XF_Index/app/Http/Middleware/TrustHosts.php

<?php
/*
 * Copyright © 2016 - 2023 筱锋xiao_lfeng. All Rights Reserved.
 * 开发开源遵循 MIT 许可，若需商用请联系开发者
 * https://www.x-lf.com/
 */

namespace App\Http\Middleware;

use Illuminate\Http\Middleware\TrustHosts as Middleware;

class TrustHosts extends Middleware
{
    /**
     * Get the host patterns that should be trusted.
     *
     * @return array<int, string|null>
     */
    public function hosts()
    {
        return [
            $this->allSubdomainsOfApplicationUrl(),
        ];
    }
}