1

lib/pages/book/book_form_page.dart

@@ -263,7 +263,7 @@ class _BookFormPageState extends State<BookFormPage> {
                     icon: Icons.category_outlined,
                     onTap: () async {
                       final provider = context.read<AppProvider>();
-                      final tags = await provider.getTags('book_genre');
+                      final tags = await provider.getTags('book_genre', excludeHidden: true);
                       final existingNames = tags.map((t) => t['name'] as String).toList();
                       if (mounted) {
                         _showMultiValueDialog(

lib/pages/movies/movie_form_page.dart

@@ -539,7 +539,7 @@ class _MovieFormPageState extends State<MovieFormPage> {
                     icon: Icons.category_outlined,
                     onTap: () async {
                       final provider = context.read<AppProvider>();
-                      final tags = await provider.getTags('movie_genre');
+                      final tags = await provider.getTags('movie_genre', excludeHidden: true);
                       final existingNames = tags.map((t) => t['name'] as String).toList();
                       if (mounted) {
                         _showMultiValueDialog(

lib/pages/tag_management_page.dart

@@ -267,20 +267,22 @@ class _TagManagementPageState extends State<TagManagementPage> {
     final count = _usageCounts[name] ?? 0;
     final tagId = tag['id'] as String;
     final isNew = tagId == _newlyAddedTagId;
+    final isHidden = (tag['is_hidden'] as int?) == 1;
 
     return GestureDetector(
       key: ValueKey(tagId),
       onTap: () => _showTagMenu(tag),
       onLongPress: () => _showTagMenu(tag),
-      child: isNew
-          ? _NewTagHighlight(
-              child: _tagChipContent(name, count, colors),
-            )
-          : _tagChipContent(name, count, colors),
+      child: Opacity(
+        opacity: isHidden ? 0.4 : 1.0,
+        child: isNew
+            ? _NewTagHighlight(child: _tagChipContent(name, count, colors, isHidden: isHidden))
+            : _tagChipContent(name, count, colors, isHidden: isHidden),
+      ),
     );
   }
 
-  Widget _tagChipContent(String name, int count, ColorScheme colors) {
+  Widget _tagChipContent(String name, int count, ColorScheme colors, {bool isHidden = false}) {
     return Container(
       padding: const EdgeInsets.only(left: 14, right: 10, top: 8, bottom: 8),
       decoration: BoxDecoration(
@@ -293,7 +295,10 @@ class _TagManagementPageState extends State<TagManagementPage> {
       child: Row(
         mainAxisSize: MainAxisSize.min,
         children: [
-          Text(name, style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onSurface)),
+          Text(name, style: TextStyle(
+            fontSize: 14, fontWeight: FontWeight.w500, color: colors.onSurface,
+            decoration: isHidden ? TextDecoration.lineThrough : null,
+          )),
           if (count > 0) ...[
             const SizedBox(width: 6),
             Container(
@@ -341,6 +346,7 @@ class _TagManagementPageState extends State<TagManagementPage> {
   void _showTagMenu(Map<String, dynamic> tag) {
     final colors = Theme.of(context).colorScheme;
     final name = tag['name'] as String;
+    final isHidden = (tag['is_hidden'] as int?) == 1;
 
     showModalBottomSheet(
       context: context,
@@ -361,9 +367,28 @@ class _TagManagementPageState extends State<TagManagementPage> {
                   width: double.infinity,
                   padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
                   decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(12)),
-                  child: Text(name, style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface)),
+                  child: Row(
+                    children: [
+                      Expanded(child: Text(name, style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface))),
+                      if (isHidden) Container(
+                        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
+                        decoration: BoxDecoration(color: colors.outlineVariant, borderRadius: BorderRadius.circular(4)),
+                        child: Text('已隐藏', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.5))),
+                      ),
+                    ],
+                  ),
                 ),
                 const SizedBox(height: 16),
+                _menuAction(
+                  isHidden ? Icons.visibility_outlined : Icons.visibility_off_outlined,
+                  isHidden ? '取消隐藏' : '隐藏',
+                  colors,
+                  () async {
+                    Navigator.pop(ctx);
+                    await context.read<AppProvider>().toggleTagHidden(tag['id'] as String);
+                    await _loadTags(_currentType);
+                  },
+                ),
                 _menuAction(Icons.edit_outlined, '重命名', colors, () {
                   Navigator.pop(ctx);
                   _showRenameDialog(tag);

lib/providers/app_provider.dart

@@ -653,11 +653,16 @@ class AppProvider extends ChangeNotifier {
 
   // ========== 标签管理方法 ==========
 
-  Future<List<Map<String, dynamic>>> getTags(String type) async {
+  Future<List<Map<String, dynamic>>> getTags(String type, {bool excludeHidden = false}) async {
     if (_useRemote) {
       return await ServerDataService.instance.getTags(type.isEmpty ? null : type);
     }
-    return await _tagDao.getTagsByType(type);
+    return await _tagDao.getTagsByType(type, excludeHidden: excludeHidden);
+  }
+
+  Future<void> toggleTagHidden(String tagId) async {
+    await _tagDao.toggleHidden(tagId);
+    notifyListeners();
   }
 
   Future<String> addTag(String name, String type) async {

lib/utils/database_helper.dart

@@ -57,7 +57,7 @@ class DatabaseHelper {
 
     return await openDatabase(
       path,
-      version: 16,
+      version: 17,
       onCreate: _createDB,
       onUpgrade: _onUpgrade,
     );
@@ -140,6 +140,9 @@ class DatabaseHelper {
         await db.execute('ALTER TABLE books ADD COLUMN cover_offset REAL DEFAULT 0');
       }
     }
+    if (oldVersion < 17) {
+      await db.execute('ALTER TABLE tags ADD COLUMN is_hidden INTEGER NOT NULL DEFAULT 0');
+    }
   }
 
   /// 升级books表到V11（添加ISBN和出版时间字段）
@@ -207,6 +210,7 @@ class DatabaseHelper {
         name TEXT NOT NULL,
         type TEXT NOT NULL,
         created_at TEXT NOT NULL,
+        is_hidden INTEGER NOT NULL DEFAULT 0,
         UNIQUE(name, type)
       )
     ''');
@@ -631,6 +635,7 @@ class DatabaseHelper {
         name TEXT NOT NULL,
         type TEXT NOT NULL,
         created_at TEXT NOT NULL,
+        is_hidden INTEGER NOT NULL DEFAULT 0,
         UNIQUE(name, type)
       )
     ''');

lib/utils/tag/tag_dao.dart

@@ -16,10 +16,12 @@ class TagDao {
   }
 
   /// 获取指定类型的所有标签，按名称排序
-  Future<List<Map<String, dynamic>>> getTagsByType(String type) => _wrap('getTagsByType', () async {
+  /// [excludeHidden] 为 true 时，过滤掉隐藏标签
+  Future<List<Map<String, dynamic>>> getTagsByType(String type, {bool excludeHidden = false}) => _wrap('getTagsByType', () async {
     final db = await _dbHelper.database;
+    final where = excludeHidden ? 'type = ? AND is_hidden = 0' : 'type = ?';
     return await db.query('tags',
-        where: 'type = ?',
+        where: where,
         whereArgs: [type],
         orderBy: 'name ASC');
   });
@@ -122,6 +124,12 @@ class TagDao {
     await db.delete('tags', where: 'id = ?', whereArgs: [tagId]);
   });
 
+  /// 切换标签的隐藏状态
+  Future<void> toggleHidden(String tagId) => _wrap('toggleHidden', () async {
+    final db = await _dbHelper.database;
+    await db.rawUpdate('UPDATE tags SET is_hidden = 1 - is_hidden WHERE id = ?', [tagId]);
+  });
+
   /// 确保标签存在（用于替换操作）
   Future<void> _ensureTagExists(Transaction txn, String name, String type) async {
     final existing = await txn.query('tags',