document.write(`<a style="color:#2F92EE;margin-right: 10px" href="https://www.medsci.cn/link/redirect?bid=3d9e60525d&identification=medsci_web_guidelinesearch_txt" target="_blank"><span>618终极囤会员！指南会员买12享15，点击立即抢购！</span></a>`)