diff --git a/lib/screens/activity_list_screen.dart b/lib/screens/activity_list_screen.dart
index 4e79932..9def0c6 100644
--- a/lib/screens/activity_list_screen.dart
+++ b/lib/screens/activity_list_screen.dart
@@ -3,7 +3,6 @@ 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 'dart:math';
 
 class ActivityListScreen extends StatefulWidget {
   @override
@@ -127,24 +126,25 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
     return RefreshIndicator(
       onRefresh: _refreshActivities,
       child: Padding(
-        padding: EdgeInsets.all(8),
+        padding: EdgeInsets.all(12),
         child: MasonryGridView.count(
           crossAxisCount: 2,
-          mainAxisSpacing: 8,
-          crossAxisSpacing: 8,
+          mainAxisSpacing: 10,
+          crossAxisSpacing: 10,
           itemCount: activities.length,
           itemBuilder: (context, index) {
-            return _buildActivityCard(activities[index]);
+            return _buildActivityCard(activities[index], index);
           },
         ),
       ),
     );
   }
 
-  Widget _buildActivityCard(Map<String, dynamic> activity) {
-    final random = Random(activity['title'].hashCode);
-    final height = 200.0 + random.nextInt(100);
-    
+  Widget _buildActivityCard(Map<String, dynamic> activity, int index) {
+    final imageHeight = index.isOdd ? 160.0 : 210.0;
+    final coverUrl =
+        'https://picsum.photos/seed/${activity['title'].hashCode.abs()}/400/300';
+
     return GestureDetector(
       onTap: () {
         // 跳转到详情页
@@ -161,8 +161,8 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
           borderRadius: BorderRadius.circular(12),
           boxShadow: [
             BoxShadow(
-              color: Colors.black.withOpacity(0.08),
-              blurRadius: 8,
+              color: Colors.black.withOpacity(0.06),
+              blurRadius: 6,
               offset: Offset(0, 2),
             ),
           ],
@@ -173,36 +173,29 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
             // 封面图片
             ClipRRect(
               borderRadius: BorderRadius.vertical(top: Radius.circular(12)),
-              child: Container(
-                height: height,
+              child: SizedBox(
+                height: imageHeight,
                 width: double.infinity,
-                color: Colors.grey[200],
-                child: Stack(
-                  children: [
-                    Center(
-                      child: Icon(Icons.image, size: 40, color: Colors.grey[400]),
-                    ),
-                    Image.network(
-                      activity['image'],
-                      height: height,
-                      width: double.infinity,
-                      fit: BoxFit.cover,
-                      errorBuilder: (context, error, stackTrace) {
-                        return Container(
-                          color: Colors.grey[200],
-                          child: Center(
-                            child: Icon(Icons.image, size: 40, color: Colors.grey[400]),
-                          ),
-                        );
-                      },
-                    ),
-                  ],
+                child: Image.network(
+                  coverUrl,
+                  fit: BoxFit.cover,
+                  errorBuilder: (context, error, stackTrace) {
+                    return Container(
+                      color: Colors.grey[200],
+                      alignment: Alignment.center,
+                      child: Icon(
+                        Icons.image_outlined,
+                        size: 40,
+                        color: Colors.grey[400],
+                      ),
+                    );
+                  },
                 ),
               ),
             ),
             // 标题和信息
             Padding(
-              padding: EdgeInsets.all(12),
+              padding: EdgeInsets.all(8),
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
@@ -210,57 +203,31 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
                     activity['title'],
                     style: TextStyle(
                       fontSize: 14,
-                      fontWeight: FontWeight.w600,
+                      fontWeight: FontWeight.bold,
                       color: Color(0xFF333333),
                     ),
                     maxLines: 2,
                     overflow: TextOverflow.ellipsis,
                   ),
-                  SizedBox(height: 8),
-                  Row(
-                    children: [
-                      Icon(Icons.location_on, size: 14, color: Color(0xFF999999)),
-                      SizedBox(width: 4),
-                      Expanded(
-                        child: Text(
-                          activity['location'],
-                          style: TextStyle(
-                            fontSize: 12,
-                            color: Color(0xFF999999),
-                          ),
-                          overflow: TextOverflow.ellipsis,
-                        ),
-                      ),
-                    ],
-                  ),
                   SizedBox(height: 4),
-                  Row(
-                    children: [
-                      Icon(Icons.people, size: 14, color: Color(0xFF999999)),
-                      SizedBox(width: 4),
-                      Text(
-                        '${activity['participants']}人报名',
-                        style: TextStyle(
-                          fontSize: 12,
-                          color: Color(0xFF999999),
-                        ),
-                      ),
-                    ],
-                  ),
-                  SizedBox(height: 8),
                   Row(
                     children: [
                       SizedBox(
-                        width: 24,
-                        height: 24,
+                        width: 32,
+                        height: 32,
                         child: ClipOval(
                           child: Image.network(
-                            'https://i.pravatar.cc/50?img=${activity['avatarSeed']}',
+                            'https://i.pravatar.cc/40?img=${activity['avatarSeed']}',
                             fit: BoxFit.cover,
                             errorBuilder: (context, error, stackTrace) {
                               return Container(
                                 color: Colors.grey[200],
-                                child: Icon(Icons.person, size: 14, color: Colors.grey[500]),
+                                alignment: Alignment.center,
+                                child: Icon(
+                                  Icons.person,
+                                  size: 16,
+                                  color: Colors.grey[500],
+                                ),
                               );
                             },
                           ),
@@ -268,15 +235,25 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
                       ),
                       SizedBox(width: 8),
                       Expanded(
+                        flex: 3,
                         child: Text(
                           activity['creator'],
                           style: TextStyle(
                             fontSize: 12,
                             color: Color(0xFF999999),
                           ),
+                          maxLines: 1,
                           overflow: TextOverflow.ellipsis,
                         ),
                       ),
+                      Spacer(flex: 1),
+                      Text(
+                        '${activity['participants']}人',
+                        style: TextStyle(
+                          fontSize: 12,
+                          color: Color(0xFFFF6B35),
+                        ),
+                      ),
                     ],
                   ),
                 ],
diff --git a/pubspec.yaml b/pubspec.yaml
index a12c8d5..15270bc 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: banxiang_app
 description: 伴享
-version: 1.1.3+5
+version: 1.1.4+6
 
 environment:
   sdk: '>=3.0.0 <4.0.0'
diff --git a/releases/banxiang-v1.1.4+6.apk b/releases/banxiang-v1.1.4+6.apk
new file mode 100644
index 0000000..d1de6e4
Binary files /dev/null and b/releases/banxiang-v1.1.4+6.apk differ