diff --git a/sensor_to_server.py b/sensor_to_server.py
index b3dcc12..e5d0a7e 100755
--- a/sensor_to_server.py
+++ b/sensor_to_server.py
@@ -196,7 +196,7 @@ def t():
             pass
 
 
-def test():
+def p():
     while True:
         time.sleep(10)
         try:
@@ -219,7 +219,7 @@ def test():
                     'device_name': device_name
                     }
             t2 = LOT_DATA(**data)
-            # client.publish('demo', payload=json.dumps(data, ensure_ascii=False), qos=0)
+            client.publish('demo', payload=json.dumps(data, ensure_ascii=False), qos=0)
             add(t2)
         except Exception as e:
             print(e)
@@ -227,7 +227,8 @@ def test():
 
 
 def on_connect(client, userdata, flags, rc):
-    threading.Thread(target=test).start()
+    if rc == 0:
+        threading.Thread(target=p).start()
 
 
 if __name__ == '__main__':