Error when not logged user add comment with google recaptcha

1. wpdiscuz.js dose not send g-recaptcha-response code, its empty (in php)

In this handle 

<code>

$(document).on('click', '.wc_comm_submit.wc_not_clicked',  function () {

</code>

wpdiscuz-recaptcha gets empty g-recaptcha-response

2. Second problem, plugin has hook 'preprocess_comment', it do, after wpdiscusm and die and  on frontpage result wrong and comment dose not send.