layui滑动条如何隐藏

$('img.echart-trand').click(function() {

  var host = $(this).data('host');

  var role = $(this).data('role');

  console.log('host',host);

  console.log(window.width);

  var labeltitle = host;

  if(role==4)labeltitle = $(this).data('title');

  var width = $(window).width() + "px";

  var height = $(window).height() + "px";

  layer.open({

    type: 2,

    title: labeltitle + ' - 投放关系图',

    shadeClose: true,

    move: false,

    scrollbar: false, // 父页面 滚动条 禁止

    // maxmin: true,

    area: [width, height],

    // content: ['/home/index/echartTest?role=2&wd='+host,'no'], //ifrma 滚动条 禁止显示 页面

    content: ['/home/index/echartTest?role='+role+'&wd=' + host],

  });

});