diff --git a/message_sign/main.py b/message_sign/main.py
index 099d27a..06085fe 100644
--- a/message_sign/main.py
+++ b/message_sign/main.py
@@ -51,9 +51,6 @@ class SignInSystem:
         
         # 初始化数据库连接管理器
         self.db_manager = DBConnectionManager()
-        self.db_manager.mysql_pool = db_pool
-        self.db_manager.redis_pool = redis_pool
-        
         # 初始化数据库操作类
         self.sign_in_db = SignInDB(self.db_manager)
         self.sign_in_redis = SignInRedisDB(self.db_manager)