加上代码<script src="https://www.mimisucai.com/js/jquery.min.js"></script> <script type="text/javascript">$(function(){$(\‘#gobtn\‘).click(function(){location.href=\‘/\‘;});var timeNum = 5;//秒速变化setInterval(function(){timeNum = timeNum -1$(\‘#timer\‘).text(timeNum);}1000);//3秒后转向首页 setTimeout(function(){window.location = \‘/\‘;}3000);});</script>