diff --git a/.gitignore b/.gitignore
index 18d7bb0..4f70642 100644
--- a/.gitignore
+++ b/.gitignore
@@ -181,3 +181,6 @@ cython_debug/
 .cursorindexingignore
 # IDE
 .vscode/
+
+# Database
+data/
\ No newline at end of file
diff --git a/core/database.py b/core/database.py
index 3d8b8c4..dfec8f7 100644
--- a/core/database.py
+++ b/core/database.py
@@ -544,12 +544,16 @@ class Database:
         today = datetime.now().strftime('%Y-%m-%d')
         
         if self.check_daily_checkin(user_id, today):
+            logger.warning(f"用户 {user_id} 今日已签到")
             return False
         
         cursor = self.conn.cursor()
         current_time = int(time.time())
         
         try:
+            # 确保用户存在
+            self.get_or_create_user(user_id)
+            
             # 记录签到
             cursor.execute(
                 "INSERT INTO daily_checkins (user_id, checkin_date, points_earned, created_at) VALUES (?, ?, ?, ?)",
@@ -557,10 +561,12 @@ class Database:
             )
             
             # 添加积分
-            return self.add_points(user_id, points, "daily_checkin", f"每日签到奖励")
+            result = self.add_points(user_id, points, "daily_checkin", f"每日签到奖励")
+            logger.info(f"用户 {user_id} 签到结果: {result}, 积分: {points}")
+            return result
             
         except Exception as e:
-            logger.error(f"每日签到失败: {e}")
+            logger.error(f"每日签到失败: {e}", exc_info=True)
             return False
     
     def get_points_leaderboard(self, limit: int = 10) -> List[Dict]:
diff --git a/data/bot.db b/data/bot.db
index 132558e..d3d74c4 100644
Binary files a/data/bot.db and b/data/bot.db differ
diff --git a/games/points.py b/games/points.py
index 5d2d112..fccfe6b 100644
--- a/games/points.py
+++ b/games/points.py
@@ -71,20 +71,25 @@ class PointsGame(BaseGame):
             return f"❌ 今日已签到，明天再来吧！\n\n📅 签到日期：{today}"
         
         # 执行签到
-        if self.db.daily_checkin(user_id, checkin_points):
-            # 获取用户积分信息
-            points_info = self.db.get_user_points(user_id)
-            
-            text = f"## ✅ 签到成功！\n\n"
-            text += f"**获得积分**：+{checkin_points} 分\n\n"
-            text += f"**当前积分**：{points_info['available_points']} 分\n\n"
-            text += f"**总积分**：{points_info['total_points']} 分\n\n"
-            text += f"📅 签到日期：{today}\n\n"
-            text += "💡 提示：每天签到可获得固定积分奖励！"
-            
-            return text
-        else:
-            return "❌ 签到失败，请稍后重试"
+        try:
+            result = self.db.daily_checkin(user_id, checkin_points)
+            if result:
+                # 获取用户积分信息
+                points_info = self.db.get_user_points(user_id)
+                
+                text = f"## ✅ 签到成功！\n\n"
+                text += f"**获得积分**：+{checkin_points} 分\n\n"
+                text += f"**当前积分**：{points_info['available_points']} 分\n\n"
+                text += f"**总积分**：{points_info['total_points']} 分\n\n"
+                text += f"📅 签到日期：{today}\n\n"
+                text += "💡 提示：每天签到可获得固定积分奖励！"
+                
+                return text
+            else:
+                return "❌ 签到失败，请稍后重试"
+        except Exception as e:
+            logger.error(f"签到过程中发生错误: {e}", exc_info=True)
+            return f"❌ 签到过程中发生错误: {str(e)}"
     
     def _get_user_points(self, user_id: int) -> str:
         """获取用户积分信息
@@ -100,7 +105,6 @@ class PointsGame(BaseGame):
         text = f"## 💎 个人积分\n\n"
         text += f"**可用积分**：{points_info['available_points']} 分\n\n"
         text += f"**总积分**：{points_info['total_points']} 分\n\n"
-        text += f"**注册时间**：{datetime.fromtimestamp(points_info['created_at']).strftime('%Y-%m-%d %H:%M')}\n\n"
         text += "---\n\n"
         text += "💡 提示：\n"
         text += "• 每日签到可获得 10 积分\n"