diff --git a/src/BarCode.Web.Domain/Services/SerialNumberService.cs b/src/BarCode.Web.Domain/Services/SerialNumberService.cs
index 7fc52c2..116978b 100644
--- a/src/BarCode.Web.Domain/Services/SerialNumberService.cs
+++ b/src/BarCode.Web.Domain/Services/SerialNumberService.cs
@@ -81,6 +81,7 @@ namespace BarCode.Web.Domain.Services
         /// <exception cref="NotImplementedException"></exception>
         public Task<Result> Generate(GenerateSerialNumberRequest dto, LoginInDto loginInfo)
         {
+
             if (dto.Details.Count() == 0) return Task.FromResult(Result.ReSuccess());
             //if (dto.Details.Count() > 1000) return Task.FromResult(Result.ReFailure(ResultCodes.SerialGenerateBigNumber));