book_admin/application/admin/lang/zh-cn/manage/key.php

<?php

return [
    'Id'  =>  'ID',
    'Key'  =>  '功能key',
    'Image'  =>  '功能图片',
    'Description'  =>  '功能描述',
    'Content'  =>  '功能文案',
    'Createtime'  =>  '创建时间',
    'Updatetime'  =>  '更新时间',
    'The key has already existed' => '这个Key已存在'
];