public static function getLinkUrl()
    {
        $theme = self::getCurrentTheme();
        if (
            $theme instanceof ConfigurableTheme ||
            $theme instanceof ConfigurablePlatformTheme
        ) {
            $link = $theme->getLink();
            if (! empty($link)) {
                return $link;
            }
        }


        //move this into the standard template setData()
        switch (TAO_RELEASE_STATUS) {
            case 'alpha':
            case 'demoA':
            case 'beta':
            case 'demoB':
                $link = 'https://forum.taocloud.org/';
                break;
            default:
                $link = 'http://taotesting.com';
                break;
        }

        return $link;
    }