diff --git a/games/casino.py b/games/casino.py
index 8bfa8dc..ba56992 100644
--- a/games/casino.py
+++ b/games/casino.py
@@ -140,8 +140,9 @@ class CasinoGame(BaseGame):
                 house_fee=0.05  # 固定5%抽水
             )
             
+            banker_display_name = self.db.get_user_display_name(user_id)
             text = f"## 🎰 大小游戏已开启\n\n"
-            text += f"**庄家**：用户{user_id}\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"**赔率**：{multiplier} 倍\n\n"
@@ -250,8 +251,9 @@ class CasinoGame(BaseGame):
         bet_big = sum(b['amount'] for b in bets if b['bet_type'] == '大')
         bet_small = sum(b['amount'] for b in bets if b['bet_type'] == '小')
         
+        banker_display_name = self.db.get_user_display_name(session['banker_id'])
         text = f"## 🎰 大小游戏状态\n\n"
-        text += f"**庄家**：用户{session['banker_id']}\n\n"
+        text += f"**庄家**：{banker_display_name}\n\n"
         text += f"**最小下注**：{session['min_bet']} 分\n\n"
         text += f"**最大下注**：{session['max_bet']} 分\n\n"
         text += f"**赔率**：{session['multiplier']} 倍\n\n"
@@ -295,14 +297,16 @@ class CasinoGame(BaseGame):
             if settlement['winners']:
                 text += "**赢家明细**：\n"
                 for winner in settlement['winners']:
-                    text += f"- 用户{winner['user_id']}: 下注{winner['amount']}分，赢得{winner['win_amount']}分\n"
+                    winner_display_name = self.db.get_user_display_name(winner['user_id'])
+                    text += f"- {winner_display_name}: 下注{winner['amount']}分，赢得{winner['win_amount']}分\n"
                 text += "\n"
             
             # 显示输家详情
             if settlement['losers']:
                 text += "**输家明细**：\n"
                 for loser in settlement['losers']:
-                    text += f"- 用户{loser['user_id']}: 下注{loser['amount']}分\n"
+                    loser_display_name = self.db.get_user_display_name(loser['user_id'])
+                    text += f"- {loser_display_name}: 下注{loser['amount']}分\n"
                 text += "\n"
             
             text += "---\n\n"
@@ -359,8 +363,9 @@ class CasinoGame(BaseGame):
             """, (chat_id, '大小'))
             
             # 构建报告
+            banker_display_name = self.db.get_user_display_name(user_id)
             text = f"## 🎰 游戏已放弃\n\n"
-            text += f"**庄家**：用户{user_id}\n\n"
+            text += f"**庄家**：{banker_display_name}\n\n"
             text += f"**总返还积分**：{return_amount} 分\n\n"
             text += f"**返还人数**：{len(bets)} 人\n\n"
             text += "---\n\n"