diff --git a/src/App.tsx b/src/App.tsx
index 648e2d3..179be00 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -22,13 +22,9 @@ const keyRouterMap: KeyRouterMap = new Map();
 function getItem(
   label: React.ReactNode,
   key: React.Key,
-  route?: { path: string; map: KeyRouterMap },
   icon?: React.ReactNode,
   children?: MenuItem[],
 ): MenuItem {
-  if (route !== undefined) {
-    route.map.set(key, route.path);
-  }
   return {
     key,
     icon,
@@ -42,9 +38,9 @@ function defMenu(
   key: React.Key,
   icon: React.ReactNode,
   path: string,
-  map: KeyRouterMap,
 ): MenuItem {
-  return getItem(label, key, { path: path, map: map }, icon);
+  keyRouterMap.set(key, path);
+  return getItem(label, key, icon);
 }
 
 function defRootMenu(
@@ -53,29 +49,30 @@ function defRootMenu(
   icon: React.ReactNode,
   children: MenuItem[],
 ): MenuItem {
-  return getItem(label, key, undefined, icon, children);
+  return getItem(label, key, icon, children);
 }
 
 function defSubMenu(
   label: React.ReactNode,
   key: React.Key,
   path: string,
-  map: KeyRouterMap,
 ): MenuItem {
-  return getItem(label, key, { path, map });
+  keyRouterMap.set(key, path);
+  return getItem(label, key);
 }
 
 const items: MenuItem[] = [
-  defMenu('主页', '0', <DesktopOutlined />, '/', keyRouterMap),
+  defMenu('主页', 'mainpage', <DesktopOutlined />, '/'),
   defRootMenu('展示信息管理', 'sub1', <UserOutlined />, [
-    defSubMenu('选项1', '1', '/admin/hello1', keyRouterMap),
-    defSubMenu('选项2', '2', '/admin/hello2', keyRouterMap),
-    defSubMenu('选项3', '3', '/admin/hello3', keyRouterMap),
+    defSubMenu('选项1', '1', '/admin/hello1'),
+    defSubMenu('选项2', '2', '/admin/hello2'),
+    defSubMenu('选项3', '3', '/admin/hello3'),
   ]),
   defRootMenu('值班组长', 'sub2', <TeamOutlined />, [
-    defSubMenu('选项1', '4', '/duty/hi1', keyRouterMap),
-    defSubMenu('选项2', '5', '/duty/hi2', keyRouterMap),
+    defSubMenu('选项1', '4', '/duty/hi1'),
+    defSubMenu('选项2', '5', '/duty/hi2'),
   ]),
+  defMenu('关于我们', 'aboutpage', <UserOutlined />, '/about'),
 ];
 
 interface BreadcrumbItem {