为什么访问的内容不对

BaseController.php内容为

<?php
namespace app;

use app\service\Test;
use support\Request;
use support\Response;

class BaseController
{
    protected $request;

    public function __construct(Test $test)
    {
        $this->request = $test;
    }

    /**
     * 返回JSON数据
     * @param array $data
     * @return \support\Response
     */
    public function json(array $data = []) :Response
    {
        return json($data);
    }

    /**
     * 响应 string
     * @param string $string
     * @return Response
     */
    public function content(string $string = '') :Response
    {
        return response($string);
    }

    /**
     * @param $template
     * @param array $data
     * @param null $app
     * @return Response
     */
    public function view(string $template, array $data = [], $app = null):Response
    {

        return view($template, $data, $app);
    }
}

重启服务器才能生效