diff --git a/message_storage/message_to_db.py b/message_storage/message_to_db.py
index 7ca4ed2..dae964d 100644
--- a/message_storage/message_to_db.py
+++ b/message_storage/message_to_db.py
@@ -73,10 +73,10 @@ class MessageStorage:
 
                 if time_diff < timedelta(hours=3):
                     # 小于 3 小时，取 3 小时前
-                    last_summary_time = (current_time - timedelta(hours=3)).strftime('%Y-%m-%d %H:%M:%S')
+                    last_summary_time = (current_time - timedelta(hours=8)).strftime('%Y-%m-%d %H:%M:%S')
                 elif time_diff > timedelta(days=1):
                     # 大于 24 小时，取 6 小时前
-                    last_summary_time = (current_time - timedelta(hours=6)).strftime('%Y-%m-%d %H:%M:%S')
+                    last_summary_time = (current_time - timedelta(hours=8)).strftime('%Y-%m-%d %H:%M:%S')
 
             # 更新 Redis 存储的当前时间
             self._get_redis_connection().set(key, current_date)