protected function createDirectory($dirPath)
    {
        // $fullPath = $this->app->config()['paths']['root']->expand($dirPath);
        
        if (!is_dir($dirPath)) {
            $this->output->writeln(sprintf(
                "<info>create  <cyan>%s</cyan></info>",
                $this->prettyPath($dirPath)
            ));
            mkdir($dirPath, 0775, true);
        }
    }