my site is on lunarpages,park *.kingphp.com to /wpmu is not work. but I have already achieve this features by adding these in .htaccess : RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{HTTP_HOST} ^(.*\.)?kingphp.com$ RewriteCond %{REQUEST_URI} !^/blogmu/ RewriteRule ^(.*)$ /blogmu/$1