private Map<String, List<AuthParamVO>> prepareAuthParamVO(final List<String> authIds) {

        List<AuthParamDO> authPathDOList = authParamMapper.findByAuthIdList(authIds);

        return Optional.ofNullable(authPathDOList).orElseGet(ArrayList::new)
                .stream().collect(Collectors.toMap(AuthParamDO::getAuthId,
                        data -> {
                            List<AuthParamVO> dataList = new ArrayList<>();
                            AuthParamVO authParamVO = AppAuthTransfer.INSTANCE.mapToVO(data);
                            dataList.add(authParamVO);
                            return dataList;
                        }, (List<AuthParamVO> dataList1, List<AuthParamVO> dataList2) -> {
                            dataList1.addAll(dataList2);
                            return dataList1;
                        }));
    }
prepare the Map with authIds.

@param authIds auth id
@return a map consist of param vo info
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/impl/AppAuthServiceImpl.java