document.write("<div id='tong' style='display:none'><a href=''><img src='\/upLoad\/ad\/month_2005\/202005221805145287.png' height='348' width='822' /></a></div>");
layer.open({
type: 1,
title: false,
closeBtn: 1,
area: ['auto'],
skin: 'layui-layer-nobg', //没有背景色
shadeClose: true,
content: $('#tong')
});
leftValue = $('#layui-layer1').position().left;
console.log(leftValue+'fdsafdsafdsafdsafdsa');if(leftValue==0){
console.log(leftValue+'fdsafdsafdsafdsafdsa');	leftoff = ($(document.body).width()-$('#tong img').width())/2;
console.log($('#tong img').width()+'fdsafdsafdsafdsafdsa');	$('#layui-layer1').css('left', leftoff + 'px');
}