diff --git a/simple-mind-map/src/core/command/KeyCommand.js b/simple-mind-map/src/core/command/KeyCommand.js
index 2e8d7049..9997bd77 100644
--- a/simple-mind-map/src/core/command/KeyCommand.js
+++ b/simple-mind-map/src/core/command/KeyCommand.js
@@ -16,6 +16,18 @@ export default class KeyCommand {
     this.bindEvent()
   }
 
+  // 扩展按键映射
+  extendKeyMap(key, code) {
+    keyMap[key] = code
+  }
+
+  // 从按键映射中删除某个键
+  removeKeyMap(key) {
+    if (typeof keyMap[key] !== 'undefined') {
+      delete keyMap[key]
+    }
+  }
+
   //  暂停快捷键响应
   pause() {
     this.isPause = true
diff --git a/web/src/pages/Edit/components/Edit.vue b/web/src/pages/Edit/components/Edit.vue
index 7545a0c6..2a71e270 100644
--- a/web/src/pages/Edit/components/Edit.vue
+++ b/web/src/pages/Edit/components/Edit.vue
@@ -17,7 +17,10 @@
     <OutlineSidebar :mindMap="mindMap"></OutlineSidebar>
     <Style v-if="!isZenMode"></Style>
     <BaseStyle :data="mindMapData" :mindMap="mindMap"></BaseStyle>
-    <AssociativeLineStyle v-if="mindMap" :mindMap="mindMap"></AssociativeLineStyle>
+    <AssociativeLineStyle
+      v-if="mindMap"
+      :mindMap="mindMap"
+    ></AssociativeLineStyle>
     <Theme v-if="mindMap" :data="mindMapData" :mindMap="mindMap"></Theme>
     <Structure :mindMap="mindMap"></Structure>
     <ShortcutKey></ShortcutKey>
@@ -123,7 +126,7 @@ import NodeAttachment from './NodeAttachment.vue'
 import NodeOuterFrame from './NodeOuterFrame.vue'
 import NodeTagStyle from './NodeTagStyle.vue'
 import Setting from './Setting.vue'
-import AssociativeLineStyle from './AssociativeLineStyle.vue';
+import AssociativeLineStyle from './AssociativeLineStyle.vue'
 
 // 注册插件
 MindMap.usePlugin(MiniMap)