<-- Chỉnh lại html  -->
<div data-u="thumbnavigator" class="jssort121" style="position:absolute;left:0px;top:0px!important;width:40px;height:400px;overflow:hidden;cursor:default;" data-autocenter="2" data-scale-left="0.75">
    <div data-u="slides" class="slide-item">
      <div data-u="prototype" class="p" style="width:40px;height:46px;">
          <div data-u="thumbnailtemplate" class="t tuanbach"></div>
      </div>
    </div>
</div>

<-- them style -->
      <style>
         .slide-item > div{
          top: initial !important;
          left: initial !important;
          position: relative !important;
         }
      </style>



<!-- update style -->

.parentNavigator{
  top: initial !important;
}
.jssort121 {
  top: initial !important;
  transform: initial !important;
  left: initial !important;}
  .jssort121 .p {
    position: absolute;
    top: 0;
    left: 0;
    box-sizing: border-box;
    color: #fff;
    opacity: .4; }
    .jssort121 .p .t {
      position: absolute;
      margin: 0px 0;
      box-sizing: border-box;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      line-height: 24px;
      overflow: hidden; }
    .jssort121 .p .i {
      margin-right: 5px;
      position: relative;
      top: 0;
      left: 0;
      width: 40px;
      height: 40px;
      border: none;
      float: left; }
    .jssort121 .p:hover {
      color: #000;
      opacity: 1; }
    .jssort121 .p:hover.pdn {
      opacity: 1; }
  .jssort121 .pav {
    color: #000;
    background: rgba(255, 255, 255, 0.7);
    opacity: 1; }
  .jssort121 .ti {
    position: relative;
    font-size: 14px;
    font-weight: bold; }
  .jssort121 .d {
    position: relative;
    font-size: 12px; }


<!-- js code -->
  jssor_1_slider_init();

  setTimeout(function(){
    $('div[data-u="thumbnavigator"]').parent().addClass('parentNavigator');
  })