[Plugin: Contact Form 7 reCAPTCHA Extension] recaptcha with contacnt form 7 keep spinning

hello, i’ve instaled the contact-form-7-recaptcha-extension, but when i test it it has a problem..

when i hit the submit button [after i input the recaptcha text of course] it keep spinning and wont submit…

i’ve already contact form 7 and wp-recaptcha activated… i choose the recaptcha from generate tag in the contact form 7…

any idea how this problem can be solved???

thx

http://wordpress.org/extend/plugins/contact-form-7-recaptcha-extension/