solve proplems

    @PostMapping("/register")

    @ResponseStatus(HttpStatus.OK)

    @ApiException(CREATE_USER_ERROR)

    public Result registerUser(@RequestParam(value = "userName") String userName,

    public <T> Result registerUser(@RequestParam(value = "userName") String userName,

                                  @RequestParam(value = "userPassword") String userPassword,

                                  @RequestParam(value = "repeatPassword") String repeatPassword,

                                  @RequestParam(value = "email") String email) throws Exception {

        logger.info("user self-register, userName: {}, userPassword {}, repeatPassword {}, eamil {}",

                userName, userPassword, repeatPassword, email);

        Map<String, Object> result = usersService.registerUser(userName, userPassword, repeatPassword, email);

        logger.info("user self-register, userName: {}, userPassword {}, repeatPassword {}, email {}",

                userName, Constants.PASSWORD_DEFAULT, Constants.PASSWORD_DEFAULT, email);

        return returnDataList(result);

    }