Someone

RewriteEngine On
        RewriteMap lowercase int:tolower
        RewriteCond %{HTTP_HOST} \.([^.]+\.[^.]+\.[^.]+)$
        RewriteRule ^(.*) http://%1$1 [R,L]
        RewriteCond %{HTTP_HOST} ^([^.]+\.[^.]+)$
        RewriteRule ^(.*) http://www.%1$1 [R,L]
        RewriteCond %{REQUEST_URI} ^/xforum/?
        RewriteRule ^/xforum/?(.*)$ /usr/local/xpanel/plugins/phpBB2/$1 [L]
        RewriteCond %{REQUEST_URI} ^/cgi-bin/
#        RewriteRule ^/(.*)$ /home/vhosts2/${lowercase:%{SERVER_NAME}}/$1 [T=application/x-httpd-cgi]
        RewriteRule ^/(.*)$ /home/vhosts/${lowercase:%{SERVER_NAME}}/$1 [T=application/x-httpd-cgi]
        RewriteRule ^/traffic /usr/local/xpanel/traffic_exceed/index.php [L]
#       VirtualDocumentRoot /home/vhosts2/%0/public_html
        VirtualDocumentRoot /home/vhosts/%0/public_html