diff --git a/inc/lang/zh/lang.php b/inc/lang/zh/lang.php
index a2a9e93559793ef10eedec96515dae79b0db4624..6968d38fcea6c59aa7773e5858d13b4bdde1626a 100644
--- a/inc/lang/zh/lang.php
+++ b/inc/lang/zh/lang.php
@@ -27,6 +27,7 @@
  * @author Errol <errol@hotmail.com>
  * @author Garfield <garfield_550@outlook.com>
  * @author JellyChen <451453325@qq.com>
+ * @author tai <tai_tang@126.com>
  */
 $lang['encoding']              = 'utf-8';
 $lang['direction']             = 'ltr';
diff --git a/lib/plugins/authplain/lang/zh/lang.php b/lib/plugins/authplain/lang/zh/lang.php
index 8cd18d55ed632ad9281fbd387f72e472f479b760..1e0dd10062bf224aa76152fff976bad5ac2bc992 100644
--- a/lib/plugins/authplain/lang/zh/lang.php
+++ b/lib/plugins/authplain/lang/zh/lang.php
@@ -4,7 +4,9 @@
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
  *
  * @author lainme <lainme993@gmail.com>
+ * @author tai <tai_tang@126.com>
  */
 $lang['userexists']            = '对不起，该用户名已经存在。';
 $lang['usernotexists']         = '抱歉，该用户不存在';
 $lang['writefail']             = '无法修改用户数据。请联系维基管理员';
+$lang['protected']             = '用户 %s 的数据被保护和无法被编辑或删除。';
diff --git a/lib/plugins/config/lang/zh/lang.php b/lib/plugins/config/lang/zh/lang.php
index e29d7ec264c0fe37ed4a39d80c522bcc1d8ee402..1d90cfe371426d132a95ea100d0a8f74aebc3c30 100644
--- a/lib/plugins/config/lang/zh/lang.php
+++ b/lib/plugins/config/lang/zh/lang.php
@@ -17,6 +17,7 @@
  * @author Shuo-Ting Jian <shoting@gmail.com>
  * @author Garfield <garfield_550@outlook.com>
  * @author JellyChen <451453325@qq.com>
+ * @author tai <tai_tang@126.com>
  */
 $lang['menu']                  = '配置设置';
 $lang['error']                 = '由于非法参数，设置没有更新。请检查您做的改动并重新提交。