TaskSystem/app/common/model/user/Withdraw.php

<?php

namespace app\common\model\user;

use think\model;

class Withdraw extends Model
{

    public function buildOrderSn()
    {
        return 'TX' . date('YmdHis') . rand(10000, 99999);
    }

    public function user()
    {
        return $this->belongsTo(User::class, 'user_id', 'id')->bind(['account', 'nickname', 'avatar', 'company_id']);
    }

}