
if(!-e $request_filename){
rewrite ^/index.php(.*)$ /index.php?s=/$1 last;
rewrite ^/(.*)$ /index.php?s=/$1 last;
break;
}

if(!-e $request_filename){
rewrite ^/index.php(.*)$ /index.php?s=/$1 last;
rewrite ^/(.*)$ /index.php?s=/$1 last;
break;
}