diff --git a/edu_coder/extur_edu.py b/edu_coder/extur_edu.py
index 046176c..b602a8a 100644
--- a/edu_coder/extur_edu.py
+++ b/edu_coder/extur_edu.py
@@ -38,8 +38,10 @@ def on_message(client, userdata, msg):
 		response_received = True
 
 
-# 创建客户端实例
-client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2,)
+try:
+	client = mqtt.Client()
+except:
+	client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2,)
 
 # 设置回调函数
 client.on_connect = on_connect