From 3c195377d651d73b510236893fbce875f656c3b8 Mon Sep 17 00:00:00 2001
From: "mai.jh" <maijh97@gmail.com>
Date: Sun, 26 Apr 2020 11:22:47 +0800
Subject: [PATCH] Modify log output

---
 .../com/alibaba/nacos/client/config/impl/ClientWorker.java  | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/client/src/main/java/com/alibaba/nacos/client/config/impl/ClientWorker.java b/client/src/main/java/com/alibaba/nacos/client/config/impl/ClientWorker.java
index f17ddccb3..060653641 100644
--- a/client/src/main/java/com/alibaba/nacos/client/config/impl/ClientWorker.java
+++ b/client/src/main/java/com/alibaba/nacos/client/config/impl/ClientWorker.java
@@ -27,6 +27,7 @@ import com.alibaba.nacos.client.config.impl.HttpSimpleClient.HttpResult;
 import com.alibaba.nacos.client.config.utils.ContentUtils;
 import com.alibaba.nacos.client.config.utils.MD5;
 import com.alibaba.nacos.client.monitor.MetricsMonitor;
+import com.alibaba.nacos.client.naming.utils.CollectionUtils;
 import com.alibaba.nacos.client.utils.LogUtils;
 import com.alibaba.nacos.client.utils.ParamUtil;
 import com.alibaba.nacos.client.utils.TenantUtil;
@@ -519,7 +520,10 @@ public class ClientWorker {
 
                 // check server config
                 List<String> changedGroupKeys = checkUpdateDataIds(cacheDatas, inInitializingCacheList);
-                LOGGER.info("get changedGroupKeys:" + changedGroupKeys);
+                if (!CollectionUtils.isEmpty(changedGroupKeys)) {
+                    LOGGER.info("get changedGroupKeys:" + changedGroupKeys);
+                }
+
 
                 for (String groupKey : changedGroupKeys) {
                     String[] key = GroupKey.parseKey(groupKey);