yueke/application/admin/lang/zh-cn/video.php

<?php

return [
    'Id'              => 'ID',
    'Name'            => '标题',
    'Video_file'      => '视频地址',
    'Size'            => '视频大小',
    'Createtime'      => '发布时间',
    'Second'          => '视频时长(s)',
    'Coach_id'        => '教练id',
    'Is_show'         => '是否显示',
    'Is_show 1'       => '上架',
    'Is_show 0'       => '下架',
    'Weigh'           => '排序',
    'Coach.nickname'  => '昵称',
    'Coach.firstname' => '名',
    'Coach.lastname'  => '姓'
];