diff --git a/Rs.Controls/RsTray.cs b/Rs.Controls/RsTray.cs
index fc352a2..d864708 100644
--- a/Rs.Controls/RsTray.cs
+++ b/Rs.Controls/RsTray.cs
@@ -489,6 +489,15 @@ namespace Rs.Controls
             set { _Column = value; }
         }
 
+        private string _SN;
+
+        public string SN
+        {
+            get { return _SN; }
+            set { _SN = value; }
+        }
+
+
         private RectangleF _Bound;
         [XmlIgnore]
         public RectangleF Bound
diff --git a/Rs.Framework/MessageQueue.cs b/Rs.Framework/MessageQueue.cs
index 6d38598..dab88c9 100644
--- a/Rs.Framework/MessageQueue.cs
+++ b/Rs.Framework/MessageQueue.cs
@@ -32,6 +32,7 @@ namespace Rs.Framework
 
         public void Insert(string message)
         {
+            LogHelper.Debug(message);
             if (_items.Count>1000)
                 _items.TryDequeue(out _);
             MessageItem item = new MessageItem();
@@ -52,6 +53,7 @@ namespace Rs.Framework
 
         public void Warn(string errInfo)
         {
+            LogHelper.Debug(errInfo);
             if (_error.Count > 1000)
                 _error.TryDequeue(out _);
             MessageItem item = new MessageItem();