云备份界面优化

lib/pages/book/book_detail_page.dart

@@ -580,6 +580,7 @@ class _BookDetailPageState extends State<BookDetailPage> {
       'read' => ('已读', colors.primary, colors.onPrimary),
       'reading' => ('在读', colors.outlineVariant, colors.onSurface.withValues(alpha: 0.6)),
       'want_to_read' => ('想读', colors.surfaceContainerHighest, colors.onSurface.withValues(alpha: 0.4)),
+      'abandoned' => ('弃读', colors.error.withValues(alpha: 0.15), colors.error),
       _ => ('', colors.surfaceContainerHighest, colors.onSurface.withValues(alpha: 0.3)),
     };
     if (label.isEmpty) return const SizedBox.shrink();
@@ -702,6 +703,11 @@ class _BookDetailPageState extends State<BookDetailPage> {
         bgColor = colors.surfaceContainerHighest;
         textColor = colors.onSurface.withValues(alpha: 0.4);
         break;
+      case 'abandoned':
+        label = '弃读';
+        bgColor = colors.error.withValues(alpha: 0.15);
+        textColor = colors.error;
+        break;
       default:
         label = '未知';
         bgColor = colors.outlineVariant;

lib/pages/book/book_form_page.dart

@@ -266,6 +266,7 @@ class _BookFormPageState extends State<BookFormPage> {
               _buildStatusOption('想读', 'want_to_read'),
               _buildStatusOption('在读', 'reading'),
               _buildStatusOption('已读', 'read'),
+              _buildStatusOption('弃读', 'abandoned'),
             ]),
           ),
         ]),

lib/pages/book/book_tab_page.dart

@@ -44,7 +44,7 @@ class _BookTabPageState extends State<BookTabPage> {
     }
   }
 
-  static const _statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read'};
+  static const _statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read', 3: 'abandoned'};
 
   @override
   void initState() {
@@ -166,7 +166,7 @@ class _BookTabPageState extends State<BookTabPage> {
         final direction = (velocity ?? 0) > 0 ? -1 : 1; // 右滑→上一个，左滑→下一个
         final provider = context.read<AppProvider>();
         final currentIndex = provider.bookStatusIndex;
-        final newIndex = (currentIndex + direction + 3) % 3;
+        final newIndex = (currentIndex + direction + 4) % 4;
         setState(() => _dragDelta = 0.0);
         provider.setBookStatusIndex(newIndex);
       },
@@ -297,7 +297,7 @@ class _BookTabPageState extends State<BookTabPage> {
     final colors = Theme.of(context).colorScheme;
     final provider = context.read<AppProvider>();
     final isWallMode = provider.bookshelfMode;
-    final statusText = isWallMode ? '' : ['已读', '在读', '想读'][statusIndex];
+    final statusText = isWallMode ? '' : ['已读', '在读', '想读', '弃读'][statusIndex];
     return Center(child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
       Container(width: 80, height: 80,
           decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(20)),

lib/pages/sync/cloud_sync_page.dart

@@ -24,6 +24,15 @@ class CloudSyncPage extends StatelessWidget {
             onTap: () =>
                 Navigator.push(context, MaterialPageRoute(builder: (_) => const WebDAVSyncPage())),
           ),
+          const SizedBox(height: 12),
+          _buildOption(
+            colors: colors,
+            icon: Icons.cloud_sync_outlined,
+            title: '服务器云同步',
+            subtitle: '自建云同步服务器，多端同步更改',
+            onTap: () {},
+            enabled: false,
+          ),
           const SizedBox(height: 20),
           _buildInfo(colors),
         ],

lib/pages/sync/webdav_sync_page.dart

@@ -21,10 +21,13 @@ class _WebDAVSyncPageState extends State<WebDAVSyncPage> {
   bool _isLoading = false;
   bool _isConfigured = false;
   bool _obscurePassword = true;
-  bool _isAutoSyncEnabled = false;
-  int _autoSyncInterval = 5;
   SyncDirection _syncDirection = SyncDirection.upload;
 
+  // 远程备份信息
+  DateTime? _remoteModifiedTime;
+  int? _remoteFileSize;
+  bool _isLoadingRemoteInfo = false;
+
   @override
   void initState() {
     super.initState();
@@ -50,14 +53,24 @@ class _WebDAVSyncPageState extends State<WebDAVSyncPage> {
         _pathController.text = config['path'] ?? '/mooknote';
         _isConfigured = true;
       });
+      _loadRemoteInfo();
     }
 
     final autoSyncEnabled = await WebDAVService.instance.isAutoSyncEnabled();
     final autoSyncInterval = await WebDAVService.instance.getAutoSyncInterval();
-    setState(() {
+    debugPrint('WebDAV auto sync: enabled=$autoSyncEnabled, interval=$autoSyncInterval');
-      _isAutoSyncEnabled = autoSyncEnabled;
+  }
-      _autoSyncInterval = autoSyncInterval;
+
-    });
+  Future<void> _loadRemoteInfo() async {
+    setState(() => _isLoadingRemoteInfo = true);
+    final info = await WebDAVService.instance.getRemoteBackupInfo();
+    if (mounted) {
+      setState(() {
+        _remoteModifiedTime = info?['modifiedTime'] as DateTime?;
+        _remoteFileSize = info?['size'] as int?;
+        _isLoadingRemoteInfo = false;
+      });
+    }
   }
 
   Future<void> _saveConfig() async {
@@ -118,6 +131,8 @@ class _WebDAVSyncPageState extends State<WebDAVSyncPage> {
       if (!mounted) return;
 
       if (result.success) {
+        // 同步成功后刷新远程文件信息
+        _loadRemoteInfo();
         final details = '上传: ${result.uploadedFiles} 文件, ${result.uploadedImages} 图片\n'
             '下载: ${result.downloadedFiles} 文件, ${result.downloadedImages} 图片';
 
@@ -189,76 +204,79 @@ class _WebDAVSyncPageState extends State<WebDAVSyncPage> {
     );
   }
 
-  Future<void> _toggleAutoSync(bool value) async {
+  Future<void> _showUploadConfirm() async {
-    setState(() => _isLoading = true);
+    final confirmed = await showDialog<bool>(
-    try {
-      if (value) {
-        await WebDAVService.instance.startAutoSync();
-        if (mounted) ToastUtil.show(context, '自动同步已开启，每 $_autoSyncInterval 分钟同步一次');
-      } else {
-        await WebDAVService.instance.stopAutoSync();
-        if (mounted) ToastUtil.show(context, '自动同步已关闭');
-      }
-      setState(() => _isAutoSyncEnabled = value);
-    } catch (e) {
-      if (mounted) ToastUtil.show(context, '设置失败: $e');
-    } finally {
-      if (mounted) setState(() => _isLoading = false);
-    }
-  }
-
-  Future<void> _showIntervalPicker() async {
-    final intervals = [1, 3, 5, 10, 15, 30, 60];
-    final selected = await showModalBottomSheet<int>(
       context: context,
-      backgroundColor: Colors.white,
-      shape: const RoundedRectangleBorder(
-          borderRadius: BorderRadius.vertical(top: Radius.circular(16))),
       builder: (ctx) {
         final colors = Theme.of(ctx).colorScheme;
-        return SafeArea(
+        return AlertDialog(
-          child: Column(
+          backgroundColor: colors.surface,
-            mainAxisSize: MainAxisSize.min,
+          elevation: 0,
-            children: [
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
-              const SizedBox(height: 8),
+          title: Text('确认上传',
-              Container(
+              style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
-                  width: 36,
+          content: Text('该操作会覆盖掉远程数据，请谨慎操作，点击确定继续上传',
-                  height: 4,
+              style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.6)),
-                  decoration: BoxDecoration(
+          actions: [
-                      color: colors.onSurface.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(2))),
+            TextButton(
-              const SizedBox(height: 12),
+              onPressed: () => Navigator.pop(ctx, false),
-              Text('同步间隔',
+              child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6))),
-                  style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)),
+            ),
-              const SizedBox(height: 8),
+            ElevatedButton(
-              ...intervals.map((i) => ListTile(
+              onPressed: () => Navigator.pop(ctx, true),
-                    title: Text('$i 分钟',
+              style: ElevatedButton.styleFrom(
-                        style: TextStyle(
+                backgroundColor: colors.primary,
-                            fontSize: 15,
+                foregroundColor: colors.onPrimary,
-                            fontWeight: _autoSyncInterval == i ? FontWeight.w600 : FontWeight.w400,
+                elevation: 0,
-                            color: colors.onSurface)),
+                shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
-                    trailing: _autoSyncInterval == i
+              ),
-                        ? Icon(Icons.check, color: colors.primary, size: 20)
+              child: const Text('确定'),
-                        : null,
+            ),
-                    onTap: () => Navigator.pop(ctx, i),
+          ],
-                  )),
-              const SizedBox(height: 8),
-            ],
-          ),
         );
       },
     );
+    if (confirmed == true) {
+      setState(() => _syncDirection = SyncDirection.upload);
+      _syncData();
+    }
+  }
 
-    if (selected != null && selected != _autoSyncInterval) {
+  Future<void> _showDownloadConfirm() async {
-      setState(() => _isLoading = true);
+    final confirmed = await showDialog<bool>(
-      try {
+      context: context,
-        await WebDAVService.instance.setAutoSyncInterval(selected);
+      builder: (ctx) {
-        setState(() => _autoSyncInterval = selected);
+        final colors = Theme.of(ctx).colorScheme;
-        if (mounted) ToastUtil.show(context, '同步间隔已设置为 $selected 分钟');
+        return AlertDialog(
-      } catch (e) {
+          backgroundColor: colors.surface,
-        if (mounted) ToastUtil.show(context, '设置失败: $e');
+          elevation: 0,
-      } finally {
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
-        if (mounted) setState(() => _isLoading = false);
+          title: Text('确认下载',
-      }
+              style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
+          content: Text('该操作会拉取远程数据覆盖掉本地数据，请谨慎操作，点击确定将数据拉取到本地',
+              style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.6)),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(ctx, false),
+              child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6))),
+            ),
+            ElevatedButton(
+              onPressed: () => Navigator.pop(ctx, true),
+              style: ElevatedButton.styleFrom(
+                backgroundColor: colors.primary,
+                foregroundColor: colors.onPrimary,
+                elevation: 0,
+                shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+              ),
+              child: const Text('确定'),
+            ),
+          ],
+        );
+      },
+    );
+    if (confirmed == true) {
+      setState(() => _syncDirection = SyncDirection.download);
+      _syncData();
     }
   }
 
@@ -325,7 +343,6 @@ class _WebDAVSyncPageState extends State<WebDAVSyncPage> {
         _passwordController.clear();
         _pathController.text = '/mooknote';
         _isConfigured = false;
-        _isAutoSyncEnabled = false;
       });
       if (mounted) ToastUtil.show(context, '配置已清除');
     }
@@ -339,18 +356,18 @@ class _WebDAVSyncPageState extends State<WebDAVSyncPage> {
     return Scaffold(
       backgroundColor: colors.surface,
       appBar: AppBar(title: const Text('WebDAV 备份')),
-      body: _isLoading && !_isConfigured
+      body: Stack(
-          ? Center(child: CircularProgressIndicator(strokeWidth: 2, color: colors.primary))
+        children: [
-          : ListView(
+          ListView(
-              padding: const EdgeInsets.symmetric(horizontal: 20),
+            padding: const EdgeInsets.symmetric(horizontal: 20),
-              children: [
+            children: [
-                const SizedBox(height: 4),
+              const SizedBox(height: 4),
 
-                // 已连接提示
+              // 已连接提示
-                if (_isConfigured) _buildConnectedBanner(colors),
+              if (_isConfigured) _buildConnectedBanner(colors),
 
-                // 服务器配置
+              // 服务器配置
-                _buildSectionLabel(colors, '服务器配置'),
+              _buildSectionLabel(colors, '服务器配置'),
                 const SizedBox(height: 12),
                 _buildInput(
                   colors: colors,
@@ -391,61 +408,39 @@ class _WebDAVSyncPageState extends State<WebDAVSyncPage> {
 
                 // 测试并保存
                 _buildBtn(colors, '测试并保存', onTap: _isLoading ? null : _saveConfig),
+                if (_isConfigured) ...[
+                  const SizedBox(height: 8),
+                  Center(
+                    child: GestureDetector(
+                      onTap: _isLoading ? null : _clearConfig,
+                      child: Padding(
+                        padding: const EdgeInsets.symmetric(vertical: 4),
+                        child: Text('清除配置',
+                            style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.35))),
+                      ),
+                    ),
+                  ),
+                ],
                 const SizedBox(height: 28),
 
                 if (_isConfigured) ...[
-                  // 手动同步
+                  // 远程备份信息卡片（包含操作按钮）
-                  _buildSectionLabel(colors, '手动同步'),
+                  _buildRemoteInfoCard(colors),
-                  const SizedBox(height: 12),
-                  Row(
-                    children: [
-                      Expanded(
-                          child: _buildDirectionChip(
-                              colors, '上传到云端', SyncDirection.upload, Icons.upload)),
-                      const SizedBox(width: 12),
-                      Expanded(
-                          child: _buildDirectionChip(
-                              colors, '下载到本地', SyncDirection.download, Icons.download)),
-                    ],
-                  ),
-                  const SizedBox(height: 16),
-                  _buildBtn(colors, '立即同步', onTap: _isLoading ? null : _syncData, loading: _isLoading),
-
                   const SizedBox(height: 24),
-
-                  // 自动同步
-                  _buildSectionLabel(colors, '自动同步'),
-                  const SizedBox(height: 10),
-                  _buildSwitchRow(
-                    colors: colors,
-                    icon: Icons.sync,
-                    label: '自动同步',
-                    sub: _isAutoSyncEnabled ? '每 $_autoSyncInterval 分钟自动同步' : '关闭',
-                    value: _isAutoSyncEnabled,
-                    onChanged: _isLoading ? null : _toggleAutoSync,
-                  ),
-                  if (_isAutoSyncEnabled) ...[
-                    const SizedBox(height: 4),
-                    _buildTappableRow(
-                      colors: colors,
-                      label: '同步间隔',
-                      value: '$_autoSyncInterval 分钟',
-                      onTap: _isLoading ? null : _showIntervalPicker,
-                    ),
-                  ],
-
-                  const SizedBox(height: 24),
-
-                  // 清除配置
-                  _buildTextBtn(colors, '清除配置', onTap: _isLoading ? null : _clearConfig),
-                  const SizedBox(height: 4),
                 ],
 
-                const SizedBox(height: 24),
+              const SizedBox(height: 24),
-                _buildTips(colors),
+              _buildTips(colors),
-                const SizedBox(height: 40),
+              const SizedBox(height: 40),
-              ],
+            ],
+          ),
+          if (_isLoading)
+            Container(
+              color: colors.surface.withValues(alpha: 0.7),
+              child: Center(child: CircularProgressIndicator(strokeWidth: 2, color: colors.primary)),
             ),
+        ],
+      ),
     );
   }
 
@@ -558,126 +553,92 @@ class _WebDAVSyncPageState extends State<WebDAVSyncPage> {
     );
   }
 
-  Widget _buildTextBtn(ColorScheme colors, String text, {VoidCallback? onTap}) {
+  Widget _buildRemoteInfoCard(ColorScheme colors) {
-    return GestureDetector(
+    String timeText;
-      onTap: onTap,
+    String sizeText = '';
-      child: Center(
+
-        child: Padding(
+    if (_isLoadingRemoteInfo) {
-          padding: const EdgeInsets.symmetric(vertical: 8),
+      timeText = '加载中...';
-          child: Text(
+    } else if (_remoteModifiedTime != null) {
-              text,
+      final dt = _remoteModifiedTime!;
-              style: TextStyle(
+      timeText = '${dt.year}-${dt.month.toString().padLeft(2, '0')}-${dt.day.toString().padLeft(2, '0')} ${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}';
-                  fontSize: 14,
+      if (_remoteFileSize != null) {
-                  color: onTap == null
+        sizeText = _formatFileSize(_remoteFileSize!);
-                      ? colors.onSurface.withValues(alpha: 0.25)
+      }
-                      : colors.onSurface.withValues(alpha: 0.4))),
+    } else {
-        ),
+      timeText = '暂无备份文件';
-      ),
+    }
-    );
-  }
 
-  Widget _buildSwitchRow({
-    required ColorScheme colors,
-    required IconData icon,
-    required String label,
-    required String sub,
-    required bool value,
-    required ValueChanged<bool>? onChanged,
-  }) {
     return Container(
-      padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 8),
+      padding: const EdgeInsets.all(16),
       decoration: BoxDecoration(
         color: colors.surfaceContainerHigh,
-        borderRadius: BorderRadius.circular(8),
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(color: colors.outlineVariant.withValues(alpha: 0.5), width: 0.5),
       ),
-      child: Row(
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          Icon(icon,
+          Row(
-              size: 18,
+            children: [
-              color: value ? colors.primary : colors.onSurface.withValues(alpha: 0.3)),
+              Icon(Icons.cloud_outlined, size: 18, color: colors.primary),
-          const SizedBox(width: 10),
+              const SizedBox(width: 8),
-          Expanded(
+              Text('云端备份', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface)),
-            child: Text(
+              const Spacer(),
-              value ? sub : label,
+              if (_isLoadingRemoteInfo)
-              style: TextStyle(
+                SizedBox(width: 14, height: 14, child: CircularProgressIndicator(strokeWidth: 2, color: colors.primary)),
-                  fontSize: 13,
+            ],
-                  color: value ? colors.onSurface.withValues(alpha: 0.6) : colors.onSurface),
-            ),
           ),
-          Switch(
+          const SizedBox(height: 12),
-            value: value,
+          Row(
-            onChanged: onChanged,
+            children: [
-            activeThumbColor: colors.primary,
+              Expanded(
-            activeTrackColor: colors.primary.withValues(alpha: 0.3),
+                child: Column(
-            inactiveThumbColor: colors.surface,
+                  crossAxisAlignment: CrossAxisAlignment.start,
-            inactiveTrackColor: colors.onSurface.withValues(alpha: 0.15),
+                  children: [
+                    Text('上传时间', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))),
+                    const SizedBox(height: 4),
+                    Text(timeText, style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)),
+                  ],
+                ),
+              ),
+              if (sizeText.isNotEmpty)
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text('文件大小', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))),
+                      const SizedBox(height: 4),
+                      Text(sizeText, style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)),
+                    ],
+                  ),
+                ),
+            ],
+          ),
+          const SizedBox(height: 16),
+          const Divider(height: 0.5, color: Color(0xFFE0E0E0)),
+          const SizedBox(height: 12),
+          Row(
+            children: [
+              Expanded(
+                child: _buildBtn(colors, '上传', onTap: _isLoading ? null : () => _showUploadConfirm(), loading: _isLoading),
+              ),
+              const SizedBox(width: 12),
+              Expanded(
+                child: _buildBtn(colors, '下载', onTap: _isLoading ? null : () => _showDownloadConfirm(), loading: _isLoading),
+              ),
+            ],
           ),
         ],
       ),
     );
   }
 
-  Widget _buildTappableRow({
+  String _formatFileSize(int bytes) {
-    required ColorScheme colors,
+    if (bytes < 1024) return '${bytes}B';
-    required String label,
+    if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)}KB';
-    required String value,
+    if (bytes < 1024 * 1024 * 1024) return '${(bytes / (1024 * 1024)).toStringAsFixed(1)}MB';
-    VoidCallback? onTap,
+    return '${(bytes / (1024 * 1024 * 1024)).toStringAsFixed(1)}GB';
-  }) {
-    return GestureDetector(
-      onTap: onTap,
-      child: Container(
-        padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 8),
-        decoration: BoxDecoration(
-          color: colors.surfaceContainerHigh,
-          borderRadius: BorderRadius.circular(8),
-        ),
-        child: Row(
-          children: [
-            const SizedBox(width: 28),
-            Text(label,
-                style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.4))),
-            const Spacer(),
-            Text(value,
-                style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.6))),
-            const SizedBox(width: 4),
-            Icon(Icons.chevron_right,
-                size: 16, color: colors.onSurface.withValues(alpha: 0.25)),
-          ],
-        ),
-      ),
-    );
-  }
-
-  Widget _buildDirectionChip(ColorScheme colors, String label, SyncDirection dir, IconData icon) {
-    final selected = _syncDirection == dir;
-    return GestureDetector(
-      onTap: () => setState(() => _syncDirection = dir),
-      child: Container(
-        padding: const EdgeInsets.symmetric(vertical: 10),
-        decoration: BoxDecoration(
-          color: selected ? colors.primary : colors.surfaceContainerHigh,
-          borderRadius: BorderRadius.circular(8),
-        ),
-        child: Row(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            Icon(icon,
-                size: 16,
-                color: selected
-                    ? colors.onPrimary
-                    : colors.onSurface.withValues(alpha: 0.4)),
-            const SizedBox(width: 6),
-            Text(label,
-                style: TextStyle(
-                    fontSize: 13,
-                    fontWeight: FontWeight.w500,
-                    color: selected
-                        ? colors.onPrimary
-                        : colors.onSurface.withValues(alpha: 0.6))),
-          ],
-        ),
-      ),
-    );
   }
 
   Widget _buildTips(ColorScheme colors) {

lib/utils/sync/webdav_service.dart

@@ -490,7 +490,57 @@ class WebDAVService {
     }
   }
 
-  /// 获取远程文件的修改时间
+  /// 获取远程备份文件信息（修改时间和大小）
+  Future<Map<String, dynamic>?> getRemoteBackupInfo() async {
+    final config = await getConfig();
+    if (config == null) return null;
+
+    final url = config['url']!;
+    final username = config['username']!;
+    final password = config['password']!;
+    final path = config['path']!;
+
+    final baseUrl = url.endsWith('/') ? url.substring(0, url.length - 1) : url;
+    final zipUrl = '$baseUrl$path/mooknote_backup.zip';
+
+    final client = http.Client();
+    try {
+      var request = http.Request('HEAD', Uri.parse(zipUrl));
+      request.headers['Authorization'] = _basicAuth(username, password);
+
+      var response = await client.send(request);
+
+      // 处理重定向
+      if (response.statusCode == 301 || response.statusCode == 302 ||
+          response.statusCode == 307 || response.statusCode == 308) {
+        final location = response.headers['location'];
+        if (location != null) {
+          request = http.Request('HEAD', Uri.parse(location));
+          request.headers['Authorization'] = _basicAuth(username, password);
+          response = await client.send(request);
+        }
+      }
+
+      if (response.statusCode == 200) {
+        final lastModified = response.headers['last-modified'];
+        final contentLength = response.headers['content-length'];
+        DateTime? modifiedTime;
+        if (lastModified != null) {
+          modifiedTime = HttpDate.parse(lastModified).toLocal();
+        }
+        return {
+          'modifiedTime': modifiedTime,
+          'size': contentLength != null ? int.tryParse(contentLength) : null,
+        };
+      }
+      return null;
+    } catch (e) {
+      debugPrint('[WebDAV] 获取远程备份信息失败: $e');
+      return null;
+    } finally {
+      client.close();
+    }
+  }
   Future<DateTime?> _getRemoteFileModifiedTime(
     http.Client client,
     String url,

lib/widgets/add_sheet.dart

@@ -13,7 +13,7 @@ void showQuickAddSheet(BuildContext context, AppProvider provider) {
       Navigator.pushNamed(context, '/movie-form',
           arguments: {'initialStatus': currentStatus});
     case 1:
-      final statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read'};
+      final statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read', 3: 'abandoned'};
       final currentStatus =
           statusMap[provider.bookStatusIndex] ?? 'want_to_read';
       Navigator.pushNamed(context, '/book-form',
@@ -93,6 +93,7 @@ void showAddSheet(BuildContext context, AppProvider provider) {
                     0: 'read',
                     1: 'reading',
                     2: 'want_to_read',
+                    3: 'abandoned',
                   };
                   final s =
                       statusMap[provider.bookStatusIndex] ?? 'want_to_read';

lib/widgets/book_status_bar.dart

@@ -26,7 +26,7 @@ class BookStatusBar extends StatelessWidget {
             ),
             child: LayoutBuilder(
               builder: (context, constraints) {
-                final tabWidth = constraints.maxWidth / 3;
+                final tabWidth = constraints.maxWidth / 4;
                 return SizedBox(
                   height: 40,
                   child: Stack(
@@ -57,6 +57,8 @@ class BookStatusBar extends StatelessWidget {
                               () => provider.setBookStatusIndex(1)),
                           _buildTab(colors, '想读', Icons.bookmark_outlined, currentIndex == 2,
                               () => provider.setBookStatusIndex(2)),
+                          _buildTab(colors, '弃读', Icons.cancel_outlined, currentIndex == 3,
+                              () => provider.setBookStatusIndex(3)),
                         ],
                       ),
                     ],

lib/widgets/note_list_item.dart

@@ -39,75 +39,53 @@ class _NoteListItemContent extends StatelessWidget {
       },
       onLongPress: () => _showActions(context),
       child: Container(
-        margin: const EdgeInsets.only(bottom: 8),
+        margin: const EdgeInsets.only(bottom: 6),
-        padding: const EdgeInsets.all(14),
+        padding: const EdgeInsets.all(12),
         decoration: BoxDecoration(
           color: colors.surfaceContainerHigh,
-          borderRadius: BorderRadius.circular(12),
+          borderRadius: BorderRadius.circular(10),
           border: selected ? Border.all(color: colors.primary, width: 1.5) : null,
         ),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           mainAxisSize: MainAxisSize.min,
           children: [
-            // 标题（带置顶图标）
+            // 标题行（带置顶图标 + 时间）
-            if (note.title.isNotEmpty) ...[
+            Row(
-              const SizedBox(height: 6),
+              crossAxisAlignment: CrossAxisAlignment.center,
-              Row(
+              children: [
-                children: [
+                if (note.isPinned)
-                  if (note.isPinned)
+                  Padding(
-                    Padding(
+                    padding: const EdgeInsets.only(right: 4),
-                      padding: const EdgeInsets.only(right: 4),
+                    child: Icon(Icons.push_pin, size: 14, color: colors.primary),
-                      child: Icon(Icons.push_pin, size: 14, color: colors.primary),
-                    ),
-                  Expanded(
-                    child: Text(
-                      note.title,
-                      style: TextStyle(
-                        fontSize: 15,
-                        fontWeight: FontWeight.w600,
-                        color: colors.onSurface,
-                        height: 1.3,
-                      ),
-                      maxLines: 1,
-                      overflow: TextOverflow.ellipsis,
-                    ),
                   ),
-                  const SizedBox(width: 12),
+                Expanded(
-                  Text(
+                  child: Text(
-                    _formatDate(note.createdAt),
+                    note.title.isNotEmpty ? note.title : previewText.isNotEmpty ? previewText : '(无内容)',
                     style: TextStyle(
-                      fontSize: 11,
+                      fontSize: 15,
-                      color: colors.onSurface.withValues(alpha: 0.35),
+                      fontWeight: FontWeight.w600,
+                      color: colors.onSurface,
+                      height: 1.3,
                     ),
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
                   ),
-                ],
+                ),
-              ),
+                const SizedBox(width: 12),
-            ],
+                Text(
+                  _formatDate(note.createdAt),
+                  style: TextStyle(
+                    fontSize: 11,
+                    color: colors.onSurface.withValues(alpha: 0.35),
+                  ),
+                ),
+              ],
+            ),
 
-            // 内容预览（无标题时才显示置顶和时间，替换原本只有置顶的逻辑）
+            // 内容预览
             if (previewText.isNotEmpty) ...[
               const SizedBox(height: 6),
-              if (note.title.isEmpty)
-                Row(
-                  children: [
-                    if (note.isPinned)
-                      Padding(
-                        padding: const EdgeInsets.only(right: 4),
-                        child: Icon(Icons.push_pin, size: 14, color: colors.primary),
-                      ),
-                    const Spacer(),
-                    Text(
-                      _formatDate(note.createdAt),
-                      style: TextStyle(
-                        fontSize: 11,
-                        color: colors.onSurface.withValues(alpha: 0.35),
-                      ),
-                    ),
-                  ],
-                ),
-              if (note.title.isEmpty)
-                const SizedBox(height: 2),
               Text(
                 previewText,
                 style: TextStyle(
@@ -115,12 +93,12 @@ class _NoteListItemContent extends StatelessWidget {
                   color: colors.onSurface.withValues(alpha: 0.5),
                   height: 1.5,
                 ),
-                maxLines: 3,
+                maxLines: note.title.isNotEmpty ? 2 : 3,
                 overflow: TextOverflow.ellipsis,
               ),
             ],
 
-            // 标签（换行显示）
+            // 标签
             if (note.tags.isNotEmpty) ...[
               const SizedBox(height: 8),
               Wrap(