var lunbo2 = {
    dom:null,
    count:0,
    index:0,
    interval:null,
    start:function(fun){
        var i = this.index;
        var dom = this.dom;
        this.interval = setInterval(()=>{
            i ++;
            if(i == this.count){
                i = 0;
            }
            //mui("#aa li")
            dom.each(function(k, v) {
                if(k == i){
                    v.classList.add("active");

                }else{
                    v.classList.remove("active");
                }

            });

            let top = i * 60+10;
            TweenLite.to("#block2", 0, {
                top: top,
                onComplete: (param) => {
                    fun(i);
                    //mui('#slider2').slider().gotoItem(parseInt(i));
                },
                onCompleteParams: []
            });
        },3000);
    },
    stop:function(){
        clearInterval(this.interval);
    }
}