msg MQTT message

smp_coder/extur_smp.py

@@ -34,8 +34,6 @@ def on_message(client, userdata, msg):
 			client.publish("response/{}".format(user_id), "image produce success!", qos=2)
 			client.publish("image/{}".format(user_id), open("/tmp/image.jpg", "rb").read(), qos=2)
 		# 全局变量，用于标记是否收到响应
-			global response_received
-			response_received = True
 
 # 创建客户端实例
 client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2,)