diff --git a/db/contacts_db.py b/db/contacts_db.py
index ffc7a4e..97078cc 100644
--- a/db/contacts_db.py
+++ b/db/contacts_db.py
@@ -17,10 +17,8 @@ logger = logging.getLogger(__name__)
 class ContactsDBOperator(BaseDBOperator):
     """微信联系人数据库操作类"""
 
-    def __init__(self, db_manager=None):
-        """初始化联系人数据库操作类"""
-        super().__init__(db_manager or DBConnectionManager.get_instance())
-        self.logger = logging.getLogger("ContactsDBOperator")
+    def __init__(self, db_manager: DBConnectionManager):
+        super().__init__(db_manager)
 
 
     def _ensure_table_exists(self):
diff --git a/robot.py b/robot.py
index 3e82b30..8d3373d 100644
--- a/robot.py
+++ b/robot.py
@@ -460,7 +460,7 @@ class Robot(Job):
                 
                 # 批量获取联系人详细信息
                 contact_info = self.client.get_detail_info(self.app_id, batch_wxids)
-                
+                self.LOG.info(f"获取联系人详细信息响应: {contact_info}")
                 # 处理返回的数据
                 if contact_info and contact_info.get("ret") == 200 and "data" in contact_info:
                     contact_data = contact_info.get("data", [])