diff --git a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
index e5d1ebb..7db44d9 100644
--- a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
+++ b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
@@ -307,6 +307,7 @@ namespace BBWYB.Server.Business
                         PurchaseFreight = currentOrderSkuFreightAmount,
                         PurchaseOrderId = purchaseOrderSimpleInfo.OrderId,
                         SkuAmount = currentOrderSkuProductAmount,
+                        TotalCost = currentOrderSkuProductAmount + currentOrderSkuFreightAmount,
                         SkuId = belongSkuId,
                         StorageAmount = 0,
                         IsEnabled = true
@@ -514,7 +515,6 @@ namespace BBWYB.Server.Business
                             OrderId = request.OrderId,
                             ProductId = dbOrderSku.ProductId,
                             SkuId = assOrderCostDetail.SkuId,
-                            PurchaseAmount = assOrderCostDetail.SkuAmount,
                             PurchaseFreight = avgFreight,
                             TotalCost = assOrderCostDetail.SkuAmount + avgFreight
                         };
@@ -899,26 +899,36 @@ namespace BBWYB.Server.Business
             {
                 var orderPurchaseInfo = fsql.Select<OrderPurchaseInfo>().Where(opi => opi.PurchaseOrderId == purchaseOrderId).ToOne();
                 if (orderPurchaseInfo == null)
-                    throw new Exception($"未查询到采购单{orderPurchaseInfo.PurchaseAccountId}");
+                    throw new Exception($"采购单{purchaseOrderId}-未查询到采购单");
 
                 var purchaseAccount = fsqlManager.MDSfsql.Select<Purchaseaccount>().Where(pa => pa.Id == orderPurchaseInfo.PurchaseAccountId).ToOne();
                 if (purchaseAccount == null)
-                    throw new Exception($"未查询到采购账号{orderPurchaseInfo.PurchaseAccountId}");
+                    throw new Exception($"采购单{purchaseOrderId}-未查询到采购账号{orderPurchaseInfo.PurchaseAccountId}");
 
-                var dbOrder = fsql.Select<Order>(orderPurchaseInfo.OrderId).ToOne(o => new { o.OrderTotalPrice });
+                var dbOrder = fsql.Select<Order>(orderPurchaseInfo.OrderId).ToOne();
                 var dbOrderCost = fsql.Select<OrderCost>(orderPurchaseInfo.OrderId).ToOne();
                 if (dbOrderCost == null)
-                    throw new Exception($"未查询到订单成本 {orderPurchaseInfo.OrderId}");
+                    throw new Exception($"采购单{purchaseOrderId}-未查询到订单{orderPurchaseInfo.OrderId}的成本");
+
+                var dbOrderCostDetails = fsql.Select<OrderCostDetail>().Where(ocd => ocd.OrderId == dbOrder.Id && ocd.IsEnabled == true).ToList();
+                if (dbOrderCostDetails.Count() == 0)
+                    throw new Exception($"采购单{purchaseOrderId}-未查询到订单{orderPurchaseInfo.OrderId}的明细成本");
+
+                var dbOrderPurchaseRelationInfos = fsql.Select<OrderPurchaseRelationInfo>().Where(x => x.OrderId == dbOrder.Id).ToList();
+                if (dbOrderPurchaseRelationInfos.Count() == 0)
+                    throw new Exception($"采购单{purchaseOrderId}-未查询到采购单关联明细,手动关联的采购单不支持改价");
+
+                var dbOrderPurchaseInfoList = fsql.Select<OrderPurchaseInfo>().Where(opi => opi.OrderId == orderPurchaseInfo.OrderId && opi.IsEnabled == true).ToList();
+                if (dbOrderPurchaseInfoList.Count() == 0)
+                    throw new Exception($"采购单{purchaseOrderId}-未查询到订单{orderPurchaseInfo.OrderId}的采购单集合");
+
+                List<IUpdate<OrderCostDetail>> updateOrderCostDetailList = new List<IUpdate<OrderCostDetail>>();
+                IUpdate<OrderCost> updateOrderCost = null;
 
-                var orderPurchaseInfoList = fsql.Select<OrderPurchaseInfo>().Where(opi => opi.OrderId == orderPurchaseInfo.OrderId).ToList(opi => new
-                {
-                    opi.PurchaseOrderId,
-                    opi.PurchaseAccountId
-                });
                 var client = ppPlatformClientFactory.GetClient(AdapterEnums.PlatformType.阿里巴巴);
 
                 var totalPurchaseAmount = 0M;
-                foreach (var opi in orderPurchaseInfoList)
+                foreach (var opi in dbOrderPurchaseInfoList)
                 {
                     var purchaseOrderSimpleInfo = client.QueryOrderDetail(new PP_QueryOrderDetailRequest()
                     {
@@ -928,25 +938,50 @@ namespace BBWYB.Server.Business
                         OrderId = opi.PurchaseOrderId
                     });
                     totalPurchaseAmount += purchaseOrderSimpleInfo.TotalAmount;
-                }
 
+                    var currentPurchaseOrderRelationInfos = dbOrderPurchaseRelationInfos.Where(x => x.PurchaseOrderId == opi.PurchaseOrderId).ToList();
 
-                //var oldTotalAmount = dbOrderCost.PurchaseAmount;
-                //var oldProductAmount = dbOrderCostDetailList.Sum(ocd => ocd.SkuAmount);
-                //var oldPurchaseFreight = dbOrderCostDetailList.Sum(ocd => ocd.PurchaseFreight);
+                    var belongSkuGroups = currentPurchaseOrderRelationInfos.GroupBy(p => p.BelongSkuId);
+                    foreach (var belongSkuGroup in belongSkuGroups)
+                    {
+                        var belongSkuId = belongSkuGroup.Key;
+                        var currentOrderSkuProductAmount = 0M; //采购成本
+                        var currentOrderSkuCargoParamList = belongSkuGroup.ToList(); //找当前skuId的采购skuId
 
-                dbOrderCost.PurchaseAmount = totalPurchaseAmount;
-                dbOrderCost.Profit = dbOrder.OrderTotalPrice -
-                                     dbOrderCost.PurchaseAmount -
-                                     dbOrderCost.DeliveryExpressFreight;  // -orderCost.PlatformCommissionAmount
+                        foreach (var currentOrderSkuCargo in currentOrderSkuCargoParamList)
+                        {
+                            var purchaseSkuProductAmount = purchaseOrderSimpleInfo.ItemList.Where(p => p.SkuId == currentOrderSkuCargo.PurchaseSkuId)
+                                                                                           .Sum(p => p.ProductAmount);
+                            var purchaseSkuTotalQuantity = purchaseOrderSimpleInfo.ItemList.Where(p => p.SkuId == currentOrderSkuCargo.PurchaseSkuId)
+                                                                                           .Sum(p => p.Quantity);
+                            currentOrderSkuProductAmount += purchaseSkuProductAmount * (1.0M * currentOrderSkuCargo.Quantity.Value / purchaseSkuTotalQuantity);
+                        }
 
-                fsql.Transaction(() =>
-                {
-                    fsql.Update<OrderCost>(dbOrderCost.OrderId).Set(oc => oc.PurchaseAmount, dbOrderCost.PurchaseAmount)
-                                                               .Set(oc => oc.Profit, dbOrderCost.Profit)
-                                                               .ExecuteAffrows();
-                });
+                        var currentOrderSkuFreightAmount = purchaseOrderSimpleInfo.FreightAmount / belongSkuGroups.Count(); //采购运费(按sku数均分)
+
+                        var dbOrderSkuDetail = dbOrderCostDetails.FirstOrDefault(ocd => ocd.SkuId == belongSkuId);
+                        dbOrderSkuDetail.SkuAmount = currentOrderSkuProductAmount;
+                        dbOrderSkuDetail.PurchaseFreight = currentOrderSkuFreightAmount;
+                        dbOrderSkuDetail.TotalCost = currentOrderSkuProductAmount + currentOrderSkuFreightAmount;
+                        updateOrderCostDetailList.Add(fsql.Update<OrderCostDetail>().SetSource(dbOrderSkuDetail));
+                    }
+
+                    dbOrderCost.PurchaseAmount = totalPurchaseAmount;
+                    dbOrderCost.Profit = dbOrder.OrderTotalPrice -
+                                         dbOrderCost.PurchaseAmount -
+                                         dbOrderCost.DeliveryExpressFreight;  // -orderCost.PlatformCommissionAmount
 
+                    fsql.Transaction(() =>
+                    {
+                        foreach (var update in updateOrderCostDetailList)
+                            update.ExecuteAffrows();
+                        updateOrderCost?.ExecuteAffrows();
+
+                        //fsql.Update<OrderCost>(dbOrderCost.OrderId).Set(oc => oc.PurchaseAmount, dbOrderCost.PurchaseAmount)
+                        //                                           .Set(oc => oc.Profit, dbOrderCost.Profit)
+                        //                                           .ExecuteAffrows();
+                    });
+                }
             }
             catch (Exception ex)
             {
diff --git a/BBWYB.Server.Model/Db/Order/OrderCostDetail.cs b/BBWYB.Server.Model/Db/Order/OrderCostDetail.cs
index 3ba1064..6f4b31f 100644
--- a/BBWYB.Server.Model/Db/Order/OrderCostDetail.cs
+++ b/BBWYB.Server.Model/Db/Order/OrderCostDetail.cs
@@ -109,12 +109,6 @@ namespace BBWYB.Server.Model.Db
 		[Column(DbType = "decimal(20,2)")]
 		public decimal? StorageAmount { get; set; } = 0.00M;
 
-		/// <summary>
-		/// 采购成本(不含发货运费)
-		/// </summary>
-		[Column(DbType = "decimal(20,2)")]
-		public decimal? PurchaseAmount { get; set; } = 0.00M;
-
 		/// <summary>
 		/// 成本总计
 		/// </summary>