Visits index.php to make a mistake ！！！

[k999]

My forum
http://www.pin-a.com/
may visit

http://www.pin-a.com/index.php
to make a mistake normally

This is my .htaccess：
————————————————————————————————————
RewriteEngine on
RewriteCond %{HTTP_HOST} ^(www.)?pin-a.com$
RewriteCond %{REQUEST_URI} !^/www/pin-a/
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ /www/pin-a/$1
RewriteCond %{HTTP_HOST} ^(www.)?pin-a.com$
RewriteRule ^(/|/index.php)?$ www/pin-a/index.php [L]
————————————————————————————————————