diff --git a/src/Khd.Core.Wcs/Wcs/FiveFloorAGV.cs b/src/Khd.Core.Wcs/Wcs/FiveFloorAGV.cs
index 97ae1d1..4029a3a 100644
--- a/src/Khd.Core.Wcs/Wcs/FiveFloorAGV.cs
+++ b/src/Khd.Core.Wcs/Wcs/FiveFloorAGV.cs
@@ -689,7 +689,7 @@ namespace Khd.Core.Wcs.Wcs
                                                 warehouseId = 511,
                                             };
                                             WmsRawInstock? WmsRawInstock = dbContext.WmsRawInstock.FirstOrDefault(t => t.materialBarCode == mesBasePalletInfo.materialBarcode && t.instockType =="2");
-                                            WmsRawInstock.returnFlag = "1";
+                                            WmsRawInstock.returnFlag = null;
                                             WmsRawInstock.executeStatus = "2";
                                             WmsRawInstock.updateDate = DateTime.Now;
                                             //WmsRawInstock wmsRawInstock = new WmsRawInstock()