Display total polls

hi , i use this code to displaye total polls

<?php if (function_exists('get_pollquestions')): ?>
    <?php get_pollquestions(); ?>
<?php endif; ?>

it’s work correctly until yesterday but now it’s on 184 and when i add a poll to my site it didnt increase , what’s the problem and how i can fix it ?

http://ww.wp.xz.cn/extend/plugins/wp-polls/