diff --git a/lib/screens/activity_list_screen.dart b/lib/screens/activity_list_screen.dart
index 2ea7e38..13c114a 100644
--- a/lib/screens/activity_list_screen.dart
+++ b/lib/screens/activity_list_screen.dart
@@ -19,36 +19,48 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
       'location': '人民公园',
       'participants': 12,
       'image': 'https://picsum.photos/seed/1/400/300',
+      'creator': '王阿姨',
+      'avatarSeed': 11,
     },
     {
       'title': '社区书法班开课啦',
       'location': '社区活动中心',
       'participants': 8,
       'image': 'https://picsum.photos/seed/2/400/500',
+      'creator': '李老师',
+      'avatarSeed': 22,
     },
     {
       'title': '广场舞队招新',
       'location': '中央广场',
       'participants': 25,
       'image': 'https://picsum.photos/seed/3/400/400',
+      'creator': '张姐',
+      'avatarSeed': 33,
     },
     {
       'title': '老年摄影兴趣小组',
       'location': '文化馆',
       'participants': 15,
       'image': 'https://picsum.photos/seed/4/400/350',
+      'creator': '陈叔',
+      'avatarSeed': 44,
     },
     {
       'title': '周三棋牌活动',
       'location': '社区会所',
       'participants': 20,
       'image': 'https://picsum.photos/seed/5/400/450',
+      'creator': '赵大哥',
+      'avatarSeed': 55,
     },
     {
       'title': '健康养生讲座',
       'location': '图书馆',
       'participants': 30,
       'image': 'https://picsum.photos/seed/6/400/380',
+      'creator': '刘阿姨',
+      'avatarSeed': 66,
     },
   ];
 
@@ -218,6 +230,38 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
                       ),
                     ],
                   ),
+                  SizedBox(height: 8),
+                  Row(
+                    children: [
+                      SizedBox(
+                        width: 24,
+                        height: 24,
+                        child: ClipOval(
+                          child: Image.network(
+                            'https://i.pravatar.cc/50?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]),
+                              );
+                            },
+                          ),
+                        ),
+                      ),
+                      SizedBox(width: 8),
+                      Expanded(
+                        child: Text(
+                          activity['creator'],
+                          style: TextStyle(
+                            fontSize: 12,
+                            color: Color(0xFF999999),
+                          ),
+                          overflow: TextOverflow.ellipsis,
+                        ),
+                      ),
+                    ],
+                  ),
                 ],
               ),
             ),
diff --git a/lib/screens/profile_setup_screen.dart b/lib/screens/profile_setup_screen.dart
index 29f3924..377e411 100644
--- a/lib/screens/profile_setup_screen.dart
+++ b/lib/screens/profile_setup_screen.dart
@@ -1,4 +1,8 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+
 import '../services/auth_service.dart';
 import '../utils/constants.dart';
 import 'activity_list_screen.dart';
@@ -13,10 +17,19 @@ class _ProfileSetupScreenState extends State<ProfileSetupScreen> {
   final _pageController = PageController();
   int _currentStep = 0;
   final _nicknameController = TextEditingController();
+  final ImagePicker _picker = ImagePicker();
   String? _gender;
   int? _birthYear;
+  XFile? _avatar;
   final Set<String> _selectedInterests = {};
 
+  Future<void> _pickAvatar() async {
+    final XFile? avatar = await _picker.pickImage(source: ImageSource.gallery, imageQuality: 85);
+    if (avatar != null) {
+      setState(() => _avatar = avatar);
+    }
+  }
+
   void _nextStep() {
     if (_currentStep < 2) {
       setState(() => _currentStep++);
@@ -66,11 +79,12 @@ class _ProfileSetupScreenState extends State<ProfileSetupScreen> {
                 const SizedBox(height: 32),
                 Center(
                   child: GestureDetector(
-                    onTap: () {},
+                    onTap: _pickAvatar,
                     child: CircleAvatar(
                       radius: 50,
+                      backgroundImage: _avatar != null ? FileImage(File(_avatar!.path)) : null,
                       backgroundColor: const Color(0xFFE3F2FD),
-                      child: const Icon(Icons.camera_alt, size: 32, color: Color(0xFF1976D2)),
+                      child: _avatar == null ? const Icon(Icons.camera_alt, size: 32, color: Color(0xFF1976D2)) : null,
                     ),
                   ),
                 ),
diff --git a/pubspec.yaml b/pubspec.yaml
index bf75880..9b46599 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: banxiang_app
 description: 伴享
-version: 1.1.0+2
+version: 1.1.1+3
 
 environment:
   sdk: '>=3.0.0 <4.0.0'