$(function(){
  $(document).on("click", ".seriesDetail-label", function(){
    let _this = $(this),
        index = _this.data("index")
        item = _this.parents(".seriesDetail-item"),
        target = item.find(".seriesDetail-content[data-index=" + index + "]")
    if(!_this.hasClass("now")){
      item.find(".seriesDetail-label").removeClass("now")
      item.find(".seriesDetail-content").removeClass("now")
      _this.addClass("now")
      target.addClass("now")
    }
  })
})