diff --git a/BBWY.Client/Models/APIModel/Response/PurchaseOrder/OnlinePurchase/OrderTradeTypeResponse.cs b/BBWY.Client/Models/APIModel/Response/PurchaseOrder/OnlinePurchase/OrderTradeTypeResponse.cs
new file mode 100644
index 00000000..258076d7
--- /dev/null
+++ b/BBWY.Client/Models/APIModel/Response/PurchaseOrder/OnlinePurchase/OrderTradeTypeResponse.cs
@@ -0,0 +1,9 @@
+namespace BBWY.Client.Models
+{
+    public class OrderTradeTypeResponse
+    {
+        public string Code { get; set; }
+
+        public string Name { get; set; }
+    }
+}
diff --git a/BBWY.Client/Models/APIModel/Response/PurchaseOrder/OnlinePurchase/PreviewOrderResponse.cs b/BBWY.Client/Models/APIModel/Response/PurchaseOrder/OnlinePurchase/PreviewOrderResponse.cs
index cc15aa01..845a2611 100644
--- a/BBWY.Client/Models/APIModel/Response/PurchaseOrder/OnlinePurchase/PreviewOrderResponse.cs
+++ b/BBWY.Client/Models/APIModel/Response/PurchaseOrder/OnlinePurchase/PreviewOrderResponse.cs
@@ -16,5 +16,10 @@
         /// 运费
         /// </summary>
         public decimal FreightAmount { get; set; }
+
+        /// <summary>
+        /// 交易方式
+        /// </summary>
+        public OrderTradeTypeResponse OrderTradeType { get; set; }
     }
 }
diff --git a/BBWY.Client/ViewModels/Purchase/1688PreviewPurchaseViewModel.cs b/BBWY.Client/ViewModels/Purchase/1688PreviewPurchaseViewModel.cs
index 5b5d486b..44845f06 100644
--- a/BBWY.Client/ViewModels/Purchase/1688PreviewPurchaseViewModel.cs
+++ b/BBWY.Client/ViewModels/Purchase/1688PreviewPurchaseViewModel.cs
@@ -51,6 +51,8 @@ namespace BBWY.Client.ViewModels
         private string town;
         private string prucahseRemark;
 
+        private string tradeMode;
+
         public _1688PreviewPurchaseViewModel(OneBoundAPIService oneBoundAPIService, PurchaseOrderService purchaseOrderService)
         {
             this.oneBoundAPIService = oneBoundAPIService;
@@ -209,12 +211,14 @@ namespace BBWY.Client.ViewModels
                             if (!r.Success)
                             {
                                 ProductAmount = FreightAmount = TotalAmount = 0;
+                                tradeMode = string.Empty;
                                 App.Current.Dispatcher.Invoke(() => MessageBox.Show(r.Msg, "预览订单报价"));
                                 return;
                             }
                             ProductAmount = r.Data.ProductAmount;
                             FreightAmount = r.Data.FreightAmount;
                             TotalAmount = r.Data.TotalAmount;
+                            tradeMode = r.Data.OrderTradeType?.Code;
                         });
         }
     }
diff --git a/BBWY.Server.Business/BBWY.Server.Business.csproj b/BBWY.Server.Business/BBWY.Server.Business.csproj
index c9937f02..9c1f3f0e 100644
--- a/BBWY.Server.Business/BBWY.Server.Business.csproj
+++ b/BBWY.Server.Business/BBWY.Server.Business.csproj
@@ -21,4 +21,8 @@
     <ProjectReference Include="..\BBWY.Server.Model\BBWY.Server.Model.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="新文件夹\" />
+  </ItemGroup>
+
 </Project>
diff --git a/BBWY.Server.Business/PlatformSDK/_1688Business.cs b/BBWY.Server.Business/PlatformSDK/_1688Business.cs
index 642009d2..3e049cb5 100644
--- a/BBWY.Server.Business/PlatformSDK/_1688Business.cs
+++ b/BBWY.Server.Business/PlatformSDK/_1688Business.cs
@@ -17,10 +17,12 @@ namespace BBWY.Server.Business
     {
         public override Enums.Platform Platform => Enums.Platform.阿里巴巴;
         private RestApiService restApiService;
+        private _1688TradeTypeCompare _1688TradeTypeCompare;
 
         public _1688Business(IMemoryCache memoryCache, ILogger logger, RestApiService restApiService) : base(memoryCache, logger)
         {
             this.restApiService = restApiService;
+            _1688TradeTypeCompare = new _1688TradeTypeCompare();
         }
 
         private SyncAPIClient GetSyncAPIClient(string appKey, string appSecret)
@@ -82,17 +84,51 @@ namespace BBWY.Server.Business
                 request.AccessToken = previewOrderReuqest.AppToken;
             var result = client.NewRequest(request, reqPolicy);
             if (result.Value<bool>("success") != true)
-            {
                 throw new BusinessException(result.Value<string>("errorMsg")) { Code = 0 };
-            }
 
             var orderPreviewResuslt = (JArray)result["orderPreviewResuslt"];
+            List<JToken> intersectTradeModeList = new List<JToken>();
+
+            foreach (var orderPreviewJToken in orderPreviewResuslt)
+            {
+                if (orderPreviewJToken["tradeModelList"] == null)
+                    throw new BusinessException("当前交易不可通过API下单,请使用1688网页交易 [交易模式列表为空]");
+                var tradeModeJArray = ((JArray)orderPreviewJToken["tradeModelList"]).Where(tradeJToken => tradeJToken.Value<bool>("opSupport"));
+                if (tradeModeJArray.Count() == 0)
+                    throw new BusinessException("当前交易不可通过API下单,请使用1688网页交易 [没有支持开放平台下单的交易模式]");
+
+                if (intersectTradeModeList.Count() == 0)
+                    intersectTradeModeList.AddRange(tradeModeJArray);
+                else
+                    intersectTradeModeList = intersectTradeModeList.Intersect(tradeModeJArray, _1688TradeTypeCompare).ToList();
+            }
+
+            if (intersectTradeModeList.Count() == 0)
+                throw new BusinessException("当前交易不可通过API下单,请使用1688网页交易 [多个拆单之间没有相同的交易模式]");
             return new PreviewOrderResponse()
             {
                 FreightAmount = orderPreviewResuslt.Sum(jt => jt.Value<decimal>("sumCarriage")) / 100M,
                 ProductAmount = orderPreviewResuslt.Sum(jt => jt.Value<decimal>("sumPaymentNoCarriage")) / 100M,
-                TotalAmount = orderPreviewResuslt.Sum(jt => jt.Value<decimal>("sumPayment")) / 100M
+                TotalAmount = orderPreviewResuslt.Sum(jt => jt.Value<decimal>("sumPayment")) / 100M,
+                OrderTradeType = new OrderTradeTypeResponse()
+                {
+                    Code = intersectTradeModeList.First().Value<string>("tradeType"),
+                    Name = intersectTradeModeList.First().Value<string>("name"),
+                }
             };
         }
     }
+
+    public class _1688TradeTypeCompare : IEqualityComparer<JToken>
+    {
+        public bool Equals(JToken x, JToken y)
+        {
+            return x.Value<string>("tradeType").Equals(y.Value<string>("tradeType"));
+        }
+
+        public int GetHashCode(JToken obj)
+        {
+            return obj.GetHashCode();
+        }
+    }
 }
diff --git a/BBWY.Server.Model/Dto/Response/PurchaseOrder/OnlinePurchase/OrderTradeTypeResponse.cs b/BBWY.Server.Model/Dto/Response/PurchaseOrder/OnlinePurchase/OrderTradeTypeResponse.cs
new file mode 100644
index 00000000..1ad9b62b
--- /dev/null
+++ b/BBWY.Server.Model/Dto/Response/PurchaseOrder/OnlinePurchase/OrderTradeTypeResponse.cs
@@ -0,0 +1,9 @@
+namespace BBWY.Server.Model.Dto
+{
+    public class OrderTradeTypeResponse
+    {
+        public string Code { get; set; }
+
+        public string Name { get; set; }
+    }
+}
diff --git a/BBWY.Server.Model/Dto/Response/PurchaseOrder/OnlinePurchase/PreviewOrderResponse.cs b/BBWY.Server.Model/Dto/Response/PurchaseOrder/OnlinePurchase/PreviewOrderResponse.cs
index 5fff9c2a..e69eeead 100644
--- a/BBWY.Server.Model/Dto/Response/PurchaseOrder/OnlinePurchase/PreviewOrderResponse.cs
+++ b/BBWY.Server.Model/Dto/Response/PurchaseOrder/OnlinePurchase/PreviewOrderResponse.cs
@@ -16,5 +16,10 @@
         /// 运费
         /// </summary>
         public decimal FreightAmount { get; set; }
+
+        /// <summary>
+        /// 支持的交易方式
+        /// </summary>
+        public OrderTradeTypeResponse OrderTradeType { get; set; }
     }
 }