static function load($name){

		if($name == ''){
			return self::$data;
		}
		$name = Loader::getName($name,'config');
		$key = $name->app.'.'.$name->class;
		
		if(!isset(static::$data[$key])){
			// file config is exist?
			if(!file_exists($name->path)){
				user_error('Config '.$name->path.' Not Found');
				exit;
			}
			self::$data[$key] = (require_once $name->path);
		}
		return self::$data[$key];
	}