diff --git a/webapp/services/MailApiService.php b/webapp/services/MailApiService.php
index b7c2e2b9..9d569ea2 100644
--- a/webapp/services/MailApiService.php
+++ b/webapp/services/MailApiService.php
@@ -10,8 +10,8 @@ class MailApiService extends BaseService {
       attachments: 邮件附件
       [
       {
-        "item_id": 0, //道具id
-        "item_num": 0, //道具数量
+        "itemid": 0, //道具id
+        "itemnum": 0, //道具数量
       }
       ]
      */
@@ -26,8 +26,8 @@ class MailApiService extends BaseService {
       attachments: 邮件附件
       [
       {
-        "item_id": 0, //道具id
-        "item_num": 0, //道具数量
+        "itemid": 0, //道具id
+        "itemnum": 0, //道具数量
       }
       ]
      */