diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/CgibinExmailAppComposeSendRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/CgibinExmailAppComposeSendRequest.cs
index 411996c2..7ac93762 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/CgibinExmailAppComposeSendRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/Models/CgibinExmail/App/CgibinExmailAppComposeSendRequest.cs
@@ -291,5 +291,14 @@ namespace SKIT.FlurlHttpClient.Wechat.Work.Models
         [Newtonsoft.Json.JsonProperty("meeting")]
         [System.Text.Json.Serialization.JsonPropertyName("meeting")]
         public Types.Meeting? Meeting { get; set; }
+
+        /// <summary>
+        /// 获取或设置是否开启 ID 转译。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("enable_id_trans")]
+        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.NumericalNullableBooleanConverter))]
+        [System.Text.Json.Serialization.JsonPropertyName("enable_id_trans")]
+        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalNullableBooleanConverter))]
+        public bool? EnableIdTransform { get; set; }
     }
 }
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/CgibinExmailAppComposeSendRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/CgibinExmailAppComposeSendRequest.json
index 753de72b..dd2d82e9 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/CgibinExmailAppComposeSendRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExmail/App/CgibinExmailAppComposeSendRequest.json
@@ -1,14 +1,14 @@
-{
+{
     "to": {
-        "emails": ["word@bgjkcsqy.wecom.work", "jyan1@tiyantest.wang"],
-        "userids": ["william"]
+        "emails": [ "word@bgjkcsqy.wecom.work", "jyan1@tiyantest.wang" ],
+        "userids": [ "william" ]
     },
     "cc": {
         "emails": [],
-        "userids": ["panyy"]
+        "userids": [ "panyy" ]
     },
     "bcc": {
-        "emails": ["zoro@bgjkcsqy.wecom.work"],
+        "emails": [ "zoro@bgjkcsqy.wecom.work" ],
         "userids": []
     },
     "subject": "这是标题",
@@ -32,7 +32,7 @@
             "timezone": 8,
             "repeat_interval": 1,
             "repeat_type": 1,
-            "repeat_day_of_week": [4, 5],
+            "repeat_day_of_week": [ 4, 5 ],
             "repeat_day_of_month": [],
             "repeat_week_of_month": [],
             "repeat_month_of_year": [],
@@ -52,10 +52,11 @@
             "water_mark_type": 0
         },
         "hosts": {
-            "userids": ["zoro"]
+            "userids": [ "zoro" ]
         },
         "meeting_admins": {
-            "userids": ["zoro"]
+            "userids": [ "zoro" ]
         }
-    }
+    },
+    "enable_id_trans": 1
 }