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

<?php

return [
    'Image'  =>  '图片',
    'Sex'    =>  '频道',
    'Sex 1'  =>  '男频',
    'Sex 2'  =>  '女频',
    'Sex 3'  =>  '活动',
    'Type'   =>  '类型',
    'Type 1' =>  '大图',
    'Type 2' =>  '小图',
    'Status' =>  '状态',
    'Status 0' => '正常',
    'Status 1' => '隐藏'
];