fix 默认值

Src/Dlhis.Basic/Device/Services/Implements/DeviceService.cs

@@ -190,6 +190,7 @@ public class DeviceService : IDeviceService
                     DeviceUniqueNo = entity.UniqueNo,
                     Type = DeviceUploadLogTypeEnumType.Raise,
                     UserUniqueNo = string.Empty,
+                    SerialNo = string.Empty,
                     RaiseDateTime = entity.CreateTime,
                 });
             }