screen/application/common/model/OrderVoucher.php

<?php

namespace app\common\model;

use think\Model;

/**
 * @property Orders orders
 */
class OrderVoucher extends Model
{
    protected $autoWriteTimestamp=true;

    public function orders(){
        return $this->belongsTo(Orders::class,'order_id');
    }

    public function makeAudit($pass){
        $this['status']=$pass;
        if($pass){
            $order=$this->orders;
            if($order->is_wait_pay){
                $order->makePay();
            }
        }
        $this->save();
    }
}