为什么小弟我的网页会很慢

class Admin_Controller extends CI_Controller {

    public function __construct()
    {
        parent::__construct();
    $this->_init_user();
        
    }
    //初始化用户
    private function _init_user()
    {
        if(!empty($_SESSION['name']))
        {
            redirect('management');
        }
        else
        {
            redirect('login');
        }
    }

class Management extends Admin_Controller {

    public function index()
    {
        $this->load->view('management');
    }

class Login extends Admin_Controller {

    public function index()
    {
        $this->load->view('login');
    }
    
    public function logins()
    {
        if($_POST['name'] == "admin" && $_POST['passwd'] == "123456")
        {
            $_SESSION['name'] = $_POST['name'];
            redirect('management');
        }
        else
        {
            redirect('login');
        }
    }
}