使用通讯录内容，优化性能

plugins/point_trade/main.py

@@ -14,6 +14,7 @@ from utils.robot_cmd.robot_command import Feature, PermissionStatus, GroupBotMan
 
 import mysql.connector.pooling
 
+from utils.wechat.contact_manager import ContactManager
 from wechat_ipad import WechatAPIClient
 from wechat_ipad.models.message import WxMessage
 
@@ -367,12 +368,14 @@ class PointTradePlugin(MessagePluginInterface):
 
             # 构建排行榜消息
             rank_list = []
+            con = ContactManager.get_instance()
             for i, user in enumerate(ranking, 1):
                 user_id = user.get('user_id', '')
                 points = user.get('total_points', 0)
 
                 # 获取用户昵称
-                user_info = await self.bot.get_chatroom_nickname(user_id, roomid)
+                # user_info = await self.bot.get_chatroom_nickname(user_id, roomid)
+                user_info = con.get_group_name(roomid, user_id) or user_id
 
                 # 添加排名标记
                 rank_mark = "🥇" if i == 1 else "🥈" if i == 2 else "🥉" if i == 3 else f"{i}."