更新数据库版本

lib/models/data_models.dart

@@ -200,6 +200,8 @@ class Book {
   final String status; // read/reading/want_to_read
   final String? isbn; // ISBN编号
   final DateTime? publishDate; // 出版时间
+  final DateTime? startDate; // 开始阅读日期
+  final DateTime? finishDate; // 读完日期
   final DateTime createdAt;
   final DateTime updatedAt;
   final bool isDeleted;
@@ -218,6 +220,8 @@ class Book {
     required this.status,
     this.isbn,
     this.publishDate,
+    this.startDate,
+    this.finishDate,
     required this.createdAt,
     required this.updatedAt,
     this.isDeleted = false,
@@ -238,6 +242,8 @@ class Book {
       status: json['status'] ?? 'want_to_read',
       isbn: json['isbn'],
       publishDate: _safeParseDate(json['publish_date']),
+      startDate: _safeParseDate(json['start_date']),
+      finishDate: _safeParseDate(json['finish_date']),
       createdAt: _safeParseDate(json['created_at'], fallback: DateTime.now())!,
       updatedAt: _safeParseDate(json['updated_at'], fallback: DateTime.now())!,
       isDeleted: json['is_deleted'] == 1 || json['is_deleted'] == true,
@@ -259,6 +265,8 @@ class Book {
       'status': status,
       'isbn': isbn,
       'publish_date': publishDate?.toUtc().toIso8601String(),
+      'start_date': startDate?.toUtc().toIso8601String(),
+      'finish_date': finishDate?.toUtc().toIso8601String(),
       'created_at': createdAt.toUtc().toIso8601String(),
       'updated_at': updatedAt.toUtc().toIso8601String(),
       'is_deleted': isDeleted ? 1 : 0,
@@ -286,6 +294,8 @@ class Book {
     String? status,
     Object? isbn = _copyWithNull,
     DateTime? publishDate,
+    DateTime? startDate,
+    DateTime? finishDate,
     DateTime? createdAt,
     DateTime? updatedAt,
     bool? isDeleted,
@@ -304,6 +314,8 @@ class Book {
       status: status ?? this.status,
       isbn: isbn is _CopyWithNullSentinel ? this.isbn : (isbn as String?),
       publishDate: publishDate ?? this.publishDate,
+      startDate: startDate ?? this.startDate,
+      finishDate: finishDate ?? this.finishDate,
       createdAt: createdAt ?? this.createdAt,
       updatedAt: updatedAt ?? this.updatedAt,
       isDeleted: isDeleted ?? this.isDeleted,

lib/pages/book/book_detail_page.dart

@@ -93,6 +93,7 @@ class _BookDetailPageState extends State<BookDetailPage> {
                   if (book.isbn != null && book.isbn!.isNotEmpty) _buildIsbnSection(book),
                   if (book.publisher != null && book.publisher!.isNotEmpty) _buildPublisherSection(book),
                   if (book.publishDate != null) _buildPublishDateSection(book),
+                  if (book.startDate != null || book.finishDate != null) _buildReadingDatesSection(book),
                   Divider(height: 0.5, thickness: 0.5, color: colors.outline),
                   if (book.summary != null && book.summary!.isNotEmpty) _buildSummarySection(book),
                   Divider(height: 0.5, thickness: 0.5, color: colors.outline),
@@ -192,6 +193,7 @@ class _BookDetailPageState extends State<BookDetailPage> {
                         if (book.isbn != null && book.isbn!.isNotEmpty) _buildIsbnSection(book),
                         if (book.publisher != null && book.publisher!.isNotEmpty) _buildPublisherSection(book),
                         if (book.publishDate != null) _buildPublishDateSection(book),
+                        if (book.startDate != null || book.finishDate != null) _buildReadingDatesSection(book),
                         // 类型标签毛玻璃
                         if (book.genres.isNotEmpty) _buildGenresSection(book),
                         // 简介：内部已有毛玻璃卡片
@@ -855,6 +857,59 @@ class _BookDetailPageState extends State<BookDetailPage> {
     );
   }
 
+  Widget _buildReadingDatesSection(Book book) {
+    final isOverlay = _detailStyle == 1;
+    final colors = Theme.of(context).colorScheme;
+    return Padding(
+      padding: EdgeInsets.symmetric(horizontal: 24, vertical: isOverlay ? 5 : 16),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          SizedBox(
+            width: 64,
+            child: Text(
+              '阅读日期',
+              style: TextStyle(
+                fontSize: 13,
+                color: isOverlay ? const Color(0x66FFFFFF) : colors.onSurface.withValues(alpha: 0.4),
+              ),
+            ),
+          ),
+          Expanded(
+            child: Wrap(
+              spacing: 12,
+              runSpacing: 8,
+              children: [
+                if (book.startDate != null)
+                  _buildDateChip('开始', book.startDate!, isOverlay),
+                if (book.finishDate != null)
+                  _buildDateChip('读完', book.finishDate!, isOverlay),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildDateChip(String label, DateTime date, bool isOverlay) {
+    final colors = Theme.of(context).colorScheme;
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
+      decoration: BoxDecoration(
+        color: isOverlay ? Colors.white.withValues(alpha: 0.12) : colors.surfaceContainerHighest,
+        borderRadius: BorderRadius.circular(6),
+      ),
+      child: Text(
+        '$label ${_formatDate(date)}',
+        style: TextStyle(
+          fontSize: 13,
+          color: isOverlay ? Colors.white.withValues(alpha: 0.85) : colors.onSurface.withValues(alpha: 0.7),
+        ),
+      ),
+    );
+  }
+
   Widget _buildGenresSection(Book book) {
     final isOverlay = _detailStyle == 1;
     return Padding(

lib/pages/book/book_form_page.dart

@@ -48,6 +48,8 @@ class _BookFormPageState extends State<BookFormPage> {
   String? _coverPath;
   String _status = 'want_to_read';
   DateTime? _publishDate;
+  DateTime? _startDate;
+  DateTime? _finishDate;
   bool _isDownloading = false;
 
   @override
@@ -77,6 +79,8 @@ class _BookFormPageState extends State<BookFormPage> {
       _coverPath = book.coverPath;
       _status = book.status;
       _publishDate = book.publishDate;
+      _startDate = book.startDate;
+      _finishDate = book.finishDate;
     } else if (widget.initialStatus != null) {
       _status = widget.initialStatus!;
     }
@@ -208,6 +212,14 @@ class _BookFormPageState extends State<BookFormPage> {
                     ),
                   ),
 
+                  // 开始阅读日期 + 读完日期（同一行）
+                  _halfCard('开始阅读', _startDate != null ? '${_startDate!.year}.${_startDate!.month.toString().padLeft(2, '0')}.${_startDate!.day.toString().padLeft(2, '0')}' : '', Icons.play_circle_outlined,
+                    onTap: () => _selectStartDate(),
+                  ),
+                  _halfCard('读完日期', _finishDate != null ? '${_finishDate!.year}.${_finishDate!.month.toString().padLeft(2, '0')}.${_finishDate!.day.toString().padLeft(2, '0')}' : '', Icons.check_circle_outlined,
+                    onTap: () => _selectFinishDate(),
+                  ),
+
                   // 书籍简介
                   SizedBox(
                     width: double.infinity,
@@ -536,6 +548,16 @@ class _BookFormPageState extends State<BookFormPage> {
     if (picked != null) setState(() => _publishDate = picked);
   }
 
+  Future<void> _selectStartDate() async {
+    final picked = await showDatePicker(context: context, initialDate: _startDate ?? DateTime.now(), firstDate: DateTime(1900), lastDate: DateTime.now().add(const Duration(days: 365 * 5)));
+    if (picked != null) setState(() => _startDate = picked);
+  }
+
+  Future<void> _selectFinishDate() async {
+    final picked = await showDatePicker(context: context, initialDate: _finishDate ?? DateTime.now(), firstDate: DateTime(1900), lastDate: DateTime.now().add(const Duration(days: 365 * 5)));
+    if (picked != null) setState(() => _finishDate = picked);
+  }
+
   Future<void> _editSummary() async {
     final result = await Navigator.push<String>(context, MaterialPageRoute(builder: (_) => _SummaryEditorPage(initialText: _summaryController.text)));
     if (result != null) setState(() => _summaryController.text = result);
@@ -551,6 +573,8 @@ class _BookFormPageState extends State<BookFormPage> {
     if (_coverPath != null) return true;
     if (_authors.isNotEmpty || _alternateTitles.isNotEmpty || _genres.isNotEmpty) return true;
     if (_publishDate != null) return true;
+    if (_startDate != null) return true;
+    if (_finishDate != null) return true;
     return false;
   }
 
@@ -594,7 +618,7 @@ class _BookFormPageState extends State<BookFormPage> {
           authors: _authors, alternateTitles: _alternateTitles, publisher: _publisherController.text.trim(),
           genres: _genres, summary: _summaryController.text.trim(), rating: rating, status: _status,
           isbn: _isbnController.text.trim().isNotEmpty ? _isbnController.text.trim() : null,
-          publishDate: _publishDate, createdAt: now, updatedAt: now,
+          publishDate: _publishDate, startDate: _startDate, finishDate: _finishDate, createdAt: now, updatedAt: now,
         );
         await context.read<AppProvider>().addBook(newBook);
       } else {
@@ -603,7 +627,7 @@ class _BookFormPageState extends State<BookFormPage> {
           authors: _authors, alternateTitles: _alternateTitles, publisher: _publisherController.text.trim(),
           genres: _genres, summary: _summaryController.text.trim(), rating: rating, status: _status,
           isbn: _isbnController.text.trim().isNotEmpty ? _isbnController.text.trim() : null,
-          publishDate: _publishDate, updatedAt: now,
+          publishDate: _publishDate, startDate: _startDate, finishDate: _finishDate, updatedAt: now,
         );
         await context.read<AppProvider>().updateBook(updatedBook);
       }

lib/pages/epub_reader/epub_detail_page.dart

@@ -44,12 +44,14 @@ class _EpubDetailPageState extends State<EpubDetailPage> {
   bool _descriptionExpanded = false;
   Future<List<BookExcerpt>>? _excerptsFuture;
   Future<List<Map<String, dynamic>>>? _highlightsFuture;
+  String? _linkedBookCoverPath;
 
   @override
   void initState() {
     super.initState();
     _book = widget.book;
     _loadBookInfo();
+    _loadLinkedBookCover();
     final linkedBookId = _book['book_id'] as String? ?? '';
     if (linkedBookId.isNotEmpty) {
       _excerptsFuture = BookExcerptDao().getExcerptsByBookId(linkedBookId);
@@ -64,12 +66,22 @@ class _EpubDetailPageState extends State<EpubDetailPage> {
     if (mounted && info != null) setState(() => _bookInfo = info);
   }
 
+  Future<void> _loadLinkedBookCover() async {
+    final linkedBookId = _book['book_id'] as String? ?? '';
+    if (linkedBookId.isEmpty) return;
+    final book = await _bookDao.getBookById(linkedBookId);
+    if (mounted && book != null && book.coverPath != null && book.coverPath!.isNotEmpty) {
+      setState(() => _linkedBookCoverPath = book.coverPath);
+    }
+  }
+
   Future<void> _refreshBook() async {
     final updated = await _dao.getReaderBookById(widget.bookId);
     if (mounted && updated != null) {
       final linkedBookId = updated['book_id'] as String? ?? '';
       setState(() {
         _book = updated;
+        _linkedBookCoverPath = null;
         _highlightsFuture = _dao.getHighlightsByBookId(widget.bookId);
         if (linkedBookId.isNotEmpty) {
           _excerptsFuture = BookExcerptDao().getExcerptsByBookId(linkedBookId);
@@ -77,10 +89,12 @@ class _EpubDetailPageState extends State<EpubDetailPage> {
           _excerptsFuture = null;
         }
       });
+      _loadLinkedBookCover();
     }
   }
 
   void _navigateToReader() {
+    final coverPath = _linkedBookCoverPath ?? _book['cover_path'] as String?;
     Navigator.push(
       context,
       MaterialPageRoute(
@@ -88,7 +102,7 @@ class _EpubDetailPageState extends State<EpubDetailPage> {
           bookId: _book['id'] as String,
           filePath: _book['file_path'] as String,
           title: _book['title'] as String? ?? '',
-          coverPath: _book['cover_path'] as String?,
+          coverPath: coverPath,
           bookData: _book,
         ),
       ),
@@ -113,7 +127,7 @@ class _EpubDetailPageState extends State<EpubDetailPage> {
     final progress = (_book['reading_percentage'] as num?)?.toDouble() ?? 0.0;
     final title = _book['title'] as String? ?? '';
     final author = _book['author'] as String? ?? '';
-    final coverPath = _book['cover_path'] as String?;
+    final coverPath = _linkedBookCoverPath ?? _book['cover_path'] as String?;
 
     return Scaffold(
       backgroundColor: colors.surface,
@@ -755,6 +769,7 @@ class _EpubDetailPageState extends State<EpubDetailPage> {
     final chapter = int.tryParse(highlight['chapter'] as String? ?? '') ?? 0;
     final xpath = _extractStartXPath(highlight['cfi'] as String? ?? '');
     final text = highlight['content'] as String? ?? '';
+    final coverPath = _linkedBookCoverPath ?? _book['cover_path'] as String?;
     Navigator.push(
       context,
       MaterialPageRoute(
@@ -762,7 +777,7 @@ class _EpubDetailPageState extends State<EpubDetailPage> {
           bookId: _book['id'] as String,
           filePath: _book['file_path'] as String,
           title: _book['title'] as String? ?? '',
-          coverPath: _book['cover_path'] as String?,
+          coverPath: coverPath,
           bookData: _book,
           initialSpineIndex: chapter,
           scrollToXPath: xpath,

lib/pages/profile_page.dart

@@ -844,6 +844,62 @@ class _ProfilePageState extends State<ProfilePage> with RouteAware {
             ),
           ),
           const SizedBox(height: 16),
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 24),
+            child: Container(
+              padding: const EdgeInsets.all(16),
+              decoration: BoxDecoration(
+                color: colors.surfaceContainerHighest.withValues(alpha: 0.5),
+                borderRadius: BorderRadius.circular(12),
+              ),
+              child: Row(
+                children: [
+                  Icon(Icons.group_outlined,
+                      size: 20, color: colors.primary.withValues(alpha: 0.8)),
+                  const SizedBox(width: 12),
+                  Expanded(
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Text('QQ 群',
+                            style: TextStyle(
+                                fontSize: 12,
+                                color: colors.onSurface.withValues(alpha: 0.5))),
+                        const SizedBox(height: 2),
+                        Text('1087203310',
+                            style: TextStyle(
+                                fontSize: 14,
+                                fontWeight: FontWeight.w600,
+                                color: colors.onSurface)),
+                      ],
+                    ),
+                  ),
+                  GestureDetector(
+                    onTap: () {
+                      Clipboard.setData(ClipboardData(text: '1087203310'));
+                      ToastUtil.show(context, '已复制到剪贴板');
+                    },
+                    child: Container(
+                      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
+                      decoration: BoxDecoration(
+                        color: colors.primary.withValues(alpha: 0.08),
+                        borderRadius: BorderRadius.circular(8),
+                      ),
+                      child: Row(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          Icon(Icons.copy, size: 14, color: colors.primary),
+                          const SizedBox(width: 4),
+                          Text('复制', style: TextStyle(fontSize: 12, color: colors.primary, fontWeight: FontWeight.w600)),
+                        ],
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+          const SizedBox(height: 16),
         ]),
       ),
     );

lib/utils/database_helper.dart

@@ -72,7 +72,7 @@ class DatabaseHelper {
 
     return await openDatabase(
       path,
-      version: 26,
+      version: 27,
       onCreate: _createDB,
       onUpgrade: _onUpgrade,
     );
@@ -245,6 +245,40 @@ class DatabaseHelper {
         await db.execute("ALTER TABLE movies ADD COLUMN category TEXT NOT NULL DEFAULT 'movie'");
       }
     }
+    if (oldVersion < 26) {
+      await _upgradeBooksTableV26(db);
+    }
+    if (oldVersion < 27) {
+      await _upgradeBooksTableV27(db);
+    }
+  }
+
+  /// 升级books表到V27（添加阅读始末日期字段）
+  Future<void> _upgradeBooksTableV27(Database db) async {
+    final columns = await db.rawQuery('PRAGMA table_info(books)');
+    final hasStartDate = columns.any((col) => col['name'] == 'start_date');
+    final hasFinishDate = columns.any((col) => col['name'] == 'finish_date');
+
+    if (!hasStartDate) {
+      await db.execute('ALTER TABLE books ADD COLUMN start_date TEXT');
+    }
+    if (!hasFinishDate) {
+      await db.execute('ALTER TABLE books ADD COLUMN finish_date TEXT');
+    }
+  }
+
+  /// 升级books表到V26（添加阅读始末日期字段）
+  Future<void> _upgradeBooksTableV26(Database db) async {
+    final columns = await db.rawQuery('PRAGMA table_info(books)');
+    final hasStartDate = columns.any((col) => col['name'] == 'start_date');
+    final hasFinishDate = columns.any((col) => col['name'] == 'finish_date');
+
+    if (!hasStartDate) {
+      await db.execute('ALTER TABLE books ADD COLUMN start_date TEXT');
+    }
+    if (!hasFinishDate) {
+      await db.execute('ALTER TABLE books ADD COLUMN finish_date TEXT');
+    }
   }
 
   /// 升级books表到V11（添加ISBN和出版时间字段）
@@ -635,6 +669,8 @@ class DatabaseHelper {
         status TEXT NOT NULL,
         isbn TEXT,
         publish_date TEXT,
+        start_date TEXT,
+        finish_date TEXT,
         created_at TEXT NOT NULL,
         updated_at TEXT NOT NULL,
         is_deleted INTEGER DEFAULT 0,

lib/utils/epub/reader_dao.dart

@@ -6,14 +6,27 @@ class ReaderDao {
 
   // ─── reader_books ─────────────────────────────────────────────────
 
-  /// 获取所有未删除的阅读记录
+  /// 获取所有未删除的阅读记录（包含关联书籍封面）
   Future<List<Map<String, dynamic>>> getAllReaderBooks() async {
     final db = await _db.database;
-    return db.query(
+    final results = await db.rawQuery('''
-      'reader_books',
+      SELECT rb.*,
-      where: 'is_deleted = 0',
+             COALESCE(b.cover_path, rb.cover_path) as display_cover_path
-      orderBy: 'updated_at DESC',
+      FROM reader_books rb
-    );
+      LEFT JOIN books b ON rb.book_id = b.id AND b.is_deleted = 0
+      WHERE rb.is_deleted = 0
+      ORDER BY rb.updated_at DESC
+    ''');
+    return results.map((row) {
+      final map = Map<String, dynamic>.from(row);
+      // 如果有关联封面，覆盖 cover_path 供 UI 使用
+      final displayCover = map['display_cover_path'] as String?;
+      if (displayCover != null && displayCover.isNotEmpty) {
+        map['cover_path'] = displayCover;
+      }
+      map.remove('display_cover_path');
+      return map;
+    }).toList();
   }
 
   /// 根据 ID 获取阅读记录