diff --git a/inc/lang/zh/lang.php b/inc/lang/zh/lang.php
index 8f3a7bbf4939315d75a0d1a657c307dc7f05e70d..d179ad634c127fd170717d1c6275b5d305be70bd 100644
--- a/inc/lang/zh/lang.php
+++ b/inc/lang/zh/lang.php
@@ -24,6 +24,7 @@
  * @author xiqingongzi <Xiqingongzi@Gmail.com>
  * @author qinghao <qingxianhao@gmail.com>
  * @author Yuwei Sun <yuwei@hrz.tu-chemnitz.de>
+ * @author Errol <errol@hotmail.com>
  */
 $lang['encoding']              = 'utf-8';
 $lang['direction']             = 'ltr';
@@ -89,6 +90,7 @@ $lang['regmissing']            = '对不起，您必须填写所有的字段。'
 $lang['reguexists']            = '对不起，该用户名已经存在。';
 $lang['regsuccess']            = '新用户已建立，密码将通过电子邮件发送给您。';
 $lang['regsuccess2']           = '新用户已建立';
+$lang['regfail']               = '用户不能被创建。';
 $lang['regmailfail']           = '发送密码邮件时产生错误。请联系管理员！';
 $lang['regbadmail']            = '您输入的邮件地址有问题——如果您认为这是系统错误，请联系管理员。';
 $lang['regbadpass']            = '您输入的密码与系统产生的不符，请重试。';
@@ -103,6 +105,7 @@ $lang['profdeleteuser']        = '删除账号';
 $lang['profdeleted']           = '你的用户已经从这个 wiki 中删除';
 $lang['profconfdelete']        = '我希望删除我的账户。<br/>这项操作无法撤销。';
 $lang['profconfdeletemissing'] = '确认框未勾选';
+$lang['proffail']              = '用户设置没有更新。';
 $lang['pwdforget']             = '忘记密码？立即获取新密码';
 $lang['resendna']              = '本维基不支持二次发送密码。';
 $lang['resendpwd']             = '设置新密码用于';
@@ -352,6 +355,7 @@ $lang['media_perm_read']       = '抱歉，您没有足够权限读取这些文
 $lang['media_perm_upload']     = '抱歉，您没有足够权限来上传文件。';
 $lang['media_update']          = '上传新版本';
 $lang['media_restore']         = '恢复这个版本';
+$lang['media_acl_warning']     = '此列表可能不完全是由ACL限制和隐藏的页面。';
 $lang['currentns']             = '当前命名空间';
 $lang['searchresult']          = '搜索结果';
 $lang['plainhtml']             = '纯HTML';
diff --git a/lib/plugins/authad/lang/zh/lang.php b/lib/plugins/authad/lang/zh/lang.php
index 4f3794999afa9614af73148c75f741db23826197..df1a7a7f7717e12c1700866f108f4fb1f3f39b19 100644
--- a/lib/plugins/authad/lang/zh/lang.php
+++ b/lib/plugins/authad/lang/zh/lang.php
@@ -4,6 +4,9 @@
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
  * 
  * @author lainme <lainme993@gmail.com>
+ * @author Errol <errol@hotmail.com>
  */
 $lang['domain']                = '登录域';
 $lang['authpwdexpire']         = '您的密码将在 %d 天内过期，请尽快更改';
+$lang['passchangefail']        = '密码更改失败。是不是密码规则不符合？';
+$lang['connectfail']           = '无法连接到Active Directory服务器。';
diff --git a/lib/plugins/authldap/lang/zh/lang.php b/lib/plugins/authldap/lang/zh/lang.php
new file mode 100644
index 0000000000000000000000000000000000000000..ef727497ed2ccae463b734cfd9b04e4b415c9bf5
--- /dev/null
+++ b/lib/plugins/authldap/lang/zh/lang.php
@@ -0,0 +1,9 @@
+<?php
+
+/**
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * 
+ * @author Errol <errol@hotmail.com>
+ */
+$lang['connectfail']           = 'LDAP 无法连接: %s';
+$lang['domainfail']            = 'LDAP 无法找到你的用户 dn';
diff --git a/lib/plugins/authldap/lang/zh/settings.php b/lib/plugins/authldap/lang/zh/settings.php
index d4ea5c615f6693ad55e866ab8754807e6387e754..4f4a0a8b888f2e8e5a08defa882caa648d47829e 100644
--- a/lib/plugins/authldap/lang/zh/settings.php
+++ b/lib/plugins/authldap/lang/zh/settings.php
@@ -5,6 +5,7 @@
  * 
  * @author lainme <lainme993@gmail.com>
  * @author oott123 <ip.192.168.1.1@qq.com>
+ * @author Errol <errol@hotmail.com>
  */
 $lang['server']                = '您的 LDAP 服务器。填写主机名 (<code>localhost</code>) 或者完整的 URL (<code>ldap://server.tld:389</code>)';
 $lang['port']                  = 'LDAP 服务器端口 (如果上面没有给出完整的 URL)';
@@ -21,6 +22,7 @@ $lang['bindpw']                = '上述用户的密码';
 $lang['userscope']             = '限制用户搜索的范围';
 $lang['groupscope']            = '限制组搜索的范围';
 $lang['groupkey']              = '根据任何用户属性得来的组成员(而不是标准的 AD 组)，例如根据部门或者电话号码得到的组。';
+$lang['modPass']               = ' LDAP密码可以由dokuwiki修改吗？';
 $lang['debug']                 = '有错误时显示额外的调试信息';
 $lang['deref_o_0']             = 'LDAP_DEREF_NEVER';
 $lang['deref_o_1']             = 'LDAP_DEREF_SEARCHING';
diff --git a/lib/plugins/authmysql/lang/zh/lang.php b/lib/plugins/authmysql/lang/zh/lang.php
new file mode 100644
index 0000000000000000000000000000000000000000..044fe6d609d545d9fdfd0e2f2c5995e7a4fc8f53
--- /dev/null
+++ b/lib/plugins/authmysql/lang/zh/lang.php
@@ -0,0 +1,11 @@
+<?php
+
+/**
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * 
+ * @author Errol <errol@hotmail.com>
+ */
+$lang['connectfail']           = '连接数据库失败';
+$lang['userexists']            = '抱歉，用户名已被使用。';
+$lang['usernotexists']         = '抱歉，用户不存在。';
+$lang['writefail']             = '无法修改用户数据。请通知管理员';
diff --git a/lib/plugins/extension/lang/zh/lang.php b/lib/plugins/extension/lang/zh/lang.php
index 5ab3d77ba8909df7b7a1d3ffeb7a68bf3acc9ad5..62d54c160b89c820def66ce3847d093549cf3b44 100644
--- a/lib/plugins/extension/lang/zh/lang.php
+++ b/lib/plugins/extension/lang/zh/lang.php
@@ -7,6 +7,7 @@
  * @author xiqingongzi <Xiqingongzi@Gmail.com>
  * @author qinghao <qingxianhao@gmail.com>
  * @author lainme <lainme993@gmail.com>
+ * @author Errol <errol@hotmail.com>
  */
 $lang['menu']                  = '扩展管理器';
 $lang['tab_plugins']           = '安装插件';
@@ -28,6 +29,10 @@ $lang['btn_disable']           = '关闭';
 $lang['btn_install']           = '安装';
 $lang['btn_reinstall']         = '重新安装';
 $lang['js']['reallydel']       = '确定卸载这个扩展么？';
+$lang['js']['display_viewoptions'] = '查看选项:';
+$lang['js']['display_enabled'] = '启用';
+$lang['js']['display_disabled'] = '禁用';
+$lang['js']['display_updatable'] = '可更新';
 $lang['search_for']            = '搜索扩展';
 $lang['search']                = '搜索';
 $lang['extensionby']           = '<strong>%s</strong> by %s';