@Override
    public void onEvent(MembersChangeEvent event) {
        try {
            List<Member> members = serverMemberManager.allMembersWithoutSelf();
            refresh(members);
        } catch (NacosException e) {
            Loggers.CLUSTER.warn("[serverlist] fail to refresh cluster rpc client, event:{}, msg: {} ", event, e.getMessage());
        }
    }
@Test
    void testOnEvent() {
        try {
            clusterRpcClientProxy.onEvent(MembersChangeEvent.builder().build());
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }