Not work on first page

Hi
This is my page " www.cloudgood.org/component/vquiz/quizzes/survey/coursed/play " about this issue.

When I start to click "save&next"(下一步) button , it do not work. It seems only not work on "one question per
page" function. I need help , please !!

Hi,
It's a jQuery conflict, Please share your backend & FTP login credentials via Contact us form, We'll look into it.