fix: fixed #1169

src/Shared/HandyControl_Shared/Controls/Other/NotifyIcon.cs

@@ -575,6 +575,7 @@ public class NotifyIcon : FrameworkElement, IDisposable
         {
             if (_messageWindowHandle == hWnd && Visibility == Visibility.Visible)
             {
+                UpdateIcon(false);
                 UpdateIcon(true);
             }
         }