diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Extensions/WechatTenpayClientExecutePayMarketingTransfersRedPackExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Extensions/WechatTenpayClientExecutePayMarketingTransfersRedPackExtensions.cs
index 848635f8..5e2bdd34 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Extensions/WechatTenpayClientExecutePayMarketingTransfersRedPackExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Extensions/WechatTenpayClientExecutePayMarketingTransfersRedPackExtensions.cs
@@ -45,6 +45,7 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV2
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2024-06-05 下线。")]
         public static async Task<Models.SendPayMarketingTransfersGroupRedPackResponse> ExecuteSendPayMarketingTransfersGroupRedPackAsync(this WechatTenpayClient client, Models.SendPayMarketingTransfersGroupRedPackRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Models/PayMarketingTransfersRedPack/SendPayMarketingTransfersGroupRedPackRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Models/PayMarketingTransfersRedPack/SendPayMarketingTransfersGroupRedPackRequest.cs
index 61125652..aeb2ad31 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Models/PayMarketingTransfersRedPack/SendPayMarketingTransfersGroupRedPackRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Models/PayMarketingTransfersRedPack/SendPayMarketingTransfersGroupRedPackRequest.cs
@@ -1,8 +1,11 @@
+using System;
+
 namespace SKIT.FlurlHttpClient.Wechat.TenpayV2.Models
 {
     /// <summary>
     /// <para>表示 [POST] /mmpaymkttransfers/sendgroupredpack 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2024-06-05 下线。")]
     public class SendPayMarketingTransfersGroupRedPackRequest : WechatTenpaySignableRequest
     {
         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Models/PayMarketingTransfersRedPack/SendPayMarketingTransfersGroupRedPackResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Models/PayMarketingTransfersRedPack/SendPayMarketingTransfersGroupRedPackResponse.cs
index ce75e328..c5227036 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Models/PayMarketingTransfersRedPack/SendPayMarketingTransfersGroupRedPackResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Models/PayMarketingTransfersRedPack/SendPayMarketingTransfersGroupRedPackResponse.cs
@@ -1,8 +1,11 @@
+using System;
+
 namespace SKIT.FlurlHttpClient.Wechat.TenpayV2.Models
 {
     /// <summary>
     /// <para>表示 [POST] /mmpaymkttransfers/sendgroupredpack 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2024-06-05 下线。")]
     public class SendPayMarketingTransfersGroupRedPackResponse : WechatTenpaySignableResponse
     {
         /// <summary>