meta问题

我这段代码怎么ie9浏览器无法正常跳转，其他浏览器都行的
function go_Url($url,$second=0)
{
echo "<META http-equiv=Content-Type content=\"text/html; charset=utf-8\"><META http-equiv=Pragma content=no-cache><META http-equiv=Cache-Control content=no-cache><META http-equiv=Expires content=0><META HTTP-EQUIV=REFRESH CONTENT=$second;URL=$url>";
exit;
}