diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteShopExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteShopExtensions.cs
index 5b745236..a6efeba4 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteShopExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteShopExtensions.cs
@@ -673,6 +673,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <summary>
         /// <para>异步调用 [POST] /shop/aftersale/add 接口。</para>
         /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/framework/ministore/minishopopencomponent2/API/aftersale/add.html </para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent2/API/aftersale/add.html </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -693,6 +694,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <summary>
         /// <para>异步调用 [POST] /shop/aftersale/update 接口。</para>
         /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/framework/ministore/minishopopencomponent2/API/aftersale/update.html </para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent2/API/aftersale/update.html </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -713,6 +715,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <summary>
         /// <para>异步调用 [POST] /shop/aftersale/get 接口。</para>
         /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/framework/ministore/minishopopencomponent2/API/aftersale/get.html </para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent2/API/aftersale/get.html </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Aftersale/ShopAftersaleAddRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Aftersale/ShopAftersaleAddRequest.cs
index 927d206c..a6b19f82 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Aftersale/ShopAftersaleAddRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Aftersale/ShopAftersaleAddRequest.cs
@@ -77,6 +77,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         [System.Text.Json.Serialization.JsonPropertyName("status")]
         public int Status { get; set; }
 
+        /// <summary>
+        /// 获取或设置退款金额（单位：分）。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("refund")]
+        [System.Text.Json.Serialization.JsonPropertyName("refund")]
+        public int RefundFee { get; set; }
+
         /// <summary>
         /// 获取或设置发起申请时间。
         /// </summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Aftersale/ShopAftersaleGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Aftersale/ShopAftersaleGetResponse.cs
index 408b3f78..d70a7d58 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Aftersale/ShopAftersaleGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Aftersale/ShopAftersaleGetResponse.cs
@@ -88,6 +88,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 [System.Text.Json.Serialization.JsonPropertyName("status")]
                 public int Status { get; set; }
 
+                /// <summary>
+                /// 获取或设置退款金额（单位：分）。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("refund")]
+                [System.Text.Json.Serialization.JsonPropertyName("refund")]
+                public int RefundFee { get; set; }
+
                 /// <summary>
                 /// 获取或设置发起申请时间。
                 /// </summary>
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Aftersale/ShopAftersaleAddRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Aftersale/ShopAftersaleAddRequest.json
index 91ebd5a7..a5b2f549 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Aftersale/ShopAftersaleAddRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Aftersale/ShopAftersaleAddRequest.json
@@ -1,12 +1,13 @@
 {
     "out_order_id": "xxxxx",
-    "out_aftersale_id": "xxxxxx", 
+    "out_aftersale_id": "xxxxxx",
     "openid": "oTVP50O53a7jgmawAmxKukNlq3XI",
     "type": 1,
     "create_time": "2020-12-01 00:00:00",
     "status": 1,
     "finish_all_aftersale": 0,
     "path": "/pages/aftersale.html?out_aftersale_id=xxxxx",
+    "refund": 100,
     "product_infos": [
         {
             "out_product_id": "234245",