From 846950fc34ac0bab742849e35af5701a21aa4a5e Mon Sep 17 00:00:00 2001
From: wanggang <76527413@qq.com>
Date: Fri, 15 May 2020 17:20:03 +0800
Subject: [PATCH] update

Former-commit-id: 6c3c65caa4cbf3c83670b8ebef64dc39faffb835
---
 projects/IoTCenter/wwwroot/js/message.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/projects/IoTCenter/wwwroot/js/message.js b/projects/IoTCenter/wwwroot/js/message.js
index 5ef1b22f..04bec9cc 100644
--- a/projects/IoTCenter/wwwroot/js/message.js
+++ b/projects/IoTCenter/wwwroot/js/message.js
@@ -1,6 +1,5 @@
 var connection = new signalR.HubConnectionBuilder().withUrl(hubUrl).build();
 var connectionId;
-var connectionKeeper;
 function connect() {
     console.log('check connection state :' + connection.state);
     if (connection.state === signalR.HubConnectionState.Disconnected) {