public Page<Company> getCompanyListByPagenation(int page, int size, String sort) {
   String[] temp = sort.split(" ");
   Pageable pageable =
       new PageRequest(page, size, new Sort(Direction.fromStringOrNull(temp[1]), temp[0]));
   Page<Company> companys = companyDao.findAll(pageable);
   for (Company company : companys) {
     company.setLeader(userDao.findNameById((long) company.getLeadingUser()));
   }
   return companys;
 }
 public Company save(Company company) {
   company.setPhone(userDao.findPhoneById((long) company.getLeadingUser()));
   return companyDao.save(company);
 }