diff --git a/web/src/config/en.js b/web/src/config/en.js
index 8ab141a5..a98fdd32 100644
--- a/web/src/config/en.js
+++ b/web/src/config/en.js
@@ -495,6 +495,12 @@ export const downTypeList = [
     type: 'txt',
     icon: 'iconTXT',
     desc: 'Plain text file'
+  },
+  {
+    name: 'FreeMind',
+    type: 'mm',
+    icon: 'iconTXT',
+    desc: 'FreeMind software format'
   }
 ]
 
diff --git a/web/src/config/zh.js b/web/src/config/zh.js
index 9b24c5c1..bf91eda4 100644
--- a/web/src/config/zh.js
+++ b/web/src/config/zh.js
@@ -589,6 +589,12 @@ export const downTypeList = [
     type: 'txt',
     icon: 'iconTXT',
     desc: '纯文本文件'
+  },
+  {
+    name: 'FreeMind',
+    type: 'mm',
+    icon: 'iconTXT',
+    desc: 'FreeMind软件格式'
   }
 ]
 
diff --git a/web/src/lang/en_us.js b/web/src/lang/en_us.js
index f4f4917e..dbb9aef1 100644
--- a/web/src/lang/en_us.js
+++ b/web/src/lang/en_us.js
@@ -157,8 +157,8 @@ export default {
   import: {
     title: 'Import',
     selectFile: 'Select file',
-    supportFile: 'Support .smm、.json、.xmind、.xlsx、.md file',
-    enableFileTip: 'Please select .smm、.json、.xmind、.xlsx、.md file',
+    supportFile: 'Support .smm、.json、.xmind、.xlsx、.md、 .mm file',
+    enableFileTip: 'Please select .smm、.json、.xmind、.xlsx、.md、 .mm file',
     maxFileNum: 'At most one file can be selected',
     notSelectTip: 'Please select the file to import',
     fileContentError: 'The file content is incorrect',
diff --git a/web/src/lang/zh_cn.js b/web/src/lang/zh_cn.js
index e7b71a59..bfb4be35 100644
--- a/web/src/lang/zh_cn.js
+++ b/web/src/lang/zh_cn.js
@@ -155,8 +155,8 @@ export default {
   import: {
     title: '导入',
     selectFile: '选取文件',
-    supportFile: '支持.smm、.json、.xmind、.xlsx、.md文件',
-    enableFileTip: '请选择.smm、.json、.xmind、.xlsx、.md文件',
+    supportFile: '支持.smm、.json、.xmind、.xlsx、.md、 .mm文件',
+    enableFileTip: '请选择.smm、.json、.xmind、.xlsx、.md、 .mm文件',
     maxFileNum: '最多只能选择一个文件',
     notSelectTip: '请选择要导入的文件',
     fileContentError: '文件内容有误',
diff --git a/web/src/pages/Edit/components/Edit.vue b/web/src/pages/Edit/components/Edit.vue
index ef9d9ec0..7d61efd9 100644
--- a/web/src/pages/Edit/components/Edit.vue
+++ b/web/src/pages/Edit/components/Edit.vue
@@ -79,6 +79,8 @@ import OuterFrame from 'simple-mind-map/src/plugins/OuterFrame.js'
 // import Notation from 'simple-mind-map-plugin-notation'
 // 编号插件，该插件为付费插件，详情请查看开发文档
 // import Numbers from 'simple-mind-map-plugin-numbers'
+// Freemind软件格式导入导出插件，该插件为付费插件，详情请查看开发文档
+import Freemind from 'simple-mind-map-plugin-freemind'
 import OutlineSidebar from './OutlineSidebar'
 import Style from './Style'
 import BaseStyle from './BaseStyle'
@@ -135,6 +137,7 @@ MindMap.usePlugin(MiniMap)
   .usePlugin(RainbowLines)
   .usePlugin(Demonstrate)
   .usePlugin(OuterFrame)
+  .usePlugin(Freemind)
 // .usePlugin(Cooperate) // 协同插件
 
 // 注册自定义主题
diff --git a/web/src/pages/Edit/components/Export.vue b/web/src/pages/Edit/components/Export.vue
index aa96e22c..db769a7c 100644
--- a/web/src/pages/Edit/components/Export.vue
+++ b/web/src/pages/Edit/components/Export.vue
@@ -8,7 +8,7 @@
     element-loading-spinner="el-icon-loading"
     element-loading-background="rgba(0, 0, 0, 0.8)"
     :width="isMobile ? '90%' : '50%'"
-    :top="isMobile? '20px' : '15vh'"
+    :top="isMobile ? '20px' : '15vh'"
   >
     <div class="exportContainer" :class="{ isDark: isDark }">
       <div class="nameInputBox">
@@ -98,12 +98,14 @@
 import { mapState, mapMutations } from 'vuex'
 import { downTypeList } from '@/config'
 import { isMobile } from 'simple-mind-map/src/utils/index'
+import MarkdownIt from 'markdown-it'
 
 /**
  * @Author: 王林
  * @Date: 2021-06-24 22:53:54
  * @Desc: 导出
  */
+let md = null
 export default {
   name: 'Export',
   data() {
@@ -203,6 +205,22 @@ export default {
           this.fileName,
           this.isTransparent
         )
+      } else if (this.exportType === 'mm') {
+        this.$bus.$emit('export', this.exportType, true, this.fileName, {
+          transformNote: note => {
+            if (!md) {
+              md = new MarkdownIt()
+            }
+            return md.render(note)
+          },
+          transformImage: img => {
+            if (/^https?:\/\//.test(img)) {
+              return img
+            } else {
+              return ''
+            }
+          }
+        })
       } else {
         this.$bus.$emit('export', this.exportType, true, this.fileName)
       }
diff --git a/web/src/pages/Edit/components/Import.vue b/web/src/pages/Edit/components/Import.vue
index a19f76ab..fc8dc05e 100644
--- a/web/src/pages/Edit/components/Import.vue
+++ b/web/src/pages/Edit/components/Import.vue
@@ -9,7 +9,7 @@
       <el-upload
         ref="upload"
         action="x"
-        accept=".smm,.json,.xmind,.xlsx,.md"
+        accept=".smm,.json,.xmind,.xlsx,.md,.mm"
         :file-list="fileList"
         :auto-upload="false"
         :multiple="false"
@@ -40,9 +40,12 @@
       :show-close="false"
     >
       <el-radio-group v-model="selectCanvas" class="canvasList">
-        <el-radio v-for="(item, index) in canvasList" :key="index" :label="index">{{
-          item.title
-        }}</el-radio>
+        <el-radio
+          v-for="(item, index) in canvasList"
+          :key="index"
+          :label="index"
+          >{{ item.title }}</el-radio
+        >
       </el-radio-group>
       <span slot="footer" class="dialog-footer">
         <el-button type="primary" @click="confirmSelect">{{
@@ -56,6 +59,7 @@
 <script>
 import xmind from 'simple-mind-map/src/parse/xmind.js'
 import markdown from 'simple-mind-map/src/parse/markdown.js'
+import { freemindToSmm } from 'simple-mind-map-plugin-freemind/freemindTo.js'
 import { fileToBuffer } from '@/utils'
 import { read, utils } from 'xlsx'
 import { mapMutations } from 'vuex'
@@ -106,7 +110,7 @@ export default {
       try {
         const fileURL = this.$route.query.fileURL
         if (!fileURL) return
-        const macth = /\.(smm|json|xmind|md|xlsx)$/.exec(fileURL)
+        const macth = /\.(smm|json|xmind|md|xlsx|mm)$/.exec(fileURL)
         if (!macth) {
           return
         }
@@ -124,6 +128,8 @@ export default {
           this.handleExcel(data)
         } else if (type === 'md') {
           this.handleMd(data)
+        } else if (type === 'mm') {
+          this.handleMm(data)
         }
       } catch (error) {
         console.log(error)
@@ -132,7 +138,7 @@ export default {
 
     // 文件选择
     onChange(file) {
-      let reg = /\.(smm|xmind|json|xlsx|md)$/
+      let reg = /\.(smm|xmind|json|xlsx|md|mm)$/
       if (!reg.test(file.name)) {
         this.$message.error(this.$t('import.enableFileTip'))
         this.fileList = []
@@ -171,6 +177,8 @@ export default {
         this.handleExcel(file)
       } else if (/\.md$/.test(file.name)) {
         this.handleMd(file)
+      } else if (/\.mm$/.test(file.name)) {
+        this.handleMm(file)
       }
       this.cancel()
       this.setActiveSidebar(null)
@@ -212,6 +220,33 @@ export default {
       }
     },
 
+    // 处理Freemind格式
+    handleMm(file) {
+      const fileReader = new FileReader()
+      fileReader.readAsText(file.raw)
+      fileReader.onload = async evt => {
+        try {
+          const data = await freemindToSmm(evt.target.result, {
+            // withStyle: true,
+            transformImg: image => {
+              return new Promise(resolve => {
+                if (/^https?:\/\//.test(image)) {
+                  resolve({ url: image })
+                } else {
+                  resolve(null)
+                }
+              })
+            }
+          })
+          this.$bus.$emit('setData', data)
+          this.$message.success(this.$t('import.importSuccess'))
+        } catch (error) {
+          console.log(error)
+          this.$message.error(this.$t('import.fileParsingFailed'))
+        }
+      }
+    },
+
     // 显示xmind文件的多个画布选择弹窗
     showSelectXmindCanvasDialog(content) {
       this.canvasList = content
@@ -296,7 +331,7 @@ export default {
       fileReader.readAsText(file.raw)
       fileReader.onload = async evt => {
         try {
-          let data = await markdown.transformMarkdownTo(evt.target.result)
+          let data = markdown.transformMarkdownTo(evt.target.result)
           this.$bus.$emit('setData', data)
           this.$message.success(this.$t('import.importSuccess'))
         } catch (error) {