diff --git a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs
index 893c37a..9212d3f 100644
--- a/AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs
@@ -34,6 +34,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             PageBackground = diagramView.DiagramOption.LayoutOption.PageBackground;
             AllowDrop = diagramView.DiagramOption.LayoutOption.AllowDrop;
 
+            GenerateThumbnail = diagramView.GenerateThumbnail;
             Thumbnail = diagramView.Thumbnail?.ToBase64String();
 
             var selectedDesignerItems = diagramView.Items.OfType<DesignerItemViewModelBase>();
@@ -202,5 +203,12 @@ namespace AIStudio.Wpf.DiagramDesigner
         {
             get; set;
         }
+
+        [XmlAttribute]
+        public bool GenerateThumbnail
+        {
+
+            get;set;
+        }
     }
 }
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
index 147b9b5..0c811c8 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
@@ -876,9 +876,11 @@ namespace AIStudio.Wpf.DiagramDesigner
             DiagramOption.LayoutOption.PhysicalGridMarginSize = diagramItem.PhysicalGridMarginSize;
             DiagramOption.LayoutOption.GridColor = diagramItem.GridColor;
             DiagramOption.LayoutOption.PageBackground = diagramItem.PageBackground;
-            DiagramOption.LayoutOption.AllowDrop = diagramItem.AllowDrop;          
+            DiagramOption.LayoutOption.AllowDrop = diagramItem.AllowDrop;
 
+            GenerateThumbnail = diagramItem.GenerateThumbnail;
             Thumbnail = diagramItem.Thumbnail?.ToBrush((int)DiagramOption.LayoutOption.PageSize.Width, (int)DiagramOption.LayoutOption.PageSize.Height);
+            
             Init(true);
         }