book_admin/application/admin/lang/zh-cn/clientmanage/recommand/defaultrecommand.php

<?php

return [
    'Book_id'  =>  '书籍id',
    'Book_name'  =>  '书籍名',
    'Createtime'  =>  '创建时间',
    'Updatetime'  =>  '更新时间'
];