public static function run()
{
$instance = self::get_instance();
//start session
QHShopSession::run();
//start qhshop proudct
QHShopProduct::run();
//start shortcode
QHShopShortCode::run();
//start setting
QHShopSetting::run();
//run widget cart
QHShopWidgetCart::run();
//khoi dong order
QHShopOrder::run();
//run widget category
QHShopWidgetCategory::run();
return $instance;
}