diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.cs
index 6265e1f6..72cd0c52 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.cs
@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 
 namespace SKIT.FlurlHttpClient.Wechat.Work.Models
 {
@@ -188,6 +188,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Work.Models
         [System.Text.Json.Serialization.JsonPropertyName("sender")]
         public string? SenderUserId { get; set; }
 
+        /// <summary>
+        /// 获取或设置是否允许成员在待发送客户列表中重新进行选择。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("allow_select")]
+        [System.Text.Json.Serialization.JsonPropertyName("allow_select")]
+        public bool? AllowSelect { get; set; }
+
         /// <summary>
         /// 获取或设置文本消息信息。
         /// </summary>
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.json
index df4f0595..ac19b5d3 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.json
@@ -1,10 +1,11 @@
-{
+{
     "chat_type": "single",
     "external_userid": [
         "woAJ2GCAAAXtWyujaWJHDDGi0mACAAAA",
         "wmqfasd1e1927831123109rBAAAA"
     ],
     "sender": "zhangsan",
+    "allow_select": true,
     "text": {
         "content": "文本消息内容"
     },