$(window).ready(function () {
            var token = 'eyJocmQiOiJodHRwczovL2VnYWRpc3Ryby1mYW5zLmNvLnVrL2VkLWZvcm1zLzcwMDA0LTcwMDExMy5odG1sIiwic3ZjIjoiM0FCQkJCMUEtQTlBQy0xMUYwLUFFQzMtRDZFQjdENkJDNkJEIiwidHNwIjoxNzYwNTIxNzYzfQ==.ZUlyK0FHQzhsZldNNi9Dak9xREtxVmtUbk9OczV4V05aZWRtWXZCWXUrVT0=';
            if ($('#vv_captcha_sign').length) {
                $('#vv_captcha_sign').val(token);
            }
            else {
                $('<input>').attr({ type: 'hidden', id: 'vv_captcha_sign', name: 'vv_captcha_sign', value: token }).appendTo('#reg_form');
            }
        });