diff --git a/sensor_to_local.py b/sensor_to_local.py
index d1703d0..52ac798 100755
--- a/sensor_to_local.py
+++ b/sensor_to_local.py
@@ -186,6 +186,7 @@ def local():
                     }
             t = LOT_DATA(**data)
             add(t)
+            time.sleep(1)
         except Exception as e:
             print(e)
             pass
diff --git a/sensor_to_server.py b/sensor_to_server.py
index 8ba691f..126624b 100755
--- a/sensor_to_server.py
+++ b/sensor_to_server.py
@@ -218,6 +218,7 @@ def test():
         t2 = LOT_DATA(**data)
         client.publish('demo', payload=json.dumps(data, ensure_ascii=False), qos=0)
         add(t2)
+        time.sleep(1)
 
 
 def on_connect(client, userdata, flags, rc):