screen/application/admin/model/GoodsSku.php

<?php

namespace app\admin\model;

use app\common\validate\KillService;
use think\db\Query;
use think\Model;

/**
 * 邮箱验证码
 */
class GoodsSku Extends \app\common\model\GoodsSku
{
    public function getAmountAttr($amount)
    {
        return $amount;
    }
}