<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP:From-Https} !^on$ [NC]
RewriteCond %{HTTP_HOST} ^(www.)?xiyouleyuan.cn$ [NC]
RewriteRule ^(.*)$ https://www.xiyouleyuan.cn/$1 [R=301,L]
</IfModule>