diff --git a/src/WMS.Web.Repositories/BackRecordRepositories.cs b/src/WMS.Web.Repositories/BackRecordRepositories.cs
index 20663afc..4c8a729e 100644
--- a/src/WMS.Web.Repositories/BackRecordRepositories.cs
+++ b/src/WMS.Web.Repositories/BackRecordRepositories.cs
@@ -146,6 +146,7 @@ namespace WMS.Web.Repositories
                 {
                     entity.Details[i].SerialNumbers.AddRange(entity.Details[i].TwoSerialNumbers);
                 }
+
                 await _context.BackRecord.AddAsync(entity);
                 await _context.SaveChangesAsync();
                 if (string.IsNullOrEmpty(entity.BillNo))