diff --git a/services/erp/erp.go b/services/erp/erp.go
index df24f2b..7950168 100644
--- a/services/erp/erp.go
+++ b/services/erp/erp.go
@@ -577,7 +577,7 @@ func GetOrderQty(PlantNr int, UserId string, allData *[]model.Article) (err erro
 			if err != nil || artInfo == nil {
 				continue
 			}
-			artInfo.PlanQty = Qty
+			artInfo.PlanQty += Qty
 			dao_SalesOrder.UpdateOne(artInfo)
 		}
 	}
@@ -702,7 +702,7 @@ func GetDuliQty(PlantNr int, UserId string, allData *[]model.Article) (err error
 			if err != nil || artInfo == nil {
 				continue
 			}
-			artInfo.PlanQty = Qty
+			artInfo.PlanQty += Qty
 			dao_SalesOrder.UpdateOne(artInfo)
 		}
 	}
@@ -778,7 +778,7 @@ func GetZhaizhiWeekQty(PlantNr int, UserId string, allData *[]model.Article) (er
 			if err != nil || artInfo == nil {
 				continue
 			}
-			artInfo.PlanQty = Qty
+			artInfo.PlanQty += Qty
 			dao_SalesOrder.UpdateOne(artInfo)
 		}
 	}