diff --git a/BBWYB.Server.API/Middlewares/CustomExceptionMiddleWare.cs b/BBWYB.Server.API/Middlewares/CustomExceptionMiddleWare.cs
index 9aacf9d..80cf2a3 100644
--- a/BBWYB.Server.API/Middlewares/CustomExceptionMiddleWare.cs
+++ b/BBWYB.Server.API/Middlewares/CustomExceptionMiddleWare.cs
@@ -25,6 +25,7 @@ namespace BBWYB.Server.API.Middlewares
         {
             _next = next;
             //this.logger = logger;
+            this.nLogManager = nLogManager;
             _exceptionStatusCodeDic = new Dictionary<int, string>
             {
                 { 401, "未授权的请求" },
diff --git a/SDKAdapter/PurchasePlatform/Client/Impl/PP_1688Client.cs b/SDKAdapter/PurchasePlatform/Client/Impl/PP_1688Client.cs
index 5349335..d55421d 100644
--- a/SDKAdapter/PurchasePlatform/Client/Impl/PP_1688Client.cs
+++ b/SDKAdapter/PurchasePlatform/Client/Impl/PP_1688Client.cs
@@ -1,4 +1,5 @@
 using BBWYB.Common.Http;
+using BBWYB.Common.Models;
 using com.alibaba.openapi.client;
 using com.alibaba.openapi.client.entity;
 using com.alibaba.openapi.client.policy;
@@ -74,10 +75,12 @@ namespace SDKAdapter.PurchasePlatform.Client
             {
                 result = client.NewRequest(_request, reqPolicy);
                 if (result.Value<bool>("success") != true)
-                    throw new Exception(result.Value<string>("errorMsg"));
+                    throw new BusinessException(result.Value<string>("errorMsg"));
             }
             catch (Exception ex)
             {
+                if (ex.Message.Contains("通道") && ex.Message.Contains("不能使用"))
+                    throw new BusinessException(ex.Message);
                 throw;
             }
 
@@ -87,10 +90,10 @@ namespace SDKAdapter.PurchasePlatform.Client
             foreach (var orderPreviewJToken in orderPreviewResuslt)
             {
                 if (orderPreviewJToken["tradeModelList"] == null)
-                    throw new Exception("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]");
+                    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 Exception("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]");
+                    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);
@@ -99,7 +102,7 @@ namespace SDKAdapter.PurchasePlatform.Client
             }
 
             if (intersectTradeModeList.Count() == 0)
-                throw new Exception("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]");
+                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 PP_PreviewOrderResponse()
             {
                 FreightAmount = orderPreviewResuslt.Sum(jt => jt.Value<decimal>("sumCarriage")) / 100M,
@@ -164,7 +167,7 @@ namespace SDKAdapter.PurchasePlatform.Client
             var result = client.NewRequest(_request, reqPolicy);
             if (result.Value<bool>("success") != true)
             {
-                throw new Exception(result.ToString());
+                throw new BusinessException(result.ToString());
             }
 
             var totalSuccessAmount = result["result"].Value<long>("totalSuccessAmount") / 100M; //采购单总金额，单位分