@Override
 public void onStart() {
   super.onStart();
   if (serviceHeaderView != null) {
     serviceHeaderView.startBannerTurning();
   }
 }
 @Override
 public void onSuccess(Object obj) {
   refreshComplete();
   SystemPromotion module = (SystemPromotion) obj;
   if (serviceHeaderView != null) {
     serviceHeaderView.stopBannerTurning();
     listView.removeHeaderView(serviceHeaderView);
   }
   if (listView.getHeaderViewsCount() == 0) {
     serviceHeaderView = new ServiceHeaderView(getActivity(), module.content.banner);
     listView.addHeaderView(serviceHeaderView);
   }
   adapter = new SystemPromotionListAdapter(getActivity(), module.content.recommend);
   listView.setAdapter(adapter);
 }