diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteCgibinExpressExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteCgibinExpressExtensions.cs
index 640db4e1..f6b18de5 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteCgibinExpressExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteCgibinExpressExtensions.cs
@@ -755,6 +755,46 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
 
             return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryReturnOpenReturnResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
         }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /cgi-bin/express/delivery/open_msg/open_query_plugin 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/api/Business/express/open_query_plugin.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse> ExecuteCgibinExpressDeliveryOpenMessageOpenQueryPluginAsync(this WechatApiClient client, Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginRequest 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
+                .CreateRequest(request, HttpMethod.Post, "cgi-bin", "express", "delivery", "open_msg", "open_query_plugin")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /cgi-bin/express/delivery/open_msg/open_openmsg 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/api/Business/express/open_openmsg.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinExpressDeliveryOpenMessageOpenOpenMessageResponse> ExecuteCgibinExpressDeliveryOpenMessageOpenOpenMessageAsync(this WechatApiClient client, Models.CgibinExpressDeliveryOpenMessageOpenOpenMessageRequest 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
+                .CreateRequest(request, HttpMethod.Post, "cgi-bin", "express", "delivery", "open_msg", "open_openmsg")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryOpenMessageOpenOpenMessageResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
         #endregion
     }
 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenOpenMessageRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenOpenMessageRequest.cs
new file mode 100644
index 00000000..898cdc5f
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenOpenMessageRequest.cs
@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/open_msg/open_openmsg 接口的请求。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryOpenMessageOpenOpenMessageRequest : WechatApiRequest, IInferable<CgibinExpressDeliveryOpenMessageOpenOpenMessageRequest, CgibinExpressDeliveryOpenMessageOpenOpenMessageResponse>
+    {
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenOpenMessageResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenOpenMessageResponse.cs
new file mode 100644
index 00000000..3bbcf765
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenOpenMessageResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/open_msg/open_openmsg 接口的响应。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryOpenMessageOpenOpenMessageResponse : WechatApiResponse
+    {
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenQueryPluginRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenQueryPluginRequest.cs
new file mode 100644
index 00000000..bb978ee5
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenQueryPluginRequest.cs
@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/open_msg/open_query_plugin 接口的请求。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryOpenMessageOpenQueryPluginRequest : WechatApiRequest, IInferable<CgibinExpressDeliveryOpenMessageOpenQueryPluginRequest, CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse>
+    {
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse.cs
new file mode 100644
index 00000000..307a9d1d
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/OpenMessage/CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/open_msg/open_query_plugin 接口的响应。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse : WechatApiResponse
+    {
+    }
+}