功能优化

lib/pages/note/note_detail_page.dart

@@ -5,6 +5,7 @@ import 'package:provider/provider.dart';
 import '../../providers/app_provider.dart';
 import '../../models/data_models.dart';
 import 'note_share_page.dart';
+import '../../widgets/fade_in_local_image.dart';
 
 /// 笔记详情页
 class NoteDetailPage extends StatefulWidget {
@@ -232,12 +233,10 @@ class _NoteDetailPageState extends State<NoteDetailPage> {
 
     for (final imgPath in note.images) {
       if (imgPath.contains(path) || path.contains(imgPath)) {
-        if (File(imgPath).existsSync()) {
           return ClipRRect(
             borderRadius: BorderRadius.circular(8),
-            child: Image.file(File(imgPath), fit: BoxFit.cover),
+            child: FadeInLocalImage(path: imgPath, fit: BoxFit.cover),
           );
-        }
       }
     }
 
@@ -265,7 +264,7 @@ class _NoteDetailPageState extends State<NoteDetailPage> {
               boundaryMargin: const EdgeInsets.all(20),
               minScale: 0.5,
               maxScale: 4,
-              child: Image.file(File(images[initialIndex]), fit: BoxFit.contain),
+              child: FadeInLocalImage(path: images[initialIndex], fit: BoxFit.contain),
             ),
           ),
         ),

lib/pages/note/note_tab_page.dart

@@ -6,6 +6,7 @@ import '../../models/data_models.dart';
 import '../../utils/user_prefs.dart';
 import '../../widgets/note_list_item.dart';
 import '../../widgets/shimmer_skeleton.dart';
+import '../../widgets/fade_in_local_image.dart';
 
 /// 笔记标签页
 class NoteTabPage extends StatefulWidget {
@@ -121,7 +122,15 @@ class _NoteTabPageState extends State<NoteTabPage> {
               }
 
               if (allNotes.isEmpty && _displayedNotes.isEmpty) {
-                return _buildEmptyState(context);
+                return RefreshIndicator(
+                  onRefresh: _refresh,
+                  color: const Color(0xFF1A1A1A),
+                  backgroundColor: Colors.white,
+                  child: ListView(
+                    physics: const AlwaysScrollableScrollPhysics(),
+                    children: [_buildEmptyState(context)],
+                  ),
+                );
               }
 
               if (_layoutStyle == 1) {
@@ -425,11 +434,10 @@ class _NoteTabPageState extends State<NoteTabPage> {
                 children: [
                   ClipRRect(
                     borderRadius: const BorderRadius.vertical(top: Radius.circular(10)),
-                    child: Image.file(
-                      File(images.first),
-                      width: double.infinity,
+                    child: FadeInLocalImage(
+                      path: images.first,
                       fit: BoxFit.cover,
-                      errorBuilder: (_, __, ___) => const SizedBox.shrink(),
+                      errorWidget: const SizedBox.shrink(),
                     ),
                   ),
                   if (extraCount > 0)