diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteMerchantExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteMerchantExtensions.cs
index b0bf7a17..ec8312bd 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteMerchantExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteMerchantExtensions.cs
@@ -19,6 +19,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantCreateResponse> ExecuteMerchantCreateAsync(this WechatApiClient client, Models.MerchantCreateRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -39,6 +40,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantDeleteResponse> ExecuteMerchantDeleteAsync(this WechatApiClient client, Models.MerchantDeleteRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -59,6 +61,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantUpdateResponse> ExecuteMerchantUpdateAsync(this WechatApiClient client, Models.MerchantUpdateRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -79,6 +82,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantGetResponse> ExecuteMerchantGetAsync(this WechatApiClient client, Models.MerchantGetRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -100,6 +104,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantGetByStatusResponse> ExecuteMerchantGetByStatusAsync(this WechatApiClient client, Models.MerchantGetByStatusRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -120,6 +125,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantModifyProductStatusResponse> ExecuteMerchantModifyProductStatusAsync(this WechatApiClient client, Models.MerchantModifyProductStatusRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -142,6 +148,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantCategoryGetSubResponse> ExecuteMerchantCategoryGetSubAsync(this WechatApiClient client, Models.MerchantCategoryGetSubRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -162,6 +169,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantCategoryGetSKUResponse> ExecuteMerchantCategoryGetSKUAsync(this WechatApiClient client, Models.MerchantCategoryGetSKURequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -182,6 +190,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantCategoryGetPropertyResponse> ExecuteMerchantCategoryGetPropertyAsync(this WechatApiClient client, Models.MerchantCategoryGetPropertyRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -204,6 +213,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantStockAddResponse> ExecuteMerchantStockAddAsync(this WechatApiClient client, Models.MerchantStockAddRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -224,6 +234,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantStockReduceResponse> ExecuteMerchantStockReduceAsync(this WechatApiClient client, Models.MerchantStockReduceRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -246,6 +257,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantExpressAddResponse> ExecuteMerchantExpressAddAsync(this WechatApiClient client, Models.MerchantExpressAddRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -266,6 +278,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantExpressDeleteResponse> ExecuteMerchantExpressDeleteAsync(this WechatApiClient client, Models.MerchantExpressDeleteRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -286,6 +299,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantExpressUpdateResponse> ExecuteMerchantExpressUpdateAsync(this WechatApiClient client, Models.MerchantExpressUpdateRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -306,6 +320,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantExpressGetByIdResponse> ExecuteMerchantExpressGetByIdAsync(this WechatApiClient client, Models.MerchantExpressGetByIdRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -326,6 +341,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantExpressGetAllResponse> ExecuteMerchantExpressGetAllAsync(this WechatApiClient client, Models.MerchantExpressGetAllRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -348,6 +364,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantGroupAddResponse> ExecuteMerchantGroupAddAsync(this WechatApiClient client, Models.MerchantGroupAddRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -368,6 +385,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantGroupDeleteResponse> ExecuteMerchantGroupDeleteAsync(this WechatApiClient client, Models.MerchantGroupDeleteRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -388,6 +406,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantGroupPropertyModifyResponse> ExecuteMerchantGroupPropertyModifyAsync(this WechatApiClient client, Models.MerchantGroupPropertyModifyRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -408,6 +427,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantGroupProductModifyResponse> ExecuteMerchantGroupProductModifyAsync(this WechatApiClient client, Models.MerchantGroupProductModifyRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -428,6 +448,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantGroupGetByIdResponse> ExecuteMerchantGroupGetByIdAsync(this WechatApiClient client, Models.MerchantGroupGetByIdRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -448,6 +469,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantGroupGetAllResponse> ExecuteMerchantGroupGetAllAsync(this WechatApiClient client, Models.MerchantGroupGetAllRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -470,6 +492,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantShelfAddResponse> ExecuteMerchantShelfAddAsync(this WechatApiClient client, Models.MerchantShelfAddRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -490,6 +513,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantShelfDeleteResponse> ExecuteMerchantShelfDeleteAsync(this WechatApiClient client, Models.MerchantShelfDeleteRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -510,6 +534,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantShelfModifyResponse> ExecuteMerchantShelfModifyAsync(this WechatApiClient client, Models.MerchantShelfModifyRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -530,6 +555,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantShelfGetByIdResponse> ExecuteMerchantShelfGetByIdAsync(this WechatApiClient client, Models.MerchantShelfGetByIdRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -550,6 +576,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantShelfGetAllResponse> ExecuteMerchantShelfGetAllAsync(this WechatApiClient client, Models.MerchantShelfGetAllRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -572,6 +599,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantOrderGetByIdResponse> ExecuteMerchantOrderGetByIdAsync(this WechatApiClient client, Models.MerchantOrderGetByIdRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -592,6 +620,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantOrderGetByFilterResponse> ExecuteMerchantOrderGetByFilterAsync(this WechatApiClient client, Models.MerchantOrderGetByFilterRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -612,6 +641,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantOrderSetDeliveryResponse> ExecuteMerchantOrderSetDeliveryAsync(this WechatApiClient client, Models.MerchantOrderSetDeliveryRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -632,6 +662,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantOrderCloseResponse> ExecuteMerchantOrderCloseAsync(this WechatApiClient client, Models.MerchantOrderCloseRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
@@ -654,6 +685,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2020-10-01 下线。")]
         public static async Task<Models.MerchantCommonUploadImageResponse> ExecuteMerchantCommonUploadImageAsync(this WechatApiClient client, Models.MerchantCommonUploadImageRequest request, CancellationToken cancellationToken = default)
         {
             if (request.FileName == null)
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetPropertyRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetPropertyRequest.cs
index 0311fae1..80e6a4aa 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetPropertyRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetPropertyRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/category/getproperty 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCategoryGetPropertyRequest : WechatApiRequest, IInferable<MerchantCategoryGetPropertyRequest, MerchantCategoryGetPropertyResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetPropertyResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetPropertyResponse.cs
index 084ed730..51fa92f0 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetPropertyResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetPropertyResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/category/getproperty 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCategoryGetPropertyResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSKURequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSKURequest.cs
index 9722e858..55b9dadf 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSKURequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSKURequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/category/getsku 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCategoryGetSKURequest : WechatApiRequest, IInferable<MerchantCategoryGetSKURequest, MerchantCategoryGetSKUResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSKUResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSKUResponse.cs
index 9cf5b3d7..65977914 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSKUResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSKUResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/category/getsku 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCategoryGetSKUResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSubRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSubRequest.cs
index deab6fc9..530de3d9 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSubRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSubRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/category/getsub 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCategoryGetSubRequest : WechatApiRequest, IInferable<MerchantCategoryGetSubRequest, MerchantCategoryGetSubResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSubResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSubResponse.cs
index 2dc8cff4..f01d5a9c 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSubResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Category/MerchantCategoryGetSubResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/category/getsub 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCategoryGetSubResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Common/MerchantCommonUploadImageRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Common/MerchantCommonUploadImageRequest.cs
index 9d93fee9..0f8f9f7b 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Common/MerchantCommonUploadImageRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Common/MerchantCommonUploadImageRequest.cs
@@ -5,6 +5,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
     /// <summary>
     /// <para>表示 [POST] /merchant/common/upload_img 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCommonUploadImageRequest : WechatApiRequest, IInferable<MerchantCommonUploadImageRequest, MerchantCommonUploadImageResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Common/MerchantCommonUploadImageResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Common/MerchantCommonUploadImageResponse.cs
index ccfddf9f..40950488 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Common/MerchantCommonUploadImageResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Common/MerchantCommonUploadImageResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/common/upload_img 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCommonUploadImageResponse : WechatApiResponse
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressAddRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressAddRequest.cs
index c479f949..77127bad 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressAddRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressAddRequest.cs
@@ -1,10 +1,12 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/express/add 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressAddRequest : WechatApiRequest, IInferable<MerchantExpressAddRequest, MerchantExpressAddResponse>
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressAddResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressAddResponse.cs
index 0d64f90e..957431d2 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressAddResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressAddResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/express/add 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressAddResponse : WechatApiResponse
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressDeleteRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressDeleteRequest.cs
index 0e15fb24..a1fb0d88 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressDeleteRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressDeleteRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/express/del 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressDeleteRequest : WechatApiRequest, IInferable<MerchantExpressDeleteRequest, MerchantExpressDeleteResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressDeleteResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressDeleteResponse.cs
index a737793f..1157da50 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressDeleteResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressDeleteResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/express/del 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressDeleteResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetAllRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetAllRequest.cs
index db2bb7ab..303c0129 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetAllRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetAllRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /merchant/express/getall 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressGetAllRequest : WechatApiRequest, IInferable<MerchantExpressGetAllRequest, MerchantExpressGetAllResponse>
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetAllResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetAllResponse.cs
index 42ec832f..6215054b 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetAllResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetAllResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /merchant/express/getall 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressGetAllResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetByIdRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetByIdRequest.cs
index 58f4b320..15763ae3 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetByIdRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetByIdRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/express/getbyid 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressGetByIdRequest : WechatApiRequest, IInferable<MerchantExpressGetByIdRequest, MerchantExpressGetByIdResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetByIdResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetByIdResponse.cs
index 13c50707..6d510500 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetByIdResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressGetByIdResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/express/getbyid 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressGetByIdResponse : WechatApiResponse
     {
         public static class Types
@@ -35,10 +38,12 @@
                         public CustomCharging[] CustomList { get; set; } = default!;
                     }
 
+                    [System.Obsolete]
                     public class NormalCharging : MerchantExpressAddRequest.Types.Template.Types.NormalCharging
                     {
                     }
 
+                    [System.Obsolete]
                     public class CustomCharging : MerchantExpressAddRequest.Types.Template.Types.CustomCharging
                     {
                     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressUpdateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressUpdateRequest.cs
index e075c1ba..a239cab2 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressUpdateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressUpdateRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/express/update 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressUpdateRequest : WechatApiRequest, IInferable<MerchantExpressUpdateRequest, MerchantExpressUpdateResponse>
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressUpdateResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressUpdateResponse.cs
index b1d3eecb..5e2ab728 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressUpdateResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Express/MerchantExpressUpdateResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/express/update 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantExpressUpdateResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupAddRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupAddRequest.cs
index a553b25d..f102ad90 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupAddRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupAddRequest.cs
@@ -1,10 +1,12 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/add 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupAddRequest : WechatApiRequest, IInferable<MerchantGroupAddRequest, MerchantGroupAddResponse>
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupAddResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupAddResponse.cs
index 6b825358..f40b00e8 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupAddResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupAddResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/add 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupAddResponse : WechatApiResponse
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupDeleteRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupDeleteRequest.cs
index 697c7717..1751d0c0 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupDeleteRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupDeleteRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/del 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupDeleteRequest : WechatApiRequest, IInferable<MerchantGroupDeleteRequest, MerchantGroupDeleteResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupDeleteResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupDeleteResponse.cs
index 6b6cdeb0..750322ec 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupDeleteResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupDeleteResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/del 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupDeleteResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetAllRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetAllRequest.cs
index 876ba200..34f57b8e 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetAllRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetAllRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /merchant/group/getall 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupGetAllRequest : WechatApiRequest, IInferable<MerchantGroupGetAllRequest, MerchantGroupGetAllResponse>
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetAllResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetAllResponse.cs
index 66c16c3a..72f48c10 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetAllResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetAllResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /merchant/group/getall 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupGetAllResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetByIdRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetByIdRequest.cs
index 5a3c9f7c..862d530e 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetByIdRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetByIdRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/getbyid 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupGetByIdRequest : WechatApiRequest, IInferable<MerchantGroupGetByIdRequest, MerchantGroupGetByIdResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetByIdResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetByIdResponse.cs
index 5dcf8cae..1706eb27 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetByIdResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupGetByIdResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/getbyid 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupGetByIdResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupProductModifyRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupProductModifyRequest.cs
index 082db098..6a8a9c22 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupProductModifyRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupProductModifyRequest.cs
@@ -1,10 +1,12 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/productmod 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupProductModifyRequest : WechatApiRequest, IInferable<MerchantGroupProductModifyRequest, MerchantGroupProductModifyResponse>
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupProductModifyResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupProductModifyResponse.cs
index 90c23510..66d37004 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupProductModifyResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupProductModifyResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/productmod 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupProductModifyResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupPropertyModifyRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupPropertyModifyRequest.cs
index 67b41885..b366ef25 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupPropertyModifyRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupPropertyModifyRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/propertymod 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupPropertyModifyRequest : WechatApiRequest, IInferable<MerchantGroupPropertyModifyRequest, MerchantGroupPropertyModifyResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupPropertyModifyResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupPropertyModifyResponse.cs
index f8a798ff..3436f990 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupPropertyModifyResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Group/MerchantGroupPropertyModifyResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/group/propertymod 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGroupPropertyModifyResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderCloseRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderCloseRequest.cs
index e005d62a..c3ae13bf 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderCloseRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderCloseRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/order/close 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantOrderCloseRequest : WechatApiRequest, IInferable<MerchantOrderCloseRequest, MerchantOrderCloseResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderCloseResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderCloseResponse.cs
index a4a40df6..d1591d46 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderCloseResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderCloseResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/order/close 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantOrderCloseResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByFilterRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByFilterRequest.cs
index ae6bcc2b..86a6b3bf 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByFilterRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByFilterRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/order/getbyfilter 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantOrderGetByFilterRequest : WechatApiRequest, IInferable<MerchantOrderGetByFilterRequest, MerchantOrderGetByFilterResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByFilterResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByFilterResponse.cs
index 7bf3269a..89f33f5b 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByFilterResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByFilterResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/order/getbyfilter 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantOrderGetByFilterResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByIdRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByIdRequest.cs
index f2d87c48..60bffa89 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByIdRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByIdRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/order/getbyid 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantOrderGetByIdRequest : WechatApiRequest, IInferable<MerchantOrderGetByIdRequest, MerchantOrderGetByIdResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByIdResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByIdResponse.cs
index d482c328..8bcc2d9d 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByIdResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderGetByIdResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/order/getbyid 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantOrderGetByIdResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderSetDeliveryRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderSetDeliveryRequest.cs
index f4dd717e..68f48e14 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderSetDeliveryRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderSetDeliveryRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/order/setdelivery 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantOrderSetDeliveryRequest : WechatApiRequest, IInferable<MerchantOrderSetDeliveryRequest, MerchantOrderSetDeliveryResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderSetDeliveryResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderSetDeliveryResponse.cs
index f00b2b78..7cc59aea 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderSetDeliveryResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Order/MerchantOrderSetDeliveryResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/order/setdelivery 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantOrderSetDeliveryResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantCreateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantCreateRequest.cs
index 91e5eded..23a66b46 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantCreateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantCreateRequest.cs
@@ -1,10 +1,12 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/create 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCreateRequest : WechatApiRequest, IInferable<MerchantCreateRequest, MerchantCreateResponse>
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantCreateResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantCreateResponse.cs
index a230f881..b7325ec4 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantCreateResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantCreateResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/create 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantCreateResponse : WechatApiResponse
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantDeleteRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantDeleteRequest.cs
index 7bc88dd0..2407e126 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantDeleteRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantDeleteRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/del 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantDeleteRequest : WechatApiRequest, IInferable<MerchantDeleteRequest, MerchantDeleteResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantDeleteResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantDeleteResponse.cs
index 07dbe74e..80be72bc 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantDeleteResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantDeleteResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/del 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantDeleteResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetByStatusRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetByStatusRequest.cs
index 42ed4473..1a6e861d 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetByStatusRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetByStatusRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/getbystatus 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGetByStatusRequest : WechatApiRequest, IInferable<MerchantGetByStatusRequest, MerchantGetByStatusResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetByStatusResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetByStatusResponse.cs
index 06c29dfa..37296907 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetByStatusResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetByStatusResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/getbystatus 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGetByStatusResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetRequest.cs
index 95c97b58..528b80c5 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /merchant/get 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGetRequest : WechatApiRequest, IInferable<MerchantGetRequest, MerchantGetResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetResponse.cs
index f91fb901..2ac842d1 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantGetResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /merchant/get 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantGetResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantModifyProductStatusRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantModifyProductStatusRequest.cs
index 98a8eec7..f944b83f 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantModifyProductStatusRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantModifyProductStatusRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/modproductstatus 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantModifyProductStatusRequest : WechatApiRequest, IInferable<MerchantModifyProductStatusRequest, MerchantModifyProductStatusResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantModifyProductStatusResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantModifyProductStatusResponse.cs
index 7278d648..0bb1931c 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantModifyProductStatusResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantModifyProductStatusResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/modproductstatus 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantModifyProductStatusResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantUpdateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantUpdateRequest.cs
index 7f9c58cd..21ac59fd 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantUpdateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantUpdateRequest.cs
@@ -1,26 +1,32 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/update 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantUpdateRequest : WechatApiRequest, IInferable<MerchantUpdateRequest, MerchantUpdateResponse>
     {
         public static class Types
         {
+            [System.Obsolete]
             public class Base : MerchantCreateRequest.Types.Base
             {
             }
 
+            [System.Obsolete]
             public class SKU : MerchantCreateRequest.Types.SKU
             {
             }
 
+            [System.Obsolete]
             public class AttributeExtra : MerchantCreateRequest.Types.AttributeExtra
             {
             }
 
+            [System.Obsolete]
             public class Delivery : MerchantCreateRequest.Types.Delivery
             {
             }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantUpdateResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantUpdateResponse.cs
index 120ea841..1e8a90e2 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantUpdateResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Product/MerchantUpdateResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/update 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantUpdateResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfAddRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfAddRequest.cs
index 6e3fb290..22545d8b 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfAddRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfAddRequest.cs
@@ -1,10 +1,12 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/shelf/add 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfAddRequest : WechatApiRequest, IInferable<MerchantShelfAddRequest, MerchantShelfAddResponse>
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfAddResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfAddResponse.cs
index a86ade00..5d0553b6 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfAddResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfAddResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/shelf/add 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfAddResponse : WechatApiResponse
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfDeleteRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfDeleteRequest.cs
index 181efecf..f9d22af0 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfDeleteRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfDeleteRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/shelf/del 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfDeleteRequest : WechatApiRequest, IInferable<MerchantShelfDeleteRequest, MerchantShelfDeleteResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfDeleteResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfDeleteResponse.cs
index fbabf54c..40299479 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfDeleteResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfDeleteResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/shelf/del 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfDeleteResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetAllRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetAllRequest.cs
index eb7a7fc0..0fef80d9 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetAllRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetAllRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /merchant/shelf/getall 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfGetAllRequest : WechatApiRequest, IInferable<MerchantShelfGetAllRequest, MerchantShelfGetAllResponse>
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetAllResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetAllResponse.cs
index e74780a5..79a58b77 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetAllResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetAllResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [GET] /merchant/shelf/getall 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfGetAllResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetByIdRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetByIdRequest.cs
index 689c37a7..b91c46a0 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetByIdRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetByIdRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/shelf/getbyid 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfGetByIdRequest : WechatApiRequest, IInferable<MerchantShelfGetByIdRequest, MerchantShelfGetByIdResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetByIdResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetByIdResponse.cs
index 819db246..e10433c0 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetByIdResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfGetByIdResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/shelf/getbyid 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfGetByIdResponse : WechatApiResponse
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfModifyRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfModifyRequest.cs
index 28c9a837..f83e83df 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfModifyRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfModifyRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/shelf/mod 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfModifyRequest : WechatApiRequest, IInferable<MerchantShelfModifyRequest, MerchantShelfModifyResponse>
     {
         public static class Types
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfModifyResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfModifyResponse.cs
index b494c788..7aba7ab2 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfModifyResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Shelf/MerchantShelfModifyResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/shelf/mod 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantShelfModifyResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockAddRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockAddRequest.cs
index b2a7637c..1b6323cb 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockAddRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockAddRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/stock/add 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantStockAddRequest : WechatApiRequest, IInferable<MerchantStockAddRequest, MerchantStockAddResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockAddResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockAddResponse.cs
index f28e358e..4c54df70 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockAddResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockAddResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/stock/add 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantStockAddResponse : WechatApiResponse
     {
     }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockReduceRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockReduceRequest.cs
index 68e5c268..a5dcc2c5 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockReduceRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockReduceRequest.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/stock/reduce 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantStockReduceRequest : WechatApiRequest, IInferable<MerchantStockReduceRequest, MerchantStockReduceResponse>
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockReduceResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockReduceResponse.cs
index 77d955a1..d80c42ac 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockReduceResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Merchant/Stock/MerchantStockReduceResponse.cs
@@ -1,8 +1,11 @@
-namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /merchant/stock/reduce 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2020-10-01 下线。")]
     public class MerchantStockReduceResponse : WechatApiResponse
     {
     }
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECWindow/ChannelsECWindowProductOffRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECWindow/ChannelsECWindowProductOffRequest.json
new file mode 100644
index 00000000..db74e46f
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECWindow/ChannelsECWindowProductOffRequest.json
@@ -0,0 +1,4 @@
+{
+    "product_id": "100234056",
+    "appid": "wxee9f94a3360ad25f"
+}