diff --git a/install.php b/install.php
index 99a0d4e..fd6552b 100644
--- a/install.php
+++ b/install.php
@@ -303,7 +303,7 @@ function install_run($input) {
                 'errors' => array(t('install.error_delete_privilege')),
                 'steps' => $steps);
         }
-        $steps[] = array('success', t('install.step_privileges'));
+        $steps[] = array('success', t('install.step_privileges_ok'));
 
         $administrator = install_create_administrator(
             $connection, $input['admin_username'], $input['admin_password']);
@@ -344,7 +344,7 @@ form { padding:1.35rem;border:1px solid var(--line);border-radius:.9rem;backgrou
 </style>
 </head>
 <body>
-<h1>PHP Git 服务器安装</h1>
+<h1>__INSTALL_HEADING__</h1>
 HTML;
     echo i18n_language_switcher(install_page_url())."\n";
 }
@@ -352,23 +352,19 @@ HTML;
 function install_send_form($input, $errors) {
     $token = install_csrf_token();
     if ($token === FALSE) {
-        echo '<p class="notice notice-error">当前无法初始化安全会话，无法继续安装。</p>' ."\n";
+        echo '<p class="notice notice-error">'.install_escape(t('install.session_unavailable')).'</p>' ."\n";
         return;
     }
 
-    echo '<p class="lead">检测到项目根目录没有 <code>config.php</code>。请先准备好一个空数据库'
-        .'和对应账号，填写以下信息即可导入表结构、创建首个管理员账号并生成配置文件。</p>' ."\n";
+    echo '<p class="lead">'.t('install.lead').'</p>' ."\n";
     if (!install_request_is_https()) {
-        echo '<p class="notice notice-warning">当前不是 HTTPS 连接。密码将以明文传输，'
-            .'建议改用 HTTPS 或仅从本机访问安装页面。</p>' ."\n";
+        echo '<p class="notice notice-warning">'.t('install.warning_http').'</p>' ."\n";
     }
     if (!extension_loaded('pdo_mysql')) {
-        echo '<p class="notice notice-error">PHP 未启用 <code>pdo_mysql</code> 扩展，'
-            .'安装无法继续。请先安装该扩展并重启 PHP。</p>' ."\n";
+        echo '<p class="notice notice-error">'.t('install.error_no_pdo_mysql').'</p>' ."\n";
     }
     if (!is_writable(__DIR__)) {
-        echo '<p class="notice notice-error">项目目录不可写，无法生成 <code>config.php</code>。'
-            .'请调整目录权限后刷新。</p>' ."\n";
+        echo '<p class="notice notice-error">'.t('install.error_not_writable').'</p>' ."\n";
     }
     if (!empty($errors)) {
         echo '<div class="notice notice-error"><ul>' ."\n";
@@ -381,87 +377,82 @@ function install_send_form($input, $errors) {
     echo '<form method="post" action="'.install_escape(install_page_url()).'">' ."\n";
     echo '<input type="hidden" name="csrf_token" value="'.install_escape($token).'">' ."\n";
 
-    echo '<fieldset><legend>应用</legend><div class="grid">' ."\n";
-    echo '<div><label for="url_base">基础路径</label>'
+    echo '<fieldset><legend>'.install_escape(t('install.legend_application')).'</legend><div class="grid">' ."\n";
+    echo '<div><label for="url_base">'.install_escape(t('install.label_url_base')).'</label>'
         .'<input id="url_base" name="url_base" type="text" value="'
         .install_escape($input['url_base']).'" placeholder="/php-git-server">'
-        .'<p class="hint">部署在域名根路径时留空。</p></div>' ."\n";
-    echo '<div><label for="git_executable">Git 可执行文件</label>'
+        .'<p class="hint">'.t('install.hint_url_base').'</p></div>' ."\n";
+    echo '<div><label for="git_executable">'.install_escape(t('install.label_git_executable')).'</label>'
         .'<input id="git_executable" name="git_executable" type="text" value="'
         .install_escape($input['git_executable']).'" required>'
-        .'<p class="hint">不可用时会回退到纯 PHP 实现。</p></div>' ."\n";
+        .'<p class="hint">'.t('install.hint_git_executable').'</p></div>' ."\n";
     echo '<div><label for="language">'.install_escape(t('install.label_language')).'</label>'
         .'<select id="language" name="language">'
         .'<option value=""'.($input['language'] === '' ? ' selected' : '').'>'
         .install_escape(t('install.language_auto')).'</option>'
-        .'<option value="en"'.($input['language'] === 'en' ? ' selected' : '').'>English</option>'
-        .'<option value="zh"'.($input['language'] === 'zh' ? ' selected' : '').'>中文</option>'
+        .'<option value="en"'.($input['language'] === 'en' ? ' selected' : '').'>'.install_escape(t('install.language_en')).'</option>'
+        .'<option value="zh"'.($input['language'] === 'zh' ? ' selected' : '').'>'.install_escape(t('install.language_zh')).'</option>'
         .'</select></div>' ."\n";
     echo '</div><div class="check"><input id="registration_enabled" name="registration_enabled" '
         .'type="checkbox" value="1"'.($input['registration_enabled'] ? ' checked' : '').'>'
-        .'<label for="registration_enabled">允许公开注册新账号</label></div>' ."\n";
+        .'<label for="registration_enabled">'.install_escape(t('install.label_registration_enabled')).'</label></div>' ."\n";
     echo '<div class="check"><input id="session_cookie_secure" name="session_cookie_secure" '
         .'type="checkbox" value="1"'.($input['session_cookie_secure'] ? ' checked' : '').'>'
-        .'<label for="session_cookie_secure">HTTPS 在可信反向代理终止（设置 Secure Cookie）</label>'
+        .'<label for="session_cookie_secure">'.install_escape(t('install.label_session_cookie_secure')).'</label>'
         .'</div></fieldset>' ."\n";
 
-    echo '<fieldset><legend>数据库</legend>' ."\n";
-    echo '<p class="hint">请先自行创建好数据库和账号，安装器不会创建它们，也不需要 root 权限。'
-        .'账号需对该库具有 SELECT、INSERT、UPDATE 和 DELETE 权限；'
-        .'若还具有建表权限，安装器会自动导入表结构。</p>' ."\n";
+    echo '<fieldset><legend>'.install_escape(t('install.legend_database')).'</legend>' ."\n";
+    echo '<p class="hint">'.t('install.hint_database').'</p>' ."\n";
     echo '<div class="grid">' ."\n";
-    echo '<div><label for="db_host">主机</label><input id="db_host" name="db_host" type="text" '
+    echo '<div><label for="db_host">'.install_escape(t('install.label_db_host')).'</label><input id="db_host" name="db_host" type="text" '
         .'value="'.install_escape($input['db_host']).'" required>'
-        .'<p class="hint">共享主机通常是 <code>localhost</code>。</p></div>' ."\n";
-    echo '<div><label for="db_port">端口</label><input id="db_port" name="db_port" '
+        .'<p class="hint">'.t('install.hint_db_host').'</p></div>' ."\n";
+    echo '<div><label for="db_port">'.install_escape(t('install.label_db_port')).'</label><input id="db_port" name="db_port" '
         .'type="number" min="1" max="65535" value="'.install_escape($input['db_port'])
         .'" required></div>' ."\n";
-    echo '<div><label for="db_name">数据库名</label><input id="db_name" name="db_name" '
+    echo '<div><label for="db_name">'.install_escape(t('install.label_db_name')).'</label><input id="db_name" name="db_name" '
         .'type="text" value="'.install_escape($input['db_name']).'" required>'
-        .'<p class="hint">面板生成的名称通常带前缀，例如 <code>cpuser_git</code>。</p></div>' ."\n";
-    echo '<div><label for="db_user">数据库账号</label><input id="db_user" name="db_user" '
+        .'<p class="hint">'.t('install.hint_db_name').'</p></div>' ."\n";
+    echo '<div><label for="db_user">'.install_escape(t('install.label_db_user')).'</label><input id="db_user" name="db_user" '
         .'type="text" value="'.install_escape($input['db_user']).'" required></div>' ."\n";
-    echo '<div><label for="db_password">数据库账号密码</label><input id="db_password" '
+    echo '<div><label for="db_password">'.install_escape(t('install.label_db_password')).'</label><input id="db_password" '
         .'name="db_password" type="password" autocomplete="new-password" required></div>' ."\n";
     echo '</div>' ."\n";
-    echo '<p class="hint">若该账号没有建表权限，请先用面板的 phpMyAdmin 导入 '
-        .'<code>schema.mysql.sql</code>，再提交本页面；已存在的表会被自动跳过。</p>' ."\n";
+    echo '<p class="hint">'.t('install.hint_schema_import').'</p>' ."\n";
     echo '</fieldset>' ."\n";
 
-    echo '<fieldset><legend>管理员账号</legend>' ."\n";
-    echo '<p class="hint">该账号会写入 <code>$auth[\'administrators\']</code>，'
-        .'安装完成后即可访问管理界面。</p>' ."\n";
+    echo '<fieldset><legend>'.install_escape(t('install.legend_administrator')).'</legend>' ."\n";
+    echo '<p class="hint">'.t('install.hint_administrator').'</p>' ."\n";
     echo '<div class="grid">' ."\n";
-    echo '<div><label for="admin_username">用户名</label><input id="admin_username" '
+    echo '<div><label for="admin_username">'.install_escape(t('install.label_admin_username')).'</label><input id="admin_username" '
         .'name="admin_username" type="text" minlength="3" maxlength="64" value="'
         .install_escape($input['admin_username']).'" autocomplete="off" required></div>' ."\n";
-    echo '<div><label for="admin_password">密码</label><input id="admin_password" '
+    echo '<div><label for="admin_password">'.install_escape(t('install.label_admin_password')).'</label><input id="admin_password" '
         .'name="admin_password" type="password" minlength="8" maxlength="72" '
         .'autocomplete="new-password" required></div>' ."\n";
-    echo '<div><label for="admin_password_confirmation">确认密码</label>'
+    echo '<div><label for="admin_password_confirmation">'.install_escape(t('install.label_admin_password_confirmation')).'</label>'
         .'<input id="admin_password_confirmation" name="admin_password_confirmation" '
         .'type="password" minlength="8" maxlength="72" autocomplete="new-password" required>'
         .'</div>' ."\n";
     echo '</div></fieldset>' ."\n";
 
-    echo '<button type="submit">开始安装</button>' ."\n";
+    echo '<button type="submit">'.install_escape(t('install.button_submit')).'</button>' ."\n";
     echo '</form>' ."\n";
 }
 
 function install_send_result($steps) {
-    echo '<p class="notice notice-success">安装完成。</p>' ."\n";
+    echo '<p class="notice notice-success">'.install_escape(t('install.complete')).'</p>' ."\n";
     foreach ($steps as $step) {
         echo '<p class="notice notice-'.install_escape($step[0]).'">'
             .install_escape($step[1]).'</p>' ."\n";
     }
 
-    echo '<h2>请立即完成以下操作</h2>' ."\n";
-    echo '<p>删除安装脚本，避免它在配置被移除后再次可用。有 shell 时执行：</p>' ."\n";
+    echo '<h2>'.install_escape(t('install.next_steps_title')).'</h2>' ."\n";
+    echo '<p>'.install_escape(t('install.next_steps_remove')).'</p>' ."\n";
     echo '<pre><code>rm install.php</code></pre>' ."\n";
-    echo '<p>共享主机可用面板的文件管理器或 FTP 直接删除 <code>install.php</code>。</p>' ."\n";
-    echo '<p>确认 <code>config.php</code> 仅应用进程可读，并检查 <code>repos</code> 目录权限。'
-        .'详细说明见 <code>usage.md</code>。</p>' ."\n";
-    echo '<p><a href="'.install_escape(install_home_url()).'">进入首页并登录</a></p>' ."\n";
+    echo '<p>'.t('install.next_steps_shared_hosting').'</p>' ."\n";
+    echo '<p>'.t('install.next_steps_permissions').'</p>' ."\n";
+    echo '<p><a href="'.install_escape(install_home_url()).'">'.install_escape(t('install.link_home')).'</a></p>' ."\n";
 }
 
 function install_send_foot() {
diff --git a/lib/i18n.php b/lib/i18n.php
index 4c2d4e0..5776a57 100644
--- a/lib/i18n.php
+++ b/lib/i18n.php
@@ -166,6 +166,7 @@ function i18n_language_switcher($url) {
 function i18n_translate_markup($markup) {
     $markup = str_replace('__LANG__', htmlspecialchars(i18n_html_lang(), ENT_QUOTES, 'UTF-8'), $markup);
     $markup = str_replace('__TITLE__', htmlspecialchars(t('install.title'), ENT_QUOTES, 'UTF-8'), $markup);
+    $markup = str_replace('__INSTALL_HEADING__', htmlspecialchars(t('install.heading'), ENT_QUOTES, 'UTF-8'), $markup);
     if (i18n_language() === 'en') {
         $catalog = i18n_catalog_zh();
         $english = i18n_catalog_en();
diff --git a/manage.php b/manage.php
index 132eac0..771c5dc 100644
--- a/manage.php
+++ b/manage.php
@@ -279,29 +279,29 @@ details { min-width: 15rem; } summary { cursor: pointer; font-weight: 700; } det
 </head>
 <body>
 HTML;
-    echo '<header><div class="header-inner"><div><h1>PHP Git 服务器 / 管理</h1>' ."\n";
-    echo '<p class="identity">管理员：<strong>'.manage_escape($administrator['username'])
+    echo '<header><div class="header-inner"><div><h1>'.manage_escape(t('manage.heading')).'</h1>' ."\n";
+    echo '<p class="identity">'.manage_escape(t('manage.administrator_label')).'：<strong>'.manage_escape($administrator['username'])
         .'</strong></p></div>' ."\n";
-    echo '<nav><a href="'.manage_escape(manage_home_url($url_base)).'">返回仓库首页</a> '
+    echo '<nav><a href="'.manage_escape(manage_home_url($url_base)).'">'.manage_escape(t('manage.back_to_home')).'</a> '
         .i18n_language_switcher(manage_page_url($url_base));
     echo '</nav></div></header>' ."\n";
 }
 
 function manage_send_create_user($url_base, $csrf_token) {
-    echo '<section aria-labelledby="create-user-title"><h2 id="create-user-title">创建用户</h2>' ."\n";
-    echo '<p class="section-lead">管理员创建的账号会立即启用。</p>' ."\n";
+    echo '<section aria-labelledby="create-user-title"><h2 id="create-user-title">'.manage_escape(t('manage.create_user_title')).'</h2>' ."\n";
+    echo '<p class="section-lead">'.manage_escape(t('manage.create_user_lead')).'</p>' ."\n";
     echo '<form class="create-user" method="post" action="'
         .manage_escape(manage_page_url($url_base)).'">' ."\n";
     echo '<input type="hidden" name="csrf_token" value="'.manage_escape($csrf_token).'">' ."\n";
     echo '<input type="hidden" name="action" value="create_user">' ."\n";
-    echo '<div><label for="new-username">用户名</label><input id="new-username" name="username" '
+    echo '<div><label for="new-username">'.manage_escape(t('manage.label_username')).'</label><input id="new-username" name="username" '
         .'minlength="3" maxlength="64" autocomplete="off" required></div>' ."\n";
-    echo '<div><label for="new-password">初始密码</label><input id="new-password" name="password" '
+    echo '<div><label for="new-password">'.manage_escape(t('manage.label_initial_password')).'</label><input id="new-password" name="password" '
         .'type="password" minlength="8" maxlength="72" autocomplete="new-password" required></div>' ."\n";
-    echo '<div><label for="new-password-confirmation">确认密码</label>'
+    echo '<div><label for="new-password-confirmation">'.manage_escape(t('manage.label_password_confirmation')).'</label>'
         .'<input id="new-password-confirmation" name="password_confirmation" type="password" '
         .'minlength="8" maxlength="72" autocomplete="new-password" required></div>' ."\n";
-    echo '<button type="submit">创建用户</button></form></section>' ."\n";
+    echo '<button type="submit">'.manage_escape(t('manage.button_create_user')).'</button></form></section>' ."\n";
 }
 
 function manage_hidden_fields($csrf_token, $action, $user_id=NULL) {
@@ -317,32 +317,32 @@ function manage_hidden_fields($csrf_token, $action, $user_id=NULL) {
 }
 
 function manage_send_users($url_base, $csrf_token, $users, $administrator) {
-    echo '<section aria-labelledby="users-title"><h2 id="users-title">用户</h2>' ."\n";
-    echo '<p class="section-lead">停用会立即阻止网页登录和 Access Token 认证。删除用户前必须先处理其仓库。</p>' ."\n";
+    echo '<section aria-labelledby="users-title"><h2 id="users-title">'.manage_escape(t('manage.users_title')).'</h2>' ."\n";
+    echo '<p class="section-lead">'.manage_escape(t('manage.users_lead')).'</p>' ."\n";
     if ($users === FALSE) {
-        echo '<p class="notice notice-error">当前无法读取用户列表。</p></section>' ."\n";
+        echo '<p class="notice notice-error">'.manage_escape(t('manage.users_unavailable')).'</p></section>' ."\n";
         return;
     }
     if (empty($users)) {
-        echo '<p class="empty">当前没有用户。</p></section>' ."\n";
+        echo '<p class="empty">'.manage_escape(t('manage.users_empty')).'</p></section>' ."\n";
         return;
     }
 
     $action_url = manage_escape(manage_page_url($url_base));
-    echo '<div class="table-wrap"><table><thead><tr><th>用户</th><th>状态</th><th>仓库</th>'
-        .'<th>有效 Token</th><th>创建时间</th><th>账号操作</th><th>密码</th></tr></thead><tbody>' ."\n";
+    echo '<div class="table-wrap"><table><thead><tr><th>'.manage_escape(t('manage.th_user')).'</th><th>'.manage_escape(t('manage.th_status')).'</th><th>'.manage_escape(t('manage.th_repositories')).'</th>'
+        .'<th>'.manage_escape(t('manage.th_active_tokens')).'</th><th>'.manage_escape(t('manage.th_created_at')).'</th><th>'.manage_escape(t('manage.th_account_actions')).'</th><th>'.manage_escape(t('manage.th_password')).'</th></tr></thead><tbody>' ."\n";
     foreach ($users as $user) {
         $active = (int) $user['is_active'] === 1;
         $is_administrator = auth_user_is_administrator($user);
         $is_self = (int) $user['id'] === (int) $administrator['id'];
         echo '<tr><td><code>'.manage_escape($user['username']).'</code><br>';
         if ($is_administrator) {
-            echo '<span class="badge badge-good">管理员</span>';
+            echo '<span class="badge badge-good">'.manage_escape(t('manage.badge_administrator')).'</span>';
         } else if ($is_self) {
-            echo '<span class="badge badge-muted">当前账号</span>';
+            echo '<span class="badge badge-muted">'.manage_escape(t('manage.badge_current_account')).'</span>';
         }
         echo '</td><td><span class="badge '.($active ? 'badge-good' : 'badge-warning').'">'
-            .($active ? '启用' : '停用').'</span></td>';
+            .manage_escape($active ? t('manage.badge_active') : t('manage.badge_inactive')).'</span></td>';
         echo '<td>'.manage_escape($user['repository_count']).'</td>';
         echo '<td>'.manage_escape($user['active_token_count']).'</td>';
         echo '<td>'.manage_escape($user['created_at']).'</td><td><div class="stack">';
@@ -351,28 +351,28 @@ function manage_send_users($url_base, $csrf_token, $users, $administrator) {
             echo '<form method="post" action="'.$action_url.'">'
                 .manage_hidden_fields($csrf_token, 'set_user_status', $user['id']);
             echo '<input type="hidden" name="active" value="'.($active ? '0' : '1').'">';
-            echo '<button class="button-muted" type="submit">'.($active ? '停用' : '启用').'</button></form>';
+            echo '<button class="button-muted" type="submit">'.manage_escape($active ? t('manage.button_deactivate') : t('manage.button_activate')).'</button></form>';
         }
 
         echo '<form method="post" action="'.$action_url.'">'
             .manage_hidden_fields($csrf_token, 'revoke_user_tokens', $user['id']);
-        echo '<button class="button-muted" type="submit">撤销全部 Token</button></form>';
+        echo '<button class="button-muted" type="submit">'.manage_escape(t('manage.button_revoke_all_tokens')).'</button></form>';
 
         if (!$is_administrator && !$is_self && (int) $user['repository_count'] === 0) {
             echo '<form class="stack" method="post" action="'.$action_url.'">'
                 .manage_hidden_fields($csrf_token, 'delete_user', $user['id']);
             echo '<label class="confirm"><input name="confirmation" type="checkbox" value="'
-                .manage_escape($user['username']).'" required> 确认删除账号</label>';
-            echo '<button class="button-danger" type="submit">删除用户</button></form>';
+                .manage_escape($user['username']).'" required> '.manage_escape(t('manage.confirm_delete_account')).'</label>';
+            echo '<button class="button-danger" type="submit">'.manage_escape(t('manage.button_delete_user')).'</button></form>';
         }
-        echo '</div></td><td><details><summary>重置密码</summary>';
+        echo '</div></td><td><details><summary>'.manage_escape(t('manage.summary_reset_password')).'</summary>';
         echo '<form method="post" action="'.$action_url.'">'
             .manage_hidden_fields($csrf_token, 'reset_user_password', $user['id']);
         echo '<input name="password" type="password" minlength="8" maxlength="72" '
-            .'autocomplete="new-password" aria-label="新密码" placeholder="新密码" required>';
+            .'autocomplete="new-password" aria-label="'.manage_escape(t('manage.placeholder_new_password')).'" placeholder="'.manage_escape(t('manage.placeholder_new_password')).'" required>';
         echo '<input name="password_confirmation" type="password" minlength="8" maxlength="72" '
-            .'autocomplete="new-password" aria-label="确认新密码" placeholder="确认新密码" required>';
-        echo '<button type="submit">保存新密码</button></form></details></td></tr>' ."\n";
+            .'autocomplete="new-password" aria-label="'.manage_escape(t('manage.placeholder_confirm_new_password')).'" placeholder="'.manage_escape(t('manage.placeholder_confirm_new_password')).'" required>';
+        echo '<button type="submit">'.manage_escape(t('manage.button_save_password')).'</button></form></details></td></tr>' ."\n";
     }
     echo '</tbody></table></div></section>' ."\n";
 }
@@ -380,21 +380,21 @@ function manage_send_users($url_base, $csrf_token, $users, $administrator) {
 function manage_repository_state($repository, $configuration, $definitions, $url_base) {
     $root = managed_repository_root($configuration);
     if ($root === FALSE) {
-        return array('badge-warning', '根目录不可用', FALSE);
+        return array('badge-warning', t('manage.state_root_unavailable'), FALSE);
     }
 
     $path = $root.DIRECTORY_SEPARATOR.$repository['repository_name'];
     if (managed_repository_path_is_configured($definitions, $url_base, $path)) {
-        return array('badge-warning', '静态配置', FALSE);
+        return array('badge-warning', t('manage.state_configured'), FALSE);
     }
     if (!managed_repository_is_bare($path)) {
-        return array('badge-warning', '仅记录', TRUE);
+        return array('badge-warning', t('manage.state_record_only'), TRUE);
     }
     if ((int) $repository['is_ready'] !== 1) {
-        return array('badge-warning', '未完成', TRUE);
+        return array('badge-warning', t('manage.state_incomplete'), TRUE);
     }
 
-    return array('badge-good', '可用', TRUE);
+    return array('badge-good', t('manage.state_ready'), TRUE);
 }
 
 function manage_send_repositories(
@@ -404,20 +404,20 @@ function manage_send_repositories(
     $users,
     $configuration,
     $definitions) {
-    echo '<section aria-labelledby="repositories-title"><h2 id="repositories-title">托管仓库</h2>' ."\n";
-    echo '<p class="section-lead">此处操作数据库记录与 <code>repos</code> 目录中的受管 bare 仓库。</p>' ."\n";
+    echo '<section aria-labelledby="repositories-title"><h2 id="repositories-title">'.manage_escape(t('manage.repositories_title')).'</h2>' ."\n";
+    echo '<p class="section-lead">'.t('manage.repositories_lead').'</p>' ."\n";
     if ($repositories === FALSE) {
-        echo '<p class="notice notice-error">当前无法读取托管仓库列表。</p></section>' ."\n";
+        echo '<p class="notice notice-error">'.manage_escape(t('manage.repositories_unavailable')).'</p></section>' ."\n";
         return;
     }
     if (empty($repositories)) {
-        echo '<p class="empty">当前没有托管仓库。</p></section>' ."\n";
+        echo '<p class="empty">'.manage_escape(t('manage.repositories_empty')).'</p></section>' ."\n";
         return;
     }
 
     $action_url = manage_escape(manage_page_url($url_base));
-    echo '<div class="table-wrap"><table><thead><tr><th>仓库</th><th>状态</th><th>所有者与可见性</th>'
-        .'<th>创建时间</th><th>删除</th></tr></thead><tbody>' ."\n";
+    echo '<div class="table-wrap"><table><thead><tr><th>'.manage_escape(t('manage.th_repository')).'</th><th>'.manage_escape(t('manage.th_status')).'</th><th>'.manage_escape(t('manage.th_owner_visibility')).'</th>'
+        .'<th>'.manage_escape(t('manage.th_created_at')).'</th><th>'.manage_escape(t('manage.th_delete')).'</th></tr></thead><tbody>' ."\n";
     foreach ($repositories as $repository) {
         $state = manage_repository_state(
             $repository, $configuration, $definitions, $url_base);
@@ -429,7 +429,7 @@ function manage_send_repositories(
         echo '<input type="hidden" name="action" value="update_repository">';
         echo '<input type="hidden" name="repository_id" value="'
             .manage_escape($repository['id']).'">';
-        echo '<select name="owner_user_id" aria-label="仓库所有者">';
+        echo '<select name="owner_user_id" aria-label="'.manage_escape(t('manage.aria_repository_owner')).'">';
         foreach ($users === FALSE ? array() : $users as $user) {
             if ((int) $user['is_active'] !== 1
                 && (int) $user['id'] !== (int) $repository['owner_user_id']) {
@@ -437,17 +437,17 @@ function manage_send_repositories(
             }
             echo '<option value="'.manage_escape($user['id']).'"'
                 .((int) $user['id'] === (int) $repository['owner_user_id'] ? ' selected' : '').'>'
-                .manage_escape($user['username']).((int) $user['is_active'] === 1 ? '' : '（已停用）')
+                .manage_escape($user['username']).((int) $user['is_active'] === 1 ? '' : manage_escape(t('manage.user_deactivated_suffix')))
                 .'</option>';
         }
-        echo '</select><select name="visibility" aria-label="仓库可见性">';
+        echo '</select><select name="visibility" aria-label="'.manage_escape(t('manage.aria_repository_visibility')).'">';
         echo '<option value="public"'.((int) $repository['is_private'] === 0 ? ' selected' : '')
-            .'>公开</option>';
+            .'>'.manage_escape(t('manage.public')).'</option>';
         echo '<option value="private"'.((int) $repository['is_private'] === 1 ? ' selected' : '')
-            .'>私有</option></select><button type="submit">保存</button></form></td>';
+            .'>'.manage_escape(t('manage.private')).'</option></select><button type="submit">'.manage_escape(t('manage.button_save')).'</button></form></td>';
         echo '<td>'.manage_escape($repository['created_at']).'</td><td>';
         if (!$state[2]) {
-            echo '<span class="badge badge-muted">不可删除</span>';
+            echo '<span class="badge badge-muted">'.manage_escape(t('manage.badge_not_deletable')).'</span>';
         } else {
             echo '<form class="stack" method="post" action="'.$action_url.'">';
             echo '<input type="hidden" name="csrf_token" value="'.manage_escape($csrf_token).'">';
@@ -455,8 +455,8 @@ function manage_send_repositories(
             echo '<input type="hidden" name="repository_name" value="'
                 .manage_escape($repository['repository_name']).'">';
             echo '<label class="confirm"><input name="confirmation" type="checkbox" value="'
-                .manage_escape($repository['repository_name']).'" required> 确认永久删除</label>';
-            echo '<button class="button-danger" type="submit">删除仓库</button></form>';
+                .manage_escape($repository['repository_name']).'" required> '.manage_escape(t('manage.confirm_permanent_delete')).'</label>';
+            echo '<button class="button-danger" type="submit">'.manage_escape(t('manage.button_delete_repository')).'</button></form>';
         }
         echo '</td></tr>' ."\n";
     }
@@ -464,8 +464,8 @@ function manage_send_repositories(
 }
 
 function manage_send_configured_repositories($url_base, $definitions) {
-    echo '<section aria-labelledby="configured-title"><h2 id="configured-title">配置仓库</h2>' ."\n";
-    echo '<p class="section-lead">这些仓库来自 <code>config.php</code>，管理界面只读显示，不修改配置或文件。</p>' ."\n";
+    echo '<section aria-labelledby="configured-title"><h2 id="configured-title">'.manage_escape(t('manage.configured_title')).'</h2>' ."\n";
+    echo '<p class="section-lead">'.t('manage.configured_lead').'</p>' ."\n";
     $repositories = array();
     foreach ($definitions as $definition) {
         $repository = normalize_repository($definition, $url_base);
@@ -474,21 +474,21 @@ function manage_send_configured_repositories($url_base, $definitions) {
         }
     }
     if (empty($repositories)) {
-        echo '<p class="empty">当前没有配置仓库。</p></section>' ."\n";
+        echo '<p class="empty">'.manage_escape(t('manage.configured_empty')).'</p></section>' ."\n";
         return;
     }
 
-    echo '<div class="table-wrap"><table><thead><tr><th>URL</th><th>路径</th><th>所有者</th>'
-        .'<th>可见性</th><th>读 / 写</th></tr></thead><tbody>' ."\n";
+    echo '<div class="table-wrap"><table><thead><tr><th>'.manage_escape(t('manage.th_url')).'</th><th>'.manage_escape(t('manage.th_path')).'</th><th>'.manage_escape(t('manage.th_owner_visibility')).'</th>'
+        .'<th>'.manage_escape(t('manage.th_visibility')).'</th><th>'.manage_escape(t('manage.th_read_write')).'</th></tr></thead><tbody>' ."\n";
     foreach ($repositories as $repository) {
         $owner = $repository['options']['owner'] === NULL
-            ? '未设置' : $repository['options']['owner'];
+            ? t('manage.value_unset') : $repository['options']['owner'];
         echo '<tr><td><code>'.manage_escape($repository['url']).'</code></td>';
         echo '<td><code>'.manage_escape($repository['path']).'</code></td>';
         echo '<td><code>'.manage_escape($owner).'</code></td>';
-        echo '<td>'.(repository_is_private($repository) ? '私有' : '公开').'</td>';
-        echo '<td>'.($repository['options']['read'] ? '读' : '禁用读取').' / '
-            .($repository['options']['push'] ? '写' : '只读').'</td></tr>' ."\n";
+        echo '<td>'.manage_escape(repository_is_private($repository) ? t('manage.private') : t('manage.public')).'</td>';
+        echo '<td>'.manage_escape($repository['options']['read'] ? t('manage.value_read') : t('manage.value_read_disabled')).' / '
+            .manage_escape($repository['options']['push'] ? t('manage.value_write') : t('manage.value_read_only')).'</td></tr>' ."\n";
     }
     echo '</tbody></table></div></section>' ."\n";
 }
