/settings改为 /settings_group，解决key重复的问题

client/admin/web_app.tsx

@@ -172,7 +172,7 @@ const MainLayout = () => {
       label: '消息管理',
     },
     {
-      key: '/settings',
+      key: '/settings_group',
       icon: <SettingOutlined />,
       label: '系统设置',
       children: [