zentao/extension/xuan/setting/ext/lang/zh-tw/xuanxuan.php

<?php
$lang->setting->common         = '聊天設置';
$lang->setting->xuanxuan       = '聊天整合';
$lang->setting->downloadXXD    = '下載聊天服務端';
$lang->setting->langs['zh-tw'] = '簡體';
$lang->setting->langs['zh-tw'] = '繁體';
$lang->setting->langs['en']    = 'English';