fix get_protocol bug.
@ -310,7 +310,7 @@ class Pico {
protected function get_protocol()
{
$protocol = 'http';
if(isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off'){
if(isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off' && $_SERVER['HTTPS'] != ''){
$protocol = 'https';
}
return $protocol;