调整内容

message_util.py

@@ -16,10 +16,10 @@ class MessageUtil:
     """
 
     # 修改 MessageUtil 类的初始化方法，接受联系人管理器而不是联系人字典
-    def __init__(self, app_id: str, base_url: str, client: GewechatClient, contact_manager: ContactManager):
+    def __init__(self, app_id: str, client: GewechatClient):
         self.app_id = app_id
         self.client = client
-        self.contact_manager = contact_manager
+        self.contact_manager = ContactManager.get_instance()
         self.LOG = logging.getLogger("MessageUtil")
 
     def send_text(self, msg: str, receiver: str, at_list: str = "") -> None: