public Citizen getCitizenByCode(String code) {
    try {
      if (code == null) return null;
      CongDan congDan = CongDanLocalServiceUtil.findByMa(code);
      if (congDan == null) {
        log.info("=====Khong tim thaycong dan oi ma:" + code);
        return null;
      }
      return getCongDanSoap(congDan);

    } catch (Exception e) {
      // TODO: handle exception
    }
    return null;
  }