diff --git a/MQTT.py b/MQTT.py
index e6c6cf2..4491986 100755
--- a/MQTT.py
+++ b/MQTT.py
@@ -11,6 +11,7 @@ def on_connect(client, userdata, flags, rc):
     if rc == 0:
         print("成功订阅")
         client.subscribe('lot_mqtt')
+        client.publish('success', payload='成功订阅', qos=0)
 
 
 def valid(msg, client):