add balance ,shop promotion

go/gopath/src/fohow.com/apps/helpers/promotion_helper.go

@@ -446,12 +446,12 @@ func PresentTransferToOrder(orderId string, wxUid int64) {
 	// 获取所有未写入赠品记录
 	presents := promotion_model.GetAllNoPatchPresents(wxUid)
 	for _, item := range presents {
-		item.OrderId = orderId
-		item.Status = true
-		item.Save()
 		//赠送赠品
 		product := product_model.GetProductById(item.SendProd, true)
 		if product != nil {
+			item.OrderId = orderId
+			item.Status = true
+			item.Save()
 			order_model.SendCreate(order.OrderId, order.Id, product.Id, product.Price, product.Price, product.Name, item.SendNums, order.Depart)
 		}
 	}