diff --git a/src/pages/ideContainer/sideBar.tsx b/src/pages/ideContainer/sideBar.tsx
index 7718d60..3db55fd 100644
--- a/src/pages/ideContainer/sideBar.tsx
+++ b/src/pages/ideContainer/sideBar.tsx
@@ -330,7 +330,7 @@ const SideBar: React.FC<SideBarProps> = ({
   }, [subMenuData, identity]);
 
   useEffect(() => {
-    setSubMenuWidth(showSubMenu ? 300 : 0);
+    resizeBoxRef.current.style.width = `${showSubMenu ? 300 : 0}px`;
   }, [showSubMenu]);
 
   // 渲染节点的额外操作按钮