add  path to app director

At now code use path app/, but i have another tree of folders, and i don't have app folder. That is why i try visit page webtools.php?_url=/migrations I  have error Warning: mkdir(): No such file or directory. This error present in  \vendor\phalcon\devtools\scripts\Phalcon\Web\Tools\controllers\MigrationsController.php on line 34 
This constants will used in MigrationsController.php on line 34