php - How do I change the name of CakePHP root directory -

i want change name of root directory of cakephp install. example root called 'cakephp_website' , want change 'my_website'.

however when rename directory following error:

missing controller error: mywebsitecontroller not found.  error: create class mywebsitecontroller below in file: app\controller\mywebsitecontroller.php 

what process achieving this?

in /app/webroot/index.php /app/my_website/index.php add these lines:

define('www_root', '/full/path/to/my_website/'); define('webroot_dir', 'my_website');