config-manage/app/Models/Upgrade.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019-08-21
 * Time: 10:25
 */

namespace App\Models;


use Illuminate\Database\Eloquent\Model;

class Upgrade extends Model {
    protected $table = 'upgrade';
    protected $guarded = [];
}