setTimeout(function() {
_g().getWidgetByName('A2_BG').startMarquee({
offset: 2,
interval: 0.3,
stopOnHover: false,
to:'top'
});
}, 500);
可以参考这个跑马灯无缝滚动https://help.fanruan.com/finereport/doc-view-1746.html?source=4#