diff --git a/packages/demo/src/editor/components.ts b/packages/demo/src/editor/components.ts
index 4a9a9382b..bf00bd149 100644
--- a/packages/demo/src/editor/components.ts
+++ b/packages/demo/src/editor/components.ts
@@ -1,6 +1,6 @@
 import logo from '@ali/lowcode-plugin-sample-logo';
 import samplePreview from '@ali/lowcode-plugin-sample-preview';
-//import undoRedo from '@ali/lowcode-plugin-undo-redo';
+import undoRedo from '@ali/lowcode-plugin-undo-redo';
 import componentsPane from '@ali/lowcode-plugin-components-pane';
 import outline, { OutlinePane } from '@ali/lowcode-plugin-outline-pane';
 import zhEn from '@ali/lowcode-plugin-zh-en';
@@ -14,7 +14,7 @@ import saveload from './plugins/saveload';
 export default {
   logo,
   samplePreview,
-  //undoRedo,
+  undoRedo,
   componentsPane,
   outline,
   zhEn,
diff --git a/packages/demo/src/editor/config.js b/packages/demo/src/editor/config.js
index f950c31ae..a1c6ef94b 100644
--- a/packages/demo/src/editor/config.js
+++ b/packages/demo/src/editor/config.js
@@ -13,7 +13,7 @@ export default {
           href: '/',
         },
       },
-      /*
+      
       {
         pluginKey: 'undoRedo',
         type: 'Custom',
@@ -22,6 +22,7 @@ export default {
           width: 88,
         },
       },
+      /*
       {
         pluginKey: 'divider',
         type: 'Divider',