diff --git a/Models/VideoModel.cs b/Models/VideoModel.cs
index b8ff960..ad8cf1d 100644
--- a/Models/VideoModel.cs
+++ b/Models/VideoModel.cs
@@ -10,6 +10,7 @@ using System.Runtime.CompilerServices;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Input;
+using System.Windows.Threading;
 using System.Xml.Linq;
 using static System.Windows.Forms.VisualStyles.VisualStyleElement.Header;
 
@@ -25,7 +26,9 @@ namespace VideoConcat.Models
         private bool _isStart = false;
         private ObservableCollection<FolderInfo> _FolderInfos = [];
         private ObservableCollection<ConcatVideo> _concatVideos = [];
+        private Dispatcher _dispatcher;
 
+        public static int Index= 0;
 
         public bool IsStart
         {
@@ -38,6 +41,15 @@ namespace VideoConcat.Models
             }
         }
 
+        public Dispatcher Dispatcher
+        {
+            get => _dispatcher;
+            set
+            {
+                _dispatcher = value;
+            }
+        }
+
         public int Num
         {
             get => _num;
@@ -77,14 +89,14 @@ namespace VideoConcat.Models
         }
 
 
-        public struct ConcatVideo
+        public class ConcatVideo
         {
-            public string FileName { set; get; }
+            public int Index { set; get; }
+            public string FileName { set; get; } = "";
             public int Size { set; get; }
-            public int Seconds { set; get; }
+            public double Seconds { set; get; }
             public int Status { set; get; }
             public int Progress { set; get; }
-
         }
 
         public ObservableCollection<FolderInfo> FolderInfos
@@ -112,7 +124,16 @@ namespace VideoConcat.Models
             get { return _concatVideos; }
             set
             {
+                if (_concatVideos != null)
+                {
+                    _concatVideos.CollectionChanged -= ItemList_CollectionChanged;
+                }
                 _concatVideos = value;
+                if (_concatVideos != null)
+                {
+                    _concatVideos.CollectionChanged += ItemList_CollectionChanged;
+                }
+
                 OnPropertyChanged();
             }
         }
@@ -187,5 +208,11 @@ namespace VideoConcat.Models
                 CanStart = false;
             }
         }
+
+        public VideoModel()
+        {
+            ConcatVideos = [];
+            _dispatcher = Dispatcher.CurrentDispatcher;
+        }
     }
 }
diff --git a/ViewModels/VideoViewModel.cs b/ViewModels/VideoViewModel.cs
index 14016dc..077244d 100644
--- a/ViewModels/VideoViewModel.cs
+++ b/ViewModels/VideoViewModel.cs
@@ -6,12 +6,17 @@ using System.IO;
 using Microsoft.Expression.Drawing.Core;
 using FFMpegCore;
 using FFMpegCore.Enums;
+using static VideoConcat.Models.VideoModel;
+using System.Windows.Threading;
 
 namespace VideoConcat.ViewModels
 {
     public class VideoViewModel
     {
         private VideoModel _videoModel;
+
+        public List<ConcatVideo> ConcatVideos { get; set; } = [];
+
         public VideoModel VideoModel
         {
             get { return _videoModel; }
@@ -31,6 +36,7 @@ namespace VideoConcat.ViewModels
                 ConcatVideos = [],
                 MaxNum = 0,
                 CanStart = false,
+
                 BtnOpenFolderCommand = new Command()
                 {
                     DoExcue = obj =>
@@ -78,6 +84,10 @@ namespace VideoConcat.ViewModels
                     {
                         Task.Run(action: async () =>
                         {
+                            VideoModel.Dispatcher.Invoke(() =>
+                            {
+                                VideoModel.ConcatVideos.Clear();
+                            });
                             MessageBox.Show("开始合并视频");
                             if (Directory.Exists($"{VideoModel.FolderPath}\\output") == false)
                             {
@@ -93,7 +103,7 @@ namespace VideoConcat.ViewModels
                             List<List<string>> videoLists = [];
 
 
-                            
+
                             VideoModel.FolderInfos.ForEach(folderInfo =>
                             {
                                 videoLists.Add(folderInfo.VideoPaths);
@@ -161,18 +171,40 @@ namespace VideoConcat.ViewModels
                                 {
                                     try
                                     {
-                                        string _outPutName = $"{VideoModel.FolderPath}\\output\\{DateTime.Now:yyyyMMddHHmmss}{random.Next(100000, 999999)}.mp4";
+                                        string _tempFileName = $"{DateTime.Now:yyyyMMddHHmmss}{random.Next(100000, 999999)}.mp4";
+                                        string _outPutName = Path.Combine($"{VideoModel.FolderPath}", "output", _tempFileName); ;
 
-                                        var temporaryVideoParts = combination.Select(_ => {
+                                        //int _size = 0;
+                                        double _duration = 0;
+
+                                        var temporaryVideoParts = combination.Select(_ =>
+                                        {
                                             string _tempPath = Path.GetDirectoryName(_) ?? "";
 
+                                            IMediaAnalysis _mediaInfo =FFProbe.Analyse(_);
+                                            _duration += _mediaInfo.Duration.TotalSeconds;
+                                            
+
                                             //GlobalFFOptions.Current.TemporaryFilesFolder
                                             return Path.Combine(_tempPath, $"{Path.GetFileNameWithoutExtension(_)}{FileExtension.Ts}");
                                         }).ToArray();
                                         bool _isSuccess = false;
+                                        VideoModel.Dispatcher.Invoke(() =>
+                                        {
+                                            VideoModel.ConcatVideos.Add(new ConcatVideo()
+                                            {
+                                                Index = VideoModel.ConcatVideos.Count + 1,
+                                                FileName = _tempFileName,
+                                                Size = 100,
+                                                Seconds = _duration,
+                                                Status = 1,
+                                                Progress = 100,
+                                            });
+                                        });
+
                                         try
                                         {
-                                            _isSuccess= FFMpegArguments
+                                            _isSuccess = FFMpegArguments
                                                 .FromConcatInput(temporaryVideoParts)
                                                 .OutputToFile(_outPutName, true, options => options
                                                     .CopyChannel()
@@ -221,11 +253,11 @@ namespace VideoConcat.ViewModels
                                         }
 
 
-                                        LogUtils.Info($"当前视频{string.Join("，", combination)}合并成功");
+                                        LogUtils.Info($"当前视频： {string.Join("；", combination)}    合并成功");
                                     }
                                     catch (Exception ex)
                                     {
-                                        LogUtils.Error($"视频{string.Join("，", combination)}合并失败", ex);
+                                        LogUtils.Error($"视频：{string.Join("；", combination)}   合并失败", ex);
                                     }
                                     finally
                                     {
@@ -242,9 +274,10 @@ namespace VideoConcat.ViewModels
                                 //结束时间
                                 DateTime endTime = DateTime.Now;
                                 LogUtils.Info($"所有视频拼接完成，用时{(endTime - startTime).TotalSeconds}秒");
+
                                 VideoModel.IsStart = false;
-                                MessageBox.Show("所有视频拼接完成");
                                 VideoCombine.Cleanup(_clearPath);
+                                MessageBox.Show("所有视频拼接完成");
                             });
                         });
                     }
diff --git a/Views/Video.xaml b/Views/Video.xaml
index 9f53147..c62beb2 100644
--- a/Views/Video.xaml
+++ b/Views/Video.xaml
@@ -50,7 +50,7 @@
                 </WrapPanel>
             </StackPanel>
             <StackPanel Margin="0,5,0,0">
-                <Label>文件信息：</Label>
+                <Label FontWeight="ExtraBold" FontSize="16">文件信息：</Label>
             </StackPanel>
             <StackPanel MinHeight="100">
                 <Grid>
@@ -70,20 +70,14 @@
                 </Grid>
             </StackPanel>
             <StackPanel Margin="0,20,0,0">
-                <Label>视频合成进度：</Label>
+                <Label FontWeight="ExtraBold" FontSize="16">视频合成进度：</Label>
             </StackPanel>
             <StackPanel MinHeight="200">
 
                 <Grid>
-                    <Grid.RowDefinitions>
-                        <RowDefinition Height="Auto"></RowDefinition>
-                        <RowDefinition></RowDefinition>
-                    </Grid.RowDefinitions>
-                    <DockPanel Grid.Row="0">
-
-                    </DockPanel>
                     <DataGrid Grid.Row="1" ItemsSource="{Binding VideoModel.ConcatVideos}" AutoGenerateColumns="False" CanUserAddRows="False" CanUserDeleteRows="False" >
                         <DataGrid.Columns>
+                            <DataGridTextColumn Header="序号" Binding="{Binding Index}" Width="*"></DataGridTextColumn>
                             <DataGridTextColumn Header="文件名" Binding="{Binding FileName}" Width="*"></DataGridTextColumn>
                             <DataGridTextColumn Header="大小" Binding="{Binding Size}"  Width="*"></DataGridTextColumn>
                             <DataGridTextColumn Header="时长" Binding="{Binding Seconds}"  Width="*"></DataGridTextColumn>