diff --git a/WarehouseMgr/Tnb.WarehouseMgr/WareHouseService.cs b/WarehouseMgr/Tnb.WarehouseMgr/WareHouseService.cs
index cd0c01d3..66d41afb 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr/WareHouseService.cs
+++ b/WarehouseMgr/Tnb.WarehouseMgr/WareHouseService.cs
@@ -3303,7 +3303,7 @@ namespace Tnb.WarehouseMgr
                     ["csourcebillbid"] = item.erp_line_pk,
                     ["csourcebillhid"] = wmsMaterialTransfer.erp_pk,
                     ["vbatchcode"] = item.code_batch,
-                    ["vfree1"] = wmsCarryCode?.auxprop_xph ?? "",
+                    ["vfree1"] = wmsCarryCode?.auxprop_xph,
                 });
             }
             erpRequestData.Add("dtls", erpRequestDataDetails);