diff --git a/simple-mind-map/package.json b/simple-mind-map/package.json
index 5c446feb..5f154591 100644
--- a/simple-mind-map/package.json
+++ b/simple-mind-map/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-mind-map",
-  "version": "0.4.5",
+  "version": "0.4.6",
   "description": "一个简单的web在线思维导图",
   "authors": [
     {
diff --git a/simple-mind-map/src/Command.js b/simple-mind-map/src/Command.js
index 25ad3f33..71a88be1 100644
--- a/simple-mind-map/src/Command.js
+++ b/simple-mind-map/src/Command.js
@@ -76,6 +76,10 @@ class Command {
       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)
diff --git a/simple-mind-map/src/KeyboardNavigation.js b/simple-mind-map/src/KeyboardNavigation.js
index a8c7d1c6..0408dfae 100644
--- a/simple-mind-map/src/KeyboardNavigation.js
+++ b/simple-mind-map/src/KeyboardNavigation.js
@@ -1,4 +1,3 @@
-import { isKey } from './utils/keyMap'
 import { bfsWalk } from './utils'
 
 //  键盘导航类
@@ -8,22 +7,29 @@ class KeyboardNavigation {
     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
diff --git a/simple-mind-map/src/Render.js b/simple-mind-map/src/Render.js
index 6d3c92e5..4c87a471 100644
--- a/simple-mind-map/src/Render.js
+++ b/simple-mind-map/src/Render.js
@@ -355,7 +355,7 @@ class Render {
 
   //  插入同级节点，多个节点只会操作第一个节点
 
-  insertNode() {
+  insertNode(openEdit = true) {
     if (this.activeNodeList.length <= 0) {
       return
     }
@@ -369,7 +369,7 @@ class Render {
       }
       let index = this.getNodeIndex(first)
       first.parent.nodeData.children.splice(index + 1, 0, {
-        inserting: true,
+        inserting: openEdit,
         data: {
           text: text,
           expand: true
@@ -382,7 +382,7 @@ class Render {
 
   //  插入子节点
 
-  insertChildNode() {
+  insertChildNode(openEdit = true) {
     if (this.activeNodeList.length <= 0) {
       return
     }
@@ -392,7 +392,7 @@ class Render {
       }
       let text = node.isRoot ? '二级节点' : '分支主题'
       node.nodeData.children.push({
-        inserting: true,
+        inserting: openEdit,
         data: {
           text: text,
           expand: true
@@ -629,7 +629,7 @@ class Render {
     if (node.isRoot) {
       return
     }
-    let copyData = copyNodeTree({}, node)
+    let copyData = copyNodeTree({}, node, false, true)
     this.removeActiveNode(node)
     this.removeOneNode(node)
     this.mindMap.emit('node_active', null, this.activeNodeList)
diff --git a/simple-mind-map/src/utils/index.js b/simple-mind-map/src/utils/index.js
index 35f8f812..7a825a6e 100644
--- a/simple-mind-map/src/utils/index.js
+++ b/simple-mind-map/src/utils/index.js
@@ -134,10 +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) delete tree.data.id
+  if (tree.data.id && !keepId) delete tree.data.id
   if (removeActiveState) {
     tree.data.isActive = false
   }