diff --git a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
index a907d1b..3fb8c68 100644
--- a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
+++ b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
@@ -568,7 +568,7 @@ namespace BBWYB.Server.Business
 
             foreach (var apo in request.AssociationPurchaseOrderList)
             {
-                if (Math.Abs(apo.PurchaseAmount - apo.AssocationOrderCostDetailList.Sum(aocd => aocd.SkuAmount * aocd.PurchaseQuantity)) > 1)
+                if (Math.Abs(apo.PurchaseAmount - apo.AssocationOrderCostDetailList.Sum(aocd => aocd.SkuAmount)) > 1)
                     throw new BusinessException($"采购单{apo.PurchaseOrderId}的采购货款与明细采购货款总和误差不能超过1");
             }
             #endregion