@Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteBySelectorIdAndUrl(final String selectorId, final String url) {
        DiscoveryHandlerDO discoveryHandlerDO = discoveryHandlerMapper.selectBySelectorId(selectorId);
        if (Objects.nonNull(discoveryHandlerDO)) {
            discoveryUpstreamMapper.deleteByUrl(discoveryHandlerDO.getId(), url);
        }
    }
update.

@param discoveryUpstreamDTO discoveryUpstreamDTO
@return the string
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/impl/DiscoveryUpstreamServiceImpl.java