neiyou_user_web/app/Http/Middleware/CheckForMaintenanceMode.php

<?php

namespace App\Http\Middleware;

use Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode as Middleware;

class CheckForMaintenanceMode extends Middleware {
	/**
	 * The URIs that should be reachable while maintenance mode is enabled.
	 *
	 * @var array
	 */
	protected $except = [//
	];
}