http防盗链接：加了.htaccess文件后页面访问提示500，http.conf文件配置修改了
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} .*\.(jpg|jpeg|png|gif) [NC]
RewriteCond %{HTTP_REFERER} !^ http://localhost/.*$[NC]
RewriteRule .*error.jpg网页报错内容：
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at admin@example.com to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
