code: public CreateGroupResponse createGroup(String name) {
          CreateGroupResponse response;
          BeanUtil.requireNonNull(name, "name is null");
          LOG.debug("创建分组.....");
          String url = BASE_API_URL + "cgi-bin/groups/create?access_token=#";
          Map<String, Object> param = new HashMap<String, Object>();
          Map<String, Object> group = new HashMap<String, Object>();
          group.put("name", name);
          param.put("group", group);
          BaseResponse r = executePost(url, JSONUtil.toJson(param));
          String resultJson = isSuccess(r.getErrcode()) ? r.getErrmsg() : r.toJsonString();
          response = JSONUtil.toBean(resultJson, CreateGroupResponse.class);
          return response;
      }
docs: 创建分组
  
  @param name 分组名称
  @return 返回对象，包含分组的ID和名称信息