修复关联预览采购单价计算错误的问题

BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs

@@ -959,13 +959,13 @@ namespace BBWYB.Server.Business
                 {
                     Logo = orderSku.Logo,
                     Title = orderSku.Title,
-                    SkuId = skuId,
+                    SkuId =  skuId,
                     OrderId = orderSku.OrderId,
                     SkuAmount = orderPurchaseSkuOfCurrentSchemeList.Sum(psku => psku.ProductAmount),
                     PurchaseQuantity = orderSku.ItemTotal.Value,
                     PurchaseFreight = purchaseOrderSimpleInfo.FreightAmount * (1.0M * orderPurchaseSkuOfCurrentSchemeList.Sum(x => x.Quantity) / totalPurchaseCount)
                 };
-                assocationOrderCostDetail.PurchasePrice = assocationOrderCostDetail.SkuAmount / assocationOrderCostDetail.PurchaseFreight;
+                assocationOrderCostDetail.PurchasePrice = assocationOrderCostDetail.SkuAmount / assocationOrderCostDetail.PurchaseQuantity;
                 assocationOrderCostDetailList.Add(assocationOrderCostDetail);
             }
             #endregion