1.尝试修复签到不加分的错误2.移除注册时间显示

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]: