code: func (menu *Menu) GetCurrentSelfMenuInfo() (resSelfMenuInfo ResSelfMenuInfo, err error) {
  	var accessToken string
  	accessToken, err = menu.GetAccessToken()
  	if err != nil {
  		return
  	}
  	uri := fmt.Sprintf("%s?access_token=%s", menuSelfMenuInfoURL, accessToken)
  	var response []byte
  	response, err = util.HTTPGet(uri)
  	if err != nil {
  		return
  	}
  	err = json.Unmarshal(response, &resSelfMenuInfo)
  	if err != nil {
  		return
  	}
  	if resSelfMenuInfo.ErrCode != 0 {
  		err = fmt.Errorf("GetCurrentSelfMenuInfo Error , errcode=%d , errmsg=%s", resSelfMenuInfo.ErrCode, resSelfMenuInfo.ErrMsg)
  		return
  	}
  	return
  }
docs: //GetCurrentSelfMenuInfo 获取自定义菜单配置接口