diff --git a/apps/admin/src/layouts/MainLayout.tsx b/apps/admin/src/layouts/MainLayout.tsx
index 6590d38..71448dc 100644
--- a/apps/admin/src/layouts/MainLayout.tsx
+++ b/apps/admin/src/layouts/MainLayout.tsx
@@ -160,14 +160,13 @@ const MainLayout: React.FC = () => {
   useEffect(() => {
     if (location.pathname !== prevPathname.current) {
       prevPathname.current = location.pathname;
-      setOpenKeys(findOpenKeys(menuItems, location.pathname));
+      const routeOpenKeys = findOpenKeys(menuItems, location.pathname);
+      setOpenKeys((currentKeys) => [...new Set([...currentKeys, ...routeOpenKeys])]);
     }
   }, [location.pathname, menuItems]);
 
   const handleOpenChange = useCallback((keys: string[]) => {
-    // 只保留最新打开的一个子菜单
-    const latestKey = keys[keys.length - 1];
-    setOpenKeys(latestKey ? [latestKey] : []);
+    setOpenKeys(keys);
   }, []);
 
   const transformToMenuItems = (items: AppMenuItem[]): any[] => {