diff --git a/Source/Cut5/Cut5.Build.cs b/Source/Cut5/Cut5.Build.cs
index f50924a..ad74a09 100644
--- a/Source/Cut5/Cut5.Build.cs
+++ b/Source/Cut5/Cut5.Build.cs
@@ -13,7 +13,7 @@ public class Cut5 : ModuleRules
 		PrivateDependencyModuleNames.AddRange(new string[] {  });
 
 
-		PrivateDependencyModuleNames.AddRange(new string[] { "Slate", "SlateCore", "UMG", "OpenCV", "DesktopPlatform", "RuntimeAudioImporter"});
+		PrivateDependencyModuleNames.AddRange(new string[] { "Slate", "SlateCore", "UMG", "OpenCV", "DesktopPlatform"});
 		
 		// Uncomment if you are using online features
 		// PrivateDependencyModuleNames.Add("OnlineSubsystem");
diff --git a/Source/Cut5/Interface/CutMainWidgetInterface.h b/Source/Cut5/Interface/CutMainWidgetInterface.h
index d3f3f1a..c1adbfe 100644
--- a/Source/Cut5/Interface/CutMainWidgetInterface.h
+++ b/Source/Cut5/Interface/CutMainWidgetInterface.h
@@ -29,8 +29,7 @@ public:
 	virtual void OnUpdateLightArray(const TArray<FColor>& LightArray) {};
 	virtual void OnUpdatePlayers(TSharedPtr<class IWidgetInterface> TrackBody, FColor PlayerColor) {};
 	virtual void OnAddNewTrack(ETrackType Type) {};
-	virtual TObjectPtr<UAudioComponent> OnPlaySound(USoundWave* Sound, float StartTime) { return nullptr; };
-	virtual void OnStopSound(TObjectPtr<UAudioComponent> Component) {};
+
 	
 	virtual FString GetGroupName(TSharedPtr<class IWidgetInterface> WidgetInterface) { return FString(); };
 
diff --git a/Source/Cut5/Utils/OpencvUtils.cpp b/Source/Cut5/Utils/OpencvUtils.cpp
index b8a8f59..c27608c 100644
--- a/Source/Cut5/Utils/OpencvUtils.cpp
+++ b/Source/Cut5/Utils/OpencvUtils.cpp
@@ -3,9 +3,6 @@
 #include <opencv2/imgproc.hpp>
 #include <opencv2/videoio.hpp>
 
-#include "IImageWrapperModule.h"
-#include "ImageUtils.h"
-
 int32 FOpencvUtils::GetVideoFrameCount(FString VideoPath)
 {
 	cv::VideoCapture VideoCapture;
@@ -88,42 +85,3 @@ TArray<FColor> FOpencvUtils::GetVideoSingleLightColor(FString VideoPath)
 	VideoCapture.release();
 	return LightArray;
 }
-
-FString FOpencvUtils::GetVideoFrameIconName(FString VideoPath)
-{
-	cv::VideoCapture VideoCapture;
-	VideoCapture.open(TCHAR_TO_UTF8(*VideoPath));
-	TArray<FColor> LightArray;
-	while (VideoCapture.isOpened())
-	{
-		cv::Mat Array;
-		if (VideoCapture.grab())
-		{
-			VideoCapture.retrieve(Array);
-			cv::resize(Array, Array, cv::Size(600, 360));
-			uint8* RGBAData = new uint8[Array.cols * Array.rows * 4];
-			for (int i = 0; i < Array.cols * Array.rows; i++)
-			{
-				RGBAData[i * 4 + 0] = Array.data[i * 3 + 2];
-				RGBAData[i * 4 + 1] = Array.data[i * 3 + 1];
-				RGBAData[i * 4 + 2] = Array.data[i * 3 + 0];
-				RGBAData[i * 4 + 3] = 255;
-				LightArray.Add(FColor(RGBAData[i * 4 + 0], RGBAData[i * 4 + 1], RGBAData[i * 4 + 2], RGBAData[i * 4 + 3]));
-			}
-			delete[] RGBAData;
-			break;
-		}
-		if (Array.empty())
-		{
-			break;
-		}
-	}
-	VideoCapture.release();
-
-	TArray64<uint8> PNGCompress;
-	FString SavePath = FPaths::ProjectDir() + "/Temp/" + FGuid::NewGuid().ToString() + ".png";
-	FImageUtils::PNGCompressImageArray(600, 480, LightArray, PNGCompress);
-	FFileHelper::SaveArrayToFile(PNGCompress, *SavePath);
-	return SavePath;
-
-}
diff --git a/Source/Cut5/Utils/OpencvUtils.h b/Source/Cut5/Utils/OpencvUtils.h
index 73f2b11..182539f 100644
--- a/Source/Cut5/Utils/OpencvUtils.h
+++ b/Source/Cut5/Utils/OpencvUtils.h
@@ -8,6 +8,5 @@ public:
 	static int32 GetVideoFrameCount(FString VideoPath);
 	static TArray<TArray<FColor>> GetVideoFrameLightArray(FString VideoPath, int32 X, int32 Y);
 	static TArray<FColor> GetVideoSingleLightColor(FString VideoPath);
-	static FString GetVideoFrameIconName(FString VideoPath);
 };
 
diff --git a/Source/Cut5/Widgets/DefineGlobal.h b/Source/Cut5/Widgets/DefineGlobal.h
index 6343778..ad2ece4 100644
--- a/Source/Cut5/Widgets/DefineGlobal.h
+++ b/Source/Cut5/Widgets/DefineGlobal.h
@@ -8,11 +8,11 @@ class CUT5_API FGlobalData
 {
 public:
 	inline static int32 DefaultTrackHeight = 50;
-	inline static int32 TrackLength = 1000;
+	inline static int32 TrackLength = 10000;
 	inline static double DefaultTimeTickSpace = 9.0;
 	inline static int32 LightArrayX = 70;
 	inline static int32 LightArrayY = 42;
-	inline static int32 GlobalFPS = 30;
+	inline static float CurrentTimeScroll = 0.0f;
 	static int32 GetAlignOfTickSpace(double Align, bool bCeil = false)
 	{
 		return bCeil ? FMath::CeilToInt(Align / FGlobalData::DefaultTimeTickSpace) * FGlobalData::DefaultTimeTickSpace :
@@ -45,7 +45,6 @@ struct CUT5_API FTrackData
 	FSlateBrush Brush;
 	int32 TrackNum = 1;
 	TArray<FClipData> ClipData;
-
 };
 
 struct CUT5_API FClipData
@@ -99,8 +98,6 @@ struct CUT5_API FClipData
 	FString PlayerName;
 	TArray<FColor> PlayerLightData;
 
-	// Sound
-	TObjectPtr<USoundWave> Sound;
 	
 };
 struct CUT5_API FTimelinePropertyData
@@ -117,11 +114,6 @@ struct CUT5_API FTimelinePropertyData
 	// Movie Data
 	FString MoviePath = "";
 	int32 MovieFrameLength = 0;
-	FString IconPath;
-
-	// AudioData
-	TObjectPtr<USoundWave> Sound;
-
 };
 
 class CUT5_API FCutDragDropBase : public FDecoratedDragDropOp
diff --git a/Source/Cut5/Widgets/SCustomInputPanel.cpp b/Source/Cut5/Widgets/SCustomInputPanel.cpp
index 178a4b9..9df6351 100644
--- a/Source/Cut5/Widgets/SCustomInputPanel.cpp
+++ b/Source/Cut5/Widgets/SCustomInputPanel.cpp
@@ -14,7 +14,6 @@
 #undef check
 #include <opencv2/videoio.hpp>
 
-#include "RuntimeAudioImporterLibrary.h"
 #include "Cut5/Utils/OpencvUtils.h"
 BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION
 
@@ -60,45 +59,8 @@ void SCustomInputPanel::Construct(const FArguments& InArgs)
 							
 							for (int32 i = 0; i < OpenFileName.Num(); i++)
 							{
-								if (FPaths::GetExtension(OpenFileName[i]) == "mp3")
-								{
-									URuntimeAudioImporterLibrary* AudioImporter = URuntimeAudioImporterLibrary::CreateRuntimeAudioImporter();
-									AudioImporter->ImportAudioFromFile(OpenFileName[i], ERuntimeAudioFormat::Auto);
-									AudioImporter->OnResultNoDynamic.AddLambda([&, OpenFileName, i](URuntimeAudioImporterLibrary* Importer,
-									UImportedSoundWave* ImportedSoundWave, ERuntimeImportStatus Status)
-									{
-										switch (Status) 
-										{  
-										case ERuntimeImportStatus::SuccessfulImport:
-											{
-												FTimelinePropertyData PropertyData;
-												PropertyData.Name = OpenFileName[i];
-												PropertyData.Type = ETrackType::AudioTrack;
-												PropertyData.MoviePath = OpenFileName[i];
-												PropertyData.Sound = ImportedSoundWave;
-												PropertyData.MovieFrameLength = ImportedSoundWave->GetDuration() * FGlobalData::GlobalFPS;
-												
-												GridPanel->AddSlot(GridPanel->GetChildren()->Num() % 3, GridPanel->GetChildren()->Num() / 3)
-												[
-													SNew(SCustomInputResource)
-													.PropertyData(PropertyData)
-												];
-											}
-											break;
-											default:
-												break;
-										}
-									});
-									return FReply::Handled();
-								}
 								Async(EAsyncExecution::Thread, [&, this, OpenFileName, i]
 								{
-
-									if (FPaths::GetExtension(OpenFileName[i]) != "mp4")
-									{
-										
-									}
-									FString IconPath = FOpencvUtils::GetVideoFrameIconName(OpenFileName[i]);
 									cv::VideoCapture NewCapture(TCHAR_TO_UTF8(*OpenFileName[i]));
 									const int32 FrameCount = NewCapture.get(cv::CAP_PROP_FRAME_COUNT);
 									
@@ -109,7 +71,6 @@ void SCustomInputPanel::Construct(const FArguments& InArgs)
 										PropertyData.Type = ETrackType::VideoTrack;
 										PropertyData.MoviePath = OpenFileName[i];
 										PropertyData.MovieFrameLength = FrameCount;
-										PropertyData.IconPath = IconPath;
 										GridPanel->AddSlot(GridPanel->GetChildren()->Num() % 3, GridPanel->GetChildren()->Num() / 3)
 										[
 											SNew(SCustomInputResource)
@@ -137,5 +98,4 @@ FReply SCustomInputPanel::OnDrop(const FGeometry& MyGeometry, const FDragDropEve
 	return FReply::Handled().EndDragDrop();
 }
 
-
 END_SLATE_FUNCTION_BUILD_OPTIMIZATION
diff --git a/Source/Cut5/Widgets/SCustomInputPanel.h b/Source/Cut5/Widgets/SCustomInputPanel.h
index f0ddb71..b5db6e5 100644
--- a/Source/Cut5/Widgets/SCustomInputPanel.h
+++ b/Source/Cut5/Widgets/SCustomInputPanel.h
@@ -3,7 +3,6 @@
 #pragma once
 
 #include "CoreMinimal.h"
-#include "RuntimeAudioImporterLibrary.h"
 #include "Widgets/SCompoundWidget.h"
 #include "Widgets/Layout/SGridPanel.h"
 
@@ -23,7 +22,6 @@ public:
 	void Construct(const FArguments& InArgs);
 
 	virtual FReply OnDrop(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
-	
 
 	TSharedPtr<SGridPanel> GridPanel;
 };
diff --git a/Source/Cut5/Widgets/SCustomInputResource.cpp b/Source/Cut5/Widgets/SCustomInputResource.cpp
index d7bae24..2947bb1 100644
--- a/Source/Cut5/Widgets/SCustomInputResource.cpp
+++ b/Source/Cut5/Widgets/SCustomInputResource.cpp
@@ -12,7 +12,6 @@ void SCustomInputResource::Construct(const FArguments& InArgs)
 {
 	PropertyData = InArgs._PropertyData;
 	VideoCapture = InArgs._VideoCapture;
-	FSlateDynamicImageBrush* SlateDynamicImageBrush = new FSlateDynamicImageBrush(*PropertyData.IconPath, FVector2D(600, 360));
 	ChildSlot
 	[
 		SNew(SBox)
@@ -30,8 +29,9 @@ void SCustomInputResource::Construct(const FArguments& InArgs)
 			.HAlign(HAlign_Fill)
 			.VAlign(VAlign_Fill)
 			[
-				SNew(SImage).Image(SlateDynamicImageBrush)
+				SNew(SImage)
 			]
+
 		]
 	];
 
diff --git a/Source/Cut5/Widgets/SCutMainWindow.cpp b/Source/Cut5/Widgets/SCutMainWindow.cpp
index 04db513..59b7148 100644
--- a/Source/Cut5/Widgets/SCutMainWindow.cpp
+++ b/Source/Cut5/Widgets/SCutMainWindow.cpp
@@ -11,7 +11,6 @@
 #include "STimelinePropertyPanel.h"
 #include "STrackBody.h"
 #include "STrackHead.h"
-#include "Components/AudioComponent.h"
 #include "Widgets/Layout/SConstraintCanvas.h"
 #include "Widgets/Layout/SScaleBox.h"
 #include "Widgets/Views/STreeView.h"
@@ -206,24 +205,6 @@ void SCutMainWindow::OnAddNewTrack(ETrackType Type)
 	}
 }
 
-TObjectPtr<UAudioComponent> SCutMainWindow::OnPlaySound(USoundWave* Sound, float StartTime)
-{
-	UAudioComponent* AudioComponent = NewObject<UAudioComponent>();
-	AudioComponent->SetActive(true);
-	AudioComponent->Activate(true);
-	const TObjectPtr<UAudioComponent> AudioComponentPtr = AudioComponent;
-	AudioComponents.Add(AudioComponentPtr);
-	AudioComponent->SetSound(Sound);
-	AudioComponent->Play(StartTime);
-	return AudioComponentPtr;
-}
-
-void SCutMainWindow::OnStopSound(TObjectPtr<UAudioComponent> Component)
-{
-	Component->Stop();
-	AudioComponents.Remove(Component);
-}
-
 FString SCutMainWindow::GetGroupName(TSharedPtr<IWidgetInterface> WidgetInterface)
 {
 	for (FSingleTrackGroupInstance& Instance : CutTimeline->TrackGroupInstances)
diff --git a/Source/Cut5/Widgets/SCutMainWindow.h b/Source/Cut5/Widgets/SCutMainWindow.h
index 4c0ecd8..d2b0ccf 100644
--- a/Source/Cut5/Widgets/SCutMainWindow.h
+++ b/Source/Cut5/Widgets/SCutMainWindow.h
@@ -45,9 +45,5 @@ public:
 	virtual void OnUpdateLightArray(const TArray<FColor>& LightArray) override;
 	virtual void OnUpdatePlayers(TSharedPtr<class IWidgetInterface> TrackBody, FColor PlayerColor) override;
 	virtual void OnAddNewTrack(ETrackType Type) override;
-	virtual TObjectPtr<UAudioComponent> OnPlaySound(USoundWave* Sound, float StartTime) override;
-	virtual void OnStopSound(TObjectPtr<UAudioComponent> Component) override;
-	TArray<TObjectPtr<UAudioComponent>> AudioComponents;
-	
 	virtual FString GetGroupName(TSharedPtr<IWidgetInterface> WidgetInterface) override;
 };
diff --git a/Source/Cut5/Widgets/SCutTimeline.cpp b/Source/Cut5/Widgets/SCutTimeline.cpp
index bea1e19..4ae3e1e 100644
--- a/Source/Cut5/Widgets/SCutTimeline.cpp
+++ b/Source/Cut5/Widgets/SCutTimeline.cpp
@@ -164,6 +164,7 @@ void SCutTimeline::Construct(const FArguments& InArgs)
 					{
 						TrackBodyHScrollBox->SetScrollOffset(ChangedValue * TrackBodyHScrollBox->GetScrollOffsetOfEnd());
 						TickScrollBox->SetScrollOffset(ChangedValue * TickScrollBox->GetScrollOffsetOfEnd());
+						FGlobalData::CurrentTimeScroll = ChangedValue;
 					})
 				]
 				// + SVerticalBox::Slot()
@@ -222,10 +223,8 @@ void SCutTimeline::Construct(const FArguments& InArgs)
 	];
 	TrackHeadScrollBox->SetScrollBarVisibility(EVisibility::Hidden);
 
-	FTrackData AudioDataL(TEXT("音频L"), ETrackType::AudioTrack);
-	AddNewTrackToGroup(TEXT("固定轨道"), AudioDataL);
-	FTrackData AudioDataR(TEXT("音频R"), ETrackType::AudioTrack);
-	AddNewTrackToGroup(TEXT("固定轨道"), AudioDataR);
+	FTrackData AudioData(TEXT("音频"), ETrackType::AudioTrack);
+	AddNewTrackToGroup(TEXT("固定轨道"), AudioData);
 	FTrackData ProjectorData(TEXT("投影仪"), ETrackType::ProjectorTrack);
 	AddNewTrackToGroup(TEXT("固定轨道"), ProjectorData);
 	FTrackData VideoData(TEXT("视频"), ETrackType::VideoTrack);
diff --git a/Source/Cut5/Widgets/STimelineClip.cpp b/Source/Cut5/Widgets/STimelineClip.cpp
index 8649522..12ff0af 100644
--- a/Source/Cut5/Widgets/STimelineClip.cpp
+++ b/Source/Cut5/Widgets/STimelineClip.cpp
@@ -3,12 +3,11 @@
 
 #include "STimelineClip.h"
 
+#include "AudioDevice.h"
 #include "SlateOptMacros.h"
-#include "Components/AudioComponent.h"
 #include "Cut5/WidgetInterface.h"
 #include "Engine/Engine.h"
 #include "Engine/Texture2D.h"
-#include "Kismet/GameplayStatics.h"
 
 
 BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION
@@ -55,11 +54,7 @@ void STimelineClip::Construct(const FArguments& InArgs)
 
 		]
 	];
-	if (ClipData->ClipType == ETrackType::AudioTrack)
-	{
-		AudioComponent = NewObject<UAudioComponent>();
-		AudioComponent->SetSound(ClipData->Sound);
-	}
+
 }
 
 void STimelineClip::Seek(int32 Frame)
@@ -96,6 +91,7 @@ void STimelineClip::Seek(int32 Frame)
 				}
 			}
 			LastSeekFrame = SeekMovieFrame;
+			GEngine->AddOnScreenDebugMessage(-1, 10.0F, FColor::Red, FString::Printf(TEXT("Read Time: %f"), (FDateTime::Now() - A).GetTotalMilliseconds()));
 
 			cv::Mat Read;
 			ClipData->VideoCapture->retrieve(Read);
@@ -113,6 +109,7 @@ void STimelineClip::Seek(int32 Frame)
 					RGBAData[i * 4 + 2] = Read.data[i * 3 + 2];
 					RGBAData[i * 4 + 3] = 255;
 				}
+				GEngine->AddOnScreenDebugMessage(-1, 10.0F, FColor::Red, FString::Printf(TEXT("RGBA Time: %f"), (FDateTime::Now() - A).GetTotalMilliseconds()));
 				void* MipData = Texture->GetPlatformData()->Mips[0].BulkData.Lock(LOCK_READ_WRITE);
 				FMemory::Memcpy(MipData, RGBAData, Read.cols * Read.rows * 4);
 				Texture->GetPlatformData()->Mips[0].BulkData.Unlock();
@@ -146,28 +143,14 @@ void STimelineClip::Seek(int32 Frame)
 		break;
 	case ETrackType::AudioTrack:
 		{
-			const int32 Offset = Frame - (ClipData->ClipStartTime / FGlobalData::DefaultTimeTickSpace);
-			const int32 SeekMovieFrame = ClipData->VideoStartFrame + Offset;
-			if (bIsPlaying == true)
-			{
-				if (SeekMovieFrame >= ClipData->VideoEndFrame)
-				{
-					MainWidgetInterface->OnStopSound(AudioComponent);
-					AudioComponent = nullptr;
-					bIsPlaying = false;
-				}
-			}
-			else
-			{
-				AudioComponent = MainWidgetInterface->OnPlaySound(ClipData->Sound, static_cast<float>(SeekMovieFrame) / 30.0f);
-				bIsPlaying = true;
-			}
-
-			// 在UE中如何操作声音设备？
-			// 
-			
+			USoundWaveProcedural* SoundWave = NewObject<USoundWaveProcedural>();
+			SoundWave->SampleByteSize
+			FPlatformAudioCookOverrides
+			GEngine->GetMainAudioDevice()->PlaySoundAtLocation()
 		}
+		
 		break;
+		
 	default:
 		break;
 	}
diff --git a/Source/Cut5/Widgets/STimelineClip.h b/Source/Cut5/Widgets/STimelineClip.h
index 2d26f78..3b62861 100644
--- a/Source/Cut5/Widgets/STimelineClip.h
+++ b/Source/Cut5/Widgets/STimelineClip.h
@@ -39,9 +39,5 @@ public:
 	virtual FReply OnMouseMove(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
 	TSharedPtr<IWidgetInterface> Body;
 	int32 LastSeekFrame = 0;
-
-	bool bIsPlaying = false;
-	// Sound
-	TObjectPtr<UAudioComponent> AudioComponent;
 };
 
diff --git a/Source/Cut5/Widgets/STimelineTick.cpp b/Source/Cut5/Widgets/STimelineTick.cpp
index 162265c..23584a5 100644
--- a/Source/Cut5/Widgets/STimelineTick.cpp
+++ b/Source/Cut5/Widgets/STimelineTick.cpp
@@ -3,6 +3,7 @@
 
 #include "STimelineTick.h"
 
+#include "AudioDevice.h"
 #include "DefineGlobal.h"
 #include "SlateOptMacros.h"
 
@@ -24,16 +25,18 @@ void STimelineTick::Construct(const FArguments& InArgs)
 			[
 				SAssignNew(TickCursor, SImage)
 				.RenderTransform(NewRenderTransform)
+				.ColorAndOpacity(FColor(255, 255, 0, 255))
 			]
 		]
 	];
 	GenerateTickBox(FGlobalData::TrackLength / FGlobalData::DefaultTimeTickSpace);
+
 }
 
 void STimelineTick::UpdateNewCursorPosition(const float Position)
 {
 	const FSlateRenderTransform NewRenderTransform = 
-		::Concatenate(FScale2D(0.3, 29), FShear2D(0, 0), FQuat2D(FMath::DegreesToRadians(0)), FVector2D(Position, -2));
+		::Concatenate(FScale2D(0.3, 38), FShear2D(0, 0), FQuat2D(FMath::DegreesToRadians(0)), FVector2D(Position, -2));
 	if (TickCursor)
 	{
 		TickCursor->SetRenderTransform(NewRenderTransform);
@@ -43,17 +46,31 @@ void STimelineTick::UpdateNewCursorPosition(const float Position)
 
 void STimelineTick::GenerateTickBox(int32 TickCount)
 {
-	for (int32 i = 0; i < TickCount; i++)
+
+}
+
+int32 STimelineTick::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect,
+	FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle,
+	bool bParentEnabled) const
+{
+	int32 TickCount = //(FGlobalData::TrackLength * FGlobalData::CurrentTimeScroll) / FGlobalData::DefaultTimeTickSpace;
+		FGlobalData::TrackLength / FGlobalData::DefaultTimeTickSpace;
+	
+	for (int32 j = 0; j < TickCount; j++)
 	{
-		TSharedPtr<STextBlock> TickText = SNew(STextBlock).Text(FText::FromString("|"));
-		TickBox->AddSlot()
-		[
-			TickText.ToSharedRef()
-			
-		];
-		TickText->SetRenderTransform(FSlateRenderTransform(FVector2D(i * FGlobalData::DefaultTimeTickSpace, 0)));
+		const FSlateBrush Brush;
+		FSlateDrawElement::MakeBox(
+				OutDrawElements,
+				LayerId,
+				AllottedGeometry.ToPaintGeometry(FVector2f(2, TickBox->GetCachedGeometry().GetLocalSize().Y), FSlateLayoutTransform(FVector2f(TickBox->GetCachedGeometry().GetLocalPositionAtCoordinates(FVector2f(0.0, 0.0)).X + j * FGlobalData::DefaultTimeTickSpace, 0.0))),
+				&Brush,
+				ESlateDrawEffect::None,
+				FColor(255, 255, 255, 255));
 	}
 
+	
+	return SCompoundWidget::OnPaint(Args, AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, InWidgetStyle,
+	                                bParentEnabled);
 }
 
 FReply STimelineTick::OnMouseButtonDown(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
diff --git a/Source/Cut5/Widgets/STimelineTick.h b/Source/Cut5/Widgets/STimelineTick.h
index d3081fb..7fae42e 100644
--- a/Source/Cut5/Widgets/STimelineTick.h
+++ b/Source/Cut5/Widgets/STimelineTick.h
@@ -23,6 +23,7 @@ public:
 	void Construct(const FArguments& InArgs);
 	void UpdateNewCursorPosition(const float Position);
 	void GenerateTickBox(int32 TickCount);
+	virtual int32 OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const override;
 	int32 GetCursorPosition() const { return CursorPosition; };
 	TSharedPtr<SOverlay> TickBox;
 	TSharedPtr<SBox> TickLengthBox;
diff --git a/Source/Cut5/Widgets/STrackBody.cpp b/Source/Cut5/Widgets/STrackBody.cpp
index 8f717b3..0e858e4 100644
--- a/Source/Cut5/Widgets/STrackBody.cpp
+++ b/Source/Cut5/Widgets/STrackBody.cpp
@@ -91,7 +91,6 @@ FReply STrackBody::OnDrop(const FGeometry& MyGeometry, const FDragDropEvent& Dra
 		NewClipData.ClipType = ClipDragOperation.TimelinePropertyData.Type;
 		NewClipData.ClipStartTime = FMath::TruncToInt(MyGeometry.AbsoluteToLocal(DragDropEvent.GetScreenSpacePosition()).X / FGlobalData::DefaultTimeTickSpace) * FGlobalData::DefaultTimeTickSpace;
 		NewClipData.ClipColors.Add(FLinearColor(1, 1, 1, 1));
-		// 对拖拽物进行不同的操作
 		if (ClipDragOperation.TimelinePropertyData.Type == ETrackType::VideoTrack)
 		{
 			// 如果拖拽物是视频，那么对不同轨道进行不同和操作
@@ -110,19 +109,12 @@ FReply STrackBody::OnDrop(const FGeometry& MyGeometry, const FDragDropEvent& Dra
 				NewClipData.PlayerLightData = FOpencvUtils::GetVideoSingleLightColor(ClipDragOperation.TimelinePropertyData.MoviePath);
 			}
 		}
-		// 如果拖拽物是音频
-		else if (ClipDragOperation.TimelinePropertyData.Type == ETrackType::AudioTrack)
-		{
-			NewClipData.Sound = ClipDragOperation.TimelinePropertyData.Sound;
-			NewClipData.ClipEndTime = NewClipData.ClipStartTime + ClipDragOperation.TimelinePropertyData.MovieFrameLength * FGlobalData::DefaultTimeTickSpace;
-			NewClipData.VideoEndFrame = ClipDragOperation.TimelinePropertyData.MovieFrameLength;
-		}
-		else if (ClipDragOperation.TimelinePropertyData.Type == ETrackType::PlayerTrack)
+		else if (ClipDragOperation.TimelinePropertyData.Type == ETrackType::LightArrayTrack)
 		{
 			NewClipData.ClipEndTime = NewClipData.ClipStartTime + 200;
+			
 		}
 		
-		
 
 		//Overwrite the clip if it is in the same position
 		for (int32 i = TrackHead->TrackData.ClipData.Num() - 1; i >= 0; i--)