public function actionIndex($option = null)
	{
		$option = Question::displayWithQuit('Select operation', ['Update', 'Delete'], $option);
		$project = env('project');
		if($option == 'u') {
			//Question::confirm('Do are you sure update?', 1);
			$projectInput = Question::displayWithQuit('Select project', ['common', $project]);
			$project = $projectInput == 'c' ? 'common' : $project;
			$result = Environments::update($project);
			Output::arr($result, 'Result');
		} elseif($option == 'd') {
			//Question::confirm('Do are you sure delete?', 1);
			$projectInput = Question::displayWithQuit('Select project', ['common', $project]);
			$project = $projectInput == 'c' ? 'common' : $project;
			$result = Environments::delete($project);
			Output::arr($result, 'Result');
		}
	}