diff --git a/packages/editor-skeleton/src/layouts/right-area.tsx b/packages/editor-skeleton/src/layouts/right-area.tsx
index 448788dd6..ed9fd60f2 100644
--- a/packages/editor-skeleton/src/layouts/right-area.tsx
+++ b/packages/editor-skeleton/src/layouts/right-area.tsx
@@ -13,7 +13,7 @@ export default class RightArea extends Component<{ area: Area<any, Panel> }> {
   render() {
     const { area } = this.props;
     return (
-      <div className={classNames('lc-right-area engine-tabpane', {
+      <div className={classNames('lc-right-area', {
         'lc-area-visible': area.visible,
       })}
       >