public void putEphemeral(final String key, final String value) {
        try {
            KV kvClient = client.getKVClient();
            kvClient.put(ByteSequence.from(key, UTF_8), ByteSequence.from(value, UTF_8),
                    PutOption.newBuilder().withLeaseId(globalLeaseId).build())
                    .get(timeout, TimeUnit.MILLISECONDS);
        } catch (InterruptedException | ExecutionException | TimeoutException e) {
            LOG.error("putEphemeral(key:{},value:{}) error.", key, value, e);
        }
    }
put data as ephemeral.
@param key key
@param value value
shenyu-registry/shenyu-registry-etcd/src/main/java/org/apache/shenyu/registry/etcd/EtcdClient.java