diff --git a/LanSheng/LanShengAPI/Properties/launchSettings.json b/LanSheng/LanShengAPI/Properties/launchSettings.json
index ea34080..4618bbd 100644
--- a/LanSheng/LanShengAPI/Properties/launchSettings.json
+++ b/LanSheng/LanShengAPI/Properties/launchSettings.json
@@ -8,7 +8,7 @@
         "ASPNETCORE_ENVIRONMENT": "Development"
       },
       "dotnetRunMessages": true,
-      "applicationUrl": "http://localhost:5048"
+      "applicationUrl": "http://localhost:5000"
     },
     "IIS Express": {
       "commandName": "IISExpress",
diff --git a/LanSheng/LanShengService/TcpService.cs b/LanSheng/LanShengService/TcpService.cs
index 58a9221..d19bd85 100644
--- a/LanSheng/LanShengService/TcpService.cs
+++ b/LanSheng/LanShengService/TcpService.cs
@@ -249,6 +249,10 @@ namespace LanShengService
             if (deviceData.Data8_B7_1104 == null) {
                 deviceData.Data8_B7_1104 = 0;
             }
+            if(deviceData.BinSize == null)
+            {
+                deviceData.BinSize = 0;
+            }
             foreach (PropertyInfo propertyInfo in TempPropertys)
             {
                 if (propertyInfo.GetValue(deviceData) == null) {