diff --git a/module/mail/lang/zh-cn.php b/module/mail/lang/zh-cn.php
index fc35d08efe..eac8e03c83 100755
--- a/module/mail/lang/zh-cn.php
+++ b/module/mail/lang/zh-cn.php
@@ -20,7 +20,7 @@ $lang->mail->turnon      = '是否打开';
 $lang->mail->async       = '异步发送';
 $lang->mail->fromAddress = '发信邮箱';
 $lang->mail->fromName    = '发信人';
-$lang->mail->domain      = '发信域名';
+$lang->mail->domain      = '禅道域名';
 $lang->mail->host        = 'smtp服务器';
 $lang->mail->port        = 'smtp端口号';
 $lang->mail->auth        = '是否需要验证';