code: public GetQYUserInfoResponse get(String userId){
          BeanUtil.requireNonNull(userId, "userId is null");
          GetQYUserInfoResponse response;
          String url = BASE_API_URL + "cgi-bin/user/get?access_token=#&userid=" + userId;
          BaseResponse r = executeGet(url);
          String resultJson = isSuccess(r.getErrcode()) ? r.getErrmsg() : r.toJsonString();
          response = JSONUtil.toBean(resultJson, GetQYUserInfoResponse.class);
          return response;
      }
docs: 获取用户信息
  @param userId 用户ID
  @return 用户信息