neiyou_user_web/app/Http/Middleware/TrustHosts.php

<?php

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
	 */
	public function hosts() {
		return [
			$this->allSubdomainsOfApplicationUrl(),
		];
	}
}