diff --git a/message_storage/message_to_db.py b/message_storage/message_to_db.py
index 79645b4..1af52fc 100644
--- a/message_storage/message_to_db.py
+++ b/message_storage/message_to_db.py
@@ -56,10 +56,8 @@ class MessageStorage:
             # 获取 redis 中的上次总结时间，本次从上次开始算，若没有，则从 8 小时之前开始计算
             key = f"{group_id}:summary_time"
             last_summary_time = self._get_redis_connection().get(key)
-
+            print(f"last_summary_time:{last_summary_time}")
             # 如果 Redis 返回值为字节类型，转换为字符串
-            if last_summary_time:
-                last_summary_time = last_summary_time.decode('utf-8')
 
             current_time = datetime.now()
             current_date = current_time.strftime('%Y-%m-%d %H:%M:%S')