diff --git a/src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs b/src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs
index 7afe5ab3..514e88e8 100644
--- a/src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs
@@ -1,4 +1,4 @@
-using System.Runtime.InteropServices;
+using System.Runtime.InteropServices;
 using HandyControl.Data;
 using HandyControl.Tools;
 using HandyControl.Tools.Helper;