diff --git a/EvernoteToNotionChrome/App.xaml.cs b/EvernoteToNotionChrome/App.xaml.cs
index 734f966..bf9d9d8 100644
--- a/EvernoteToNotionChrome/App.xaml.cs
+++ b/EvernoteToNotionChrome/App.xaml.cs
@@ -51,7 +51,7 @@ private static void InitializeCefSharp()
             //硬件加速设置
             setting.CefCommandLineArgs.Add("--enable-media-stream", "1");
             //setting.CefCommandLineArgs.Add("disable-gpu", "0");
-            setting.SetOffScreenRenderingBestPerformanceArgs();
+            //setting.SetOffScreenRenderingBestPerformanceArgs();
             //setting.CefCommandLineArgs.Add("disable-gpu", "1");
             //setting.CefCommandLineArgs.Add("disable-gpu-compositing", "1");
             //setting.CefCommandLineArgs.Add("enable-begin-frame-scheduling", "1");
diff --git a/EvernoteToNotionChrome/MainWindow.xaml b/EvernoteToNotionChrome/MainWindow.xaml
index 76655da..24f18eb 100644
--- a/EvernoteToNotionChrome/MainWindow.xaml
+++ b/EvernoteToNotionChrome/MainWindow.xaml
@@ -20,7 +20,7 @@
                 </Grid.ColumnDefinitions>
 
 
-                <Button Grid.Column="1" x:Name="TestDrag" Content="Start" Click="TestDrag_Click" Margin="10,0,0,0" Height="40" Width="100"></Button>
+                <Button Grid.Column="1" x:Name="ButtonStart" Content="Start" Click="ButtonStart_Click" Margin="10,0,0,0" Height="40" Width="100"></Button>
 
                 <StackPanel>
                     <TextBlock Text="请粘贴Everonte导出的HTML所在目录"></TextBlock>
diff --git a/EvernoteToNotionChrome/MainWindow.xaml.cs b/EvernoteToNotionChrome/MainWindow.xaml.cs
index 021279d..f728d59 100644
--- a/EvernoteToNotionChrome/MainWindow.xaml.cs
+++ b/EvernoteToNotionChrome/MainWindow.xaml.cs
@@ -64,12 +64,14 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
         }
 
 
-        private async void TestDrag_Click(object sender, RoutedEventArgs e)
+        private async void ButtonStart_Click(object sender, RoutedEventArgs e)
         {
+            ButtonStart.IsEnabled = false;
             var path = TextBoxPath.Text;
             await Task.Run(() => {
                 StartWithPath(path);
-            }); 
+            });
+            ButtonStart.IsEnabled = true;
         }
 
         private void Browser_Loaded(object sender, RoutedEventArgs e)
diff --git a/EvernoteToNotionChrome/Service/HtmlManager.cs b/EvernoteToNotionChrome/Service/HtmlManager.cs
index 55412bd..7c212a6 100644
--- a/EvernoteToNotionChrome/Service/HtmlManager.cs
+++ b/EvernoteToNotionChrome/Service/HtmlManager.cs
@@ -19,6 +19,15 @@ public static void UploadHtmlData(string filePath)
             doc.Load(filePath);
 
             var path = Path.GetDirectoryName(filePath);
+            var savePath = path + @"\Replace\" + Path.GetFileName(filePath);
+
+            if (File.Exists(savePath))
+            {
+                //已经存在 不继续处理
+                return;
+            }
+
+
             if (!Directory.Exists(path + @"\Replace\"))
             {
                 Directory.CreateDirectory(path + @"\Replace\");
@@ -87,7 +96,7 @@ public static void UploadHtmlData(string filePath)
 
             Debug.WriteLine(docString);
 
-            File.WriteAllText(path + @"\Replace\" + Path.GetFileName(filePath), docString);
+            File.WriteAllText(savePath, docString);
 
         }