diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Events/CustomerAcquisition/CustomerAcquisitionEvent.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Events/CustomerAcquisition/CustomerAcquisitionEvent.cs
new file mode 100644
index 00000000..f2cfd9f9
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Events/CustomerAcquisition/CustomerAcquisitionEvent.cs
@@ -0,0 +1,45 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Events
+{
+    /// <summary>
+    /// <para>表示 EVENT.customer_acquisition 事件的数据。</para>
+    /// <para>REF: https://developer.work.weixin.qq.com/document/path/97299 </para>
+    /// </summary>
+    public class CustomerAcquisitionEvent : WechatWorkEvent, WechatWorkEvent.Serialization.IXmlSerializable
+    {
+        /// <summary>
+        /// 获取或设置变更类型。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("ChangeType")]
+        public string ChangeType { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置获客链接 ID。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("LinkId", IsNullable = true)]
+        public string? LinkId { get; set; }
+
+        /// <summary>
+        /// 获取或设置企业服务人员的成员账号。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("UserID", IsNullable = true)]
+        public string? UserId { get; set; }
+
+        /// <summary>
+        /// 获取或设置外部联系人 ID。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("ExternalUserID", IsNullable = true)]
+        public string? ExternalUserId { get; set; }
+
+        /// <summary>
+        /// 获取或设置过期时间戳戳。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("ExpireTime", IsNullable = true)]
+        public long? ExpireTimestamp { get; set; }
+
+        /// <summary>
+        /// 获取或设置过期获客额度数。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("ExpireQuotaNum", IsNullable = true)]
+        public int? ExpireQuota { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Events/Service/CancelSpecialAuthEvent.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Events/Service/CancelSpecialAuthEvent.cs
new file mode 100644
index 00000000..b40c918e
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Events/Service/CancelSpecialAuthEvent.cs
@@ -0,0 +1,27 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Events
+{
+    /// <summary>
+    /// <para>表示 INFO.cancel_special_auth 事件的数据。</para>
+    /// <para>REF: https://developer.work.weixin.qq.com/document/path/98959 </para>
+    /// </summary>
+    public class CancelSpecialAuthEvent : WechatWorkEvent, WechatWorkEvent.Serialization.IXmlSerializable
+    {
+        /// <summary>
+        /// 获取或设置第三方应用的 SuiteId。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("SuiteId")]
+        public string SuiteId { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置授权方的 CorpId。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("AuthCorpId")]
+        public string AuthorizerCorpId { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置权限类型。
+        /// </summary>
+        [System.Xml.Serialization.XmlElement("AuthType")]
+        public string AuthType { get; set; } = default!;
+    }
+}
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 72cd0c52..97aaf128 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExternalContact/GroupMessage/CgibinExternalContactAddMessageTemplateRequest.cs
@@ -9,6 +9,29 @@ namespace SKIT.FlurlHttpClient.Wechat.Work.Models
     {
         public static class Types
         {
+            public class TagFilter
+            {
+                public static class Types
+                {
+                    public class TagFilterGroup
+                    {
+                        /// <summary>
+                        /// 获取或设置标签列表。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("tag_list")]
+                        [System.Text.Json.Serialization.JsonPropertyName("tag_list")]
+                        public IList<string>? TagList { get; set; }
+                    }
+                }
+
+                /// <summary>
+                /// 获取或设置标签筛选分组列表。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("group_list")]
+                [System.Text.Json.Serialization.JsonPropertyName("group_list")]
+                public IList<Types.TagFilterGroup>? GroupList { get; set; }
+            }
+
             public class Text
             {
                 /// <summary>
@@ -181,6 +204,20 @@ namespace SKIT.FlurlHttpClient.Wechat.Work.Models
         [System.Text.Json.Serialization.JsonPropertyName("external_userid")]
         public IList<string>? ExternalUserIdList { get; set; }
 
+        /// <summary>
+        /// 获取或设置客户群 ID 列表。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("chat_id_list")]
+        [System.Text.Json.Serialization.JsonPropertyName("chat_id_list")]
+        public IList<string>? GroupChatIdList { get; set; }
+
+        /// <summary>
+        /// 获取或设置标签筛选条件。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("tag_filter")]
+        [System.Text.Json.Serialization.JsonPropertyName("tag_filter")]
+        public Types.TagFilter? TagFilter { get; set; }
+
         /// <summary>
         /// 获取或设置发送者成员账号。
         /// </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 ac19b5d3..88433816 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
@@ -4,6 +4,17 @@
         "woAJ2GCAAAXtWyujaWJHDDGi0mACAAAA",
         "wmqfasd1e1927831123109rBAAAA"
     ],
+    "chat_id_list": [ "wr2GCAAAXtWyujaWJHDDGasdadAAA" ],
+    "tag_filter": {
+        "group_list": [
+            {
+                "tag_list": [ "ete19278asuMT123109rBAAAA", "ete19MT12278109UYteaBAAAA" ]
+            },
+            {
+                "tag_list": [ "eteIlKKHSDfuMT18Kg9rBAAAA" ]
+            }
+        ]
+    },
     "sender": "zhangsan",
     "allow_select": true,
     "text": {