public ServiceInfo getService(String key) {
        ServiceInfo serviceInfo = serviceMap.get(key);
        
        if (serviceInfo == null) {
            serviceInfo = new ServiceInfo();
            serviceInfo.setName(key);
        }
        
        return serviceInfo;
    }
@Test
    void testGetService() throws NacosException {
        ServiceInfo info = failoverReactor.getService("aa@@bb");
        assertEquals(new ServiceInfo("aa@@bb").toString(), info.toString());
    }