document.write('<a href="https://www.cma.org.cn/module/download/downfile.jsp?classid=0&amp;filename=160c46d6da31450d9677b8b91da77cba.pdf" target="_blank" title="传染病疫情居家隔离期间儿童青少年近视防控指南">传染病疫情居家隔离期间儿童青少年近视防控指南</a>');