smoothen chatroom change
diff --git a/chatdialog.h b/chatdialog.h
index 902316f..7428667 100644
--- a/chatdialog.h
+++ b/chatdialog.h
@@ -86,6 +86,7 @@
   int m_randomizedInterval;
   QTimer *m_timer;
   QStringListModel *m_rosterModel;
+  bool m_sendJoin;
 
   // icon related
   QAction *minimizeAction;