diff --git a/WorkBench/Themes/ObjectViewerControl.xaml.cs b/WorkBench/Themes/ObjectViewerControl.xaml.cs
index 98399b1..5b7570a 100644
--- a/WorkBench/Themes/ObjectViewerControl.xaml.cs
+++ b/WorkBench/Themes/ObjectViewerControl.xaml.cs
@@ -307,7 +307,10 @@ namespace Serein.WorkBench.Themes
         /// <returns></returns>
         private TreeViewItem ConfigureTreeViewItem(object obj, MemberInfo member)
         {
-            
+            if (obj == null)
+            {
+                return null;
+            }
             #region 属性
             if (member is PropertyInfo property)
             {