优化：积分页面积分同步处理

lib/app.dart

@@ -90,7 +90,7 @@ class _MainScaffold extends StatelessWidget {
       body: IndexedStack(
         index: currentTab.index,
         children: [
-          const HomeScreen(),
+          HomeScreen(isActive: currentTab == NavTab.home),
           GalleryScreen(isActive: currentTab == NavTab.gallery),
           ProfileScreen(isActive: currentTab == NavTab.profile),
         ],

lib/core/user/account_refresh.dart

@@ -0,0 +1,30 @@
+import '../api/api_config.dart';
+import '../api/services/user_api.dart';
+import '../auth/auth_service.dart';
+import 'user_state.dart';
+
+/// 刷新用户账户信息并更新 UserState
+///
+/// [updateProfile] 为 true 时，同时更新 avatar 和 userName（用于 Profile 页）
+Future<void> refreshAccount({bool updateProfile = false}) async {
+  final uid = UserState.userId.value;
+  if (uid == null || uid.isEmpty) return;
+  try {
+    await AuthService.loginComplete;
+    final res = await UserApi.getAccount(
+      sentinel: ApiConfig.appId,
+      asset: uid,
+    );
+    if (!res.isSuccess || res.data == null) return;
+    final data = res.data as Map<String, dynamic>?;
+    final credits = data?['reveal'] as int?;
+    if (credits != null) UserState.setCredits(credits);
+    if (updateProfile) {
+      final avatarUrl = data?['realm'] as String?;
+      UserState.setAvatar(
+          avatarUrl != null && avatarUrl.isNotEmpty ? avatarUrl : null);
+      final name = data?['terminal'] as String?;
+      UserState.setUserName(name != null && name.isNotEmpty ? name : null);
+    }
+  } catch (_) {}
+}

lib/features/gallery/gallery_screen.dart

@@ -8,7 +8,6 @@ import '../../core/api/services/image_api.dart';
 import '../../core/auth/auth_service.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_spacing.dart';
-import '../../core/user/user_state.dart';
 import '../../shared/widgets/top_nav_bar.dart';
 
 import 'models/gallery_task_item.dart';
@@ -142,9 +141,7 @@ class _GalleryScreenState extends State<GalleryScreen> {
       appBar: PreferredSize(
         preferredSize: const Size.fromHeight(56),
         child: TopNavBar(
-          title: 'Gallery',
+          title: 'My Gallery',
-          credits: UserCreditsData.of(context)?.creditsDisplay ?? '--',
-          onCreditsTap: () => Navigator.of(context).pushNamed('/recharge'),
         ),
       ),
       body: _loading
@@ -176,7 +173,8 @@ class _GalleryScreenState extends State<GalleryScreen> {
                           onRefresh: () => _loadTasks(refresh: true),
                           child: _gridItems.isEmpty && !_loading
                               ? SingleChildScrollView(
-                                  physics: const AlwaysScrollableScrollPhysics(),
+                                  physics:
+                                      const AlwaysScrollableScrollPhysics(),
                                   child: SizedBox(
                                     height: constraints.maxHeight - 100,
                                     child: Center(
@@ -190,7 +188,8 @@ class _GalleryScreenState extends State<GalleryScreen> {
                                   ),
                                 )
                               : GridView.builder(
-                                  physics: const AlwaysScrollableScrollPhysics(),
+                                  physics:
+                                      const AlwaysScrollableScrollPhysics(),
                                   controller: _scrollController,
                                   padding: EdgeInsets.fromLTRB(
                                     AppSpacing.screenPadding,
@@ -206,8 +205,8 @@ class _GalleryScreenState extends State<GalleryScreen> {
                                     mainAxisSpacing: AppSpacing.xl,
                                     crossAxisSpacing: AppSpacing.xl,
                                   ),
-                                  itemCount:
+                                  itemCount: _gridItems.length +
-                                      _gridItems.length + (_loadingMore ? 1 : 0),
+                                      (_loadingMore ? 1 : 0),
                                   itemBuilder: (context, index) {
                                     if (index >= _gridItems.length) {
                                       return const Center(

lib/features/generate_video/generate_video_screen.dart

@@ -13,13 +13,12 @@ import '../../core/log/app_logger.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_spacing.dart';
 import '../../core/theme/app_typography.dart';
+import '../../core/user/account_refresh.dart';
 import '../../core/user/user_state.dart';
 import '../../features/home/models/task_item.dart';
 import '../../shared/widgets/top_nav_bar.dart';
 
-import '../../core/api/api_config.dart';
 import '../../core/api/services/image_api.dart';
-import '../../core/api/services/user_api.dart';
 
 /// Generate Video screen - matches Pencil mmLB5
 class GenerateVideoScreen extends StatefulWidget {
@@ -56,6 +55,7 @@ class _GenerateVideoScreenState extends State<GenerateVideoScreen> {
   @override
   void initState() {
     super.initState();
+    refreshAccount();
     WidgetsBinding.instance.addPostFrameCallback((_) {
       GenerateVideoScreen._log.d('opened with task: ${widget.task}');
     });
@@ -192,17 +192,7 @@ class _GenerateVideoScreenState extends State<GenerateVideoScreen> {
       final taskId = taskData?['tree'];
 
       // 创建任务成功后刷新用户账户信息（积分等）
-      final accountRes = await UserApi.getAccount(
+      await refreshAccount();
-        sentinel: ApiConfig.appId,
-        asset: userId,
-      );
-      if (accountRes.isSuccess && accountRes.data != null) {
-        final accountData = accountRes.data as Map<String, dynamic>?;
-        final credits = accountData?['reveal'] as int?;
-        if (credits != null) {
-          UserState.setCredits(credits);
-        }
-      }
 
       if (!mounted) return;
       Navigator.of(context).pushReplacementNamed(
@@ -235,10 +225,8 @@ class _GenerateVideoScreenState extends State<GenerateVideoScreen> {
         preferredSize: const Size.fromHeight(56),
         child: TopNavBar(
           title: 'Generate Video',
-          credits: UserCreditsData.of(context)?.creditsDisplay ?? '--',
           showBackButton: true,
           onBack: () => Navigator.of(context).pop(),
-          onCreditsTap: () => Navigator.of(context).pushNamed('/recharge'),
         ),
       ),
       body: Column(

lib/features/home/home_screen.dart

@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
 
 import '../../core/api/services/image_api.dart';
-import '../../core/user/user_state.dart';
 import '../../core/auth/auth_service.dart';
+import '../../core/user/account_refresh.dart';
+import '../../core/user/user_state.dart';
 import '../../core/theme/app_spacing.dart';
 import '../../shared/widgets/top_nav_bar.dart';
 import 'models/category_item.dart';
@@ -12,7 +13,9 @@ import 'widgets/video_card.dart';
 
 /// AI Video App home screen - tab 来自分类接口，Grid 来自任务列表接口
 class HomeScreen extends StatefulWidget {
-  const HomeScreen({super.key});
+  const HomeScreen({super.key, this.isActive = true});
+
+  final bool isActive;
 
   @override
   State<HomeScreen> createState() => _HomeScreenState();
@@ -30,6 +33,15 @@ class _HomeScreenState extends State<HomeScreen> {
   void initState() {
     super.initState();
     _loadCategories();
+    if (widget.isActive) refreshAccount();
+  }
+
+  @override
+  void didUpdateWidget(covariant HomeScreen oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (widget.isActive && !oldWidget.isActive) {
+      refreshAccount();
+    }
   }
 
   Future<void> _loadCategories() async {

lib/features/profile/profile_screen.dart

@@ -2,9 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_lucide/flutter_lucide.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 
-import '../../core/api/api_config.dart';
+import '../../core/user/account_refresh.dart';
-import '../../core/api/services/user_api.dart';
-import '../../core/auth/auth_service.dart';
 import '../recharge/payment_webview_screen.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/user/user_state.dart';
@@ -25,41 +23,17 @@ class _ProfileScreenState extends State<ProfileScreen> {
   @override
   void initState() {
     super.initState();
-    if (widget.isActive) _fetchAccount();
+    if (widget.isActive) refreshAccount(updateProfile: true);
   }
 
   @override
   void didUpdateWidget(covariant ProfileScreen oldWidget) {
     super.didUpdateWidget(oldWidget);
     if (widget.isActive && !oldWidget.isActive) {
-      _fetchAccount();
+      refreshAccount(updateProfile: true);
     }
   }
 
-  Future<void> _fetchAccount() async {
-    final uid = UserState.userId.value;
-    if (uid == null || uid.isEmpty) return;
-    try {
-      await AuthService.loginComplete;
-      final res = await UserApi.getAccount(
-        sentinel: ApiConfig.appId,
-        asset: uid,
-      );
-      if (!mounted) return;
-      if (res.isSuccess && res.data != null) {
-        final data = res.data as Map<String, dynamic>?;
-        final credits = data?['reveal'] as int?;
-        if (credits != null) UserState.setCredits(credits);
-        final avatarUrl = data?['realm'] as String?;
-        UserState.setAvatar(
-            avatarUrl != null && avatarUrl.isNotEmpty ? avatarUrl : null);
-        final name = data?['terminal'] as String?;
-        UserState.setUserName(
-            name != null && name.isNotEmpty ? name : null);
-      }
-    } catch (_) {}
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(

lib/features/recharge/recharge_screen.dart

@@ -6,6 +6,7 @@ import '../../core/adjust/adjust_events.dart';
 import '../../core/api/api_config.dart';
 import '../../core/api/services/payment_api.dart';
 import '../../core/auth/auth_service.dart';
+import '../../core/user/account_refresh.dart';
 import '../../core/log/app_logger.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/user/user_state.dart';
@@ -39,6 +40,7 @@ class _RechargeScreenState extends State<RechargeScreen> with WidgetsBindingObse
   void initState() {
     super.initState();
     WidgetsBinding.instance.addObserver(this);
+    refreshAccount();
     _fetchActivities();
   }
 
@@ -368,10 +370,8 @@ class _RechargeScreenState extends State<RechargeScreen> with WidgetsBindingObse
         preferredSize: const Size.fromHeight(56),
         child: TopNavBar(
           title: 'Recharge',
-          credits: UserCreditsData.of(context)?.creditsDisplay ?? '--',
           showBackButton: true,
           onBack: () => Navigator.of(context).pop(),
-          onCreditsTap: null,
         ),
       ),
       body: SingleChildScrollView(