diff --git a/MainWindow.xaml b/MainWindow.xaml
index 756db7d..8159381 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -42,6 +42,10 @@
                 Click="ApplyOrderButton_Click"
                 Content="应用并保存"
                 IsEnabled="{Binding HasOriginalFile}" />
+            <Button
+                Name="ToggleTopmostButton"
+                Click="ToggleTopmostButton_Click"
+                Content="{Binding TopmostButtonText}" />
         </ToolBar>
 
         <!--  主内容区域  -->
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 8240b24..4e95147 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -19,6 +19,9 @@ namespace DrillTools
             var viewModel = new MainWindowViewModel();
             DataContext = viewModel;
             InitializeDragDrop();
+
+            // 设置默认置顶状态
+            this.Topmost = viewModel.IsTopmost;
         }
 
         /// <summary>
@@ -141,6 +144,15 @@ namespace DrillTools
             ViewModel.MoveSelectedToolDown();
         }
 
+        /// <summary>
+        /// 置顶按钮点击事件
+        /// </summary>
+        private void ToggleTopmostButton_Click(object sender, RoutedEventArgs e)
+        {
+            ViewModel.ToggleTopmost();
+            this.Topmost = ViewModel.IsTopmost;
+        }
+
         /// <summary>
         /// 刀具列表双击事件
         /// </summary>
diff --git a/MainWindowViewModel.cs b/MainWindowViewModel.cs
index dad54eb..b37674a 100644
--- a/MainWindowViewModel.cs
+++ b/MainWindowViewModel.cs
@@ -25,6 +25,7 @@ namespace DrillTools
         private bool _canMoveUp;
         private bool _canMoveDown;
         private string _originalFilePath = string.Empty;
+        private bool _isTopmost = true; // 默认置顶
 
         /// <summary>
         /// 刀具列表
@@ -107,6 +108,27 @@ namespace DrillTools
         /// </summary>
         public bool HasOriginalFile => !string.IsNullOrEmpty(OriginalFilePath);
 
+        /// <summary>
+        /// 窗口是否置顶
+        /// </summary>
+        public bool IsTopmost
+        {
+            get => _isTopmost;
+            set
+            {
+                if (SetProperty(ref _isTopmost, value))
+                {
+                    // 当IsTopmost改变时，通知TopmostButtonText属性也已更改
+                    OnPropertyChanged(nameof(TopmostButtonText));
+                }
+            }
+        }
+
+        /// <summary>
+        /// 置顶按钮显示文本
+        /// </summary>
+        public string TopmostButtonText => IsTopmost ? "取消置顶" : "窗口置顶";
+
         /// <summary>
         /// 从钻带内容加载刀具信息
         /// </summary>
@@ -1223,7 +1245,7 @@ M30";
 
             try
             {
-                // 使用ANSI编码读取文件
+                // 使用ANSI编码
                 Encoding ansiEncoding;
                 try
                 {
@@ -1234,7 +1256,26 @@ M30";
                     ansiEncoding = Encoding.Default; // 如果获取失败，使用系统默认编码
                 }
 
-                string[] lines = File.ReadAllLines(sortFilePath, ansiEncoding);
+                // 使用 cmd 命令读取-sort.txt文件，参考钻带文件读取方法
+                var process = new Process
+                {
+                    StartInfo = new ProcessStartInfo
+                    {
+                        FileName = "cmd.exe",
+                        Arguments = $"/c type \"{sortFilePath}\"",
+                        RedirectStandardOutput = true,
+                        UseShellExecute = false,
+                        CreateNoWindow = true,
+                        StandardOutputEncoding = ansiEncoding
+                    }
+                };
+
+                process.Start();
+                string fileContent = process.StandardOutput.ReadToEnd();
+                process.WaitForExit();
+
+                // 按行分割内容
+                string[] lines = fileContent.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
 
                 foreach (string line in lines)
                 {
@@ -1293,5 +1334,13 @@ M30";
                 tools.Add(tool);
             }
         }
+
+        /// <summary>
+        /// 切换窗口置顶状态
+        /// </summary>
+        public void ToggleTopmost()
+        {
+            IsTopmost = !IsTopmost;
+        }
     }
 }
\ No newline at end of file