diff --git a/YD_AllHeartRates.Api/appsettings.json b/YD_AllHeartRates.Api/appsettings.json
index 28d8bdd..5948be5 100644
--- a/YD_AllHeartRates.Api/appsettings.json
+++ b/YD_AllHeartRates.Api/appsettings.json
@@ -43,6 +43,6 @@
     "Host": "8.153.108.90",
     "Port": 1883,
     "Topic": "heartrates/topic",
-    "BatchSize": 100
+    "BatchSize": 1
   }
 }
diff --git a/YD_AllHeartRates.Commons/Dto/Mqtt/BlePayload.cs b/YD_AllHeartRates.Commons/Dto/Mqtt/BlePayload.cs
index b276e3d..f23068b 100644
--- a/YD_AllHeartRates.Commons/Dto/Mqtt/BlePayload.cs
+++ b/YD_AllHeartRates.Commons/Dto/Mqtt/BlePayload.cs
@@ -37,5 +37,4 @@ namespace YD_AllHeartRates.Commons.Dto.Mqtt
         public string bs_name { get; set; }
         public string Broadcast_data { get; set; }
     }
-
 }