修复签到bug

db/sign_in.py

@@ -33,7 +33,7 @@ class SignInDB(BaseDBOperator):
     def get_user_record(self, wx_id: str, group_id: str) -> Optional[Dict]:
         """获取用户签到记录"""
         sql = """
-        SELECT wx_id, group_id, wx_nick_name, points, sign_stat, signin_streak
+        SELECT wx_id, group_id, wx_nick_name, points, sign_stat, signin_streak,last_sign_date
         FROM t_sign_record 
         WHERE wx_id = %s AND group_id = %s
         """