neiyou_user_web/app/Providers/RouteServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;
use Illuminate\Support\Facades\Route;

class RouteServiceProvider extends ServiceProvider {
	/**
	 * This namespace is applied to your controller routes.
	 *
	 * In addition, it is set as the URL generator's root namespace.
	 *
	 * @var string
	 */
	protected $namespace = 'App\Http\Controllers';

	/**
	 * Define the routes for the application.
	 *
	 * @return void
	 */
	public function map(): void {
		$this->mapApiRoutes();
		$this->mapWebRoutes();
	}

	/**
	 * Define the "api" routes for the application.
	 *
	 * These routes are typically stateless.
	 *
	 * @return void
	 */
	protected function mapApiRoutes(): void {
		Route::prefix('api')->middleware('api')->namespace($this->namespace)->group(base_path('routes/api.php'));
	}

	/**
	 * Define the "web" routes for the application.
	 *
	 * These routes all receive session state, CSRF protection, etc.
	 *
	 * @return void
	 */
	protected function mapWebRoutes(): void {
		Route::middleware('web')->namespace($this->namespace)->group(base_path('routes/web.php'));
	}
}