@RequestMapping(value = "/mypage/modify.do", method = RequestMethod.POST)
  public String modify(@ModelAttribute("userView") UserView userView) throws Exception {
    Authentication auth = SecurityContextHolder.getContext().getAuthentication();
    String url = "";
    boolean isUser = false;

    userView.setUserId(auth.getName());

    isUser = userService.modifyUser(userView);

    if (isUser) url = "redirect:" + "/main/main.do?message=modify";
    else url = "redirect:" + "/main/main.do?message=fail";
    return url;
  }