fastadmin_materials_official/application/admin/lang/zh-cn/wwh/development.php

<?php

return [
    'Createtime' => '添加时间',
    'Year'       => '发展历程年份',
    'Content'    => '发展历程介绍',
    'Lang'       => '语言',
    'Lang 1'     => '简体中文',
    'Lang 2'     => 'English'
];