function __construct()
{
self::$path = ROOT_PATH;
self::$cfg = (include ROOT_PATH . 'config/config.php');
self::auto_include();
self::$db = new DB(self::$cfg["connect"]);
# 偵測是否為手機
$detect = new Mobile_Detect();
self::$mobile = $detect->isMobile();
self::$mobileDir = self::$mobile ? 'mobile/' : '';
new ROUTER();
self::permanent();
ROUTER::class_init();
}