From 606a427fd3242fcebb039800a967d8adfef9a99c Mon Sep 17 00:00:00 2001
From: Administrator <admin>
Date: Fri, 07 May 2021 19:26:01 +0800
Subject: [PATCH] 1.设备列表接口修改，警情状态的排最前 2.新增设备查询的拦截器，更新设备状态

---
 blade-service/blade-jfpts/src/main/java/org/springblade/jfpt/webscoket/service/impl/PushMsgServiceImpl.java |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/blade-service/blade-jfpts/src/main/java/org/springblade/jfpt/webscoket/service/impl/PushMsgServiceImpl.java b/blade-service/blade-jfpts/src/main/java/org/springblade/jfpt/webscoket/service/impl/PushMsgServiceImpl.java
index d81b37d..9bdd843 100644
--- a/blade-service/blade-jfpts/src/main/java/org/springblade/jfpt/webscoket/service/impl/PushMsgServiceImpl.java
+++ b/blade-service/blade-jfpts/src/main/java/org/springblade/jfpt/webscoket/service/impl/PushMsgServiceImpl.java
@@ -16,7 +16,10 @@
     @Override
     public void pushMsg(String userId, String msg) {
         Channel channel = NettyConfig.getUserChannelMap().get(userId);
-        channel.writeAndFlush(new TextWebSocketFrame(msg));
+		if (channel != null){
+			channel.writeAndFlush(new TextWebSocketFrame(msg));
+		}
+
     }
 
     @Override

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