diff --git a/src/pages/ideContainer/sideBar.tsx b/src/pages/ideContainer/sideBar.tsx
index 50e4375..7718d60 100644
--- a/src/pages/ideContainer/sideBar.tsx
+++ b/src/pages/ideContainer/sideBar.tsx
@@ -1,4 +1,4 @@
-import React, { useEffect, useState } from 'react';
+import React, { useEffect, useRef, useState } from 'react';
 import styles from './style/sideBar.module.less';
 import {
   ResizeBox,
@@ -173,6 +173,7 @@ const SideBar: React.FC<SideBarProps> = ({
   const [showModal, setShowModal] = useState(false);
   const [modalType, setModalType] = useState<'ADD' | 'EDIT'>('ADD');
   const [currentApp, setCurrentApp] = useState<any>(null);
+  const resizeBoxRef = useRef<HTMLDivElement>(null); // 引用第一个 ResizeBox 容器
   const { menuData } = useSelector(state => state.ideContainer);
   const dispatch = useDispatch();
 
@@ -217,13 +218,14 @@ const SideBar: React.FC<SideBarProps> = ({
 
   // 处理子菜单区域的拖拽调整大小
   const handleSubMenuResize = (e: MouseEvent, { width }: { width: number }) => {
-    setSubMenuWidth(width);
+    resizeBoxRef.current.style.width = `${width}px`;
   };
 
   // 切换子菜单区域的收起/展开状态
   const toggleSubMenu = () => {
     setIsSubMenuCollapsed(!isSubMenuCollapsed);
-    setSubMenuWidth(isSubMenuCollapsed ? 300 : 0);
+    const width = isSubMenuCollapsed ? 300 : 0;
+    resizeBoxRef.current.style.width = `${width}px`;
   };
 
   // 处理菜单项点击事件
@@ -237,7 +239,7 @@ const SideBar: React.FC<SideBarProps> = ({
       // 如果点击的是其他菜单项，则展开子菜单（如果已收起）
       if (isSubMenuCollapsed) {
         setIsSubMenuCollapsed(false);
-        setSubMenuWidth(300);
+        resizeBoxRef.current.style.width = `300px`;
       }
     }
 
@@ -420,6 +422,7 @@ const SideBar: React.FC<SideBarProps> = ({
         ))}
       </div>
       <ResizeBox
+        ref={resizeBoxRef}
         directions={['right']}
         style={{
           width: subMenuWidth,