diff --git a/WarehouseMgr/Tnb.WarehouseMgr/WmsEmptyInstockService.cs b/WarehouseMgr/Tnb.WarehouseMgr/WmsEmptyInstockService.cs
index 883caf0e..89bd11dd 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr/WmsEmptyInstockService.cs
+++ b/WarehouseMgr/Tnb.WarehouseMgr/WmsEmptyInstockService.cs
@@ -104,6 +104,7 @@ namespace Tnb.WarehouseMgr
                             preTask.bill_code = _billRullService.GetBillNumber(WmsWareHouseConst.WMS_PRETASK_H_ENCODE).GetAwaiter().GetResult();
                             preTask.status = WmsWareHouseConst.PRETASK_BILL_STATUS_DXF_ID;
                             preTask.biz_type = WmsWareHouseConst.BIZTYPE_WMSEMPTYINSTOCK_ID;
+                            preTask.task_type = WmsWareHouseConst.WMS_PRETASK_INSTOCK_TYPE_ID;
                             preTask.carry_id = input.data[nameof(preTask.carry_id)]?.ToString()!;
                             preTask.carry_code = input.data[nameof(preTask.carry_code)]?.ToString()!;
                             preTask.area_id = sPoint?.area_id;