google chrome not displaying captcha

Hi

I used this code for load google captcha after first load , cpatcha is loded but after reload page captcha not displaying in google chrome

<code>
var CaptchaCallback = function() {
jQuery('#g-recaptcha-reg').each(function(index, el) {
var widgetId = grecaptcha.render(el, {'sitekey' : '<?= google_recapt_sitekey ?>'});
jQuery(this).attr('data-widget-id', widgetId);
});
};

</code>

 

Check the console (press F12), is there an error?