diff --git a/src/BarCode.Web.Domain/Services/SerialNumberService.cs b/src/BarCode.Web.Domain/Services/SerialNumberService.cs
index c0b60a4..b81fdff 100644
--- a/src/BarCode.Web.Domain/Services/SerialNumberService.cs
+++ b/src/BarCode.Web.Domain/Services/SerialNumberService.cs
@@ -321,6 +321,10 @@ namespace BarCode.Web.Domain.Services
                 //olist = snGRList.Where(w => dto.SerialNumbers.Contains(w.TwoSerialNumber)).ToList();
             }
             olist.ForEach(f => f.DownLoad());
+            if(dto.IsTwo == 2)
+            {
+            snGRList.Union(olist);
+            }
 
 
             foreach (var g in generateRecords)