diff --git a/sensor_to_server.py b/sensor_to_server.py
index bb79bf0..5960e5b 100755
--- a/sensor_to_server.py
+++ b/sensor_to_server.py
@@ -218,9 +218,10 @@ 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:
+        except Exception as e:
+            print(e)
             pass
         finally:
             time.sleep(10)