优化

lib/pages/movies/movie_form_page.dart

@@ -1806,6 +1806,7 @@ class _MovieFormPageState extends State<MovieFormPage> {
       return;
     }
 
+    try {
     // 收集所有多值字段输入框中的未提交内容
     _collectUnsubmittedValues();
 
@@ -1869,6 +1870,10 @@ class _MovieFormPageState extends State<MovieFormPage> {
     ToastUtil.show(context, widget.movie == null ? '添加成功' : '更新成功');
 
     Navigator.pop(context);
+    } catch (e) {
+      if (!mounted) return;
+      ToastUtil.show(context, '保存失败: $e');
+    }
   }
 
   /// 将海报从临时ID目录移动到新的影视ID目录

lib/pages/movies/movie_review_form_page.dart

@@ -303,6 +303,7 @@ class _MovieReviewFormPageState extends State<MovieReviewFormPage> {
   Future<void> _saveReview() async {
     if (!_formKey.currentState!.validate()) return;
 
+    try {
     final now = DateTime.now();
 
     if (widget.review == null) {
@@ -331,5 +332,9 @@ class _MovieReviewFormPageState extends State<MovieReviewFormPage> {
     if (!mounted) return;
     ToastUtil.show(context, widget.review == null ? '添加成功' : '更新成功');
     Navigator.pop(context);
+    } catch (e) {
+      if (!mounted) return;
+      ToastUtil.show(context, '保存失败: $e');
+    }
   }
 }

lib/pages/movies/movie_tab_page.dart

@@ -28,6 +28,7 @@ class _MovieTabPageState extends State<MovieTabPage> {
   int _lastDataCount = -1;
   DateTime? _lastUpdatedAt;
   late ScrollController _scrollController;
+  AppProvider? _provider;
 
   static const _statusMap = {0: 'watched', 1: 'watching', 2: 'want_to_watch'};
 
@@ -38,6 +39,7 @@ class _MovieTabPageState extends State<MovieTabPage> {
     _scrollController = ScrollController()..addListener(_onScroll);
     WidgetsBinding.instance.addPostFrameCallback((_) {
       final provider = context.read<AppProvider>();
+      _provider = provider;
       provider.addListener(_onDataChanged);
       _lastDataCount = provider.movies.length;
       if (provider.movies.isNotEmpty) _lastUpdatedAt = provider.movies.first.updatedAt;
@@ -47,6 +49,7 @@ class _MovieTabPageState extends State<MovieTabPage> {
 
   @override
   void dispose() {
+    _provider?.removeListener(_onDataChanged);
     _scrollController.dispose();
     super.dispose();
   }