diff --git a/FFMpegCore/Extend/BitmapVideoFrameWrapper.cs b/FFMpegCore/Extend/BitmapVideoFrameWrapper.cs
index bc81643..678bdcb 100644
--- a/FFMpegCore/Extend/BitmapVideoFrameWrapper.cs
+++ b/FFMpegCore/Extend/BitmapVideoFrameWrapper.cs
@@ -1,11 +1,11 @@
-using FFMpegCore.Pipes;
-using System;
+using System;
 using System.Drawing;
 using System.Drawing.Imaging;
 using System.IO;
 using System.Runtime.InteropServices;
 using System.Threading;
 using System.Threading.Tasks;
+using FFMpegCore.Pipes;
 
 namespace FFMpegCore.Extend
 {