Merge pull request #539 from ruanliang-hualun/dev

备注与实现不一致，优先使用EXTERNAL_KEY

Author: ZQKC

km-common/src/main/java/com/xiaojukeji/know/streaming/km/common/zookeeper/znode/brokers/BrokerMetadata.java

@@ -113,7 +113,7 @@ public static void parseAndUpdateBrokerMetadata(BrokerMetadata brokerMetadata) {
 
             brokerMetadata.getEndpointMap().put(endpoint.substring(0, idx1), new IpPortData(brokerHost, brokerPort));
 
-            if (KafkaConstant.EXTERNAL_KEY.equals(endpoint.substring(0, idx1))) {
+            if (KafkaConstant.INTERNAL_KEY.equals(endpoint.substring(0, idx1))) {
                 // 优先使用internal的地址进行展示
                 brokerMetadata.setHost(brokerHost);
                 brokerMetadata.setPort(ConvertUtil.string2Integer(brokerPort));