diff --git a/simple-mind-map/index.js b/simple-mind-map/index.js
index 8cc6b91c..731edd37 100644
--- a/simple-mind-map/index.js
+++ b/simple-mind-map/index.js
@@ -32,9 +32,6 @@ class MindMap {
     this.svg = SVG().addTo(this.el).size(this.width, this.height)
     this.draw = this.svg.group()
 
-    // 节点id
-    this.uid = 1
-
     // 初始化主题
     this.initTheme()
 
@@ -238,7 +235,7 @@ class MindMap {
 
   //  获取思维导图数据，节点树、主题、布局等
   getData(withConfig) {
-    let nodeData = this.command.removeDataUid(this.command.getCopyData())
+    let nodeData = this.command.getCopyData()
     let data = {}
     if (withConfig) {
       data = {
diff --git a/simple-mind-map/package-lock.json b/simple-mind-map/package-lock.json
index 811a8646..29f719ea 100644
--- a/simple-mind-map/package-lock.json
+++ b/simple-mind-map/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "simple-mind-map",
-  "version": "0.6.0",
+  "version": "0.6.7",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "0.6.0",
+      "version": "0.6.7",
       "license": "MIT",
       "dependencies": {
         "@svgdotjs/svg.js": "^3.0.16",
diff --git a/simple-mind-map/src/core/command/Command.js b/simple-mind-map/src/core/command/Command.js
index 2a5f3115..d8edde54 100644
--- a/simple-mind-map/src/core/command/Command.js
+++ b/simple-mind-map/src/core/command/Command.js
@@ -89,7 +89,7 @@ class Command {
       this.history.shift()
     }
     this.activeHistoryIndex = this.history.length - 1
-    this.mindMap.emit('data_change', this.removeDataUid(data))
+    this.mindMap.emit('data_change', data)
     this.mindMap.emit(
       'back_forward',
       this.activeHistoryIndex,
@@ -110,7 +110,7 @@ class Command {
         this.history.length
       )
       let data = simpleDeepClone(this.history[this.activeHistoryIndex])
-      this.mindMap.emit('data_change', this.removeDataUid(data))
+      this.mindMap.emit('data_change', data)
       return data
     }
   }
@@ -125,7 +125,7 @@ class Command {
       this.activeHistoryIndex += step
       this.mindMap.emit('back_forward', this.activeHistoryIndex, this.history.length)
       let data = simpleDeepClone(this.history[this.activeHistoryIndex])
-      this.mindMap.emit('data_change', this.removeDataUid(data))
+      this.mindMap.emit('data_change', data)
       return data
     }
   }
diff --git a/simple-mind-map/src/core/render/node/nodeGeneralization.js b/simple-mind-map/src/core/render/node/nodeGeneralization.js
index 2a2a585d..ba204186 100644
--- a/simple-mind-map/src/core/render/node/nodeGeneralization.js
+++ b/simple-mind-map/src/core/render/node/nodeGeneralization.js
@@ -1,4 +1,5 @@
 import Node from './Node'
+import { createUid } from '../../../utils/index'
 
 //  检查是否存在概要
 function checkHasGeneralization () {
@@ -18,7 +19,7 @@ function createGeneralizationNode () {
       data: {
         data: this.nodeData.data.generalization
       },
-      uid: this.mindMap.uid++,
+      uid: createUid(),
       renderer: this.renderer,
       mindMap: this.mindMap,
       draw: this.draw,
diff --git a/simple-mind-map/src/layouts/Base.js b/simple-mind-map/src/layouts/Base.js
index ca27fcd4..b5188cba 100644
--- a/simple-mind-map/src/layouts/Base.js
+++ b/simple-mind-map/src/layouts/Base.js
@@ -1,6 +1,7 @@
 import Node from '../core/render/node/Node'
 import { CONSTANTS, initRootNodePositionMap } from '../constants/constant'
 import Lru from '../utils/Lru'
+import { createUid } from '../utils/index'
 
 //  布局基类
 class Base {
@@ -101,7 +102,7 @@ class Base {
       }
     } else {
       // 创建新节点
-      let uid = this.mindMap.uid++
+      let uid = createUid()
       newNode = new Node({
         data,
         uid,
diff --git a/simple-mind-map/src/utils/index.js b/simple-mind-map/src/utils/index.js
index f84f7fd2..8dbe6f8d 100644
--- a/simple-mind-map/src/utils/index.js
+++ b/simple-mind-map/src/utils/index.js
@@ -1,3 +1,5 @@
+import { v4 as uuidv4 } from 'uuid'
+
 //  深度优先遍历树
 export const walk = (
   root,
@@ -424,3 +426,8 @@ export const getImageSize = src => {
     }
   })
 }
+
+// 创建节点唯一的id
+export const createUid = () => {
+  return uuidv4()
+}
\ No newline at end of file