diff --git a/src/AppCommon/FileTime.App.Core.Abstraction/ViewModels/Timeline/ICommandTimeStateViewModel.cs b/src/AppCommon/FileTime.App.Core.Abstraction/ViewModels/Timeline/ICommandTimeStateViewModel.cs
index 947e820..92f326f 100644
--- a/src/AppCommon/FileTime.App.Core.Abstraction/ViewModels/Timeline/ICommandTimeStateViewModel.cs
+++ b/src/AppCommon/FileTime.App.Core.Abstraction/ViewModels/Timeline/ICommandTimeStateViewModel.cs
@@ -3,6 +3,7 @@ namespace FileTime.App.Core.ViewModels.Timeline;
 public interface ICommandTimeStateViewModel
 {
     IObservable<int> TotalProgress { get; }
+    IObservable<int> CurrentProgress { get; }
     IObservable<string> DisplayLabel { get; }
     IObservable<bool> IsSelected { get; }
 }
\ No newline at end of file
diff --git a/src/AppCommon/FileTime.App.Core/ViewModels/Timeline/CommandTimeStateViewModel.cs b/src/AppCommon/FileTime.App.Core/ViewModels/Timeline/CommandTimeStateViewModel.cs
index 99e229d..ce1429f 100644
--- a/src/AppCommon/FileTime.App.Core/ViewModels/Timeline/CommandTimeStateViewModel.cs
+++ b/src/AppCommon/FileTime.App.Core/ViewModels/Timeline/CommandTimeStateViewModel.cs
@@ -6,6 +6,7 @@ namespace FileTime.App.Core.ViewModels.Timeline;
 public class CommandTimeStateViewModel : ICommandTimeStateViewModel
 {
     public IObservable<int> TotalProgress { get; }
+    public IObservable<int> CurrentProgress { get; }
 
     public IObservable<string> DisplayLabel { get; }
 
@@ -15,6 +16,7 @@ public class CommandTimeStateViewModel : ICommandTimeStateViewModel
     {
         DisplayLabel = commandTimeState.Command.DisplayLabel;
         TotalProgress = commandTimeState.Command.TotalProgress;
+        CurrentProgress = commandTimeState.Command.CurrentProgress;
         //TODO
         IsSelected = new BehaviorSubject<bool>(false);
     }
diff --git a/src/Core/FileTime.Core.Command/Copy/CopyCommand.cs b/src/Core/FileTime.Core.Command/Copy/CopyCommand.cs
index b298db4..3c077f6 100644
--- a/src/Core/FileTime.Core.Command/Copy/CopyCommand.cs
+++ b/src/Core/FileTime.Core.Command/Copy/CopyCommand.cs
@@ -19,7 +19,6 @@ public class CopyCommand : CommandBase, ITransportationCommand
     public FullName Target { get; }
 
     public TransportMode TransportMode { get; }
-    public IObservable<OperationProgress?> CurrentOperationProgress { get; }
 
     public CopyCommand(
         ITimelessContentProvider timelessContentProvider,
@@ -31,7 +30,14 @@ public class CopyCommand : CommandBase, ITransportationCommand
     {
         _timelessContentProvider = timelessContentProvider;
         _commandSchedulerNotifier = commandSchedulerNotifier;
-        CurrentOperationProgress = _currentOperationProgress.AsObservable();
+        _currentOperationProgress
+            .Select(p =>
+            {
+                if (p is null) return Observable.Never<int>();
+                return p.Progress.Select(currentProgress => (int)(currentProgress * 100 / p.TotalCount));
+            })
+            .Switch()
+            .Subscribe(SetCurrentProgress);
 
         if (sources is null) throw new ArgumentException(nameof(Sources) + " can not be null");
         if (targetFullName is null) throw new ArgumentException(nameof(Target) + " can not be null");
@@ -111,7 +117,7 @@ public class CopyCommand : CommandBase, ITransportationCommand
 
         if (Sources.Count == 1)
         {
-            SetDisplayLabel($"Copy - {Sources.First().GetName()}");
+            SetDisplayLabel($"Copy - {Sources[0].GetName()}");
         }
         else
         {
diff --git a/src/GuiApp/Avalonia/FileTime.GuiApp/Views/MainWindow.axaml b/src/GuiApp/Avalonia/FileTime.GuiApp/Views/MainWindow.axaml
index 76ea137..e70c001 100644
--- a/src/GuiApp/Avalonia/FileTime.GuiApp/Views/MainWindow.axaml
+++ b/src/GuiApp/Avalonia/FileTime.GuiApp/Views/MainWindow.axaml
@@ -279,6 +279,10 @@
                                                         <Border BorderThickness="1" Classes.SelectedTimelineCommand="{Binding IsSelected}">
                                                             <StackPanel>
                                                                 <TextBlock Text="{Binding DisplayLabel^}" />
+                                                                <ProgressBar
+                                                                    Margin="0,5,0,0"
+                                                                    Maximum="100"
+                                                                    Value="{Binding CurrentProgress^}" />
                                                                 <ProgressBar
                                                                     Margin="0,5,0,0"
                                                                     Maximum="100"