public String updateOrganizations() throws Exception {
   User user = userService.get(id);
   List<Organization> list = new ArrayList<Organization>();
   for (String code : getCheckedId()) {
     list.add(AdminHelper.toOrganization(code));
   }
   user.setOrganizations(list);
   userService.update(user);
   setJsonMessage(
       true,
       user.toString().equals("")
           ? "更新了一条记录"
           : (new StringBuffer("更新了(")).append(user).append(")的记录").toString());
   return render(jo);
 }