drb/app/Model/Setting.php

<?php

namespace App\Model;

use Illuminate\Database\Eloquent\Model;

/**
 * 设置
 * Class Unit
 * @package App\Models
 */
class Setting extends Model
{
    protected $table = "setting"; //指定表
    const CREATED_AT = null;
    const UPDATED_AT = null;
    protected $dateFormat = 'U';

    const LOCK_NUMBER = 0; //是否启用锁定库存
}