    "less": "^3.12.2",
--- a/web/scripts/autoBuildDoc.js
+++ b/web/scripts/autoBuildDoc.js
@@ -0,0 +1,38 @@
+const chokidar = require('chokidar')
+const path = require('path')
+const fs = require('fs')
+const { exec } = require('node:child_process')
+const { transformMdToVue } = require('./transformMdToVue')
+
+const reBuildAll = () => {
+  exec(
+    'node ./buildDoc.js',
+    {
+      cwd: path.resolve(__dirname)
+    },
+    (error, msg) => {
+      console.log(error, msg)
+    }
+  )
+}
+
+const buildOne = file => {
+  let content = fs.readFileSync(file, 'utf-8')
+  let doc = transformMdToVue(content)
+  let destPath = path.join(path.dirname(file), './index.vue')
+  fs.writeFileSync(destPath, doc)
+}
+
+chokidar
+  .watch(path.join(__dirname, '../src/pages/Doc/'), {
+    ignoreInitial: true
+  })
+  .on('all', (event, file) => {
+    if (/\.md$/.test(file)) {
+      if (event === 'change') {
+        buildOne(file)
+      } else {
+        reBuildAll()
+      }
+    }
+  })
--- a/web/scripts/buildDoc.js
+++ b/web/scripts/buildDoc.js
@@ -1,24 +1,7 @@
 // 编译文档
 const path = require('path')
 const fs = require('fs')
-const hljs = require('highlight.js')
-const md = require('markdown-it')({
-  highlight: function(str, lang) {
-    if (lang && hljs.getLanguage(lang)) {
-      try {
-        return (
-          '<pre class="hljs"><code>' +
-          hljs.highlight(lang, str, true).value +
-          '</code></pre>'
-        )
-      } catch (__) {}
-    }
-
-    return (
-      '<pre class="hljs"><code>' + md.utils.escapeHtml(str) + '</code></pre>'
-    )
-  }
-}).use(require('markdown-it-checkbox'))
+const { transformMdToVue } = require('./transformMdToVue')

 // 文档语言种类
 let langList = ['zh', 'en']
@@ -48,15 +31,12 @@ const compilerDir = (dir, dirName, routerList) => {
 const compilerFile = (dir, file, dirName, routerList) => {
  let filePath = path.join(dir, file)
  let destPath = path.join(dir, './index.vue')
-  let templatePath = path.join(__dirname, '../src/pages/Doc/Template.vue')
  let content = fs.readFileSync(filePath, 'utf-8')
  let title = /(^|\n\r)\s*#\s+([^\n\r]+)/g.exec(content)
  if (title && title[2]) {
    addRouter(dirName, routerList, title[2])
  }
-  let result = md.render(content)
-  let template = fs.readFileSync(templatePath, 'utf-8')
-  let doc = template.replace('$$$$', result)
+  let doc = transformMdToVue(content)
  fs.writeFileSync(destPath, doc)
 }

--- a/web/scripts/transformMdToVue.js
+++ b/web/scripts/transformMdToVue.js
@@ -0,0 +1,31 @@
+const path = require('path')
+const fs = require('fs')
+const hljs = require('highlight.js')
+const md = require('markdown-it')({
+  highlight: function(str, lang) {
+    if (lang && hljs.getLanguage(lang)) {
+      try {
+        return (
+          '<pre class="hljs"><code>' +
+          hljs.highlight(str, {
+            language: lang, 
+            ignoreIllegals: true
+          }).value +
+          '</code></pre>'
+        )
+      } catch (__) {}
+    }
+
+    return (
+      '<pre class="hljs"><code>' + md.utils.escapeHtml(str) + '</code></pre>'
+    )
+  }
+}).use(require('markdown-it-checkbox'))
+
+const templatePath = path.join(__dirname, '../src/pages/Doc/Template.vue')
+
+exports.transformMdToVue = (content) => {
+    let result = md.render(content)
+    let template = fs.readFileSync(templatePath, 'utf-8')
+    return template.replace('$$$$', result)
+}
--- a/web/src/assets/icon-font/demo.css
+++ b/web/src/assets/icon-font/demo.css
@@ -1,539 +0,0 @@
-/* Logo 字体 */
-@font-face {
-  font-family: "iconfont logo";
-  src: url('https://at.alicdn.com/t/font_985780_km7mi63cihi.eot?t=1545807318834');
-  src: url('https://at.alicdn.com/t/font_985780_km7mi63cihi.eot?t=1545807318834#iefix') format('embedded-opentype'),
-    url('https://at.alicdn.com/t/font_985780_km7mi63cihi.woff?t=1545807318834') format('woff'),
-    url('https://at.alicdn.com/t/font_985780_km7mi63cihi.ttf?t=1545807318834') format('truetype'),
-    url('https://at.alicdn.com/t/font_985780_km7mi63cihi.svg?t=1545807318834#iconfont') format('svg');
-}
-
-.logo {
-  font-family: "iconfont logo";
-  font-size: 160px;
-  font-style: normal;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
-
-/* tabs */
-.nav-tabs {
-  position: relative;
-}
-
-.nav-tabs .nav-more {
-  position: absolute;
-  right: 0;
-  bottom: 0;
-  height: 42px;
-  line-height: 42px;
-  color: #666;
-}
-
-#tabs {
-  border-bottom: 1px solid #eee;
-}
-
-#tabs li {
-  cursor: pointer;
-  width: 100px;
-  height: 40px;
-  line-height: 40px;
-  text-align: center;
-  font-size: 16px;
-  border-bottom: 2px solid transparent;
-  position: relative;
-  z-index: 1;
-  margin-bottom: -1px;
-  color: #666;
-}
-
-
-#tabs .active {
-  border-bottom-color: #f00;
-  color: #222;
-}
-
-.tab-container .content {
-  display: none;
-}
-
-/* 页面布局 */
-.main {
-  padding: 30px 100px;
-  width: 960px;
-  margin: 0 auto;
-}
-
-.main .logo {
-  color: #333;
-  text-align: left;
-  margin-bottom: 30px;
-  line-height: 1;
-  height: 110px;
-  margin-top: -50px;
-  overflow: hidden;
-  *zoom: 1;
-}
-
-.main .logo a {
-  font-size: 160px;
-  color: #333;
-}
-
-.helps {
-  margin-top: 40px;
-}
-
-.helps pre {
-  padding: 20px;
-  margin: 10px 0;
-  border: solid 1px #e7e1cd;
-  background-color: #fffdef;
-  overflow: auto;
-}
-
-.icon_lists {
-  width: 100% !important;
-  overflow: hidden;
-  *zoom: 1;
-}
-
-.icon_lists li {
-  width: 100px;
-  margin-bottom: 10px;
-  margin-right: 20px;
-  text-align: center;
-  list-style: none !important;
-  cursor: default;
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-
-.icon_lists li .code-name {
-  line-height: 1.2;
-}
-
-.icon_lists .icon {
-  display: block;
-  height: 100px;
-  line-height: 100px;
-  font-size: 42px;
-  margin: 10px auto;
-  color: #333;
-  -webkit-transition: font-size 0.25s linear, width 0.25s linear;
-  -moz-transition: font-size 0.25s linear, width 0.25s linear;
-  transition: font-size 0.25s linear, width 0.25s linear;
-}
-
-.icon_lists .icon:hover {
-  font-size: 100px;
-}
-
-.icon_lists .svg-icon {
-  /* 通过设置 font-size 来改变图标大小 */
-  width: 1em;
-  /* 图标和文字相邻时，垂直对齐 */
-  vertical-align: -0.15em;
-  /* 通过设置 color 来改变 SVG 的颜色/fill */
-  fill: currentColor;
-  /* path 和 stroke 溢出 viewBox 部分在 IE 下会显示
-      normalize.css 中也包含这行 */
-  overflow: hidden;
-}
-
-.icon_lists li .name,
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-  color: #666;
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-
-/* markdown 样式 */
-.markdown {
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-
-.hljs-literal,
-.hljs-symbol,
-.hljs-bullet,
-.hljs-attribute {
-  color: #0086b3;
-}
-
-.hljs-section,
-.hljs-name {
-  color: #63a35c;
-}
-
-.hljs-tag {
-  color: #333333;
-}
-
-.hljs-title,
-.hljs-attr,
-.hljs-selector-id,
-.hljs-selector-class,
-.hljs-selector-attr,
-.hljs-selector-pseudo {
-  color: #795da3;
-}
-
-.hljs-addition {
-  color: #55a532;
-  background-color: #eaffea;
-}
-
-.hljs-deletion {
-  color: #bd2c00;
-  background-color: #ffecec;
-}
-
-.hljs-link {
-  text-decoration: underline;
-}
-
-/* 代码高亮 */
-/* PrismJS 1.15.0
-https://prismjs.com/download.html#themes=prism&languages=markup+css+clike+javascript */
-/**
- * prism.js default theme for JavaScript, CSS and HTML
- * Based on dabblet (http://dabblet.com)
- * @author Lea Verou
- */
-code[class*="language-"],
-pre[class*="language-"] {
-  color: black;
-  background: none;
-  text-shadow: 0 1px white;
-  font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
-  text-align: left;
-  white-space: pre;
-  word-spacing: normal;
-  word-break: normal;
-  word-wrap: normal;
-  line-height: 1.5;
-
-  -moz-tab-size: 4;
-  -o-tab-size: 4;
-  tab-size: 4;
-
-  -webkit-hyphens: none;
-  -moz-hyphens: none;
-  -ms-hyphens: none;
-  hyphens: none;
-}
-
-pre[class*="language-"]::-moz-selection,
-pre[class*="language-"] ::-moz-selection,
-code[class*="language-"]::-moz-selection,
-code[class*="language-"] ::-moz-selection {
-  text-shadow: none;
-  background: #b3d4fc;
-}
-
-pre[class*="language-"]::selection,
-pre[class*="language-"] ::selection,
-code[class*="language-"]::selection,
-code[class*="language-"] ::selection {
-  text-shadow: none;
-  background: #b3d4fc;
-}
-
-@media print {
-
-  code[class*="language-"],
-  pre[class*="language-"] {
-    text-shadow: none;
-  }
-}
-
-/* Code blocks */
-pre[class*="language-"] {
-  padding: 1em;
-  margin: .5em 0;
-  overflow: auto;
-}
-
-:not(pre)>code[class*="language-"],
-pre[class*="language-"] {
-  background: #f5f2f0;
-}
-
-/* Inline code */
-:not(pre)>code[class*="language-"] {
-  padding: .1em;
-  border-radius: .3em;
-  white-space: normal;
-}
-
-.token.comment,
-.token.prolog,
-.token.doctype,
-.token.cdata {
-  color: slategray;
-}
-
-.token.punctuation {
-  color: #999;
-}
-
-.namespace {
-  opacity: .7;
-}
-
-.token.property,
-.token.tag,
-.token.boolean,
-.token.number,
-.token.constant,
-.token.symbol,
-.token.deleted {
-  color: #905;
-}
-
-.token.selector,
-.token.attr-name,
-.token.string,
-.token.char,
-.token.builtin,
-.token.inserted {
-  color: #690;
-}
-
-.token.operator,
-.token.entity,
-.token.url,
-.language-css .token.string,
-.style .token.string {
-  color: #9a6e3a;
-  background: hsla(0, 0%, 100%, .5);
-}
-
-.token.atrule,
-.token.attr-value,
-.token.keyword {
-  color: #07a;
-}
-
-.token.function,
-.token.class-name {
-  color: #DD4A68;
-}
-
-.token.regex,
-.token.important,
-.token.variable {
-  color: #e90;
-}
-
-.token.important,
-.token.bold {
-  font-weight: bold;
-}
-
-.token.italic {
-  font-style: italic;
-}
-
-.token.entity {
-  cursor: help;
-}
--- a/web/src/assets/icon-font/demo_index.html
+++ b/web/src/assets/icon-font/demo_index.html
--- 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=1673600274529') format('woff2'),
-       url('iconfont.woff?t=1673600274529') format('woff'),
-       url('iconfont.ttf?t=1673600274529') format('truetype');
+  src: url('iconfont.woff2?t=1678955183884') format('woff2'),
+       url('iconfont.woff?t=1678955183884') format('woff'),
+       url('iconfont.ttf?t=1678955183884') format('truetype');
 }

 .iconfont {
@@ -13,6 +13,90 @@
  -moz-osx-font-smoothing: grayscale;
 }

+.iconlianjiexian:before {
+  content: "\e75b";
+}
+
+.iconbangzhu:before {
+  content: "\e620";
+}
+
+.iconshezhi:before {
+  content: "\e8b7";
+}
+
+.iconwushuju:before {
+  content: "\e643";
+}
+
+.iconzuijinliulan:before {
+  content: "\e62f";
+}
+
+.icon3zuidahua-3:before {
+  content: "\e692";
+}
+
+.iconzuixiaohua:before {
+  content: "\e650";
+}
+
+.iconzuidahua:before {
+  content: "\e651";
+}
+
+.iconguanbi:before {
+  content: "\e652";
+}
+
+.icondiannao:before {
+  content: "\eac0";
+}
+
+.iconzhuye:before {
+  content: "\e65c";
+}
+
+.iconbendi1x:before {
+  content: "\e606";
+}
+
+.iconbeijingyanse:before {
+  content: "\e6f8";
+}
+
+.iconqingchu:before {
+  content: "\e605";
+}
+
+.iconcase:before {
+  content: "\e6c6";
+}
+
+.iconxingzhuang-wenzi:before {
+  content: "\eb99";
+}
+
+.iconzitijiacu:before {
+  content: "\ec83";
+}
+
+.iconzitixiahuaxian:before {
+  content: "\ec85";
+}
+
+.iconzitixieti:before {
+  content: "\ec86";
+}
+
+.iconshanchuxian:before {
+  content: "\e612";
+}
+
+.iconzitiyanse:before {
+  content: "\e854";
+}
+
 .icongithub:before {
  content: "\e64f";
 }
--- a/web/src/assets/icon-font/iconfont.js
+++ b/web/src/assets/icon-font/iconfont.js
--- a/web/src/assets/icon-font/iconfont.json
+++ b/web/src/assets/icon-font/iconfont.json
@@ -1,331 +0,0 @@
-{
-  "id": "2479351",
-  "name": "思绪",
-  "font_family": "iconfont",
-  "css_prefix_text": "icon",
-  "description": "思维导图",
-  "glyphs": [
-    {
-      "icon_id": "8760187",
-      "name": "github",
-      "font_class": "github",
-      "unicode": "e64f",
-      "unicode_decimal": 58959
-    },
-    {
-      "icon_id": "1009019",
-      "name": "选择",
-      "font_class": "choose1",
-      "unicode": "e6c5",
-      "unicode_decimal": 59077
-    },
-    {
-      "icon_id": "493507",
-      "name": "主题",
-      "font_class": "zhuti",
-      "unicode": "e7aa",
-      "unicode_decimal": 59306
-    },
-    {
-      "icon_id": "1305460",
-      "name": "导出",
-      "font_class": "daochu1",
-      "unicode": "e63e",
-      "unicode_decimal": 58942
-    },
-    {
-      "icon_id": "4784101",
-      "name": "另存为",
-      "font_class": "lingcunwei",
-      "unicode": "e657",
-      "unicode_decimal": 58967
-    },
-    {
-      "icon_id": "9929033",
-      "name": "export",
-      "font_class": "export",
-      "unicode": "e642",
-      "unicode_decimal": 58946
-    },
-    {
-      "icon_id": "4570294",
-      "name": "打开",
-      "font_class": "dakai",
-      "unicode": "ebdf",
-      "unicode_decimal": 60383
-    },
-    {
-      "icon_id": "5086088",
-      "name": "新建",
-      "font_class": "xinjian",
-      "unicode": "e64e",
-      "unicode_decimal": 58958
-    },
-    {
-      "icon_id": "1117",
-      "name": "剪切",
-      "font_class": "jianqie",
-      "unicode": "e601",
-      "unicode_decimal": 58881
-    },
-    {
-      "icon_id": "1415523",
-      "name": "整理",
-      "font_class": "zhengli",
-      "unicode": "e83b",
-      "unicode_decimal": 59451
-    },
-    {
-      "icon_id": "2815710",
-      "name": "复制",
-      "font_class": "fuzhi",
-      "unicode": "e604",
-      "unicode_decimal": 58884
-    },
-    {
-      "icon_id": "11121506",
-      "name": "粘贴",
-      "font_class": "niantie",
-      "unicode": "e63f",
-      "unicode_decimal": 58943
-    },
-    {
-      "icon_id": "11383392",
-      "name": "上移",
-      "font_class": "shangyi",
-      "unicode": "e6be",
-      "unicode_decimal": 59070
-    },
-    {
-      "icon_id": "11383396",
-      "name": "下移",
-      "font_class": "xiayi",
-      "unicode": "e6bf",
-      "unicode_decimal": 59071
-    },
-    {
-      "icon_id": "14843439",
-      "name": "概括总览",
-      "font_class": "gaikuozonglan",
-      "unicode": "e609",
-      "unicode_decimal": 58889
-    },
-    {
-      "icon_id": "19738998",
-      "name": "全选",
-      "font_class": "quanxuan",
-      "unicode": "f199",
-      "unicode_decimal": 61849
-    },
-    {
-      "icon_id": "17606306",
-      "name": "导入",
-      "font_class": "daoru",
-      "unicode": "e6a3",
-      "unicode_decimal": 59043
-    },
-    {
-      "icon_id": "5110748",
-      "name": "后退-实",
-      "font_class": "houtui-shi",
-      "unicode": "e656",
-      "unicode_decimal": 58966
-    },
-    {
-      "icon_id": "14420971",
-      "name": "前进",
-      "font_class": "qianjin1",
-      "unicode": "e654",
-      "unicode_decimal": 58964
-    },
-    {
-      "icon_id": "1368553",
-      "name": "撤回",
-      "font_class": "withdraw",
-      "unicode": "e603",
-      "unicode_decimal": 58883
-    },
-    {
-      "icon_id": "15006636",
-      "name": "前进",
-      "font_class": "qianjin",
-      "unicode": "e600",
-      "unicode_decimal": 58880
-    },
-    {
-      "icon_id": "19980541",
-      "name": "恢复默认",
-      "font_class": "huifumoren",
-      "unicode": "e60e",
-      "unicode_decimal": 58894
-    },
-    {
-      "icon_id": "1616783",
-      "name": "换行",
-      "font_class": "huanhang",
-      "unicode": "e61e",
-      "unicode_decimal": 58910
-    },
-    {
-      "icon_id": "4777227",
-      "name": "缩小",
-      "font_class": "suoxiao",
-      "unicode": "ec13",
-      "unicode_decimal": 60435
-    },
-    {
-      "icon_id": "18811980",
-      "name": "编辑",
-      "font_class": "bianji",
-      "unicode": "e626",
-      "unicode_decimal": 58918
-    },
-    {
-      "icon_id": "21188137",
-      "name": "放大",
-      "font_class": "fangda",
-      "unicode": "e663",
-      "unicode_decimal": 58979
-    },
-    {
-      "icon_id": "21189639",
-      "name": "全屏",
-      "font_class": "quanping1",
-      "unicode": "e664",
-      "unicode_decimal": 58980
-    },
-    {
-      "icon_id": "397753",
-      "name": "定位",
-      "font_class": "dingwei",
-      "unicode": "e616",
-      "unicode_decimal": 58902
-    },
-    {
-      "icon_id": "2605158",
-      "name": "导航",
-      "font_class": "daohang",
-      "unicode": "e611",
-      "unicode_decimal": 58897
-    },
-    {
-      "icon_id": "6528451",
-      "name": "键盘",
-      "font_class": "jianpan",
-      "unicode": "e64d",
-      "unicode_decimal": 58957
-    },
-    {
-      "icon_id": "7556170",
-      "name": "全屏",
-      "font_class": "quanping",
-      "unicode": "e602",
-      "unicode_decimal": 58882
-    },
-    {
-      "icon_id": "788015",
-      "name": "导出",
-      "font_class": "daochu",
-      "unicode": "e63d",
-      "unicode_decimal": 58941
-    },
-    {
-      "icon_id": "2678575",
-      "name": "标签",
-      "font_class": "biaoqian",
-      "unicode": "e63c",
-      "unicode_decimal": 58940
-    },
-    {
-      "icon_id": "6265396",
-      "name": "流程-备注",
-      "font_class": "flow-Mark",
-      "unicode": "e65b",
-      "unicode_decimal": 58971
-    },
-    {
-      "icon_id": "1790486",
-      "name": "超链接",
-      "font_class": "chaolianjie",
-      "unicode": "e6f4",
-      "unicode_decimal": 59124
-    },
-    {
-      "icon_id": "4608986",
-      "name": "主题",
-      "font_class": "jingzi",
-      "unicode": "e610",
-      "unicode_decimal": 58896
-    },
-    {
-      "icon_id": "11903017",
-      "name": "笑脸",
-      "font_class": "xiaolian",
-      "unicode": "e60f",
-      "unicode_decimal": 58895
-    },
-    {
-      "icon_id": "19657962",
-      "name": "图 片",
-      "font_class": "image",
-      "unicode": "e629",
-      "unicode_decimal": 58921
-    },
-    {
-      "icon_id": "20784489",
-      "name": "结构",
-      "font_class": "jiegou",
-      "unicode": "e61d",
-      "unicode_decimal": 58909
-    },
-    {
-      "icon_id": "15969341",
-      "name": "样式",
-      "font_class": "yangshi",
-      "unicode": "e631",
-      "unicode_decimal": 58929
-    },
-    {
-      "icon_id": "2967176",
-      "name": "符号-大纲树",
-      "font_class": "fuhao-dagangshu",
-      "unicode": "e71f",
-      "unicode_decimal": 59167
-    },
-    {
-      "icon_id": "12316668",
-      "name": "添加子节点",
-      "font_class": "tianjiazijiedian",
-      "unicode": "e622",
-      "unicode_decimal": 58914
-    },
-    {
-      "icon_id": "14435368",
-      "name": "节点",
-      "font_class": "jiedian",
-      "unicode": "e655",
-      "unicode_decimal": 58965
-    },
-    {
-      "icon_id": "15765352",
-      "name": "删 除",
-      "font_class": "shanchu",
-      "unicode": "e696",
-      "unicode_decimal": 59030
-    },
-    {
-      "icon_id": "9592600",
-      "name": "HTSCIT_展开",
-      "font_class": "zhankai",
-      "unicode": "e64c",
-      "unicode_decimal": 58956
-    },
-    {
-      "icon_id": "9900009",
-      "name": "HTSCIT_展开2",
-      "font_class": "zhankai1",
-      "unicode": "e673",
-      "unicode_decimal": 58995
-    }
-  ]
-}
--- 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/config/en.js
+++ b/web/src/config/en.js
@@ -166,6 +166,22 @@ export const backgroundPositionList = [
  }
 ]

+// 背景图片大小
+export const backgroundSizeList = [
+  {
+    name: 'Auto',
+    value: 'auto'
+  },
+  {
+    name: 'Cover',
+    value: 'cover'
+  },
+  {
+    name: 'Contain',
+    value: 'contain'
+  }
+]
+
 // 快捷键列表
 export const shortcutKeyList = [
  {
--- a/web/src/config/index.js
+++ b/web/src/config/index.js
@@ -14,7 +14,8 @@ import {
  backgroundPositionList as backgroundPositionListZh,
  shortcutKeyList as shortcutKeyListZh,
  shapeList as shapeListZh,
-  sidebarTriggerList as sidebarTriggerListZh
+  sidebarTriggerList as sidebarTriggerListZh,
+  backgroundSizeList as backgroundSizeListZh
 } from './zh'
 import {
  fontFamilyList as fontFamilyListEn,
@@ -24,7 +25,8 @@ import {
  backgroundPositionList as backgroundPositionListEn,
  shortcutKeyList as shortcutKeyListEn,
  shapeList as shapeListEn,
-  sidebarTriggerList as sidebarTriggerListEn
+  sidebarTriggerList as sidebarTriggerListEn,
+  backgroundSizeList as backgroundSizeListEn
 } from './en'

 const fontFamilyList = {
@@ -52,6 +54,11 @@ const backgroundPositionList = {
  en: backgroundPositionListEn
 }

+const backgroundSizeList = {
+  zh: backgroundSizeListZh,
+  en: backgroundSizeListEn
+}
+
 const shortcutKeyList = {
  zh: shortcutKeyListZh,
  en: shortcutKeyListEn
@@ -81,6 +88,7 @@ export {
  lineStyleList,
  backgroundRepeatList,
  backgroundPositionList,
+  backgroundSizeList,
  shortcutKeyList,
  shapeList,
  sidebarTriggerList
--- a/web/src/config/zh.js
+++ b/web/src/config/zh.js
@@ -221,6 +221,22 @@ export const backgroundPositionList = [
  }
 ]

+// 背景图片大小
+export const backgroundSizeList = [
+  {
+    name: '自动',
+    value: 'auto'
+  },
+  {
+    name: '覆盖',
+    value: 'cover'
+  },
+  {
+    name: '保持',
+    value: 'contain'
+  }
+]
+
 // 数据存储
 export const store = {
  sidebarZIndex: 1 //侧边栏zIndex
--- a/web/src/lang/en_us.js
+++ b/web/src/lang/en_us.js
@@ -5,6 +5,8 @@ export default {
    color: 'Color',
    image: 'Image',
    imageRepeat: 'Image repeat',
+    imagePosition: 'Image position',
+    imageSize: 'Image size',
    line: 'Line',
    width: 'Width',
    style: 'Style',
@@ -32,7 +34,16 @@ export default {
    watermarkTextSpacing: 'Text spacing',
    watermarkAngle: 'Angle',
    watermarkTextOpacity: 'Text opacity',
-    watermarkTextFontSize: 'Font size'
+    watermarkTextFontSize: 'Font size',
+    isEnableNodeRichText: 'Enable node rich text editing',
+    mousewheelAction: 'Mouse wheel behavior',
+    zoomView: 'Zoom view',
+    moveViewUpDown: 'Move view up and down',
+    associativeLine: 'Associative line',
+    associativeLineWidth: 'Width',
+    associativeLineColor: 'Color',
+    associativeLineActiveWidth: 'Active width',
+    associativeLineActiveColor: 'Active color'
  },
  color: {
    moreColor: 'More color'
@@ -77,7 +88,13 @@ export default {
    imageFile: 'Image file',
    svgFile: 'svg file',
    pdfFile: 'pdf file',
-    tips: 'tips：.smm and .json file can be import'
+    tips: 'tips: .smm and .json file can be import',
+    domToImage: 'Whether to convert rich text nodes in svg into pictures',
+    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'
  },
  fullscreen: {
    fullscreenShow: 'Full screen show',
@@ -175,6 +192,11 @@ export default {
    saveAs: 'Save as',
    import: 'Import',
    export: 'Export',
-    shortcutKey: 'Shortcut key'
+    shortcutKey: 'Shortcut key',
+    associativeLine: 'Associative line',
+  },
+  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.'
  }
 }
--- a/web/src/lang/zh_cn.js
+++ b/web/src/lang/zh_cn.js
@@ -5,6 +5,8 @@ export default {
    color: '颜色',
    image: '图片',
    imageRepeat: '图片重复',
+    imagePosition: '图片位置',
+    imageSize: '图片大小',
    line: '连线',
    width: '粗细',
    style: '风格',
@@ -32,7 +34,16 @@ export default {
    watermarkTextSpacing: '水印文字间距',
    watermarkAngle: '旋转角度',
    watermarkTextOpacity: '文字透明度',
-    watermarkTextFontSize: '文字字号'
+    watermarkTextFontSize: '文字字号',
+    isEnableNodeRichText: '是否开启节点富文本编辑',
+    mousewheelAction: '鼠标滚轮行为',
+    zoomView: '缩放视图',
+    moveViewUpDown: '上下移动视图',
+    associativeLine: '关联线',
+    associativeLineWidth: '粗细',
+    associativeLineColor: '颜色',
+    associativeLineActiveWidth: '激活粗细',
+    associativeLineActiveColor: '激活颜色'
  },
  color: {
    moreColor: '更多颜色'
@@ -77,7 +88,13 @@ export default {
    imageFile: '图片文件',
    svgFile: 'svg文件',
    pdfFile: 'pdf文件',
-    tips: 'tips：.smm和.json文件可用于导入'
+    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',
+    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'
  },
  fullscreen: {
    fullscreenShow: '全屏查看',
@@ -175,6 +192,11 @@ export default {
    saveAs: '另存为',
    import: '导入',
    export: '导出',
-    shortcutKey: '快捷键'
+    shortcutKey: '快捷键',
+    associativeLine: '关联线',
+  },
+  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。'
  }
 }
--- a/web/src/pages/Doc/Index.vue
+++ b/web/src/pages/Doc/Index.vue
@@ -92,6 +92,10 @@ export default {
        margin: 10px 0;
      }

+      h4 {
+        margin-bottom: 10px;
+      }
+
      p {
        margin-bottom: 20px;
      }
--- a/web/src/pages/Doc/catalogList.js
+++ b/web/src/pages/Doc/catalogList.js
@@ -16,14 +16,18 @@ let APIList = [
  'node',
  'render',
  'view',
-  'miniMap',
-  'doExport',
-  'watermark',
  'keyCommand',
-  'keyboardNavigation',
  'command',
-  'select',
  'batchExecution',
+  'richText',
+  'select',
+  'drag',
+  'keyboardNavigation',
+  'doExport',
+  'miniMap',
+  'watermark',
+  'associativeLine',
+  'xmind',
  'utils'
 ]

--- a/web/src/pages/Doc/components/CatalogBar.vue
+++ b/web/src/pages/Doc/components/CatalogBar.vue
@@ -52,7 +52,6 @@ export default {
      this.onScroll()
    },
    lang(newVal, oldVal) {
-      console.log(newVal, oldVal)
      if (!oldVal) {
        return
      }
--- a/web/src/pages/Doc/en/associativeLine/index.md
+++ b/web/src/pages/Doc/en/associativeLine/index.md
@@ -0,0 +1,89 @@
+# AssociativeLine plugin
+
+> v0.4.5+
+
+> The function of adjusting associated line control points is supported from v0.4.6+
+
+This plugin is used to support the addition of associative lines.
+
+The plugin is currently not fully functional, and does not support adding text to association lines.
+
+## Register
+
+```js
+import MindMap from 'simple-mind-map'
+import AssociativeLine from 'simple-mind-map/src/AssociativeLine.js'
+
+MindMap.usePlugin(AssociativeLine)
+```
+
+After registration and instantiation of `MindMap`, the instance can be obtained through `mindMap.associativeLine`.
+
+## Config
+
+Support for modifying the thickness and color of associated lines, divided into default and active states. The configuration is as follows:
+
+- `associativeLineWidth`: The thickness of the default state of the associated line. The default value is `2`
+
+- `associativeLineColor`: Color of the default state of associative lines. The default value is `rgb(51, 51, 51)`
+
+- `associativeLineActiveWidth`: The thickness of the active state of the associated line. The default value is `8`
+
+- `associativeLineActiveColor`: The color of the active state of the associated line. The default value is `rgba(2, 167, 240, 1)`
+
+The configuration is provided as a theme, so if you want to modify these four properties, you can modify them using the `mindMap.setThemeConfig(config)` method.
+
+## Props
+
+### mindMap.associativeLine.lineList
+
+Currently, all connection line data, array types, and each item of the array are also an array:
+
+```js
+[
+    path, // Connector node
+    clickPath, // Invisible click line node
+    node, // Start node
+    toNode // Target node
+]
+```
+
+### mindMap.associativeLine.activeLine
+
+The currently active connection line and array type are the same as the structure of each item in the `lineList` array.
+
+## Methods
+
+### renderAllLines()
+
+Re-render all associated lines.
+
+### removeAllLines()
+
+Remove all associated lines.
+
+### createLineFromActiveNode()
+
+Create an associated line from the current active node. If there are multiple active nodes, the default is the first node.
+
+After calling this method, an association line will be rendered from the first active node to the current mouse real-time position. When a target node is clicked, it represents completion of creation. An association line will be rendered between the first active node and the clicked node.
+
+### createLine(fromNode)
+
+Creates an associative line starting at the specified node.
+
+After calling this method, an association line will be rendered from the specified node to the current mouse real-time position. When a target node is clicked, it represents completion of creation, and an association line will be rendered between the specified node and the clicked node.
+
+### addLine(fromNode, toNode)
+
+Add an associative line directly.
+
+Calling this method will directly create an association line from the `fromNode` to the `toNode` node.
+
+### removeLine()
+
+Deletes the currently active associative line. Clicking on an associated line is considered active.
+
+### clearActiveLine()
+
+Clears the active state of the currently active association line.
--- a/web/src/pages/Doc/en/associativeLine/index.vue
+++ b/web/src/pages/Doc/en/associativeLine/index.vue
@@ -0,0 +1,78 @@
+<template>
+  <div>
+    <h1>AssociativeLine plugin</h1>
+<blockquote>
+<p>v0.4.5+</p>
+</blockquote>
+<blockquote>
+<p>The function of adjusting associated line control points is supported from v0.4.6+</p>
+</blockquote>
+<p>This plugin is used to support the addition of associative lines.</p>
+<p>The plugin is currently not fully functional, and does not support adding text to association lines.</p>
+<h2>Register</h2>
+<pre class="hljs"><code><span class="hljs-keyword">import</span> MindMap <span class="hljs-keyword">from</span> <span class="hljs-string">&#x27;simple-mind-map&#x27;</span>
+<span class="hljs-keyword">import</span> AssociativeLine <span class="hljs-keyword">from</span> <span class="hljs-string">&#x27;simple-mind-map/src/AssociativeLine.js&#x27;</span>
+
+MindMap.usePlugin(AssociativeLine)
+</code></pre>
+<p>After registration and instantiation of <code>MindMap</code>, the instance can be obtained through <code>mindMap.associativeLine</code>.</p>
+<h2>Config</h2>
+<p>Support for modifying the thickness and color of associated lines, divided into default and active states. The configuration is as follows:</p>
+<ul>
+<li>
+<p><code>associativeLineWidth</code>: The thickness of the default state of the associated line. The default value is <code>2</code></p>
+</li>
+<li>
+<p><code>associativeLineColor</code>: Color of the default state of associative lines. The default value is <code>rgb(51, 51, 51)</code></p>
+</li>
+<li>
+<p><code>associativeLineActiveWidth</code>: The thickness of the active state of the associated line. The default value is <code>8</code></p>
+</li>
+<li>
+<p><code>associativeLineActiveColor</code>: The color of the active state of the associated line. The default value is <code>rgba(2, 167, 240, 1)</code></p>
+</li>
+</ul>
+<p>The configuration is provided as a theme, so if you want to modify these four properties, you can modify them using the <code>mindMap.setThemeConfig(config)</code> method.</p>
+<h2>Props</h2>
+<h3>mindMap.associativeLine.lineList</h3>
+<p>Currently, all connection line data, array types, and each item of the array are also an array:</p>
+<pre class="hljs"><code>[
+    path, <span class="hljs-comment">// Connector node</span>
+    clickPath, <span class="hljs-comment">// Invisible click line node</span>
+    node, <span class="hljs-comment">// Start node</span>
+    toNode <span class="hljs-comment">// Target node</span>
+]
+</code></pre>
+<h3>mindMap.associativeLine.activeLine</h3>
+<p>The currently active connection line and array type are the same as the structure of each item in the <code>lineList</code> array.</p>
+<h2>Methods</h2>
+<h3>renderAllLines()</h3>
+<p>Re-render all associated lines.</p>
+<h3>removeAllLines()</h3>
+<p>Remove all associated lines.</p>
+<h3>createLineFromActiveNode()</h3>
+<p>Create an associated line from the current active node. If there are multiple active nodes, the default is the first node.</p>
+<p>After calling this method, an association line will be rendered from the first active node to the current mouse real-time position. When a target node is clicked, it represents completion of creation. An association line will be rendered between the first active node and the clicked node.</p>
+<h3>createLine(fromNode)</h3>
+<p>Creates an associative line starting at the specified node.</p>
+<p>After calling this method, an association line will be rendered from the specified node to the current mouse real-time position. When a target node is clicked, it represents completion of creation, and an association line will be rendered between the specified node and the clicked node.</p>
+<h3>addLine(fromNode, toNode)</h3>
+<p>Add an associative line directly.</p>
+<p>Calling this method will directly create an association line from the <code>fromNode</code> to the <code>toNode</code> node.</p>
+<h3>removeLine()</h3>
+<p>Deletes the currently active associative line. Clicking on an associated line is considered active.</p>
+<h3>clearActiveLine()</h3>
+<p>Clears the active state of the currently active association line.</p>
+
+  </div>
+</template>
+
+<script>
+export default {
+
+}
+</script>
+
+<style>
+
+</style>
--- a/web/src/pages/Doc/en/changelog/index.md
+++ b/web/src/pages/Doc/en/changelog/index.md
@@ -1,5 +1,65 @@
 # Changelog

+## 0.4.6
+
+New: 1.Associated lines support adjusting control points.
+
+optimization: 1.When adding historical data, filter data that has not changed compared to the previous time.
+
+Fix: 1.Fixed a conflict between the direction keys and the navigation function of the direction keys during node editing. 2.Fixed the issue of node id loss when dragging a mobile node, which can cause associated lines to be lost.
+
+## 0.4.5
+
+New: 1.Supports associative lines. 2.You can also drag the canvas by holding down the root node. 3. Hold down the ctrl key to adjust multiple selected nodes.
+
+## 0.4.4
+
+New: Support horizontal scrolling in response to the mouse.
+
+## 0.4.3
+
+Fix: No trigger after forward and backward `data_ Change` event.
+
+New: Support user-defined mouse wheel events; The mouse wheel is adjusted to support zooming and moving the view up and down.
+
+## 0.4.2
+
+New: The `setText` method of the Node class adds a second parameter to support setting rich text content.
+
+## 0.4.1
+
+New: 1.Add and throw node mouseenter and mouseleave events; 2.Node rich text supports setting background color; 3.Node rich text supports clear style.
+
+Fix: 1.Mac system touchpad scaling is the opposite problem; 2.When the device window.devicePixelRatio is not 1, the size of the rich text node in the exported image will become larger when there are rich text nodes.
+
+## 0.4.0
+
+New: The node supports rich text editing.
+
+## 0.3.4
+
+New: Automatic line wrapping function is added to node text.
+
+Fix: 1.Fix the problem of deletion exceptions if there are root nodes in the batch deleted nodes. 2.Fix the problem that high node height will overlap with other nodes in the case of bottom edge style.
+
+## 0.3.3
+
+Fix: The root node text cannot wrap.
+
+## 0.3.2
+
+Fix: 1.Fix the problem that the node style is not updated when the secondary node is dragged to other nodes or other nodes are dragged to the secondary node; 2.Fix the problem that when the actual content of the mind map is larger than the screen width and height, the excess part is not watermarked when exporting.
+
+## 0.3.1
+
+Fix: 1.The problem that deleting the background image does not take effect; 2.The problem that the connector runs above the root node when the node is dragged to the root node.
+
+New: Add position and size settings for background image display. This setting is also supported for exported pictures.
+
+## 0.3.0
+
+Upgrade to plugin architecture, pull out some non-core functions as plugins, register as needed, and reduce the overall volume.
+
 ## 0.2.24

 New: Node free drag is changed to configurable, the default is `false`, not open; Support add watermark.
--- a/web/src/pages/Doc/en/changelog/index.vue
+++ b/web/src/pages/Doc/en/changelog/index.vue
@@ -1,6 +1,36 @@
 <template>
  <div>
    <h1>Changelog</h1>
+<h2>0.4.6</h2>
+<p>New: 1.Associated lines support adjusting control points.</p>
+<p>optimization: 1.When adding historical data, filter data that has not changed compared to the previous time.</p>
+<p>Fix: 1.Fixed a conflict between the direction keys and the navigation function of the direction keys during node editing. 2.Fixed the issue of node id loss when dragging a mobile node, which can cause associated lines to be lost.</p>
+<h2>0.4.5</h2>
+<p>New: 1.Supports associative lines. 2.You can also drag the canvas by holding down the root node. 3. Hold down the ctrl key to adjust multiple selected nodes.</p>
+<h2>0.4.4</h2>
+<p>New: Support horizontal scrolling in response to the mouse.</p>
+<h2>0.4.3</h2>
+<p>Fix: No trigger after forward and backward <code>data_ Change</code> event.</p>
+<p>New: Support user-defined mouse wheel events; The mouse wheel is adjusted to support zooming and moving the view up and down.</p>
+<h2>0.4.2</h2>
+<p>New: The <code>setText</code> method of the Node class adds a second parameter to support setting rich text content.</p>
+<h2>0.4.1</h2>
+<p>New: 1.Add and throw node mouseenter and mouseleave events; 2.Node rich text supports setting background color; 3.Node rich text supports clear style.</p>
+<p>Fix: 1.Mac system touchpad scaling is the opposite problem; 2.When the device window.devicePixelRatio is not 1, the size of the rich text node in the exported image will become larger when there are rich text nodes.</p>
+<h2>0.4.0</h2>
+<p>New: The node supports rich text editing.</p>
+<h2>0.3.4</h2>
+<p>New: Automatic line wrapping function is added to node text.</p>
+<p>Fix: 1.Fix the problem of deletion exceptions if there are root nodes in the batch deleted nodes. 2.Fix the problem that high node height will overlap with other nodes in the case of bottom edge style.</p>
+<h2>0.3.3</h2>
+<p>Fix: The root node text cannot wrap.</p>
+<h2>0.3.2</h2>
+<p>Fix: 1.Fix the problem that the node style is not updated when the secondary node is dragged to other nodes or other nodes are dragged to the secondary node; 2.Fix the problem that when the actual content of the mind map is larger than the screen width and height, the excess part is not watermarked when exporting.</p>
+<h2>0.3.1</h2>
+<p>Fix: 1.The problem that deleting the background image does not take effect; 2.The problem that the connector runs above the root node when the node is dragged to the root node.</p>
+<p>New: Add position and size settings for background image display. This setting is also supported for exported pictures.</p>
+<h2>0.3.0</h2>
+<p>Upgrade to plugin architecture, pull out some non-core functions as plugins, register as needed, and reduce the overall volume.</p>
 <h2>0.2.24</h2>
 <p>New: Node free drag is changed to configurable, the default is <code>false</code>, not open; Support add watermark.</p>
 <h2>0.2.23</h2>
--- a/web/src/pages/Doc/en/constructor/index.md
+++ b/web/src/pages/Doc/en/constructor/index.md
@@ -20,50 +20,6 @@ const mindMap = new MindMap({
 });
 ```

-## Xmind Parsing Method
-
-> v0.2.7+
-
-You can get the `Xmind` parsing method as follows:
-
-```js
-import MindMap from "simple-mind-map";
-
-console.log(MindMap.xmind);
-```
-
-The `MindMap.xmind` object has two methods attached:
-
-### parseXmindFile(file)
-
-Parsing the `.xmind` file and returning the parsed data. Note that this is
-complete data, including the node tree, theme, and structure. You can use
-`mindMap.setFullData(data)` to render the returned data to the canvas.
-
-`file`: `File` object
-
-### transformXmind(content)
-
-Convert `xmind` data. The `.xmind` file is essentially a `zip` file that can be
-decompressed by changing the suffix to zip. Inside, there is a `content.json`
-file. If you have parsed this file yourself, you can pass the contents of this
-file to this method for conversion. The converted data is the complete data,
-including the node tree, theme, structure, etc. You can use
-`mindMap.setFullData(data)` to render the returned data to the canvas.
-
-`content`: the contents of the `content.json` file within the `.xmind` zip
-package
-
-### transformOldXmind(content)
-
-> v0.2.8+
-
-For data parsing of the `xmind8` version, because the `.xmind` file in this
-version does not have a `content.json`, it corresponds to `content.xml`.
-
-`content`: the contents of the `content.xml` file within the `.xmind` zip
-package
-
 ## Instantiation options

 | Field Name                       | Type    | Default Value    | Description                                                  | Required |
@@ -84,6 +40,10 @@ package
 | readonly（v0.1.7+）              | Boolean | false            | Whether it is read-only mode                                 |          |
 | enableFreeDrag（v0.2.4+）        | Boolean | false            | Enable node free drag                                        |          |
 | watermarkConfig（v0.2.4+）       | Object  |                  | Watermark config, Please refer to the table 【Watermark config】 below for detailed configuration |          |
+| textAutoWrapWidth（v0.3.4+）     | Number  | 500 |   Each line of text in the node will wrap automatically when it reaches the width               |          |
+| customHandleMousewheel（v0.4.3+）     | Function  | null | User-defined mouse wheel event processing can pass a function, and the callback parameter is the event object |          |
+| mousewheelAction（v0.4.3+）     | String  | zoom | The behavior of the mouse wheel, `zoom`(Zoom in and out)、`move`(Move up and down). If `customHandleMousewheel` passes a custom function, this property will not take effect                 |          |
+| mousewheelMoveStep（v0.4.3+）     | Number  | 100 | When the `mousewheelAction` is set to `move`, you can use this attribute to control the step length of the view movement when the mouse scrolls. The unit is `px`  |          |

 ### Watermark config

@@ -125,16 +85,63 @@ mindMap.setTheme('Theme name')

 For all configurations of theme, please refer to [Default Topic](https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/themes/default.js). The `defineTheme`method will merge the configuration you passed in with the default configuration. Most of the themes  do not need custom many parts. For a typical customized theme configuration, please refer to [blueSky](https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/themes/blueSky.js).

+### usePlugin(plugin, opt = {})
+
+> v0.3.0+
+
+- `opt`：v0.4.0+，Plugin options. If a plugin supports custom options, it can be passed in through this parameter.
+
+If you need to use some non-core functions, such as mini map, watermark, etc, you can register plugin through this method. Can be called in chain.
+
+Note: The plugin needs to be registered before instantiating `MindMap`.
+
+### hasPlugin(plugin)
+
+> v0.4.0+
+
+Get whether a plugin is registered, The index of the plugin in the registered plugin list is returned, If it is `-1`, it means that the plugin is not registered.
+
+
+## Static props
+
+### pluginList
+
+> v0.3.0+
+
+List of all currently registered plugins.
+


 ## Instance methods

-### render()
+### getSvgData()
+
+> v0.3.0+
+
+Get the `svg` data and return an object. The detailed structure is as follows:
+
+```js
+{
+  svg, // Element, the overall svg element of the mind map graphics, including: svg (canvas container), g (actual mind map group)
+  svgHTML, // String, svg string, i.e. html string, can be directly rendered to the small map container you prepared
+  rect: // Object, position, size, etc. of mind map graphics before zoom
+  origWidth, // Number, canvas width
+  origHeight, // Number, canvas height
+  scaleX, // Number, horizontal zoom value of mind map graphics
+  scaleY, // Number, vertical zoom value of mind map graphics
+}
+```
+
+### render(callback)
+
+- `callback`: `v0.3.2+`, `Function`, Called when the re-rendering is complete

 Triggers a full rendering, which will reuse nodes for better performance. If
 only the node positions have changed, this method can be called to `reRender`.

-### reRender()
+### reRender(callback)
+
+- `callback`: `v0.3.2+`, `Function`, Called when the re-rendering is complete

 Performs a full re-render, clearing the canvas and creating new nodes. This has
 poor performance and should be used sparingly.
@@ -174,6 +181,8 @@ Listen to an event. Event list:
 | node_mouseup                     | Node mouseup event                                                       | this (node instance), e (event object)                                                                          |
 | node_dblclick                    | Node double-click event                                                  | this (node instance), e (event object)                                                                          |
 | node_contextmenu                 | Node right-click menu event                                              | e (event object), this (node instance)                                                                          |
+| node_mouseenter（v0.4.1+）       | Node mouseenter event     | this (node instance), e (event object)            |
+| node_mouseleave（v0.4.1+）       | Node mouseleave event     | this (node instance), e (event object)            |
 | before_node_active               | Event before node activation                                             | this (node instance), activeNodeList (current list of active nodes)                                             |
 | node_active                      | Node activation event                                                    | this (node instance), activeNodeList (current list of active nodes)                                             |
 | expand_btn_click                 | Node expand or collapse event                                            | this (node instance)                                                                                            |
@@ -182,6 +191,11 @@ Listen to an event. Event list:
 | scale                            | Zoom event                                                               | scale (zoom ratio)                                                                                              |
 | node_img_dblclick（v0.2.15+）    | Node image double-click event                                            | this (node instance), e (event object)                                                                          |
 | node_tree_render_end（v0.2.16+） | Node tree render end event                                               |                                                                                                                 |
+| rich_text_selection_change（v0.4.0+）         |  Available when the `RichText` plugin is registered. Triggered when the text selection area changes when the node is edited         |  hasRange（Whether there is a selection）、rectInfo（Size and location information of the selected area）、formatInfo（Text formatting information of the selected area）            |
+| transforming-dom-to-images（v0.4.0+）         |  Available when the `RichText` plugin is registered. When there is a `DOM` node in `svg`, the `DOM` node will be converted to an image when exporting to an image. This event will be triggered during the conversion process. You can use this event to prompt the user about the node to which you are currently converting         |  index（Index of the node currently converted to）、len（Total number of nodes to be converted）            |
+| node_dragging（v0.4.5+）    | Triggered when a node is dragged   |  node(The currently dragged node)           |
+| node_dragend（v0.4.5+）    | Triggered when the node is dragged and ends   |             |
+| associative_line_click（v0.4.5+）    |  Triggered when an associated line is clicked  |  path(Connector node)、clickPath(Invisible click line node)、node(Start node)、toNode(Target node)          |

 ### emit(event, ...args)

@@ -250,39 +264,39 @@ in the options table above.
 Executes a command, which will add a record to the history stack for undo or
 redo. All commands are as follows:

-| Command name                       | Description                                                                                                                                                                                                            | Parameters                                                                                                                                                                                                                                                                                                                                               |
-| ---------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| SELECT_ALL                         | Select all                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                                          |
-| BACK                               | Go back a specified number of steps                                                                                                                                                                                    | step (the number of steps to go back, default is 1)                                                                                                                                                                                                                                                                                                      |
-| FORWARD                            | Go forward a specified number of steps                                                                                                                                                                                 | step (the number of steps to go forward, default is 1)                                                                                                                                                                                                                                                                                                   |
-| INSERT_NODE                        | Insert a sibling node, the active node will be the operation node. If there are multiple active nodes, only the first one will be effective                                                                            |                                                                                                                                                                                                                                                                                                                                                          |
-| INSERT_CHILD_NODE                  | Insert a child node, the active node will be the operation node                                                                                                                                                        |                                                                                                                                                                                                                                                                                                                                                          |
-| UP_NODE                            | Move node up, the active node will be the operation node. If there are multiple active nodes, only the first one will be effective. Using this command on the root node or the first node in the list will be invalid  |                                                                                                                                                                                                                                                                                                                                                          |
-| DOWN_NODE                          | Move node down, the active node will be the operation node. If there are multiple active nodes, only the first one will be effective. Using this command on the root node or the last node in the list will be invalid |                                                                                                                                                                                                                                                                                                                                                          |
-| REMOVE_NODE                        | Remove node, the active node will be the operation node                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                                          |
-| PASTE_NODE                         | Paste node to a node, the active node will be the operation node                                                                                                                                                       | data (the node data to paste, usually obtained through the renderer.copyNode() and renderer.cutNode() methods)                                                                                                                                                                                                                                           |
-| SET_NODE_STYLE                     | Modify node style                                                                                                                                                                                                      | node (the node to set the style of), prop (style property), value (style property value), isActive (boolean, whether the style being set is for the active state)                                                                                                                                                                                        |
-| SET_NODE_ACTIVE                    | Set whether the node is active                                                                                                                                                                                         | node (the node to set), active (boolean, whether to activate)                                                                                                                                                                                                                                                                                            |
-| CLEAR_ACTIVE_NODE                  | Clear the active state of the currently active node(s), the active node will be the operation node                                                                                                                     |                                                                                                                                                                                                                                                                                                                                                          |
-| SET_NODE_EXPAND                    | Set whether the node is expanded                                                                                                                                                                                       | node (the node to set), expand (boolean, whether to expand)                                                                                                                                                                                                                                                                                              |
-| EXPAND_ALL                         | Expand all nodes                                                                                                                                                                                                       |                                                                                                                                                                                                                                                                                                                                                          |
-| UNEXPAND_ALL                       | Collapse all nodes                                                                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                                          |
-| UNEXPAND_TO_LEVEL (v0.2.8+)        | Expand to a specified level                                                                                                                                                                                            | level (the level to expand to, 1, 2, 3...)                                                                                                                                                                                                                                                                                                               |
-| SET_NODE_DATA                      | Update node data, that is, update the data in the data object of the node data object                                                                                                                                  | node (the node to set), data (object, the data to update, e.g. `{expand: true}`)                                                                                                                                                                                                                                                                         |
-| SET_NODE_TEXT                      | Set node text                                                                                                                                                                                                          | node (the node to set), text (the new text for the node)                                                                                                                                                                                                                                                                                                 |
-| SET_NODE_IMAGE                     | Set Node Image                                                                                                                                                                                                         | node (node to set), imgData (object, image information, structured as: `{url, title, width, height}`, the width and height of the image must be passed)                                                                                                                                                                                                  |
-| SET_NODE_ICON                      | Set Node Icon                                                                                                                                                                                                          | node (node to set), icons (array, predefined image names array, available icons can be obtained in the nodeIconList list in the [https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/svg/icons.js](https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/svg/icons.js) file, icon name is type_name, such as ['priority_1']) |
-| SET_NODE_HYPERLINK                 | Set Node Hyperlink                                                                                                                                                                                                     | node (node to set), link (hyperlink address), title (hyperlink name, optional)                                                                                                                                                                                                                                                                           |
-| SET_NODE_NOTE                      | Set Node Note                                                                                                                                                                                                          | node (node to set), note (note text)                                                                                                                                                                                                                                                                                                                     |
-| SET_NODE_TAG                       | Set Node Tag                                                                                                                                                                                                           | node (node to set), tag (string array, built-in color information can be obtained in [https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/utils/constant.js](https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/utils/constant.js))                                                                                       |
-| INSERT_AFTER (v0.1.5+)             | Move Node to After Another Node                                                                                                                                                                                        | node (node to move), exist (target node)                                                                                                                                                                                                                                                                                                                 |
-| INSERT_BEFORE (v0.1.5+)            | Move Node to Before Another Node                                                                                                                                                                                       | node (node to move), exist (target node)                                                                                                                                                                                                                                                                                                                 |
-| MOVE_NODE_TO (v0.1.5+)             | Move a node as a child of another node                                                                                                                                                                                 | node (the node to move), toNode (the target node)                                                                                                                                                                                                                                                                                                        |
-| ADD_GENERALIZATION (v0.2.0+)       | Add a node summary                                                                                                                                                                                                     | data (the data for the summary, in object format, all numerical fields of the node are supported, default is `{text: 'summary'}`)                                                                                                                                                                                                                        |
-| REMOVE_GENERALIZATION (v0.2.0+)    | Remove a node summary                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                          |
-| SET_NODE_CUSTOM_POSITION (v0.2.0+) | Set a custom position for a node                                                                                                                                                                                       | node (the node to set), left (custom x coordinate, default is undefined), top (custom y coordinate, default is undefined)                                                                                                                                                                                                                                |
-| RESET_LAYOUT (v0.2.0+)             | Arrange layout with one click                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                                          |
-| SET_NODE_SHAPE (v0.2.4+)           | Set the shape of a node                                                                                                                                                                                                | node (the node to set), shape (the shape, all shapes: https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/Shape.js)                                                                                                                                                                                                                       |
+| Command name                       | Description                                                  | Parameters                                                   |
+| ---------------------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
+| SELECT_ALL                         | Select all                                                   |                                                              |
+| BACK                               | Go back a specified number of steps                          | step (the number of steps to go back, default is 1)          |
+| FORWARD                            | Go forward a specified number of steps                       | step (the number of steps to go forward, default is 1)       |
+| INSERT_NODE                        | Insert a sibling node, the active node will be the operation node. If there are multiple active nodes, only the first one will be effective | openEdit（v0.4.6+, Whether to activate the newly inserted node and enter editing mode, default is `true`）                                                             |
+| INSERT_CHILD_NODE                  | Insert a child node, the active node will be the operation node |  openEdit（v0.4.6+, Whether to activate the newly inserted node and enter editing mode, default is `true`）                                                            |
+| UP_NODE                            | Move node up, the active node will be the operation node. If there are multiple active nodes, only the first one will be effective. Using this command on the root node or the first node in the list will be invalid |                                                              |
+| DOWN_NODE                          | Move node down, the active node will be the operation node. If there are multiple active nodes, only the first one will be effective. Using this command on the root node or the last node in the list will be invalid |                                                              |
+| REMOVE_NODE                        | Remove node, the active node will be the operation node      |                                                              |
+| PASTE_NODE                         | Paste node to a node, the active node will be the operation node | data (the node data to paste, usually obtained through the renderer.copyNode() and renderer.cutNode() methods) |
+| SET_NODE_STYLE                     | Modify node style                                            | node (the node to set the style of), prop (style property), value (style property value), isActive (boolean, whether the style being set is for the active state) |
+| SET_NODE_ACTIVE                    | Set whether the node is active                               | node (the node to set), active (boolean, whether to activate) |
+| CLEAR_ACTIVE_NODE                  | Clear the active state of the currently active node(s), the active node will be the operation node |                                                              |
+| SET_NODE_EXPAND                    | Set whether the node is expanded                             | node (the node to set), expand (boolean, whether to expand)  |
+| EXPAND_ALL                         | Expand all nodes                                             |                                                              |
+| UNEXPAND_ALL                       | Collapse all nodes                                           |                                                              |
+| UNEXPAND_TO_LEVEL (v0.2.8+)        | Expand to a specified level                                  | level (the level to expand to, 1, 2, 3...)                   |
+| SET_NODE_DATA                      | Update node data, that is, update the data in the data object of the node data object | node (the node to set), data (object, the data to update, e.g. `{expand: true}`) |
+| SET_NODE_TEXT                      | Set node text                                                | node (the node to set), text (the new text for the node), richText（v0.4.0+, If you want to set a rich text character, you need to set it to `true`） |
+| SET_NODE_IMAGE                     | Set Node Image                                               | node (node to set), imgData (object, image information, structured as: `{url, title, width, height}`, the width and height of the image must be passed) |
+| SET_NODE_ICON                      | Set Node Icon                                                | node (node to set), icons (array, predefined image names array, available icons can be obtained in the nodeIconList list in the [https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/svg/icons.js](https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/svg/icons.js) file, icon name is type_name, such as ['priority_1']) |
+| SET_NODE_HYPERLINK                 | Set Node Hyperlink                                           | node (node to set), link (hyperlink address), title (hyperlink name, optional) |
+| SET_NODE_NOTE                      | Set Node Note                                                | node (node to set), note (note text)                         |
+| SET_NODE_TAG                       | Set Node Tag                                                 | node (node to set), tag (string array, built-in color information can be obtained in [https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/utils/constant.js](https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/utils/constant.js)) |
+| INSERT_AFTER (v0.1.5+)             | Move Node to After Another Node                              | node (node to move), exist (target node)                     |
+| INSERT_BEFORE (v0.1.5+)            | Move Node to Before Another Node                             | node (node to move), exist (target node)                     |
+| MOVE_NODE_TO (v0.1.5+)             | Move a node as a child of another node                       | node (the node to move), toNode (the target node)            |
+| ADD_GENERALIZATION (v0.2.0+)       | Add a node summary                                           | data (the data for the summary, in object format, all numerical fields of the node are supported, default is `{text: 'summary'}`) |
+| REMOVE_GENERALIZATION (v0.2.0+)    | Remove a node summary                                        |                                                              |
+| SET_NODE_CUSTOM_POSITION (v0.2.0+) | Set a custom position for a node                             | node (the node to set), left (custom x coordinate, default is undefined), top (custom y coordinate, default is undefined) |
+| RESET_LAYOUT (v0.2.0+)             | Arrange layout with one click                                |                                                              |
+| SET_NODE_SHAPE (v0.2.4+)           | Set the shape of a node                                      | node (the node to set), shape (the shape, all shapes: https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/Shape.js) |

 ### setData(data)

@@ -311,6 +325,8 @@ view, etc. data

 ### export(type, isDownload, fileName)

+> You need to register the `Export` plugin first
+
 Export

 `type`: the type to be exported, optional values: png, svg, json, pdf (v0.2.1+),
@@ -327,4 +343,16 @@ map).
 > v0.1.5+

 Convert the coordinates of the browser's visible window to coordinates relative
-to the canvas.
+to the canvas.
+
+### addPlugin(plugin, opt)
+
+> v0.4.0+
+
+Register plugin, Use `MindMap.usePlugin` to register plugin only before instantiation, The registered plugin will not take effect after instantiation, So if you want to register the plugin after instantiation, you can use the `addPlugin` method of the instance.
+
+### removePlugin(plugin)
+
+> v0.4.0+
+
+Remove registered plugin, Plugins registered through the `usePlugin` or `addPlugin` methods can be removed.
--- a/web/src/pages/Doc/en/constructor/index.vue
+++ b/web/src/pages/Doc/en/constructor/index.vue
@@ -16,38 +16,6 @@
  }
 });
 </code></pre>
-<h2>Xmind Parsing Method</h2>
-<blockquote>
-<p>v0.2.7+</p>
-</blockquote>
-<p>You can get the <code>Xmind</code> parsing method as follows:</p>
-<pre class="hljs"><code><span class="hljs-keyword">import</span> MindMap <span class="hljs-keyword">from</span> <span class="hljs-string">&quot;simple-mind-map&quot;</span>;
-
-<span class="hljs-built_in">console</span>.log(MindMap.xmind);
-</code></pre>
-<p>The <code>MindMap.xmind</code> object has two methods attached:</p>
-<h3>parseXmindFile(file)</h3>
-<p>Parsing the <code>.xmind</code> file and returning the parsed data. Note that this is
-complete data, including the node tree, theme, and structure. You can use
-<code>mindMap.setFullData(data)</code> to render the returned data to the canvas.</p>
-<p><code>file</code>: <code>File</code> object</p>
-<h3>transformXmind(content)</h3>
-<p>Convert <code>xmind</code> data. The <code>.xmind</code> file is essentially a <code>zip</code> file that can be
-decompressed by changing the suffix to zip. Inside, there is a <code>content.json</code>
-file. If you have parsed this file yourself, you can pass the contents of this
-file to this method for conversion. The converted data is the complete data,
-including the node tree, theme, structure, etc. You can use
-<code>mindMap.setFullData(data)</code> to render the returned data to the canvas.</p>
-<p><code>content</code>: the contents of the <code>content.json</code> file within the <code>.xmind</code> zip
-package</p>
-<h3>transformOldXmind(content)</h3>
-<blockquote>
-<p>v0.2.8+</p>
-</blockquote>
-<p>For data parsing of the <code>xmind8</code> version, because the <code>.xmind</code> file in this
-version does not have a <code>content.json</code>, it corresponds to <code>content.xml</code>.</p>
-<p><code>content</code>: the contents of the <code>content.xml</code> file within the <code>.xmind</code> zip
-package</p>
 <h2>Instantiation options</h2>
 <table>
 <thead>
@@ -172,6 +140,34 @@ package</p>
 <td>Watermark config, Please refer to the table 【Watermark config】 below for detailed configuration</td>
 <td></td>
 </tr>
+<tr>
+<td>textAutoWrapWidth（v0.3.4+）</td>
+<td>Number</td>
+<td>500</td>
+<td>Each line of text in the node will wrap automatically when it reaches the width</td>
+<td></td>
+</tr>
+<tr>
+<td>customHandleMousewheel（v0.4.3+）</td>
+<td>Function</td>
+<td>null</td>
+<td>User-defined mouse wheel event processing can pass a function, and the callback parameter is the event object</td>
+<td></td>
+</tr>
+<tr>
+<td>mousewheelAction（v0.4.3+）</td>
+<td>String</td>
+<td>zoom</td>
+<td>The behavior of the mouse wheel, <code>zoom</code>(Zoom in and out)、<code>move</code>(Move up and down). If <code>customHandleMousewheel</code> passes a custom function, this property will not take effect</td>
+<td></td>
+</tr>
+<tr>
+<td>mousewheelMoveStep（v0.4.3+）</td>
+<td>Number</td>
+<td>100</td>
+<td>When the <code>mousewheelAction</code> is set to <code>move</code>, you can use this attribute to control the step length of the view movement when the mouse scrolls. The unit is <code>px</code></td>
+<td></td>
+</tr>
 </tbody>
 </table>
 <h3>Watermark config</h3>
@@ -239,11 +235,52 @@ MindMap.defineTheme(<span class="hljs-string">&#x27;Theme name&#x27;</span>, {})
 mindMap.setTheme(<span class="hljs-string">&#x27;Theme name&#x27;</span>)
 </code></pre>
 <p>For all configurations of theme, please refer to <a href="https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/themes/default.js">Default Topic</a>. The <code>defineTheme</code>method will merge the configuration you passed in with the default configuration. Most of the themes  do not need custom many parts. For a typical customized theme configuration, please refer to <a href="https://github.com/wanglin2/mind-map/blob/main/simple-mind-map/src/themes/blueSky.js">blueSky</a>.</p>
+<h3>usePlugin(plugin, opt = {})</h3>
+<blockquote>
+<p>v0.3.0+</p>
+</blockquote>
+<ul>
+<li><code>opt</code>：v0.4.0+，Plugin options. If a plugin supports custom options, it can be passed in through this parameter.</li>
+</ul>
+<p>If you need to use some non-core functions, such as mini map, watermark, etc, you can register plugin through this method. Can be called in chain.</p>
+<p>Note: The plugin needs to be registered before instantiating <code>MindMap</code>.</p>
+<h3>hasPlugin(plugin)</h3>
+<blockquote>
+<p>v0.4.0+</p>
+</blockquote>
+<p>Get whether a plugin is registered, The index of the plugin in the registered plugin list is returned, If it is <code>-1</code>, it means that the plugin is not registered.</p>
+<h2>Static props</h2>
+<h3>pluginList</h3>
+<blockquote>
+<p>v0.3.0+</p>
+</blockquote>
+<p>List of all currently registered plugins.</p>
 <h2>Instance methods</h2>
-<h3>render()</h3>
+<h3>getSvgData()</h3>
+<blockquote>
+<p>v0.3.0+</p>
+</blockquote>
+<p>Get the <code>svg</code> data and return an object. The detailed structure is as follows:</p>
+<pre class="hljs"><code>{
+  svg, <span class="hljs-comment">// Element, the overall svg element of the mind map graphics, including: svg (canvas container), g (actual mind map group)</span>
+  svgHTML, <span class="hljs-comment">// String, svg string, i.e. html string, can be directly rendered to the small map container you prepared</span>
+  <span class="hljs-attr">rect</span>: <span class="hljs-comment">// Object, position, size, etc. of mind map graphics before zoom</span>
+  origWidth, <span class="hljs-comment">// Number, canvas width</span>
+  origHeight, <span class="hljs-comment">// Number, canvas height</span>
+  scaleX, <span class="hljs-comment">// Number, horizontal zoom value of mind map graphics</span>
+  scaleY, <span class="hljs-comment">// Number, vertical zoom value of mind map graphics</span>
+}
+</code></pre>
+<h3>render(callback)</h3>
+<ul>
+<li><code>callback</code>: <code>v0.3.2+</code>, <code>Function</code>, Called when the re-rendering is complete</li>
+</ul>
 <p>Triggers a full rendering, which will reuse nodes for better performance. If
 only the node positions have changed, this method can be called to <code>reRender</code>.</p>
-<h3>reRender()</h3>
+<h3>reRender(callback)</h3>
+<ul>
+<li><code>callback</code>: <code>v0.3.2+</code>, <code>Function</code>, Called when the re-rendering is complete</li>
+</ul>
 <p>Performs a full re-render, clearing the canvas and creating new nodes. This has
 poor performance and should be used sparingly.</p>
 <h3>resize()</h3>
@@ -351,6 +388,16 @@ poor performance and should be used sparingly.</p>
 <td>e (event object), this (node instance)</td>
 </tr>
 <tr>
+<td>node_mouseenter（v0.4.1+）</td>
+<td>Node mouseenter event</td>
+<td>this (node instance), e (event object)</td>
+</tr>
+<tr>
+<td>node_mouseleave（v0.4.1+）</td>
+<td>Node mouseleave event</td>
+<td>this (node instance), e (event object)</td>
+</tr>
+<tr>
 <td>before_node_active</td>
 <td>Event before node activation</td>
 <td>this (node instance), activeNodeList (current list of active nodes)</td>
@@ -390,6 +437,31 @@ poor performance and should be used sparingly.</p>
 <td>Node tree render end event</td>
 <td></td>
 </tr>
+<tr>
+<td>rich_text_selection_change（v0.4.0+）</td>
+<td>Available when the <code>RichText</code> plugin is registered. Triggered when the text selection area changes when the node is edited</td>
+<td>hasRange（Whether there is a selection）、rectInfo（Size and location information of the selected area）、formatInfo（Text formatting information of the selected area）</td>
+</tr>
+<tr>
+<td>transforming-dom-to-images（v0.4.0+）</td>
+<td>Available when the <code>RichText</code> plugin is registered. When there is a <code>DOM</code> node in <code>svg</code>, the <code>DOM</code> node will be converted to an image when exporting to an image. This event will be triggered during the conversion process. You can use this event to prompt the user about the node to which you are currently converting</td>
+<td>index（Index of the node currently converted to）、len（Total number of nodes to be converted）</td>
+</tr>
+<tr>
+<td>node_dragging（v0.4.5+）</td>
+<td>Triggered when a node is dragged</td>
+<td>node(The currently dragged node)</td>
+</tr>
+<tr>
+<td>node_dragend（v0.4.5+）</td>
+<td>Triggered when the node is dragged and ends</td>
+<td></td>
+</tr>
+<tr>
+<td>associative_line_click（v0.4.5+）</td>
+<td>Triggered when an associated line is clicked</td>
+<td>path(Connector node)、clickPath(Invisible click line node)、node(Start node)、toNode(Target node)</td>
+</tr>
 </tbody>
 </table>
 <h3>emit(event, ...args)</h3>
@@ -459,12 +531,12 @@ redo. All commands are as follows:</p>
 <tr>
 <td>INSERT_NODE</td>
 <td>Insert a sibling node, the active node will be the operation node. If there are multiple active nodes, only the first one will be effective</td>
-<td></td>
+<td>openEdit（v0.4.6+, Whether to activate the newly inserted node and enter editing mode, default is <code>true</code>）</td>
 </tr>
 <tr>
 <td>INSERT_CHILD_NODE</td>
 <td>Insert a child node, the active node will be the operation node</td>
-<td></td>
+<td>openEdit（v0.4.6+, Whether to activate the newly inserted node and enter editing mode, default is <code>true</code>）</td>
 </tr>
 <tr>
 <td>UP_NODE</td>
@@ -529,7 +601,7 @@ redo. All commands are as follows:</p>
 <tr>
 <td>SET_NODE_TEXT</td>
 <td>Set node text</td>
-<td>node (the node to set), text (the new text for the node)</td>
+<td>node (the node to set), text (the new text for the node), richText（v0.4.0+, If you want to set a rich text character, you need to set it to <code>true</code>）</td>
 </tr>
 <tr>
 <td>SET_NODE_IMAGE</td>
@@ -617,6 +689,9 @@ redo. All commands are as follows:</p>
 includes the node tree, if <code>true</code> is passed, it will also include theme, layout,
 view, etc. data</p>
 <h3>export(type, isDownload, fileName)</h3>
+<blockquote>
+<p>You need to register the <code>Export</code> plugin first</p>
+</blockquote>
 <p>Export</p>
 <p><code>type</code>: the type to be exported, optional values: png, svg, json, pdf (v0.2.1+),
 smm (essentially also json)</p>
@@ -630,6 +705,16 @@ map).</p>
 </blockquote>
 <p>Convert the coordinates of the browser's visible window to coordinates relative
 to the canvas.</p>
+<h3>addPlugin(plugin, opt)</h3>
+<blockquote>
+<p>v0.4.0+</p>
+</blockquote>
+<p>Register plugin, Use <code>MindMap.usePlugin</code> to register plugin only before instantiation, The registered plugin will not take effect after instantiation, So if you want to register the plugin after instantiation, you can use the <code>addPlugin</code> method of the instance.</p>
+<h3>removePlugin(plugin)</h3>
+<blockquote>
+<p>v0.4.0+</p>
+</blockquote>
+<p>Remove registered plugin, Plugins registered through the <code>usePlugin</code> or <code>addPlugin</code> methods can be removed.</p>

  </div>
 </template>
--- a/web/src/pages/Doc/en/doExport/index.md
+++ b/web/src/pages/Doc/en/doExport/index.md
@@ -1,7 +1,17 @@
-# DoExport instance
+# Export plugin

-The `doExport` instance is responsible for exporting and can be obtained through
-`mindMap.doExport`.
+The `Export` plugin provides the export function.
+
+## Register
+
+```js
+import MindMap from 'simple-mind-map'
+import Export from 'simple-mind-map/src/Export.js'
+
+MindMap.usePlugin(Export)
+```
+
+After registration and instantiation of `MindMap`, the instance can be obtained through `mindMap.doExport`.

 ## Methods

@@ -10,19 +20,40 @@ The `doExport` instance is responsible for exporting and can be obtained through
 Exports as `png`, an async method that returns image data, `data:url` data which
 can be downloaded or displayed.

-### svg()
+### svg(name, domToImage = false, plusCssText)
+
+- `name`：`svg` title
+
+- `domToImage`：v0.4.0+, When node rich text editing is enabled, you can use this parameter to specify whether to convert the `dom` node in the `svg` into a picture
+
+- `plusCssText`：v0.4.0+, When node rich text editing is enabled and `domToImage` passes `false`, additional `css` styles can be added. If there is a `dom` node in `svg`, you can set some styles for the node through this parameter, such as:
+
+```js
+svg(
+  '', 
+  false, 
+  `* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+  }`
+)
+```

 Exports as `svg`, an async method that returns `svg` data, `data:url` data which
 can be downloaded or displayed.

-### getSvgData()
+### getSvgData(domToImage)
+
+- `domToImage`：v0.4.0+, If node rich text is enabled, you can use this parameter to specify whether to convert the `DOM` node embedded in `svg` into a picture.

 Gets `svg` data, an async method that returns an object:

 ```js
 {
  node; // svg object
-  str; // svg string
+  str; // svg string, if rich text editing is enabled and domToImage is set to true, the dom node in the svg character returned by this value will be converted into the form of an image
+  nodeWithDomToImg// v0.4.0+，The svg object after the DOM node is converted to an image has a value only when rich text editing is enabled and domToImage is set to true, otherwise null
 }
 ```

--- a/web/src/pages/Doc/en/doExport/index.vue
+++ b/web/src/pages/Doc/en/doExport/index.vue
@@ -1,20 +1,51 @@
 <template>
  <div>
-    <h1>DoExport instance</h1>
-<p>The <code>doExport</code> instance is responsible for exporting and can be obtained through
-<code>mindMap.doExport</code>.</p>
+    <h1>Export plugin</h1>
+<p>The <code>Export</code> plugin provides the export function.</p>
+<h2>Register</h2>
+<pre class="hljs"><code><span class="hljs-keyword">import</span> MindMap <span class="hljs-keyword">from</span> <span class="hljs-string">&#x27;simple-mind-map&#x27;</span>
+<span class="hljs-keyword">import</span> Export <span class="hljs-keyword">from</span> <span class="hljs-string">&#x27;simple-mind-map/src/Export.js&#x27;</span>
+
+MindMap.usePlugin(Export)
+</code></pre>
+<p>After registration and instantiation of <code>MindMap</code>, the instance can be obtained through <code>mindMap.doExport</code>.</p>
 <h2>Methods</h2>
 <h3>png()</h3>
 <p>Exports as <code>png</code>, an async method that returns image data, <code>data:url</code> data which
 can be downloaded or displayed.</p>
-<h3>svg()</h3>
+<h3>svg(name, domToImage = false, plusCssText)</h3>
+<ul>
+<li>
+<p><code>name</code>：<code>svg</code> title</p>
+</li>
+<li>
+<p><code>domToImage</code>：v0.4.0+, When node rich text editing is enabled, you can use this parameter to specify whether to convert the <code>dom</code> node in the <code>svg</code> into a picture</p>
+</li>
+<li>
+<p><code>plusCssText</code>：v0.4.0+, When node rich text editing is enabled and <code>domToImage</code> passes <code>false</code>, additional <code>css</code> styles can be added. If there is a <code>dom</code> node in <code>svg</code>, you can set some styles for the node through this parameter, such as:</p>
+</li>
+</ul>
+<pre class="hljs"><code>svg(
+  <span class="hljs-string">&#x27;&#x27;</span>, 
+  <span class="hljs-literal">false</span>, 
+  <span class="hljs-string">`* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+  }`</span>
+)
+</code></pre>
 <p>Exports as <code>svg</code>, an async method that returns <code>svg</code> data, <code>data:url</code> data which
 can be downloaded or displayed.</p>
-<h3>getSvgData()</h3>
+<h3>getSvgData(domToImage)</h3>
+<ul>
+<li><code>domToImage</code>：v0.4.0+, If node rich text is enabled, you can use this parameter to specify whether to convert the <code>DOM</code> node embedded in <code>svg</code> into a picture.</li>
+</ul>
 <p>Gets <code>svg</code> data, an async method that returns an object:</p>
 <pre class="hljs"><code>{
  node; <span class="hljs-comment">// svg object</span>
-  str; <span class="hljs-comment">// svg string</span>
+  str; <span class="hljs-comment">// svg string, if rich text editing is enabled and domToImage is set to true, the dom node in the svg character returned by this value will be converted into the form of an image</span>
+  nodeWithDomToImg<span class="hljs-comment">// v0.4.0+，The svg object after the DOM node is converted to an image has a value only when rich text editing is enabled and domToImage is set to true, otherwise null</span>
 }
 </code></pre>
 <h3>pdf(name)</h3>
--- a/web/src/pages/Doc/en/drag/index.md
+++ b/web/src/pages/Doc/en/drag/index.md
@@ -0,0 +1,21 @@
+# Drag plugin
+
+The `Drag` plugin provides the function of node dragging, including:
+
+1.Drag the node to move and change its position in the node tree, That is, as a child node, sibling node, etc. of other nodes
+
+2.Drag the node to the custom canvas location
+
+Please refer to the [Instantiation Options](/mind-map/#/doc/zh/constructor) of the `MindMap` class for configuration.
+
+## Register
+
+```js
+import MindMap from 'simple-mind-map'
+import Drag from 'simple-mind-map/src/Drag.js'
+
+MindMap.usePlugin(Drag)
+```
+
+After registration and instantiation of `MindMap`, the instance can be obtained through `mindMap.drag`.
+
--- a/web/src/pages/Doc/en/drag/index.vue
+++ b/web/src/pages/Doc/en/drag/index.vue
@@ -0,0 +1,27 @@
+<template>
+  <div>
+    <h1>Drag plugin</h1>
+<p>The <code>Drag</code> plugin provides the function of node dragging, including:</p>
+<p>1.Drag the node to move and change its position in the node tree, That is, as a child node, sibling node, etc. of other nodes</p>
+<p>2.Drag the node to the custom canvas location</p>
+<p>Please refer to the <a href="/mind-map/#/doc/zh/constructor">Instantiation Options</a> of the <code>MindMap</code> class for configuration.</p>
+<h2>Register</h2>
+<pre class="hljs"><code><span class="hljs-keyword">import</span> MindMap <span class="hljs-keyword">from</span> <span class="hljs-string">&#x27;simple-mind-map&#x27;</span>
+<span class="hljs-keyword">import</span> Drag <span class="hljs-keyword">from</span> <span class="hljs-string">&#x27;simple-mind-map/src/Drag.js&#x27;</span>
+
+MindMap.usePlugin(Drag)
+</code></pre>
+<p>After registration and instantiation of <code>MindMap</code>, the instance can be obtained through <code>mindMap.drag</code>.</p>
+
+  </div>
+</template>
+
+<script>
+export default {
+
+}
+</script>
+
+<style>
+
+</style>
--- a/web/src/pages/Doc/en/introduction/index.md
+++ b/web/src/pages/Doc/en/introduction/index.md
@@ -4,6 +4,7 @@

 ## Features

+- [x] Plugin architecture. In addition to core functions, other functions are provided as plugins, which can be used as needed to reduce the overall volume
 - [x] Supports four types of structures: logical structure diagrams, mind maps,
      organizational structure diagrams, and directory organization diagrams
 - [x] Built-in multiple themes and allows for highly customized styles, and support register new themes
@@ -16,7 +17,8 @@
 - [x] Supports free dragging and dragging to adjust nodes
 - [x] Supports various node shapes
 - [x] Supports export to json, png, svg, pdf, and import from json, xmind
- [x] Supports mini map
+- [x] Supports mini map、support watermark
+- [x] Supports associative lines

 ## Table of Contents

@@ -32,40 +34,38 @@ on `Vue2.x` and `ElementUI`. Features include:

 - [x] Toolbar, which supports inserting and deleting nodes, and editing node
      images, icons, hyperlinks, notes, tags, and summaries
-
 - [x] Sidebar, with panels for basic style settings, node style settings,
      outline, theme selection, and structure selection
-
 - [x] Import and export functionality; data is saved in the browser's local
      storage by default, but it also supports creating, opening, and editing
      local files on the computer directly
-
 - [x] Right-click menu, which supports operations such as expanding, collapsing,
      and organizing layout
-
 - [x] Bottom bar, which supports node and word count statistics, switching
      between edit and read-only modes, zooming in and out, and switching to
      full screen, support mini map

+Provide document page service.
+
 3.`dist`

 The folder containing the packaged resources for the `web` folder.

-4.`docs`
-
-Documentation, etc.
-
 ## Related Articles

 [Technical Analysis of Web Mind Map Implementation (chi)](https://juejin.cn/post/6987711560521089061)

 [Only a hundred lines of code are needed to add local file operation capability to your Web page. Are you sure not to try?](https://juejin.cn/post/7157681502506090510)

+[When you press the direction key, how does the TV find the next focus](https://juejin.cn/post/7199666255883927612)
+
+[How to simulate the background image style of css in canvas](https://juejin.cn/post/7204854015463538744)
+
 ## Special Note

 This project is rough and has not been thoroughly tested, its features are not
-yet fully developed, and there are some performance issues. It is only for
-learning and reference purposes and should not be used in actual projects.
+yet fully developed, and there are some performance issues, especially when the number of nodes is large. It is only for
+learning and reference purposes and please use it carefully for actual projects.

 The built-in themes and icons in the project come from:

--- a/web/src/pages/Doc/en/introduction/index.vue
+++ b/web/src/pages/Doc/en/introduction/index.vue
@@ -4,19 +4,21 @@
 <p><code>simple-mind-map</code> is a simple and powerful web mind map library, not dependent on any specific framework.</p>
 <h2>Features</h2>
 <ul>
-<li><input type="checkbox" id="checkbox16" checked="true"><label for="checkbox16">Supports four types of structures: logical structure diagrams, mind maps,</label>
+<li><input type="checkbox" id="checkbox36" checked="true"><label for="checkbox36">Plugin architecture. In addition to core functions, other functions are provided as plugins, which can be used as needed to reduce the overall volume</label></li>
+<li><input type="checkbox" id="checkbox37" checked="true"><label for="checkbox37">Supports four types of structures: logical structure diagrams, mind maps,</label>
 organizational structure diagrams, and directory organization diagrams</li>
-<li><input type="checkbox" id="checkbox17" checked="true"><label for="checkbox17">Built-in multiple themes and allows for highly customized styles, and support register new themes</label></li>
-<li><input type="checkbox" id="checkbox18" checked="true"><label for="checkbox18">Supports shortcuts</label></li>
-<li><input type="checkbox" id="checkbox19" checked="true"><label for="checkbox19">Node content supports images, icons, hyperlinks, notes, tags, and</label>
+<li><input type="checkbox" id="checkbox38" checked="true"><label for="checkbox38">Built-in multiple themes and allows for highly customized styles, and support register new themes</label></li>
+<li><input type="checkbox" id="checkbox39" checked="true"><label for="checkbox39">Supports shortcuts</label></li>
+<li><input type="checkbox" id="checkbox40" checked="true"><label for="checkbox40">Node content supports images, icons, hyperlinks, notes, tags, and</label>
 summaries</li>
-<li><input type="checkbox" id="checkbox20" checked="true"><label for="checkbox20">Supports forward and backward navigation</label></li>
-<li><input type="checkbox" id="checkbox21" checked="true"><label for="checkbox21">Supports dragging and scaling</label></li>
-<li><input type="checkbox" id="checkbox22" checked="true"><label for="checkbox22">Supports right-click and Ctrl + left-click to select multiple items</label></li>
-<li><input type="checkbox" id="checkbox23" checked="true"><label for="checkbox23">Supports free dragging and dragging to adjust nodes</label></li>
-<li><input type="checkbox" id="checkbox24" checked="true"><label for="checkbox24">Supports various node shapes</label></li>
-<li><input type="checkbox" id="checkbox25" checked="true"><label for="checkbox25">Supports export to json, png, svg, pdf, and import from json, xmind</label></li>
-<li><input type="checkbox" id="checkbox26" checked="true"><label for="checkbox26">Supports mini map</label></li>
+<li><input type="checkbox" id="checkbox41" checked="true"><label for="checkbox41">Supports forward and backward navigation</label></li>
+<li><input type="checkbox" id="checkbox42" checked="true"><label for="checkbox42">Supports dragging and scaling</label></li>
+<li><input type="checkbox" id="checkbox43" checked="true"><label for="checkbox43">Supports right-click and Ctrl + left-click to select multiple items</label></li>
+<li><input type="checkbox" id="checkbox44" checked="true"><label for="checkbox44">Supports free dragging and dragging to adjust nodes</label></li>
+<li><input type="checkbox" id="checkbox45" checked="true"><label for="checkbox45">Supports various node shapes</label></li>
+<li><input type="checkbox" id="checkbox46" checked="true"><label for="checkbox46">Supports export to json, png, svg, pdf, and import from json, xmind</label></li>
+<li><input type="checkbox" id="checkbox47" checked="true"><label for="checkbox47">Supports mini map、support watermark</label></li>
+<li><input type="checkbox" id="checkbox48" checked="true"><label for="checkbox48">Supports associative lines</label></li>
 </ul>
 <h2>Table of Contents</h2>
 <p>1.<code>simple-mind-map</code></p>
@@ -26,40 +28,31 @@ frameworks such as Vue and React, or without a framework.</p>
 <p>This is an online mind map built using the <code>simple-mind-map</code> library and based
 on <code>Vue2.x</code> and <code>ElementUI</code>. Features include:</p>
 <ul>
-<li>
-<p><input type="checkbox" id="checkbox27" checked="true"><label for="checkbox27">Toolbar, which supports inserting and deleting nodes, and editing node</label>
-images, icons, hyperlinks, notes, tags, and summaries</p>
-</li>
-<li>
-<p><input type="checkbox" id="checkbox28" checked="true"><label for="checkbox28">Sidebar, with panels for basic style settings, node style settings,</label>
-outline, theme selection, and structure selection</p>
-</li>
-<li>
-<p><input type="checkbox" id="checkbox29" checked="true"><label for="checkbox29">Import and export functionality; data is saved in the browser's local</label>
+<li><input type="checkbox" id="checkbox49" checked="true"><label for="checkbox49">Toolbar, which supports inserting and deleting nodes, and editing node</label>
+images, icons, hyperlinks, notes, tags, and summaries</li>
+<li><input type="checkbox" id="checkbox50" checked="true"><label for="checkbox50">Sidebar, with panels for basic style settings, node style settings,</label>
+outline, theme selection, and structure selection</li>
+<li><input type="checkbox" id="checkbox51" checked="true"><label for="checkbox51">Import and export functionality; data is saved in the browser's local</label>
 storage by default, but it also supports creating, opening, and editing
-local files on the computer directly</p>
-</li>
-<li>
-<p><input type="checkbox" id="checkbox30" checked="true"><label for="checkbox30">Right-click menu, which supports operations such as expanding, collapsing,</label>
-and organizing layout</p>
-</li>
-<li>
-<p><input type="checkbox" id="checkbox31" checked="true"><label for="checkbox31">Bottom bar, which supports node and word count statistics, switching</label>
+local files on the computer directly</li>
+<li><input type="checkbox" id="checkbox52" checked="true"><label for="checkbox52">Right-click menu, which supports operations such as expanding, collapsing,</label>
+and organizing layout</li>
+<li><input type="checkbox" id="checkbox53" checked="true"><label for="checkbox53">Bottom bar, which supports node and word count statistics, switching</label>
 between edit and read-only modes, zooming in and out, and switching to
-full screen, support mini map</p>
-</li>
+full screen, support mini map</li>
 </ul>
+<p>Provide document page service.</p>
 <p>3.<code>dist</code></p>
 <p>The folder containing the packaged resources for the <code>web</code> folder.</p>
-<p>4.<code>docs</code></p>
-<p>Documentation, etc.</p>
 <h2>Related Articles</h2>
 <p><a href="https://juejin.cn/post/6987711560521089061">Technical Analysis of Web Mind Map Implementation (chi)</a></p>
 <p><a href="https://juejin.cn/post/7157681502506090510">Only a hundred lines of code are needed to add local file operation capability to your Web page. Are you sure not to try?</a></p>
+<p><a href="https://juejin.cn/post/7199666255883927612">When you press the direction key, how does the TV find the next focus</a></p>
+<p><a href="https://juejin.cn/post/7204854015463538744">How to simulate the background image style of css in canvas</a></p>
 <h2>Special Note</h2>
 <p>This project is rough and has not been thoroughly tested, its features are not
-yet fully developed, and there are some performance issues. It is only for
-learning and reference purposes and should not be used in actual projects.</p>
+yet fully developed, and there are some performance issues, especially when the number of nodes is large. It is only for
+learning and reference purposes and please use it carefully for actual projects.</p>
 <p>The built-in themes and icons in the project come from:</p>
 <p><a href="https://naotu.baidu.com/">Baidu Mind Map</a></p>
 <p><a href="https://www.zhixi.com/">Zhixi Mind Map</a></p>
--- a/web/src/pages/Doc/en/keyboardNavigation/index.md
+++ b/web/src/pages/Doc/en/keyboardNavigation/index.md
@@ -1,8 +1,19 @@
-# KeyboardNavigation instance
+# KeyboardNavigation plugin

 > v0.2.17+

-`KeyboardNavigation` instance is responsible for handling keyboard navigation, that is, when you press the direction key, it will automatically find the next node and activate it, can be obtained through `mindMap.keyboardNavigation`
+`KeyboardNavigation` plugin provides keyboard navigation function, that is, when you press the direction key, it will automatically find the next node and activate it.
+
+## Register
+
+```js
+import MindMap from 'simple-mind-map'
+import KeyboardNavigation from 'simple-mind-map/src/KeyboardNavigation.js'
+
+MindMap.usePlugin(KeyboardNavigation)
+```
+
+After registration and instantiation of `MindMap`, the instance can be obtained through `mindMap.keyboardNavigation`.

 ## Methods

--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
wanglin2	e337da088b	打包0.4.6	2023-03-22 15:14:50 +08:00
wanglin2	de97ea9e75	兼容0.4.5版本的关联线	2023-03-22 14:40:07 +08:00
wanglin2	cc331065eb	修改文档	2023-03-22 13:49:47 +08:00
wanglin2	9a8e630654	Feature：支持调整关联线的控制点	2023-03-22 13:49:34 +08:00
wanglin2	17ab977efb	优化关联线的点击逻辑	2023-03-22 13:42:31 +08:00
wanglin2	6bd10d9451	1.demo：大纲支持点击后定位节点，支持添加节点；2.完善问题	2023-03-21 09:35:34 +08:00
wanglin2	5313b9b69c	1.优化重复的历史数据；2.修复节点编辑时的方向键冲突；3.修复拖拽节点的id丢失问题	2023-03-21 09:34:47 +08:00
wanglin2	8dcfdcc44a	更新二维码	2023-03-20 09:26:46 +08:00
wanglin2	67422df3ff	打包0.4.5	2023-03-18 21:54:20 +08:00
wanglin2	2ad7536eb7	优化关联线逻辑	2023-03-18 21:51:02 +08:00
wanglin2	6f56e5c4e6	完善文档	2023-03-17 23:06:14 +08:00
wanglin2	5ae8ebe590	Feature:1.优化关联线创建,2.支持按住ctrl键多选和取消多选节点	2023-03-17 23:00:25 +08:00
wanglin2	6ecb97e4e5	Feature：按住根节点也可以拖动画布	2023-03-17 17:03:56 +08:00
wanglin2	c8f938dd3e	Fix：修复创建关联线时节点激活状态未清除的问题	2023-03-17 16:57:30 +08:00
wanglin2	0d29e29162	完善文档	2023-03-17 16:24:22 +08:00
wanglin2	be1b3dffce	demo支持关联线功能	2023-03-17 15:39:07 +08:00
wanglin2	3ba2dbe415	Feature：新增关联线功能	2023-03-17 15:38:38 +08:00
wanglin2	19a96c92a9	新增图标	2023-03-17 14:43:23 +08:00
wanglin2	c265e3e437	打包0.4.4	2023-03-14 09:45:27 +08:00
wanglin2	7434ac2648	Feature：支持响应鼠标的横向滚动	2023-03-08 16:04:26 +08:00
wanglin2	63d73a73aa	打包0.4.3	2023-03-08 09:43:11 +08:00
wanglin2	00f9258a4d	更新文档	2023-03-08 09:39:05 +08:00
wanglin2	7087b43d39	Fix：修复前进后退没有触发data_change事件的问题；Feature：鼠标滚轮事件支持自定义	2023-03-08 09:38:46 +08:00
wanglin2	945a78b7b1	去除docs目录，更新群二维码	2023-03-06 14:26:02 +08:00
wanglin2	55acc19ab8	打包0.4.2	2023-03-01 09:24:51 +08:00
wanglin2	410f0be05e	Fetaure：Node类的setText方法增加第二个参数，以支持设置富文本内容	2023-03-01 09:17:45 +08:00
wanglin2	2d7c091071	打包0.4.1	2023-02-27 15:31:52 +08:00
wanglin2	9bf58a54ce	Feature：节点富文本编辑支持清除文字样式	2023-02-27 15:19:56 +08:00
wanglin2	231adeea44	Feature：富文本支持设置背景颜色	2023-02-27 14:58:01 +08:00
wanglin2	0ea618af39	Fix:1.Mac系统触控板缩放方向相反的问题;2.设备像素比不为1时导出图片中富文本节点尺寸变大的问题.Feater:节点抛出鼠标移入和移出事件	2023-02-26 10:07:03 +08:00
wanglin2	f66297ff99	打包0.4.0	2023-02-25 10:11:16 +08:00
wanglin2	3113bf2e1f	完善文档	2023-02-24 17:14:48 +08:00
wanglin2	8c114dac02	Feature：支持节点富文本编辑	2023-02-24 17:14:24 +08:00
wanglin2	06dba79272	新增图标	2023-02-24 17:13:07 +08:00
wanglin2	8441986ca7	修改文档	2023-02-20 19:25:59 +08:00
wanglin2	c8b50908e1	Fix：修复底边风格的情况下，节点高度过高会和其他节点重叠的问题	2023-02-20 15:10:27 +08:00
wanglin2	7e11fde892	打包0.3.4	2023-02-20 11:30:15 +08:00
wanglin2	3d9f3bd7a8	Fix：修复批量删除的节点中如果存在根节点会出现删除异常的问题	2023-02-20 11:26:26 +08:00
wanglin2	46e11649b0	优化节点文本编辑	2023-02-20 11:02:04 +08:00
wanglin2	161ef7590c	feature：节点文本增加自动换行功能	2023-02-20 10:14:34 +08:00
wanglin2	ca660a3c74	打包0.3.3	2023-02-14 09:38:38 +08:00
wanglin2	7a24872331	Fix：修复根节点无法黄的问题	2023-02-14 09:35:56 +08:00
wanglin2	eb4ea9fb3a	打包0.3.2	2023-02-03 11:13:58 +08:00
wanglin2	64228c02ff	修复当思维导图实际内容大于屏幕宽高时，导出的时候超出的部分没有绘制水印的问题	2023-02-03 11:09:43 +08:00
wanglin2	f184a5d948	修复二级节点拖拽到其他节点或其他节点拖拽到二级节点时节点样式没有更新的问题	2023-02-03 10:40:06 +08:00
wanglin2	0bf5b2d6f7	打包0.3.1	2023-02-01 16:30:29 +08:00
wanglin2	74a52ea386	导出d的图片支持background-size/position/repeat属性效果	2023-02-01 16:25:57 +08:00
wanglin2	9914eef5b9	修改文档	2023-01-31 15:06:24 +08:00
wanglin2	f547f741f2	1.修复删除背景图片不生效的问题；2.背景图片展示增加位置和大小设置;3.修复节点拖拽到根节点时连接线跑到根节点上方的问题	2023-01-31 15:04:38 +08:00
wanglin2	c26149fa42	修复demo设置了水印页面刷新后生效的问题	2023-01-31 13:35:46 +08:00
wanglin2	b2aa3648eb	支持当修改文档后自动重新编译生成vue组件	2023-01-31 11:15:34 +08:00
wanglin2	b997604ab2	打包0.3.0	2023-01-17 17:39:37 +08:00
wanglin2	c6929b82ad	插件化架构基本升级完成	2023-01-17 16:53:28 +08:00
wanglin2	b40da53aef	只读模式下禁止添加历史记录、禁止响应前进后退操作	2023-01-17 15:49:23 +08:00
wanglin2	1e5dfd97e1	提取多选节点Select类作为插件	2023-01-17 15:26:35 +08:00
wanglin2	97bcc22abd	提取导出类作为插件	2023-01-17 15:21:02 +08:00
wanglin2	bd655839cb	提取出键盘导航类作为插件	2023-01-17 14:39:43 +08:00
wanglin2	a53a4e8e1d	提取拖拽类Drag作为插件	2023-01-17 14:30:13 +08:00
wanglin2	eb01646747	提取水印类作为插件	2023-01-17 14:11:07 +08:00
wanglin2	d27eee0fae	开始进行插件化转换，即提取非核心的类作为插件，不再内置；抽取出校地图类插件	2023-01-17 13:56:57 +08:00
wanglin2	92ee241ed8	将xmind解析方法从MindMap类上移除，改为按需引入方式使用	2023-01-17 11:19:59 +08:00