diff --git a/src/WMS.Web.Repositories/BackRecordRepositories.cs b/src/WMS.Web.Repositories/BackRecordRepositories.cs
index ba670c78..20663afc 100644
--- a/src/WMS.Web.Repositories/BackRecordRepositories.cs
+++ b/src/WMS.Web.Repositories/BackRecordRepositories.cs
@@ -142,6 +142,10 @@ namespace WMS.Web.Repositories
                 _transaction = _context.Database.BeginTransaction();
             try
             {
+                for(int i = 0;i<entity.Details.Count;i++)
+                {
+                    entity.Details[i].SerialNumbers.AddRange(entity.Details[i].TwoSerialNumbers);
+                }
                 await _context.BackRecord.AddAsync(entity);
                 await _context.SaveChangesAsync();
                 if (string.IsNullOrEmpty(entity.BillNo))