docs: @RequestMapping(value = "api/edit/repeatNumber", method = RequestMethod.POST)
      public
      @ResponseBody
      String updateRepeatNumber(Model model, int newNum, int path_id,
                                @RequestParam(defaultValue = Constants.PROFILE_CLIENT_DEFAULT_ID) String clientUUID) throws Exception {
          logger.info("want to update repeat number of path_id={}, to newNum={}", path_id, newNum);
          editService.updateRepeatNumber(newNum, path_id, clientUUID);
          return null;
      }