diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs
index 4495a758..d7dc23e4 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs
@@ -2972,6 +2972,29 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
 
             return await client.SendFlurlRequestAsJsonAsync<Models.ChannelsECLeagueHeadSupplierSecondHeadSupplierItemAddResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
         }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /channels/ec/league/headsupplier/secondheadsupplieritem/update 接口。</para>
+        /// <para>
+        /// REF: <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/doc/store/leagueheadsupplier/api/opentalent/getshop/api_update_secondheadsupplier_item.html ]]>
+        /// </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateResponse> ExecuteChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateAsync(this WechatApiClient client, Models.ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest 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", "league", "headsupplier", "secondheadsupplieritem", "update")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendFlurlRequestAsJsonAsync<Models.ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
+        }
         #endregion
 
         #region ECLeague/HeadSupplier/SelectionProduct
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest.cs
new file mode 100644
index 00000000..939449f0
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest.cs
@@ -0,0 +1,50 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /channels/ec/league/headsupplier/secondheadsupplieritem/update 接口的请求。</para>
+    /// </summary>
+    public class ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest : WechatApiRequest, IInferable<ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest, ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateResponse>
+    {
+        /// <summary>
+        /// 获取或设置机构合作计划 ID。与字段 <see cref="HeadSupplierItemLink"/> 二选一。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("cooperative_item_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("cooperative_item_id")]
+        public long? CooperativeItemId { get; set; }
+
+        /// <summary>
+        /// 获取或设置机构推广商品链接。与字段 <see cref="CooperativeItemId"/> 二选一。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("head_supplier_item_link")]
+        [System.Text.Json.Serialization.JsonPropertyName("head_supplier_item_link")]
+        public string? HeadSupplierItemLink { get; set; }
+
+        /// <summary>
+        /// 获取或设置计划类型。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("plan_type")]
+        [System.Text.Json.Serialization.JsonPropertyName("plan_type")]
+        public int PlanType { get; set; }
+
+        /// <summary>
+        /// 获取或设置更新类型。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("update_type")]
+        [System.Text.Json.Serialization.JsonPropertyName("update_type")]
+        public int UpdateType { get; set; }
+
+        /// <summary>
+        /// 获取或设置商品帮卖服务费率（单位：万分数）。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("service_ratio")]
+        [System.Text.Json.Serialization.JsonPropertyName("service_ratio")]
+        public int? ServiceRatio { get; set; }
+
+        /// <summary>
+        /// 获取或设置定向的机构 AppId。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("to_head_supplier_appid")]
+        [System.Text.Json.Serialization.JsonPropertyName("to_head_supplier_appid")]
+        public string? ToHeadSupplierAppId { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateResponse.cs
new file mode 100644
index 00000000..574e379b
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /channels/ec/league/headsupplier/secondheadsupplieritem/update 接口的响应。</para>
+    /// </summary>
+    public class ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateResponse : WechatApiResponse
+    {
+    }
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest.json
new file mode 100644
index 00000000..73211f43
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECLeague/HeadSupplier/SecondHeadSupplierItem/ChannelsECLeagueHeadSupplierSecondHeadSupplierItemUpdateRequest.json
@@ -0,0 +1,8 @@
+{
+    "plan_type": 1,
+    "update_type": 1,
+    "cooperative_item_id": 121323,
+    "head_supplier_item_link": "wxstore/xxxxx",
+    "service_ratio": 0,
+    "to_head_supplier_appid": "wxadddfff"
+}