diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Extensions/WechatWorkClientExecuteCgibinExmailExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Extensions/WechatWorkClientExecuteCgibinExmailExtensions.cs
index 97dd56dd..9df67928 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/Extensions/WechatWorkClientExecuteCgibinExmailExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Extensions/WechatWorkClientExecuteCgibinExmailExtensions.cs
@@ -71,6 +71,46 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
             return await client.SendRequestWithJsonAsync<Models.CgibinExmailAppReadMailResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
         }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /cgi-bin/exmail/app/update_email_alias 接口。</para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/97503 </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinExmailAppUpdateEmailAliasResponse> ExecuteCgibinExmailAppUpdateEmailAliasAsync(this WechatWorkClient client, Models.CgibinExmailAppUpdateEmailAliasRequest 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", "exmail", "app", "update_email_alias")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinExmailAppUpdateEmailAliasResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /cgi-bin/exmail/app/get_email_alias 接口。</para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/97992 </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinExmailAppGetEmailAliasResponse> ExecuteCgibinExmailAppGetEmailAliasAsync(this WechatWorkClient client, Models.CgibinExmailAppGetEmailAliasRequest 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", "exmail", "app", "get_email_alias")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinExmailAppGetEmailAliasResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
         #endregion
 
         #region Group
@@ -96,7 +136,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/exmail/group/update 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95510 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/97995 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -116,7 +156,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/exmail/group/delete 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95510 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/97996 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -136,7 +176,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [GET] /cgi-bin/exmail/group/search 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95510 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/97998 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -160,7 +200,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [GET] /cgi-bin/exmail/group/get 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95510 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/97997 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -203,7 +243,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/exmail/publicmail/update 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95511 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/98000 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -223,7 +263,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/exmail/publicmail/delete 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95511 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/98001 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -243,7 +283,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [GET] /cgi-bin/exmail/publicmail/search 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95510 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/98003 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -267,7 +307,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/exmail/publicmail/get 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95510 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/98002 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
@@ -331,7 +371,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work
 
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/exmail/useroption/update 接口。</para>
-        /// <para>REF: https://developer.work.weixin.qq.com/document/path/95513 </para>
+        /// <para>REF: https://developer.work.weixin.qq.com/document/path/98008 </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasRequest.cs
new file mode 100644
index 00000000..893d4c81
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasRequest.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/exmail/app/get_email_alias 接口的请求。</para>
+    /// </summary>
+    public class CgibinExmailAppGetEmailAliasRequest : WechatWorkRequest
+    {
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasResponse.cs
new file mode 100644
index 00000000..688e7770
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasResponse.cs
@@ -0,0 +1,22 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/exmail/app/get_email_alias 接口的响应。</para>
+    /// </summary>
+    public class CgibinExmailAppGetEmailAliasResponse : WechatWorkResponse
+    {
+        /// <summary>
+        /// 获取或设置应用邮箱帐号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("email")]
+        [System.Text.Json.Serialization.JsonPropertyName("email")]
+        public string Email { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置别名邮箱地址列表。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("alias_list")]
+        [System.Text.Json.Serialization.JsonPropertyName("alias_list")]
+        public string[] AliasList { get; set; } = default!;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasRequest.cs
new file mode 100644
index 00000000..28c8a074
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasRequest.cs
@@ -0,0 +1,15 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/exmail/app/update_email_alias 接口的请求。</para>
+    /// </summary>
+    public class CgibinExmailAppUpdateEmailAliasRequest : WechatWorkRequest
+    {
+        /// <summary>
+        /// 获取或设置新的应用邮箱帐号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("new_email")]
+        [System.Text.Json.Serialization.JsonPropertyName("new_email")]
+        public string NewEmail { get; set; } = string.Empty;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasResponse.cs
new file mode 100644
index 00000000..13a90e02
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Work.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/exmail/app/update_email_alias 接口的响应。</para>
+    /// </summary>
+    public class CgibinExmailAppUpdateEmailAliasResponse : WechatWorkResponse
+    {
+    }
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasResponse.json
new file mode 100644
index 00000000..cf29e82f
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/EmailAlias/CgibinExmailAppGetEmailAliasResponse.json
@@ -0,0 +1,6 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "email": "youxiangceshi@ceshi.wecom.work",
+    "alias_list": ["youxiang1@ceshi.wecom.work", "youxiang2@ceshi.wecom.work"]
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasRequest.json
new file mode 100644
index 00000000..8ecc7d23
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/EmailAlias/CgibinExmailAppUpdateEmailAliasRequest.json
@@ -0,0 +1,3 @@
+{
+    "new_email": "youxiangceshi@ceshi.wecom.work"
+}