screen/application/admin/model/MobilePriceLog.php

<?php

namespace app\admin\model;

use think\Model;


class MobilePriceLog extends \app\common\model\MobilePriceLog
{

    public function admin()
    {
        return $this->belongsTo('Admin', 'admin_id', 'id', [], 'LEFT')->setEagerlyType(0);
    }
}