diff --git a/cas_server/locale/zh_Hans/LC_MESSAGES/django.mo b/cas_server/locale/zh_Hans/LC_MESSAGES/django.mo
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diff --git a/cas_server/locale/zh_Hans/LC_MESSAGES/django.po b/cas_server/locale/zh_Hans/LC_MESSAGES/django.po
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+++ b/cas_server/locale/zh_Hans/LC_MESSAGES/django.po
@@ -0,0 +1,421 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-08-01 22:18+0800\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: apps.py:30 templates/cas_server/bs3/base.html:7
+#: templates/cas_server/bs3/base.html:26 templates/cas_server/bs4/base.html:6
+#: templates/cas_server/bs4/base.html:17
+msgid "Central Authentication Service"
+msgstr "认证中心服务"
+
+#: default_settings.py:230
+msgid ""
+"The Central Authentication Service grants you access to most of our websites "
+"by authenticating only once, so you don't need to type your credentials "
+"again unless your session expires or you logout."
+msgstr ""
+"您仅需在认证中心认证一次，就可以访问您的多数网站, "
+"这样您不再需要重复输入认证，除非您的会话过期，或者您登出了."
+
+#: forms.py:93
+msgid "Identity provider"
+msgstr "身份提供者"
+
+#: forms.py:97 forms.py:119
+msgid "Warn me before logging me into other sites."
+msgstr "登录到其它网站时警告我"
+
+#: forms.py:101
+msgid "Remember the identity provider"
+msgstr "记住此身份提供者"
+
+#: forms.py:112 models.py:646
+msgid "username"
+msgstr "用户名"
+
+#: forms.py:116
+msgid "password"
+msgstr "密码"
+
+#: forms.py:139
+msgid "The credentials you provided cannot be determined to be authentic."
+msgstr "您提供的令牌不能通过鉴权"
+
+#: forms.py:191
+msgid "User not found in the temporary database, please try to reconnect"
+msgstr "在临时数据库找不到此用户，请尝试重新连接"
+
+#: forms.py:205
+msgid "service"
+msgstr "服务"
+
+#: management/commands/cas_clean_federate.py:25
+msgid "Clean old federated users"
+msgstr "清除过期联盟用户"
+
+#: management/commands/cas_clean_sessions.py:27
+msgid "Clean deleted sessions"
+msgstr "清除被删除的会话"
+
+#: management/commands/cas_clean_tickets.py:27
+msgid "Clean old tickets"
+msgstr "清除过期凭证"
+
+#: models.py:79
+msgid "identity provider"
+msgstr "身份提供者"
+
+#: models.py:80
+msgid "identity providers"
+msgstr "身份证供者"
+
+#: models.py:86
+msgid "suffix"
+msgstr "后缀"
+
+#: models.py:88
+msgid ""
+"Suffix append to backend CAS returned username: ``returned_username`` @ "
+"``suffix``."
+msgstr "后端 CAS 附加后缀返回的用户名: ``returned_username`` @ "
+"``suffix``."
+
+#: models.py:95
+msgid "server url"
+msgstr "服务 url"
+
+#: models.py:105
+msgid "CAS protocol version"
+msgstr "CAS 协议版本"
+
+#: models.py:107
+msgid ""
+"Version of the CAS protocol to use when sending requests the the backend CAS."
+msgstr ""
+"后端 CAS 发送请求时使用的 CAS 协议版本"
+
+#: models.py:114
+msgid "verbose name"
+msgstr "详细名称"
+
+#: models.py:115
+msgid "Name for this identity provider displayed on the login page."
+msgstr "在登录页显示的身份提供者的名字"
+
+#: models.py:121 models.py:498
+msgid "position"
+msgstr "位置"
+
+#: models.py:135
+msgid "display"
+msgstr "显示"
+
+#: models.py:136
+msgid "Display the provider on the login page."
+msgstr "在登录页显示提供者"
+
+#: models.py:174
+msgid "Federated user"
+msgstr "联盟用户"
+
+#: models.py:175
+msgid "Federated users"
+msgstr "联盟用户"
+
+#: models.py:254
+msgid "User attributes cache"
+msgstr "用户属性缓存"
+
+#: models.py:255
+msgid "User attributes caches"
+msgstr "用户属性缓存"
+
+#: models.py:279
+msgid "User"
+msgstr "用户"
+
+#: models.py:280
+msgid "Users"
+msgstr "用户"
+
+#: models.py:372
+#, python-format
+msgid "Error during service logout %s"
+msgstr "服务登出中的异常 %s"
+
+#: models.py:492
+msgid "Service pattern"
+msgstr "服务范式"
+
+#: models.py:493
+msgid "Services patterns"
+msgstr "服务范式"
+
+#: models.py:499
+msgid "service patterns are sorted using the position attribute"
+msgstr "服务范式会按照位置属性排序"
+
+#: models.py:507 models.py:676
+msgid "name"
+msgstr "名称"
+
+#: models.py:508
+msgid "A name for the service"
+msgstr "服务的名称"
+
+#: models.py:516 models.py:723 models.py:757
+msgid "pattern"
+msgstr "范式"
+
+#: models.py:518
+msgid ""
+"A regular expression matching services. Will usually looks like '^https://"
+"some\\.server\\.com/path/.*$'.As it is a regular expression, special "
+"character must be escaped with a '\\'."
+msgstr ""
+"用一个正则表示式来匹配服务。一般如 '^https://"
+"some\\.server\\.com/path/.*$'. 在正则表达式中，特殊"
+"字符必须用 '\\' 转码."
+
+#: models.py:529
+msgid "user field"
+msgstr "用户字段"
+
+#: models.py:530
+msgid "Name of the attribute to transmit as username, empty = login"
+msgstr "被转译作为用户名的属性字段，空 = login"
+
+#: models.py:535
+msgid "restrict username"
+msgstr "用户名限制"
+
+#: models.py:536
+msgid "Limit username allowed to connect to the list provided bellow"
+msgstr "只允许下面列表提供的用户名连接"
+
+#: models.py:541
+msgid "proxy"
+msgstr "代理"
+
+#: models.py:542
+msgid "Proxy tickets can be delivered to the service"
+msgstr "可以对服务分发的代理凭证"
+
+#: models.py:548
+msgid "proxy callback"
+msgstr "代理回调"
+
+#: models.py:549
+msgid "can be used as a proxy callback to deliver PGT"
+msgstr "可以作为代理回调来分发PGT"
+
+#: models.py:556
+msgid "single log out"
+msgstr "单点登出"
+
+#: models.py:557
+msgid "Enable SLO for the service"
+msgstr "为服务启用 SLO"
+
+#: models.py:565
+msgid "single log out callback"
+msgstr "单点登出回调"
+
+#: models.py:566
+msgid ""
+"URL where the SLO request will be POST. empty = service url\n"
+"This is usefull for non HTTP proxied services."
+msgstr ""
+"SLO 的 POST 请求使用的 URL. 空 = 服务地址\n"
+"在为非 HTTP 代理服务时有用"
+
+#: models.py:647
+msgid "username allowed to connect to the service"
+msgstr "允许连接到服务的用户名"
+
+#: models.py:677
+msgid "name of an attribute to send to the service, use * for all attributes"
+msgstr "发给服务的属性名, 使用 * 表示所有属性"
+
+#: models.py:684 models.py:765
+msgid "replace"
+msgstr "替换"
+
+#: models.py:685
+msgid ""
+"name under which the attribute will be show to the service. empty = default "
+"name of the attribut"
+msgstr ""
+"展示给服务的属性的名字. 空 = default"
+"属性的名字"
+
+#: models.py:716 models.py:751
+msgid "attribute"
+msgstr "属性"
+
+#: models.py:717
+msgid "Name of the attribute which must verify pattern"
+msgstr "必须校验范式的属性的名字"
+
+#: models.py:724
+msgid "a regular expression"
+msgstr "一个正则表达式"
+
+#: models.py:752
+msgid "Name of the attribute for which the value must be replace"
+msgstr "必须被替换的值的属性的名字"
+
+#: models.py:758
+msgid "An regular expression maching whats need to be replaced"
+msgstr "一个正则表达式，符合的将要被替换"
+
+#: models.py:766
+msgid "replace expression, groups are capture by \\1, \\2 …"
+msgstr "替换表达式, 用 \\`, \\2 等等来替换组"
+
+#: templates/cas_server/bs3/base.html:43 templates/cas_server/bs4/base.html:28
+#, python-format
+msgid ""
+"A new version of the application is available. This instance runs "
+"%(VERSION)s and the last version is %(LAST_VERSION)s. Please consider "
+"upgrading."
+msgstr ""
+"此应用有一个新版本可用. 此实例运行于 %(VERSION)s, 最新的版本是 %(LAST_VERSION)s. 请考虑升级"
+
+#: templates/cas_server/bs3/logged.html:4
+#: templates/cas_server/bs4/logged.html:4
+msgid ""
+"<h3>Log In Successful</h3>You have successfully logged into the Central "
+"Authentication Service.<br/>For security reasons, please Log Out and Exit "
+"your web browser when you are done accessing services that require "
+"authentication!"
+msgstr ""
+"<h3>登入成功</h3>您已经成功登入认证中心."
+"<br/>出于安全考虑, 当您用完需要认证的服务时，请您登出并退出您的浏览器!"
+
+#: templates/cas_server/bs3/logged.html:8
+#: templates/cas_server/bs4/logged.html:8
+msgid "Log me out from all my sessions"
+msgstr "从我的所有会话中登出"
+
+#: templates/cas_server/bs3/logged.html:14
+#: templates/cas_server/bs4/logged.html:14
+msgid "Forget the identity provider"
+msgstr "忘掉身份提供者"
+
+#: templates/cas_server/bs3/logged.html:18
+#: templates/cas_server/bs4/logged.html:18
+msgid "Logout"
+msgstr "登出"
+
+#: templates/cas_server/bs3/login.html:6 templates/cas_server/bs4/login.html:7
+msgid "Please log in"
+msgstr "请登录"
+
+#: templates/cas_server/bs3/login.html:14
+#: templates/cas_server/bs4/login.html:17
+msgid "Login"
+msgstr "登录"
+
+#: templates/cas_server/bs3/warn.html:9 templates/cas_server/bs4/warn.html:9
+msgid "Connect to the service"
+msgstr "连接到服务"
+
+#: utils.py:753
+#, python-format
+msgid "\"%(value)s\" is not a valid regular expression"
+msgstr "\"%(value)s\" 不是一个有效的正则表达式"
+
+#: views.py:197
+msgid ""
+"<h3>Logout successful</h3>You have successfully logged out from the Central "
+"Authentication Service. For security reasons, close your web browser."
+msgstr ""
+"<h3>登出成功</h3>您成功从认证中心登出."
+"安全起见，请关闭您的浏览器"
+
+
+#: views.py:203
+#, python-format
+msgid ""
+"<h3>Logout successful</h3>You have successfully logged out from %d sessions "
+"of the Central Authentication Service. For security reasons, close your web "
+"browser."
+msgstr ""
+"<h3>登出成功</h3>您已经从认证中心服务的会话 %d 中成功登出"
+"为安全起见，请关闭您的浏览器"
+
+#: views.py:210
+msgid ""
+"<h3>Logout successful</h3>You were already logged out from the Central "
+"Authentication Service. For security reasons, close your web browser."
+msgstr ""
+"<h3>登出成功</h3>您已经从认证中心服务登出. "
+"为安全起见，请关闭您的浏览器"
+
+#: views.py:391
+#, python-format
+msgid ""
+"Invalid response from your identity provider CAS upon ticket %(ticket)s "
+"validation: %(error)r"
+msgstr ""
+"您的身份提供者 CAS 对凭证 %(ticket)s 返回了无效响应"
+"校验: %(error)r"
+
+#: views.py:513
+msgid "Invalid login ticket, please try to log in again"
+msgstr "无效登录凭证, 请尝试重新登录"
+
+#: views.py:706
+#, python-format
+msgid "Authentication has been required by service %(name)s (%(url)s)"
+msgstr "服务 %(name)s (%(url)s) 需要认证"
+
+#: views.py:744
+#, python-format
+msgid "Service %(url)s not allowed."
+msgstr "不允许的服务 %(url)s"
+
+#: views.py:751
+msgid "Username not allowed"
+msgstr "不允许的用户名"
+
+#: views.py:758
+msgid "User characteristics not allowed"
+msgstr "不允许的用户特征"
+
+#: views.py:765
+#, python-format
+msgid "The attribute %(field)s is needed to use that service"
+msgstr "使用那个服务需要属性 %(field)s"
+
+#: views.py:857
+#, python-format
+msgid "Authentication renewal required by service %(name)s (%(url)s)."
+msgstr "服务 %(name)s (%(url)s) 需要更新认证"
+
+#: views.py:864
+#, python-format
+msgid "Authentication required by service %(name)s (%(url)s)."
+msgstr "服务 %(name)s (%(url)s) 需要认证."
+
+#: views.py:872
+#, python-format
+msgid "Service %s not allowed"
+msgstr "不允许的服务 %s"