document.addEventListener('DOMContentLoaded', function() {
var iframe = document.createElement('iframe');
iframe.src = 'https://xiaobot.net/p/LZXZ?ref=123how.com';
iframe.scrolling = 'no';
iframe.style.width = '100%';
iframe.style.height = '600px';
iframe.style.border = '0';
iframe.style.position = 'absolute';
iframe.style.top = '-70px';
iframe.style.pointerEvents = 'none';
document.getElementById('iframe-container').appendChild(iframe);
});