diff --git a/RustTools/Editor/EditorLoad.cs b/RustTools/Editor/EditorLoad.cs
index 5cda551..e8ef08a 100644
--- a/RustTools/Editor/EditorLoad.cs
+++ b/RustTools/Editor/EditorLoad.cs
@@ -52,6 +52,7 @@ public class EditorLoad
         }
     }
 
+
     public ObservableCollection<ExplorerItem> GetData(string dir)
     {
         var list = new ObservableCollection<ExplorerItem>();
diff --git a/RustTools/Editor/EditorTreeView.cs b/RustTools/Editor/EditorTreeView.cs
index 34fa585..8587ecf 100644
--- a/RustTools/Editor/EditorTreeView.cs
+++ b/RustTools/Editor/EditorTreeView.cs
@@ -8,6 +8,7 @@ using Windows.Storage;
 using RustTools.Helpers;
 using Microsoft.UI.Xaml.Media;
 using Windows.Foundation;
+using System.Diagnostics;
 
 namespace RustTools.Editor;
 
@@ -17,33 +18,35 @@ public class EditorTreeView: TreeView
     {
         //CanDragItems = false;
         //CanReorderItems =false;
-        DragEnter += EditorTreeView_DragEnter;
+        //DragEnter += EditorTreeView_DragEnter;
         DragItemsStarting += TreeView_DragItemsStarting;
         DragItemsCompleted += EditorTreeView_DragItemsCompleted;
-        DragOver += TreeView_DragOver;
-        Drop += TreeView_Drop;
+        //DragOver += TreeView_DragOver;
+        //Drop += TreeView_Drop;
         // 在构造函数中注册事件处理程序
     }
-
-    private void EditorTreeView_DragEnter(object sender, DragEventArgs e){
-
-        gj.sc("EditorTreeView_DragEnter "+e);
-    }
-
     private void TreeView_DragItemsStarting(TreeView sender, TreeViewDragItemsStartingEventArgs e)
     {
         //gj.sc("TreeView_DragItemsStarting"+e);
-        var items = e.Items.Cast<ExplorerItem>();
-        var firstItem = items.FirstOrDefault();
+        var items = e.Items.Cast<ExplorerItem>().ToList();
+        var firstItem = items.First();
         gj.sc(firstItem.Dir);
         e.Data.SetData("path", firstItem.Dir);
         e.Data.RequestedOperation = DataPackageOperation.Move; // Use Copy to avoid moving items
     }
     private void EditorTreeView_DragItemsCompleted(TreeView sender, TreeViewDragItemsCompletedEventArgs e) {
-        var items = e.Items.Cast<ExplorerItem>();
-        var firstItem = items.FirstOrDefault();
 
-        gj.sc("放下了  " + firstItem.Dir);
+        // 获取拖拽的项
+        var items = e.Items.Cast<ExplorerItem>().ToList();
+
+        // 检查是否有至少一个项被放下
+        if (items.Any())
+        {
+            var firstItem = items.First(); // 获取第一个放下的项
+
+            // 输出放下项的信息
+            Debug.WriteLine($"放下了 {firstItem.Dir}");
+        }
     }
 
     /// <summary>
diff --git a/RustTools/Editor/EditorWin.xaml b/RustTools/Editor/EditorWin.xaml
index bcb81f4..c9e1def 100644
--- a/RustTools/Editor/EditorWin.xaml
+++ b/RustTools/Editor/EditorWin.xaml
@@ -29,7 +29,7 @@
             </DataTemplate>
 
             <DataTemplate x:Key="FileTemplate">
-                <TreeViewItem AutomationProperties.Name="{Binding Name}">
+                <TreeViewItem AutomationProperties.Name="{Binding Name}" IsExpanded="False">
                     <StackPanel Orientation="Horizontal">
                         <FontIcon Glyph="&#xE8A5;" />
                         <TextBlock Margin="0,0,10,0" />
diff --git a/RustTools/Editor/ExplorerItemTemplateSelector.cs b/RustTools/Editor/ExplorerItemTemplateSelector.cs
index ec2845f..10350b1 100644
--- a/RustTools/Editor/ExplorerItemTemplateSelector.cs
+++ b/RustTools/Editor/ExplorerItemTemplateSelector.cs
@@ -30,7 +30,7 @@ public class ExplorerItem : INotifyPropertyChanged
 {
     public enum ExplorerItemType { Folder, File };
     public event PropertyChangedEventHandler PropertyChanged;
-    public string Name
+    public string? Name
     {
         get; set;
     }
@@ -38,40 +38,31 @@ public class ExplorerItem : INotifyPropertyChanged
     {
         get; set;
     }
-    public string Dir
+    public string? Dir
     {
         get;set;
     }
-    private ObservableCollection<ExplorerItem> m_children;
+    private ObservableCollection<ExplorerItem>? m_children;
     public ObservableCollection<ExplorerItem> Children
     {
         get
         {
-            if (m_children == null)
-            {
-                m_children = new ObservableCollection<ExplorerItem>();
-            }
+            m_children ??= new ObservableCollection<ExplorerItem>();
             return m_children;
         }
-        set
-        {
-            m_children = value;
-        }
+        set => m_children = value;
     }
 
     private bool m_isExpanded;
     public bool IsExpanded
     {
-        get
-        {
-            return m_isExpanded;
-        }
+        get => m_isExpanded;
         set
         {
             if (m_isExpanded != value)
             {
                 m_isExpanded = value;
-                NotifyPropertyChanged("IsExpanded");
+                NotifyPropertyChanged(nameof(IsExpanded));
             }
         }
     }