diff --git a/MDM/Services/Material/MaterialBomService.cs b/MDM/Services/Material/MaterialBomService.cs
index d4fa6f8..551b29c 100644
--- a/MDM/Services/Material/MaterialBomService.cs
+++ b/MDM/Services/Material/MaterialBomService.cs
@@ -64,7 +64,7 @@ namespace MDM.Services.Material
                 {
 
                     //Id = SqlFunc.AggregateMax(it.Id),
-                    InvCode = SqlFunc.AggregateMax(it.InvCode),
+                    InvCode = it.InvCode,
                     InvName = SqlFunc.AggregateMax(it.InvName),
                     SubInvName = SqlFunc.AggregateMax(it.SubInvName),
                     Iusequantity = SqlFunc.AggregateMax(it.Iusequantity),