From 7022fce8e4168991f0d5b53eb83f8a5d36ff11cc Mon Sep 17 00:00:00 2001
From: saleson <qlichunyu@163.com>
Date: Wed, 10 Jan 2018 22:18:25 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=83=A8=E5=88=86bug?=
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---
 .../main/java/com/fm/gray/client/BaseGrayManager.java    | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fm-cloud/fm-cloud-plugins/fm-cloud-graybunny/src/main/java/com/fm/gray/client/BaseGrayManager.java b/fm-cloud/fm-cloud-plugins/fm-cloud-graybunny/src/main/java/com/fm/gray/client/BaseGrayManager.java
index 427fdbf..0cf78fc 100644
--- a/fm-cloud/fm-cloud-plugins/fm-cloud-graybunny/src/main/java/com/fm/gray/client/BaseGrayManager.java
+++ b/fm-cloud/fm-cloud-plugins/fm-cloud-graybunny/src/main/java/com/fm/gray/client/BaseGrayManager.java
@@ -31,7 +31,12 @@ public void openForWork() {
     @Override
     public List<GrayService> listGrayService() {
         if (grayServiceMap == null) {
-            updateGrayServices(super.listGrayService());
+            List<GrayService> grayServices = super.listGrayService();
+            if (grayServices == null) {
+                return null;
+
+            }
+            updateGrayServices(grayServices);
         }
         return new ArrayList<>(grayServiceMap.values());
     }
@@ -64,7 +69,7 @@ protected void serviceShutdown() {
 
     @Override
     public void updateGrayServices(Collection<GrayService> grayServices) {
-        if(grayServices==null){
+        if (grayServices == null) {
             return;
         }
         Map<String, GrayService> grayMap = new HashMap<>();