xinglian/application/admin/lang/zh-cn/message.php

<?php

return [
    'Id'            => 'ID',
    'User_id'       => '用户ID',
    'Title'         => '消息标题',
    'Content'       => '消息内容',
    'Createtime'    => '创建时间',
    'Status'        => '状态',
    'Status 1'      => '已读',
    'Status 0'      => '未读',
    'User.username' => '用户名',
    'User.nickname' => '昵称'
];