diff --git a/libs/components/editor-plugins/src/menu/left-menu/LeftMenuPlugin.tsx b/libs/components/editor-plugins/src/menu/left-menu/LeftMenuPlugin.tsx
index 113dec843d..4155307f74 100644
--- a/libs/components/editor-plugins/src/menu/left-menu/LeftMenuPlugin.tsx
+++ b/libs/components/editor-plugins/src/menu/left-menu/LeftMenuPlugin.tsx
@@ -1,12 +1,15 @@
-import { BlockDomInfo, HookType } from '@toeverything/framework/virgo';
+import {
+    BlockDomInfo,
+    HookType,
+    BlockDropPlacement,
+} from '@toeverything/framework/virgo';
 import { StrictMode } from 'react';
 import { BasePlugin } from '../../base-plugin';
 import { ignoreBlockTypes } from './menu-config';
 import { LineInfoSubject, LeftMenuDraggable } from './LeftMenuDraggable';
 import { PluginRenderRoot } from '../../utils';
-import { Subject } from 'rxjs';
-import { domToRect, last, Point, throttle } from '@toeverything/utils';
-import { BlockDropPlacement } from '@toeverything/framework/virgo';
+import { Subject, throttleTime } from 'rxjs';
+import { domToRect, last, Point } from '@toeverything/utils';
 const DRAG_THROTTLE_DELAY = 150;
 export class LeftMenuPlugin extends BasePlugin {
     private _mousedown?: boolean;
@@ -58,15 +61,10 @@ export class LeftMenuPlugin extends BasePlugin {
             this.hooks.get(HookType.ON_ROOTNODE_DROP).subscribe(this._onDrop)
         );
         this.sub.add(
-            this.hooks.get(HookType.ON_ROOTNODE_DRAG_OVER).subscribe(
-                throttle(
-                    this._handleRootNodeDragover.bind(this),
-                    DRAG_THROTTLE_DELAY,
-                    {
-                        leading: true,
-                    }
-                )
-            )
+            this.hooks
+                .get(HookType.ON_ROOTNODE_DRAG_OVER)
+                .pipe(throttleTime(DRAG_THROTTLE_DELAY))
+                .subscribe(this._handleRootNodeDragover)
         );
     }