code: public ResultType setUserRemark(String openid, String remark) {
          BeanUtil.requireNonNull(openid, "openid is null");
          LOG.debug("设置关注者备注.....");
          String url = BASE_API_URL + "cgi-bin/user/info/updateremark?access_token=#";
          Map<String, String> param = new HashMap<String, String>();
          param.put("openid", openid);
          param.put("remark", remark);
          BaseResponse response = executePost(url, JSONUtil.toJson(param));
          return ResultType.get(response.getErrcode());
      }
docs: 设置关注者备注
  
  @param openid 关注者ID
  @param remark 备注内容
  @return 调用结果