diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs
index 8b5419a3..7f91cc2a 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs
@@ -10,6 +10,29 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
     public static class WechatApiClientExecuteChannelsExtensions
     {
         #region ECAftersale
+        /// <summary>
+        /// <para>异步调用 [POST] /channels/ec/aftersale/genaftersaleorder 接口。</para>
+        /// <para>
+        /// REF: <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/doc/store/shop/API/aftersale/genaftersaleorder.html ]]>
+        /// </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.ChannelsECAftersaleGenerateAftersaleOrderResponse> ExecuteChannelsECAftersaleGenerateAftersaleOrderAsync(this WechatApiClient client, Models.ChannelsECAftersaleGenerateAftersaleOrderRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateFlurlRequest(request, HttpMethod.Post, "channels", "ec", "aftersale", "genaftersaleorder")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendFlurlRequestAsJsonAsync<Models.ChannelsECAftersaleGenerateAftersaleOrderResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
+        }
+
         /// <summary>
         /// <para>异步调用 [POST] /channels/ec/aftersale/getaftersalelist 接口。</para>
         /// <para>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderRequest.cs
new file mode 100644
index 00000000..c231aa87
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderRequest.cs
@@ -0,0 +1,82 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /channels/ec/aftersale/genaftersaleorder 接口的请求。</para>
+    /// </summary>
+    public class ChannelsECAftersaleGenerateAftersaleOrderRequest : WechatApiRequest, IInferable<ChannelsECAftersaleGenerateAftersaleOrderRequest, ChannelsECAftersaleGenerateAftersaleOrderResponse>
+    {
+        /// <summary>
+        /// 获取或设置请求唯一 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("request_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("request_id")]
+        public string RequestId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置订单 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("order_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("order_id")]
+        public string OrderId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置商品 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("product_id")]
+        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.Common.TextualNumberConverter))]
+        [System.Text.Json.Serialization.JsonPropertyName("product_id")]
+        [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString | System.Text.Json.Serialization.JsonNumberHandling.WriteAsString)]
+        public long ProductId { get; set; }
+
+        /// <summary>
+        /// 获取或设置 SKU ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("sku_id")]
+        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.Common.TextualNumberConverter))]
+        [System.Text.Json.Serialization.JsonPropertyName("sku_id")]
+        [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString | System.Text.Json.Serialization.JsonNumberHandling.WriteAsString)]
+        public long SKUId { get; set; }
+
+        /// <summary>
+        /// 获取或设置发起售后数量。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("count")]
+        [System.Text.Json.Serialization.JsonPropertyName("count")]
+        public int Count { get; set; }
+
+        /// <summary>
+        /// 获取或设置售后退款金额（单位：分）。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("amount")]
+        [System.Text.Json.Serialization.JsonPropertyName("amount")]
+        public int Amount { get; set; }
+
+        /// <summary>
+        /// 获取或设置售后原因。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("reason")]
+        [System.Text.Json.Serialization.JsonPropertyName("reason")]
+        public string Reason { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置售后类型。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("type")]
+        [System.Text.Json.Serialization.JsonPropertyName("type")]
+        public string Type { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置退货地址 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("address_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("address_id")]
+        public long? AddressId { get; set; }
+
+        /// <summary>
+        /// 获取或设置补充说明。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("desc")]
+        [System.Text.Json.Serialization.JsonPropertyName("desc")]
+        public string? Description { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderResponse.cs
new file mode 100644
index 00000000..6d995237
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderResponse.cs
@@ -0,0 +1,16 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /channels/ec/aftersale/genaftersaleorder 接口的响应。</para>
+    /// </summary>
+    public class ChannelsECAftersaleGenerateAftersaleOrderResponse : WechatApiResponse
+    {
+        /// <summary>
+        /// 获取或设置售后单 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("after_sale_order_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("after_sale_order_id")]
+        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.Common.NumericalStringReadOnlyConverter))]
+        public string AftersaleOrderId { get; set; } = default!;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderResponse.cs
index 2fb637fa..2650affa 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECAftersale/ChannelsECAftersaleGetAftersaleOrderResponse.cs
@@ -360,7 +360,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 public string? UnionId { get; set; }
 
                 /// <summary>
-                /// 获取或设置退款原因。
+                /// 获取或设置售后原因。
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("reason")]
                 [System.Text.Json.Serialization.JsonPropertyName("reason")]
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderRequest.json
new file mode 100644
index 00000000..240fa4a3
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderRequest.json
@@ -0,0 +1,10 @@
+{
+    "request_id": "111222",
+    "order_id": "37123432487943243",
+    "product_id": "2346783",
+    "sku_id": "23643824",
+    "count": 1,
+    "amount": 100,
+    "reason": "双方协商一致退款",
+    "type": "REFUND"
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderResponse.json
new file mode 100644
index 00000000..792d1341
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECAftersale/ChannelsECAftersaleGenerateAftersaleOrderResponse.json
@@ -0,0 +1,5 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "after_sale_order_id": "2082648273412"
+}