diff --git a/BBWY.Client/APIServices/PurchaseOrderService.cs b/BBWY.Client/APIServices/PurchaseOrderService.cs
index 5b61712e..acd0f980 100644
--- a/BBWY.Client/APIServices/PurchaseOrderService.cs
+++ b/BBWY.Client/APIServices/PurchaseOrderService.cs
@@ -67,7 +67,8 @@ namespace BBWY.Client.APIServices
                     ProductId = sku.PurchaseProductId,
                     SkuId = sku.PurchaseSkuId,
                     SpecId = sku.PurchaseSkuSpecId,
-                    Quantity = sku.ItemTotal
+                    Quantity = sku.ItemTotal,
+                    BelongSkuId = sku.SkuId
                 }),
                 Platform = purchasePlatform,
                 AppKey = purchaseAccount.AppKey,
@@ -116,7 +117,8 @@ namespace BBWY.Client.APIServices
                     ProductId = sku.PurchaseProductId,
                     SkuId = sku.PurchaseSkuId,
                     SpecId = sku.PurchaseSkuSpecId,
-                    Quantity = sku.ItemTotal
+                    Quantity = sku.ItemTotal,
+                    BelongSkuId = sku.SkuId
                 }),
                 Platform = purchasePlatform,
                 AppKey = purchaseAccount.AppKey,