diff --git a/lib/screens/activity_list_screen.dart b/lib/screens/activity_list_screen.dart
index 9def0c6..b41c821 100644
--- a/lib/screens/activity_list_screen.dart
+++ b/lib/screens/activity_list_screen.dart
@@ -3,6 +3,8 @@ import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
 import 'publish_screen.dart';
 import 'activity_detail_screen.dart';
 import 'friends_screen.dart';
+import 'messages_screen.dart';
+import 'profile_screen.dart';
 
 class ActivityListScreen extends StatefulWidget {
   @override
@@ -11,7 +13,8 @@ class ActivityListScreen extends StatefulWidget {
 
 class _ActivityListScreenState extends State<ActivityListScreen> {
   int _selectedIndex = 0;
-  
+  final _feedKey = GlobalKey<RefreshIndicatorState>();
+
   // 模拟活动数据
   final List<Map<String, dynamic>> activities = [
     {
@@ -65,14 +68,16 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
   ];
 
   Future<void> _refreshActivities() async {
-    await Future.delayed(Duration(seconds: 1));
     if (!mounted) return;
-    setState(() {});
+    setState(() {
+      activities.shuffle();
+    });
+    await Future.delayed(const Duration(milliseconds: 200));
   }
 
   void _onItemTapped(int index) {
     if (index == 0 && _selectedIndex == 0) {
-      _refreshActivities();
+      _feedKey.currentState?.show();
       return;
     }
     if (index == 2) {
@@ -90,6 +95,14 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
       );
       return;
     }
+    if (index == 3 || index == 4) {
+      if (_selectedIndex != index) {
+        setState(() {
+          _selectedIndex = index;
+        });
+      }
+      return;
+    }
     if (_selectedIndex != index) {
       setState(() {
         _selectedIndex = index;
@@ -123,7 +136,19 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
   }
 
   Widget _buildBody() {
+    switch (_selectedIndex) {
+      case 3:
+        return const MessagesScreen();
+      case 4:
+        return const ProfileScreen();
+      default:
+        return _buildFeed();
+    }
+  }
+
+  Widget _buildFeed() {
     return RefreshIndicator(
+      key: _feedKey,
       onRefresh: _refreshActivities,
       child: Padding(
         padding: EdgeInsets.all(12),
diff --git a/pubspec.yaml b/pubspec.yaml
index 15270bc..18391c2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: banxiang_app
 description: 伴享
-version: 1.1.4+6
+version: 1.1.5+7
 
 environment:
   sdk: '>=3.0.0 <4.0.0'
diff --git a/releases/banxiang-v1.1.5+7.apk b/releases/banxiang-v1.1.5+7.apk
new file mode 100644
index 0000000..f88a2f5
Binary files /dev/null and b/releases/banxiang-v1.1.5+7.apk differ