From 923f67c75b52bac43ad45d6b53514b7e2f414309 Mon Sep 17 00:00:00 2001
From: yjseo29 <youngjin2960@gmail.com>
Date: Tue, 5 Apr 2016 10:31:03 +0900
Subject: [PATCH] modify

---
 app.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app.js b/app.js
index 1f80d80..7d04e38 100644
--- a/app.js
+++ b/app.js
@@ -122,6 +122,8 @@ io.on('connection',function(socket){
 		var url = data.url;
 
 		if(rooms[url] != undefined) {
+
+			if(Object.keys(rooms[url].user_list).length)
 			socket.room = url;
 			socket.join(url);
 			socket.username = data.username;