diff --git a/robot.py b/robot.py
index 8d3373d..219889f 100644
--- a/robot.py
+++ b/robot.py
@@ -2,10 +2,6 @@
 import logging
 import re
 import time
-import xml.etree.ElementTree as ET
-from queue import Empty
-from threading import Thread
-import random
 
 from gewechat_client import GewechatClient
 
@@ -59,12 +55,12 @@ class Robot(Job):
         self.db_pool = self.db_manager.mysql_pool
         self.redis_pool = self.db_manager.redis_pool
 
+        self.contacts_db = ContactsDBOperator(self.db_manager)
         # 初始化联系人管理器并设置联系人
         self.contact_manager = ContactManager.get_instance()
         self.allContacts = self.get_all_contacts()
         self.contact_manager.set_contacts(self.allContacts)
 
-        self.contacts_db = ContactsDBOperator(self.db_manager)
         # 获取个人信息
         obj = json_to_object(self.client.get_profile(self.app_id))
         if obj.data.wxid is None: