let interval;

  let old;

  let startInterval = function() {

old = -1;

interval = setInterval(function() {

let currentpos = $("#REPORT4 #frozen-center")[0].scrollTop;

if (currentpos == old) {

$("#REPORT4 #frozen-center")[0].scrollTop = 0;

} else {

old = currentpos;

$("#REPORT4 #frozen-center")[0].scrollTop = currentpos + 2;

}

$("#REPORT4 #frozen-center").css('overflow-x', 'hidden');

$("#REPORT4 #frozen-center").css('overflow-y', 'hidden');

$("#REPORT4 #frozen-north").css('overflow-x', 'hidden');

$("#REPORT4 #frozen-north").css('overflow-y', 'hidden');

}, 200);

  }

  setTimeout(function() {

$("#REPORT4 #frozen-center").mouseover(function() {

clearInterval(interval);

});

// 鼠标悬停，滚动停止

$("#REPORT4 #frozen-center").mouseleave(function() {

startInterval();

});

    if(!interval) {

  startInterval();

    }

  }, 1000);

  if(!interval) {

    startInterval()

  }

大佬们这个轮播的JS想在FVS里面用要怎么改呀