From 502fa0dcdc7b20f3508893ce07598c458cdf3b4f Mon Sep 17 00:00:00 2001
From: caoyixiong <caoyixiong6@163.com>
Date: Mon, 24 Jun 2019 10:54:15 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=90issue=E3=80=91=20#1425?=
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---
 .../java/com/alibaba/nacos/api/naming/NamingService.java  | 8 ++++++++
 .../alibaba/nacos/client/naming/NacosNamingService.java   | 5 +++++
 2 files changed, 13 insertions(+)

diff --git a/api/src/main/java/com/alibaba/nacos/api/naming/NamingService.java b/api/src/main/java/com/alibaba/nacos/api/naming/NamingService.java
index 06cb467da..46b2f3df8 100644
--- a/api/src/main/java/com/alibaba/nacos/api/naming/NamingService.java
+++ b/api/src/main/java/com/alibaba/nacos/api/naming/NamingService.java
@@ -138,6 +138,14 @@ public interface NamingService {
      */
     void deregisterInstance(String serviceName, String groupName, String ip, int port, String clusterName) throws NacosException;
 
+    /**
+     * deregister instance with full instance information and default groupName
+     * @param serviceName
+     * @param instance
+     * @throws NacosException
+     */
+    void deregisterInstance(String serviceName, Instance instance) throws NacosException;
+
     /**
      * deregister instance with full instance information
      *
diff --git a/client/src/main/java/com/alibaba/nacos/client/naming/NacosNamingService.java b/client/src/main/java/com/alibaba/nacos/client/naming/NacosNamingService.java
index d37971441..a6f7fe65d 100644
--- a/client/src/main/java/com/alibaba/nacos/client/naming/NacosNamingService.java
+++ b/client/src/main/java/com/alibaba/nacos/client/naming/NacosNamingService.java
@@ -231,6 +231,11 @@ public class NacosNamingService implements NamingService {
         deregisterInstance(serviceName, groupName, instance);
     }
 
+    @Override
+    public void deregisterInstance(String serviceName, Instance instance) throws NacosException {
+        deregisterInstance(serviceName, Constants.DEFAULT_GROUP, instance);
+    }
+
     @Override
     public void deregisterInstance(String serviceName, String groupName, Instance instance) throws NacosException {
         beatReactor.removeBeatInfo(NamingUtils.getGroupedName(serviceName, groupName), instance.getIp(), instance.getPort());