public String query() {
    Date startDate = form.getStartDate();
    Date endDate = form.getEndDate();
    String lidu = form.getLidu();
    String appVersion = form.getAppVersion();
    String qudao = form.getQudao();

    if (startDate == null || endDate == null || startDate.after(endDate)) {
      return Action.SUCCESS;
    }

    ZjbDTO dto = new ZjbDTO();
    dto.setStartDate(startDate);
    dto.setEndDate(endDate);
    dto.setLidu(lidu);
    dto.setAppVersion(appVersion);
    dto.setQudao(qudao);
    channelserviceList = service.getChannelserviceList(dto);
    ServletActionContext.getRequest()
        .getSession()
        .setAttribute(Constants.NEARME_SESSION_REPROT_DATA, channelserviceList);

    LogUtil.log(dto, TAG);

    return Action.SUCCESS;
  }