重大版本调整：gewechat兼容。

plugins/group_member_change/main.py

@@ -4,8 +4,6 @@ import time
 from datetime import datetime
 from typing import Dict, Any, List, Optional, Tuple
 
-from wcferry import Wcf
-
 from plugin_common.message_plugin_interface import MessagePluginInterface
 from plugin_common.plugin_interface import PluginStatus
 from utils.robot_cmd.robot_command import Feature, PermissionStatus, GroupBotManager
@@ -51,8 +49,6 @@ class GroupMemberChangePlugin(MessagePluginInterface):
         """初始化插件"""
         self.LOG.info(f"正在初始化 {self.name} 插件...")
 
-        # 保存上下文对象
-        self.wcf: Wcf = context.get("wcf")
         # 创建消息工具实例message_util
         self.message_util: MessageUtil = context.get("message_util")
 
@@ -130,7 +126,7 @@ class GroupMemberChangePlugin(MessagePluginInterface):
         """检查指定群的成员变化"""
         try:
             # 获取当前群成员
-            current_members = self.wcf.get_chatroom_members(group_id)
+            current_members = self.message_util.get_chatroom_members(group_id)
 
             # 添加安全检查：如果获取到的成员列表为空，可能是接口异常
             if not current_members: