new_que/common/config/fecshop_local_services/FecshopLang.php

<?php
/**
 * FecShop file.
 *
 * @link http://www.fecshop.com/
 *
 * @copyright Copyright (c) 2016 FecShop Software LLC
 * @license http://www.fecshop.com/license/
 */
return [
    'fecshoplang' => [
        // 默认语言。
        'defaultLangCode' => 'en',
    ],
];