diff --git a/packages/editor-skeleton/src/widget/dock.ts b/packages/editor-skeleton/src/widget/dock.ts
index c63bbdc2c..4b2081e53 100644
--- a/packages/editor-skeleton/src/widget/dock.ts
+++ b/packages/editor-skeleton/src/widget/dock.ts
@@ -45,6 +45,8 @@ export default class Dock implements IWidget {
     } else {
       this._body = createElement(DockView, props);
     }
+    this.inited = true;
+    
     return this._body;
   }
 
diff --git a/packages/vision-preset/src/vision.less b/packages/vision-preset/src/vision.less
index 7c04b0955..d188878a5 100644
--- a/packages/vision-preset/src/vision.less
+++ b/packages/vision-preset/src/vision.less
@@ -101,3 +101,9 @@ html.engine-blur #engine {
 .lc-left-float-pane {
   font-size: 14px;
 }
+
+html.engine-preview-mode  {
+  .lc-left-area, .lc-right-area {
+    display: none !important;
+  }
+}