diff --git a/public/home/home.js b/public/home/home.js
index 680c32116..9598c65d7 100644
--- a/public/home/home.js
+++ b/public/home/home.js
@@ -39,7 +39,8 @@ if(document.location.host == "git.openi.org.cn" || document.URL.startsWith("http
 var socket = new WebSocket(url);
 
 socket.onopen = function () {
-    messageQueue = [];
+        messageQueue = [];
+		console.log("message has connected.");
 };
 
 var maxSize = 20;