Custom post type not Display Highest Rated Post

Hi, I use rating only on custom post type name ‘gp_user_review’
and I want use this code.. to show Highest Rated Post of my custom post type

<?php if (function_exists(‘get_highest_rated’)): ?>

<?php get_highest_rated(); ?>

<?php endif; ?>

but nothings show on that page 🙁
Could you please tell me what should I do?

I try to change post_type in Plugin PHP file but not work.
If really need to edit PHP file, Could you please guide me which place I should take a look…

Thank you for this great plugin 😀

https://ww.wp.xz.cn/plugins/wp-postratings/