Hello sir i use this code in local editor to clean the url

<?php
$conf['question_mark_in_urls'] = false;
$conf['php_extension_in_urls'] = false;
$conf['category_url_style'] = 'id-name';
$conf['picture_url_style'] = 'file';
?>

everything is working fine just my facebook share image and most important the  Crypto Captcha Image is not working please tell me how to fix it.