diff --git a/Yavsc/ApiControllers/ChatApiController.cs b/Yavsc/ApiControllers/ChatApiController.cs
index dfd794ac..f65590cd 100644
--- a/Yavsc/ApiControllers/ChatApiController.cs
+++ b/Yavsc/ApiControllers/ChatApiController.cs
@@ -34,6 +34,7 @@ namespace Yavsc.Controllers
 
                 var uid = g.Key;
                 var cxs = g.ToList();
+                if (cxs !=null)
                 if (cxs.Count>0) {
                     var user = cxs.First().Owner;
                     
diff --git a/Yavsc/Views/Home/Chat.cshtml b/Yavsc/Views/Home/Chat.cshtml
index 34bca244..dcc56379 100644
--- a/Yavsc/Views/Home/Chat.cshtml
+++ b/Yavsc/Views/Home/Chat.cshtml
@@ -56,6 +56,8 @@
                         function(users) {
                             $.each(users, function () {
                                 var user = this;
+                                var existent = $('#userlist li').filterByData("name",user.UserName);
+                                if (existent.length>0) existent.remove();
                                 var li = $('<li class="user">'+htmlEncode(user.UserName)+'</li>');
                                 var cxids = [];
                                 $.each(user.Connections,function() {
@@ -102,9 +104,7 @@
             var onUserConnected =  function (cxid, username) {
                 var connected = $('#userlist li').filterByData("name",username);
                 if (connected.length>0) {
-                    console.log(connected);
                     var ids = connected.data("cxids");
-                    console.log(ids);
                     ids.push(cxid);
                     connected.data("cxids",ids);
                 } else {