diff --git a/web/package-lock.json b/web/package-lock.json
index a86443f5..8173f706 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.1.0",
       "dependencies": {
         "@toast-ui/editor": "^3.1.5",
+        "codemirror": "^5.65.16",
         "core-js": "^3.6.5",
         "element-ui": "^2.15.1",
         "highlight.js": "^10.7.3",
@@ -5009,6 +5010,11 @@
         "node": ">= 4.0"
       }
     },
+    "node_modules/codemirror": {
+      "version": "5.65.16",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.65.16.tgz",
+      "integrity": "sha512-br21LjYmSlVL0vFCPWPfhzUCT34FM/pAdK7rRIZwa0rrtrIdotvP4Oh4GUHsu2E3IrQMCfRkL/fN3ytMNxVQvg=="
+    },
     "node_modules/codepage": {
       "version": "1.15.0",
       "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.15.0.tgz",
@@ -21021,6 +21027,11 @@
         "q": "^1.1.2"
       }
     },
+    "codemirror": {
+      "version": "5.65.16",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.65.16.tgz",
+      "integrity": "sha512-br21LjYmSlVL0vFCPWPfhzUCT34FM/pAdK7rRIZwa0rrtrIdotvP4Oh4GUHsu2E3IrQMCfRkL/fN3ytMNxVQvg=="
+    },
     "codepage": {
       "version": "1.15.0",
       "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.15.0.tgz",
diff --git a/web/package.json b/web/package.json
index a326b00f..4f0bc4d8 100644
--- a/web/package.json
+++ b/web/package.json
@@ -14,6 +14,7 @@
   },
   "dependencies": {
     "@toast-ui/editor": "^3.1.5",
+    "codemirror": "^5.65.16",
     "core-js": "^3.6.5",
     "element-ui": "^2.15.1",
     "highlight.js": "^10.7.3",
diff --git a/web/src/assets/icon-font/iconfont.css b/web/src/assets/icon-font/iconfont.css
index caf31fde..a7b6d1bc 100644
--- 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=1711432586441') format('woff2'),
-       url('iconfont.woff?t=1711432586441') format('woff'),
-       url('iconfont.ttf?t=1711432586441') format('truetype');
+  src: url('iconfont.woff2?t=1711536835850') format('woff2'),
+       url('iconfont.woff?t=1711536835850') format('woff'),
+       url('iconfont.ttf?t=1711536835850') format('truetype');
 }
 
 .iconfont {
@@ -13,6 +13,14 @@
   -moz-osx-font-smoothing: grayscale;
 }
 
+.icongeshihua:before {
+  content: "\e7a3";
+}
+
+.iconyuanma:before {
+  content: "\e658";
+}
+
 .icongundongtiao:before {
   content: "\e670";
 }
diff --git a/web/src/assets/icon-font/iconfont.ttf b/web/src/assets/icon-font/iconfont.ttf
index 6d3d2a22..530a259c 100644
Binary files a/web/src/assets/icon-font/iconfont.ttf and b/web/src/assets/icon-font/iconfont.ttf differ
diff --git a/web/src/assets/icon-font/iconfont.woff b/web/src/assets/icon-font/iconfont.woff
index fca7f01b..670ceb03 100644
Binary files a/web/src/assets/icon-font/iconfont.woff and b/web/src/assets/icon-font/iconfont.woff differ
diff --git a/web/src/assets/icon-font/iconfont.woff2 b/web/src/assets/icon-font/iconfont.woff2
index 8e5aa788..f330a8bb 100644
Binary files a/web/src/assets/icon-font/iconfont.woff2 and b/web/src/assets/icon-font/iconfont.woff2 differ
diff --git a/web/src/lang/en_us.js b/web/src/lang/en_us.js
index 7f48c5dc..16da1f1e 100644
--- a/web/src/lang/en_us.js
+++ b/web/src/lang/en_us.js
@@ -152,7 +152,8 @@ export default {
     closeMiniMap: 'Close mini map',
     readonly: 'Change to eadonly',
     edit: 'Change to edit',
-    backToRoot: 'Back to root node'
+    backToRoot: 'Back to root node',
+    changeSourceCodeEdit: 'Switch to source code editing mode'
   },
   nodeHyperlink: {
     title: 'Link',
@@ -317,5 +318,15 @@ export default {
   },
   other: {
     loading: 'Loading, please wait...'
+  },
+  sourceCodeEdit: {
+    sourceCodeTip: 'It is not recommended to modify the style in rich text mode because it requires synchronous modification of data and HTML structure.',
+    format: 'Format',
+    copy: 'Copy',
+    confirm: 'Complete',
+    close: 'Close',
+    formatErrorTip: 'The JSON format is incorrect. Please check and try again',
+    copyTip: 'Copied to clipboard',
+    formatTip: 'Format complete'
   }
 }
diff --git a/web/src/lang/zh_cn.js b/web/src/lang/zh_cn.js
index 09ca7cad..b0e50ee2 100644
--- a/web/src/lang/zh_cn.js
+++ b/web/src/lang/zh_cn.js
@@ -150,7 +150,8 @@ export default {
     closeMiniMap: '关闭小地图',
     readonly: '切换为只读模式',
     edit: '切换为编辑模式',
-    backToRoot: '回到根节点'
+    backToRoot: '回到根节点',
+    changeSourceCodeEdit: '切换为源码编辑模式'
   },
   nodeHyperlink: {
     title: '超链接',
@@ -311,5 +312,15 @@ export default {
   },
   other: {
     loading: '正在加载，请稍后...'
+  },
+  sourceCodeEdit: {
+    sourceCodeTip: '富文本模式下不建议修改样式，因为需要同步修改数据及html结构。',
+    format: '格式化',
+    copy: '复制',
+    confirm: '完成',
+    close: '关闭',
+    formatErrorTip: 'JSON格式有误，请检查后再试',
+    copyTip: '已复制到剪贴板',
+    formatTip: '格式化完成'
   }
 }
diff --git a/web/src/pages/Edit/components/Edit.vue b/web/src/pages/Edit/components/Edit.vue
index 205b8208..1b0ef38b 100644
--- a/web/src/pages/Edit/components/Edit.vue
+++ b/web/src/pages/Edit/components/Edit.vue
@@ -24,6 +24,7 @@
     <OutlineEdit v-if="mindMap" :mindMap="mindMap"></OutlineEdit>
     <Scrollbar v-if="isShowScrollbar && mindMap" :mindMap="mindMap"></Scrollbar>
     <FormulaSidebar v-if="mindMap" :mindMap="mindMap"></FormulaSidebar>
+    <SourceCodeEdit v-if="mindMap" :mindMap="mindMap"></SourceCodeEdit>
   </div>
 </template>
 
@@ -83,6 +84,7 @@ import handleClipboardText from '@/utils/handleClipboardText'
 import Scrollbar from './Scrollbar.vue'
 import exampleData from 'simple-mind-map/example/exampleData'
 import FormulaSidebar from './FormulaSidebar.vue'
+import SourceCodeEdit from './SourceCodeEdit.vue'
 
 // 注册插件
 MindMap.usePlugin(MiniMap)
@@ -134,7 +136,8 @@ export default {
     NodeIconToolbar,
     OutlineEdit,
     Scrollbar,
-    FormulaSidebar
+    FormulaSidebar,
+    SourceCodeEdit
   },
   data() {
     return {
diff --git a/web/src/pages/Edit/components/NavigatorToolbar.vue b/web/src/pages/Edit/components/NavigatorToolbar.vue
index 819c79c4..1033a3a1 100644
--- a/web/src/pages/Edit/components/NavigatorToolbar.vue
+++ b/web/src/pages/Edit/components/NavigatorToolbar.vue
@@ -80,6 +80,15 @@
         @click="toggleDark"
       ></div>
     </div>
+    <div class="item">
+      <el-tooltip
+        effect="dark"
+        :content="$t('navigatorToolbar.changeSourceCodeEdit')"
+        placement="top"
+      >
+        <div class="btn iconfont iconyuanma" @click="openSourceCodeEdit"></div>
+      </el-tooltip>
+    </div>
     <div class="item">
       <el-dropdown @command="handleCommand">
         <div class="btn iconfont iconbangzhu"></div>
@@ -141,7 +150,7 @@ export default {
     this.lang = getLang()
   },
   methods: {
-    ...mapMutations(['setLocalConfig', 'setIsReadonly']),
+    ...mapMutations(['setLocalConfig', 'setIsReadonly', 'setIsOutlineEdit']),
 
     readonlyChange() {
       this.setIsReadonly(!this.isReadonly)
@@ -198,6 +207,10 @@ export default {
 
     backToRoot() {
       this.mindMap.renderer.setRootNodeCenter()
+    },
+
+    openSourceCodeEdit() {
+      this.setIsOutlineEdit(true)
     }
   }
 }
diff --git a/web/src/pages/Edit/components/OutlineSidebar.vue b/web/src/pages/Edit/components/OutlineSidebar.vue
index 0f3f7779..96402649 100644
--- a/web/src/pages/Edit/components/OutlineSidebar.vue
+++ b/web/src/pages/Edit/components/OutlineSidebar.vue
@@ -35,7 +35,6 @@ export default {
   computed: {
     ...mapState({
       isDark: state => state.localConfig.isDark,
-      isOutlineEdit: state => state.isOutlineEdit,
       activeSidebar: state => state.activeSidebar
     })
   },
diff --git a/web/src/pages/Edit/components/SourceCodeEdit.vue b/web/src/pages/Edit/components/SourceCodeEdit.vue
new file mode 100644
index 00000000..29ca2e1a
--- /dev/null
+++ b/web/src/pages/Edit/components/SourceCodeEdit.vue
@@ -0,0 +1,216 @@
+<template>
+  <div
+    class="sourceCodeEditContainer"
+    :class="{ isDark: isDark }"
+    ref="sourceCodeEditContainer"
+    v-if="isSourceCodeEdit"
+  >
+    <div class="closeBtn">
+      <el-tooltip
+        effect="dark"
+        :content="$t('sourceCodeEdit.copy')"
+        placement="top"
+      >
+        <span
+          class="icon iconfont iconfuzhi"
+          style="font-size: 26px"
+          @click="copy"
+        ></span>
+      </el-tooltip>
+      <el-tooltip
+        effect="dark"
+        :content="$t('sourceCodeEdit.format')"
+        placement="top"
+      >
+        <span
+          class="icon iconfont icongeshihua"
+          style="font-size: 24px"
+          @click="format"
+        ></span>
+      </el-tooltip>
+      <el-tooltip
+        effect="dark"
+        :content="$t('sourceCodeEdit.sourceCodeTip')"
+        placement="top"
+      >
+        <span class="icon el-icon-info"></span>
+      </el-tooltip>
+      <el-tooltip
+        effect="dark"
+        :content="$t('sourceCodeEdit.confirm')"
+        placement="top"
+      >
+        <span class="icon el-icon-circle-check" @click="onConfirm"></span>
+      </el-tooltip>
+      <el-tooltip
+        effect="dark"
+        :content="$t('sourceCodeEdit.close')"
+        placement="top"
+      >
+        <span class="icon iconfont iconguanbi" @click="onClose"></span>
+      </el-tooltip>
+    </div>
+    <div class="sourceCodeEditBox">
+      <div class="outlineEdit" ref="outlineEditRef" @keydown.stop></div>
+    </div>
+  </div>
+</template>
+
+<script>
+import { mapState, mapMutations } from 'vuex'
+import { storeData } from '@/api'
+import CodeMirror from 'codemirror'
+import 'codemirror/mode/javascript/javascript'
+import 'codemirror/lib/codemirror.css'
+import { copy } from '@/utils/index'
+
+let editor = null
+
+// 源码编辑
+export default {
+  name: 'SourceCodeEdit',
+  props: {
+    mindMap: {
+      type: Object
+    }
+  },
+  data() {
+    return {}
+  },
+  computed: {
+    ...mapState({
+      isReadonly: state => state.isReadonly,
+      isDark: state => state.localConfig.isDark,
+      isSourceCodeEdit: state => state.isSourceCodeEdit
+    })
+  },
+  watch: {
+    isSourceCodeEdit(val) {
+      if (val) {
+        this.$nextTick(() => {
+          document.body.appendChild(this.$refs.sourceCodeEditContainer)
+          this.initEditor()
+          this.initData()
+        })
+      }
+    }
+  },
+  methods: {
+    ...mapMutations(['setIsOutlineEdit']),
+
+    // 初始化编辑器
+    initEditor() {
+      editor = CodeMirror(this.$refs.outlineEditRef, {
+        mode: { name: 'javascript', json: true },
+        lineWrapping: true,
+        lineNumbers: true
+      })
+    },
+
+    // 初始化数据
+    initData() {
+      editor.setValue(JSON.stringify(this.mindMap.getData(), null, 2))
+    },
+
+    // 完成
+    onConfirm() {
+      try {
+        const content = editor.getValue()
+        const data = JSON.parse(content)
+        this.setIsOutlineEdit(false)
+        this.$bus.$emit('setData', data)
+      } catch (error) {
+        console.log(error)
+        this.$message.error(this.$t('sourceCodeEdit.formatErrorTip'))
+      }
+    },
+
+    // 关闭
+    onClose() {
+      this.setIsOutlineEdit(false)
+    },
+
+    // 复制
+    copy() {
+      const content = editor.getValue()
+      copy(content)
+      this.$message.success(this.$t('sourceCodeEdit.copyTip'))
+    },
+
+    // 格式化
+    format() {
+      try {
+        const content = editor.getValue()
+        const data = JSON.parse(content)
+        editor.setValue(JSON.stringify(data, null, 2))
+        this.$message.success(this.$t('sourceCodeEdit.formatTip'))
+      } catch (error) {
+        console.log(error)
+        this.$message.error(this.$t('sourceCodeEdit.formatErrorTip'))
+      }
+    }
+  }
+}
+</script>
+
+<style lang="less" scoped>
+.sourceCodeEditContainer {
+  position: fixed;
+  left: 0;
+  top: 0;
+  width: 100%;
+  height: 100%;
+  z-index: 1999;
+  background-color: #f5f5f5;
+  overflow: hidden;
+
+  &.isDark {
+    background-color: #262a2e;
+
+    .closeBtn {
+      .icon {
+        color: #fff;
+      }
+    }
+  }
+
+  .closeBtn {
+    position: absolute;
+    right: 40px;
+    top: 20px;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+
+    .icon {
+      font-size: 28px;
+      margin-left: 10px;
+    }
+  }
+
+  .sourceCodeEditBox {
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
+    padding: 50px 0;
+
+    .outlineEdit {
+      width: 1000px;
+      height: 100%;
+      margin: 0 auto;
+      font-size: 17px;
+      background-color: #fff;
+      font-family: Menlo, Monaco, Consolas, Andale Mono, Ubuntu Mono,
+        Courier New, monospace;
+      padding: 12px;
+      border-radius: 5px;
+
+      /deep/ .CodeMirror {
+        height: 100%;
+        font-family: Menlo, Monaco, Consolas, Andale Mono, Ubuntu Mono,
+          Courier New, monospace;
+      }
+    }
+  }
+}
+</style>
diff --git a/web/src/store.js b/web/src/store.js
index 3f035dec..895cc9f4 100644
--- a/web/src/store.js
+++ b/web/src/store.js
@@ -25,7 +25,8 @@ const store = new Vuex.Store({
     },
     activeSidebar: '', // 当前显示的侧边栏
     isOutlineEdit: false, // 是否是大纲编辑模式
-    isReadonly: false // 是否只读
+    isReadonly: false, // 是否只读
+    isSourceCodeEdit: false// 是否是源码编辑模式
   },
   mutations: {
     // 设置思维导图数据
@@ -60,7 +61,12 @@ const store = new Vuex.Store({
     // 设置是否只读
     setIsReadonly(state, data) {
       state.isReadonly = data
-    }
+    },
+
+    // 设置源码编辑模式
+    setIsOutlineEdit(state, data) {
+      state.isSourceCodeEdit = data
+    },
   },
   actions: {
     // 设置初始思维导图数据
diff --git a/web/src/utils/index.js b/web/src/utils/index.js
index 6f5386eb..0c8bbcb5 100644
--- a/web/src/utils/index.js
+++ b/web/src/utils/index.js
@@ -47,3 +47,13 @@ export const fileToBuffer = file => {
     reader.readAsArrayBuffer(file)
   })
 }
+
+// 复制文本到剪贴板
+export const copy = (text) => {
+  const input = document.createElement('input')
+  input.setAttribute('value', text)
+  document.body.appendChild(input)
+  input.select()
+  document.execCommand('copy')
+  document.body.removeChild(input)
+}