diff --git a/main.py b/main.py
index 9ecc18c..cc8ed72 100644
--- a/main.py
+++ b/main.py
@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 import logging
 import threading
+import time
 from argparse import ArgumentParser
 import uvicorn
 from fastapi import FastAPI
@@ -98,7 +99,8 @@ def main(chat_type: int):
     if error_msg:
         logger.error("登录失败")
         return
-
+    #休眠等待server启动，防止回调设置失败
+    time.sleep(10)
     resp = client.set_callback(token, callback_url)
     print(f"set_callback:{resp}")
 
diff --git a/robot.py b/robot.py
index 441b10a..f11d0d8 100644
--- a/robot.py
+++ b/robot.py
@@ -452,7 +452,7 @@ class Robot(Job):
         """更新联系人详细信息（昵称等）"""
         try:
             # 将wxid列表分批处理，每批50个
-            batch_size = 50
+            batch_size = 10
             wxids = list(contacts_dict.keys())
             
             for i in range(0, len(wxids), batch_size):