Hi
osclass = 3.7.4
mod_rewrite is enable.
I put this code to .htaccess

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

and enable friendly url.
But It can not work for persian language!!! but work for english!!!
I'm 100% sure the problem comes from the language
Please help me for solving this problem.
Thanks

Problem comes from server settings, you must check with hosting provider, behaviour is same no matter what theme is used