diff --git a/src/Editor/Ghost.Editor/View/Controls/Docking/DockGroup.cs b/src/Editor/Ghost.Editor/View/Controls/Docking/DockGroup.cs
index e3338e8..8dd3a29 100644
--- a/src/Editor/Ghost.Editor/View/Controls/Docking/DockGroup.cs
+++ b/src/Editor/Ghost.Editor/View/Controls/Docking/DockGroup.cs
@@ -111,7 +111,7 @@ public partial class DockGroup : DockContainer
 
     private void UpdateTabs()
     {
-        if (_tabView == null) return;
+        if (_tabView == null || Root == null) return;
 
         var selectedDoc = _tabView.SelectedItem is TabViewItem selectedItem ? selectedItem.Tag as DockDocument : null;