From cef684f64b9474f77ba4f01b605956b23c3de012 Mon Sep 17 00:00:00 2001
From: ninemine <1371605831@qq.com>
Date: Fri, 31 Oct 2025 11:58:35 +0800
Subject: [PATCH] Save

---
 .tasks/2025-10-30_1_add_casino_games.md |  14 +
 core/database.py                        | 359 +++++++++++++++++++++++-
 games/casino.py                         | 208 +++++++++++++-
 3 files changed, 573 insertions(+), 8 deletions(-)

diff --git a/.tasks/2025-10-30_1_add_casino_games.md b/.tasks/2025-10-30_1_add_casino_games.md
index 216f9e2..d43f555 100644
--- a/.tasks/2025-10-30_1_add_casino_games.md
+++ b/.tasks/2025-10-30_1_add_casino_games.md
@@ -461,5 +461,19 @@ if game_type == 'casino':
 - 阻碍因素：无
 - 状态：成功
 
+[2025-10-31_11:35:18]
+- 已修改：core/database.py
+- 更改：扩展数据库支持轮盘和21点游戏
+  - 添加列存在性检查辅助方法（_column_exists, _add_column_if_not_exists）
+  - 扩展casino_sessions表：添加current_phase和blackjack_multiplier字段（兼容性检查）
+  - 扩展casino_bets表：添加bet_category、bet_number、bet_value、hand_status字段（兼容性检查）
+  - 创建casino_blackjack_hands表：存储21点游戏手牌数据
+  - 修改create_casino_session()：支持单场限制检查（get_any_active_casino_session）和新字段
+  - 扩展create_casino_bet()：支持轮盘和21点专用字段参数
+  - 添加21点手牌管理方法：create_blackjack_hand、get_blackjack_hand、update_blackjack_hand、get_all_blackjack_hands
+- 原因：为轮盘和21点游戏提供数据库支持，确保字段分离和向后兼容
+- 阻碍因素：无
+- 状态：成功
+
 # 最终审查
 待完成
diff --git a/core/database.py b/core/database.py
index ee6187d..0ffdd0b 100644
--- a/core/database.py
+++ b/core/database.py
@@ -859,13 +859,39 @@ class Database:
         return [dict(row) for row in rows]
     
     def settle_casino_bets(self, chat_id: int, game_type: str, result: str, 
-                           banker_id: int) -> Dict:
-        """结算所有下注
+                           banker_id: int, **kwargs) -> Dict:
+        """结算所有下注（根据游戏类型分发到不同结算方法）
         
         Args:
             chat_id: 会话ID
             game_type: 游戏类型
-            result: 游戏结果（'大' 或 '小'）
+            result: 游戏结果（大小游戏："大"/"小"；轮盘：数字字符串；21点：特殊格式）
+            banker_id: 庄家ID
+            **kwargs: 其他参数（轮盘：result_number；21点：hands_dict等）
+            
+        Returns:
+            结算详情字典
+        """
+        if game_type == '大小':
+            return self._settle_bigsmall_bets(chat_id, game_type, result, banker_id)
+        elif game_type == '轮盘':
+            result_number = kwargs.get('result_number', int(result) if result.isdigit() else 0)
+            return self._settle_roulette_bets(chat_id, game_type, result_number, banker_id)
+        elif game_type == '21点':
+            hands_dict = kwargs.get('hands_dict', {})
+            return self._settle_blackjack_bets(chat_id, game_type, hands_dict, banker_id)
+        else:
+            # 兼容旧的大小游戏逻辑
+            return self._settle_bigsmall_bets(chat_id, game_type, result, banker_id)
+    
+    def _settle_bigsmall_bets(self, chat_id: int, game_type: str, result: str, 
+                               banker_id: int) -> Dict:
+        """结算大小游戏下注
+        
+        Args:
+            chat_id: 会话ID
+            game_type: 游戏类型
+            result: 游戏结果（"大" 或 "小"）
             banker_id: 庄家ID
             
         Returns:
@@ -955,6 +981,333 @@ class Database:
             logger.error(f"结算失败: {e}", exc_info=True)
             raise
     
+    def _settle_roulette_bets(self, chat_id: int, game_type: str, result_number: int, 
+                               banker_id: int) -> Dict:
+        """结算轮盘游戏下注
+        
+        Args:
+            chat_id: 会话ID
+            game_type: 游戏类型
+            result_number: 结果数字（0-36）
+            banker_id: 庄家ID
+            
+        Returns:
+            结算详情字典
+        """
+        cursor = self.conn.cursor()
+        current_time = int(time.time())
+        
+        session = self.get_active_casino_session(chat_id, game_type)
+        if not session:
+            raise ValueError("没有活跃的游戏会话")
+        
+        if session['banker_id'] != banker_id:
+            raise ValueError("只有庄家可以结算游戏")
+        
+        bets = self.get_pending_bets(chat_id, game_type)
+        winners = []
+        losers = []
+        total_win = 0
+        
+        # 轮盘数字对应的颜色（欧式轮盘，0为绿色）
+        roulette_red = {1, 3, 5, 7, 9, 12, 14, 16, 18, 19, 21, 23, 25, 27, 30, 32, 34, 36}
+        result_color = '绿色' if result_number == 0 else ('红色' if result_number in roulette_red else '黑色')
+        result_odd_even = None if result_number == 0 else ('奇数' if result_number % 2 == 1 else '偶数')
+        result_big_small = None if result_number == 0 else ('小' if 1 <= result_number <= 18 else '大')
+        
+        result_range = None
+        if 1 <= result_number <= 12:
+            result_range = '1-12'
+        elif 13 <= result_number <= 24:
+            result_range = '13-24'
+        elif 25 <= result_number <= 36:
+            result_range = '25-36'
+        
+        for bet in bets:
+            is_win = False
+            multiplier = bet['multiplier']
+            
+            bet_category = bet.get('bet_category')
+            if bet_category == '数字':
+                if bet.get('bet_number') == result_number:
+                    is_win = True
+            elif bet_category == '颜色':
+                if bet.get('bet_value') == result_color:
+                    is_win = True
+            elif bet_category == '奇偶':
+                if result_odd_even and bet.get('bet_value') == result_odd_even:
+                    is_win = True
+            elif bet_category == '大小':
+                if result_big_small and bet.get('bet_value') == result_big_small:
+                    is_win = True
+            elif bet_category == '区间':
+                if result_range and bet.get('bet_value') == result_range:
+                    is_win = True
+            
+            if is_win:
+                win_amount = int(bet['amount'] * multiplier)
+                house_fee = session['house_fee']
+                actual_win = int(win_amount * (1 - house_fee))
+                winners.append({
+                    'user_id': bet['user_id'],
+                    'amount': bet['amount'],
+                    'win_amount': actual_win,
+                    'bet_id': bet['id']
+                })
+                total_win += actual_win
+            else:
+                losers.append({
+                    'user_id': bet['user_id'],
+                    'amount': bet['amount'],
+                    'bet_id': bet['id']
+                })
+        
+        try:
+            result_str = str(result_number)
+            for bet in bets:
+                is_win = False
+                multiplier = bet['multiplier']
+                
+                bet_category = bet.get('bet_category')
+                if bet_category == '数字':
+                    if bet.get('bet_number') == result_number:
+                        is_win = True
+                elif bet_category == '颜色':
+                    if bet.get('bet_value') == result_color:
+                        is_win = True
+                elif bet_category == '奇偶':
+                    if result_odd_even and bet.get('bet_value') == result_odd_even:
+                        is_win = True
+                elif bet_category == '大小':
+                    if result_big_small and bet.get('bet_value') == result_big_small:
+                        is_win = True
+                elif bet_category == '区间':
+                    if result_range and bet.get('bet_value') == result_range:
+                        is_win = True
+                
+                if is_win:
+                    win_amount = int(bet['amount'] * multiplier)
+                    actual_win = int(win_amount * (1 - session['house_fee']))
+                    self.add_points(bet['user_id'], actual_win, 'casino_win', 
+                                   f"赌场游戏{game_type}赢得")
+                    cursor.execute("""
+                        UPDATE casino_bets 
+                        SET status = 'settled', result = ?, win_amount = ?, settled_at = ?
+                        WHERE id = ?
+                    """, (result_str, actual_win, current_time, bet['id']))
+                else:
+                    cursor.execute("""
+                        UPDATE casino_bets 
+                        SET status = 'settled', result = ?, settled_at = ?
+                        WHERE id = ?
+                    """, (result_str, current_time, bet['id']))
+            
+            cursor.execute("""
+                UPDATE casino_sessions 
+                SET status = 'closed', settled_at = ?
+                WHERE id = ?
+            """, (current_time, session['id']))
+            
+            return {
+                'winners': winners,
+                'losers': losers,
+                'total_win': total_win,
+                'result': result_str,
+                'result_number': result_number
+            }
+        except Exception as e:
+            logger.error(f"结算失败: {e}", exc_info=True)
+            raise
+    
+    def _settle_blackjack_bets(self, chat_id: int, game_type: str, hands_dict: Dict, 
+                                banker_id: int) -> Dict:
+        """结算21点游戏下注
+        
+        Args:
+            chat_id: 会话ID
+            game_type: 游戏类型
+            hands_dict: 手牌字典 {user_id: {'cards': [2,3,4], 'status': 'stood'}, ...}
+            banker_id: 庄家ID
+            
+        Returns:
+            结算详情字典
+        """
+        cursor = self.conn.cursor()
+        current_time = int(time.time())
+        
+        session = self.get_active_casino_session(chat_id, game_type)
+        if not session:
+            raise ValueError("没有活跃的游戏会话")
+        
+        if session['banker_id'] != banker_id:
+            raise ValueError("只有庄家可以结算游戏")
+        
+        bets = self.get_pending_bets(chat_id, game_type)
+        banker_hand = hands_dict.get(0, {})  # 0表示庄家
+        banker_cards = banker_hand.get('cards', [])
+        banker_status = banker_hand.get('status', 'stood')
+        banker_points = self._calculate_blackjack_points(banker_cards)
+        banker_is_busted = banker_status == 'busted'
+        banker_is_blackjack = banker_status == 'blackjack'
+        
+        winners = []
+        losers = []
+        total_win = 0
+        
+        for bet in bets:
+            user_id = bet['user_id']
+            player_hand = hands_dict.get(user_id, {})
+            player_cards = player_hand.get('cards', [])
+            player_status = player_hand.get('status', 'stood')
+            player_points = self._calculate_blackjack_points(player_cards)
+            player_is_busted = player_status == 'busted'
+            player_is_blackjack = player_status == 'blackjack'
+            
+            is_win = False
+            multiplier = bet['multiplier']
+            
+            if player_is_busted:
+                is_win = False
+            elif player_is_blackjack:
+                if banker_is_blackjack:
+                    # 双方都是黑杰克，平局（返还下注）
+                    is_win = False
+                    self.add_points(user_id, bet['amount'], 'casino_blackjack_push', 
+                                   "21点游戏平局，返还下注")
+                else:
+                    # 玩家黑杰克，赢得1.5倍
+                    is_win = True
+                    multiplier = session.get('blackjack_multiplier', 1.5)
+            elif banker_is_busted:
+                is_win = True
+            elif player_points > banker_points:
+                is_win = True
+            elif player_points == banker_points:
+                # 平局，返还下注
+                is_win = False
+                self.add_points(user_id, bet['amount'], 'casino_blackjack_push', 
+                               "21点游戏平局，返还下注")
+            
+            if is_win:
+                win_amount = int(bet['amount'] * multiplier)
+                house_fee = session['house_fee']
+                actual_win = int(win_amount * (1 - house_fee))
+                winners.append({
+                    'user_id': user_id,
+                    'amount': bet['amount'],
+                    'win_amount': actual_win,
+                    'bet_id': bet['id']
+                })
+                total_win += actual_win
+            elif not player_is_busted and player_points != banker_points:
+                losers.append({
+                    'user_id': user_id,
+                    'amount': bet['amount'],
+                    'bet_id': bet['id']
+                })
+        
+        try:
+            for bet in bets:
+                user_id = bet['user_id']
+                player_hand = hands_dict.get(user_id, {})
+                player_cards = player_hand.get('cards', [])
+                player_status = player_hand.get('status', 'stood')
+                player_points = self._calculate_blackjack_points(player_cards)
+                player_is_busted = player_status == 'busted'
+                player_is_blackjack = player_status == 'blackjack'
+                
+                is_win = False
+                multiplier = bet['multiplier']
+                
+                if player_is_busted:
+                    is_win = False
+                elif player_is_blackjack:
+                    if banker_is_blackjack:
+                        is_win = False
+                        self.add_points(user_id, bet['amount'], 'casino_blackjack_push', 
+                                       "21点游戏平局，返还下注")
+                    else:
+                        is_win = True
+                        multiplier = session.get('blackjack_multiplier', 1.5)
+                elif banker_is_busted:
+                    is_win = True
+                elif player_points > banker_points:
+                    is_win = True
+                elif player_points == banker_points:
+                    is_win = False
+                    self.add_points(user_id, bet['amount'], 'casino_blackjack_push', 
+                                   "21点游戏平局，返还下注")
+                
+                result_str = f"庄家{banker_points}点 vs 玩家{player_points}点"
+                
+                if is_win:
+                    win_amount = int(bet['amount'] * multiplier)
+                    actual_win = int(win_amount * (1 - session['house_fee']))
+                    self.add_points(user_id, actual_win, 'casino_win', 
+                                   f"赌场游戏{game_type}赢得")
+                    cursor.execute("""
+                        UPDATE casino_bets 
+                        SET status = 'settled', result = ?, win_amount = ?, settled_at = ?
+                        WHERE id = ?
+                    """, (result_str, actual_win, current_time, bet['id']))
+                elif not player_is_busted and player_points != banker_points:
+                    cursor.execute("""
+                        UPDATE casino_bets 
+                        SET status = 'settled', result = ?, settled_at = ?
+                        WHERE id = ?
+                    """, (result_str, current_time, bet['id']))
+                else:
+                    # 平局，已返还下注
+                    cursor.execute("""
+                        UPDATE casino_bets 
+                        SET status = 'settled', result = ?, settled_at = ?
+                        WHERE id = ?
+                    """, (result_str, current_time, bet['id']))
+            
+            cursor.execute("""
+                UPDATE casino_sessions 
+                SET status = 'closed', settled_at = ?
+                WHERE id = ?
+            """, (current_time, session['id']))
+            
+            return {
+                'winners': winners,
+                'losers': losers,
+                'total_win': total_win,
+                'result': f"庄家{banker_points}点"
+            }
+        except Exception as e:
+            logger.error(f"结算失败: {e}", exc_info=True)
+            raise
+    
+    def _calculate_blackjack_points(self, cards: List[int]) -> int:
+        """计算21点手牌点数
+        
+        Args:
+            cards: 手牌列表，A=1，J/Q/K=10，其他为本身值（1-13，其中11=J, 12=Q, 13=K）
+            
+        Returns:
+            点数
+        """
+        points = 0
+        ace_count = 0
+        
+        for card in cards:
+            if card == 1:
+                ace_count += 1
+                points += 11
+            elif card >= 11:
+                points += 10
+            else:
+                points += card
+        
+        # 处理A的1/11选择
+        while points > 21 and ace_count > 0:
+            points -= 10
+            ace_count -= 1
+        
+        return points
+    
     def close_casino_session(self, chat_id: int, game_type: str):
         """关闭游戏会话
         
diff --git a/games/casino.py b/games/casino.py
index ba56992..3d270ad 100644
--- a/games/casino.py
+++ b/games/casino.py
@@ -44,10 +44,14 @@ class CasinoGame(BaseGame):
             # 根据游戏类型分发
             if game_type == '大小':
                 return await self._handle_bigsmall(sub_args, chat_id, user_id)
+            elif game_type == '轮盘':
+                return await self._handle_roulette(sub_args, chat_id, user_id)
+            elif game_type in ['21点', 'blackjack', '21']:
+                return await self._handle_blackjack(sub_args, chat_id, user_id)
             elif game_type in ['help', '帮助']:
                 return self.get_help()
             else:
-                return f"❌ 暂不支持的游戏类型: {game_type}\n\n支持的类型：大小"
+                return f"❌ 暂不支持的游戏类型: {game_type}\n\n支持的类型：大小、轮盘、21点"
                 
         except Exception as e:
             logger.error(f"处理赌场指令错误: {e}", exc_info=True)
@@ -124,10 +128,10 @@ class CasinoGame(BaseGame):
             if max_bet > 10000:
                 return "❌ 最大下注不能超过10000分！"
             
-            # 检查是否已有活跃游戏
-            existing = self.db.get_active_casino_session(chat_id, '大小')
+            # 检查是否已有活跃游戏（单场限制）
+            existing = self.db.get_any_active_casino_session(chat_id)
             if existing:
-                return "⚠️ 当前已有进行中的大小游戏，请先结算后再开启新游戏。"
+                return f"⚠️ 当前已有进行中的游戏（{existing['game_type']}），请先结算后再开启新游戏。"
             
             # 创建游戏会话
             session_id = self.db.create_casino_session(
@@ -405,5 +409,199 @@ class CasinoGame(BaseGame):
     
     def get_help(self) -> str:
         """获取帮助信息"""
-        return self._get_bigsmall_help()
+        text = "# 🎰 赌场游戏帮助\n\n"
+        text += self._get_bigsmall_help() + "\n\n"
+        text += self._get_roulette_help() + "\n\n"
+        text += self._get_blackjack_help()
+        return text
+    
+    # ===== 轮盘游戏 =====
+    
+    async def _handle_roulette(self, args: str, chat_id: int, user_id: int) -> str:
+        """处理轮盘游戏
+        
+        Args:
+            args: 子命令和参数
+            chat_id: 会话ID
+            user_id: 用户ID
+            
+        Returns:
+            回复消息
+        """
+        if not args:
+            return self._get_roulette_help()
+        
+        parts = args.split(maxsplit=1)
+        action = parts[0].lower()
+        sub_args = parts[1] if len(parts) > 1 else ""
+        
+        if action in ['open', '开启', '开始']:
+            return await self._open_roulette(sub_args, chat_id, user_id)
+        elif action in ['bet', '下注', '押']:
+            return await self._bet_roulette(sub_args, chat_id, user_id)
+        elif action in ['status', '状态', '查看']:
+            return await self._status_roulette(chat_id)
+        elif action in ['settle', '结算', '开奖']:
+            return await self._settle_roulette(chat_id, user_id)
+        elif action in ['cancel', '放弃', '关闭']:
+            return await self._cancel_roulette(chat_id, user_id)
+        elif action in ['help', '帮助']:
+            return self._get_roulette_help()
+        else:
+            return f"❌ 未知命令: {action}\n\n{self._get_roulette_help()}"
+    
+    async def _open_roulette(self, args: str, chat_id: int, user_id: int) -> str:
+        """庄家开启轮盘游戏"""
+        try:
+            parts = args.split()
+            if len(parts) != 2:
+                return "❌ 参数格式错误！\n\n正确格式：`.赌场 轮盘 open <最小下注> <最大下注>`\n\n示例：`.赌场 轮盘 open 10 100`"
+            
+            try:
+                min_bet = int(parts[0])
+                max_bet = int(parts[1])
+            except ValueError:
+                return "❌ 参数必须是数字！"
+            
+            if min_bet <= 0 or max_bet <= 0:
+                return "❌ 下注金额必须大于0！"
+            
+            if min_bet > max_bet:
+                return "❌ 最小下注不能大于最大下注！"
+            
+            if max_bet > 10000:
+                return "❌ 最大下注不能超过10000分！"
+            
+            existing = self.db.get_any_active_casino_session(chat_id)
+            if existing:
+                return f"⚠️ 当前已有进行中的游戏（{existing['game_type']}），请先结算后再开启新游戏。"
+            
+            session_id = self.db.create_casino_session(
+                chat_id=chat_id,
+                game_type='轮盘',
+                banker_id=user_id,
+                min_bet=min_bet,
+                max_bet=max_bet,
+                multiplier=1.0,  # 轮盘赔率根据下注类型自动计算
+                house_fee=0.05
+            )
+            
+            banker_display_name = self.db.get_user_display_name(user_id)
+            text = f"## 🎰 轮盘游戏已开启\n\n"
+            text += f"**庄家**：{banker_display_name}\n\n"
+            text += f"**最小下注**：{min_bet} 分\n\n"
+            text += f"**最大下注**：{max_bet} 分\n\n"
+            text += f"**抽水率**：5%\n\n"
+            text += "**赔率**：\n"
+            text += "- 数字：35倍\n"
+            text += "- 颜色/奇偶/大小：2倍\n"
+            text += "- 区间：3倍\n\n"
+            text += "---\n\n"
+            text += "💡 提示：玩家可以使用 `.赌场 轮盘 bet <类型> <选项> <金额>` 进行下注"
+            
+            return text
+            
+        except Exception as e:
+            logger.error(f"开启轮盘游戏失败: {e}", exc_info=True)
+            return f"❌ 开启游戏失败: {str(e)}"
+    
+    async def _bet_roulette(self, args: str, chat_id: int, user_id: int) -> str:
+        """玩家下注轮盘"""
+        try:
+            parts = args.split()
+            if len(parts) < 2:
+                return "❌ 参数格式错误！\n\n正确格式：`.赌场 轮盘 bet <类型> <选项> <金额>`\n\n示例：`.赌场 轮盘 bet 数字 17 100`"
+            
+            bet_category = parts[0]
+            if len(parts) == 2:
+                # 颜色/奇偶/大小/区间下注：bet <类型> <金额>
+                bet_value = bet_category
+                bet_category_map = {
+                    '红色': '颜色', '黑色': '颜色', '绿色': '颜色',
+                    '奇数': '奇偶', '偶数': '奇偶',
+                    '大': '大小', '小': '大小',
+                    '1-12': '区间', '13-24': '区间', '25-36': '区间'
+                }
+                bet_category = bet_category_map.get(bet_value)
+                if not bet_category:
+                    return f"❌ 未知的下注类型: {bet_value}"
+                try:
+                    amount = int(parts[1])
+                except ValueError:
+                    return "❌ 下注金额必须是数字！"
+                bet_number = None
+            elif len(parts) == 3:
+                # 数字下注：bet 数字 <数字> <金额>
+                if bet_category != '数字':
+                    return "❌ 数字下注格式：`.赌场 轮盘 bet 数字 <0-36> <金额>`"
+                try:
+                    bet_number = int(parts[1])
+                    amount = int(parts[2])
+                except ValueError:
+                    return "❌ 数字和金额必须是数字！"
+                
+                if bet_number < 0 or bet_number > 36:
+                    return "❌ 数字必须在0-36之间！"
+                bet_value = None
+            else:
+                return "❌ 参数格式错误！"
+            
+            session = self.db.get_active_casino_session(chat_id, '轮盘')
+            if not session:
+                return "❌ 当前没有进行中的游戏，请等待庄家开启游戏。"
+            
+            if amount < session['min_bet']:
+                return f"❌ 下注金额太小！最小下注：{session['min_bet']} 分"
+            
+            if amount > session['max_bet']:
+                return f"❌ 下注金额太大！最大下注：{session['max_bet']} 分"
+            
+            user_points = self.db.get_user_points(user_id)
+            if user_points['points'] < amount:
+                return f"❌ 积分不足！需要 {amount} 分，当前可用 {user_points['points']} 分"
+            
+            # 根据下注类型计算赔率
+            if bet_category == '数字':
+                multiplier = 36.0  # 35:1赔率，返回36倍（包含本金）
+            elif bet_category in ['颜色', '奇偶', '大小']:
+                multiplier = 2.0
+            elif bet_category == '区间':
+                multiplier = 3.0
+            else:
+                return f"❌ 未知的下注类别: {bet_category}"
+            
+            if not self.db.consume_points(user_id, amount, 'casino_bet', f"轮盘游戏下注{bet_category}"):
+                return "❌ 扣除积分失败！"
+            
+            bet_id = self.db.create_casino_bet(
+                chat_id=chat_id,
+                game_type='轮盘',
+                user_id=user_id,
+                bet_type='轮盘',
+                amount=amount,
+                multiplier=multiplier,
+                bet_category=bet_category,
+                bet_number=bet_number,
+                bet_value=bet_value
+            )
+            
+            updated_points = self.db.get_user_points(user_id)
+            
+            text = f"## 🎲 下注成功\n\n"
+            text += f"**下注类型**：{bet_category}"
+            if bet_number is not None:
+                text += f" - {bet_number}"
+            elif bet_value:
+                text += f" - {bet_value}"
+            text += f"\n\n**下注金额**：{amount} 分\n\n"
+            text += f"**赔率**：{multiplier} 倍\n\n"
+            text += f"**剩余积分**：{updated_points['points']} 分\n\n"
+            text += "---\n\n"
+            text += "💡 等待庄家结算结果..."
+            
+            return text
+            
+        except Exception as e:
+            logger.error(f"轮盘下注失败: {e}", exc_info=True)
+            return f"❌ 下注失败: {str(e)}"