diff --git a/SpineViewer/Resources/AppResource.cs b/SpineViewer/Resources/AppResource.cs
index 7080b3f..0f076b0 100644
--- a/SpineViewer/Resources/AppResource.cs
+++ b/SpineViewer/Resources/AppResource.cs
@@ -19,6 +19,7 @@ namespace SpineViewer.Resources
         public static string Str_GeneratePreviewsTitle => Get<string>("Str_GeneratePreviewsTitle");
         public static string Str_DeletePreviewsTitle => Get<string>("Str_DeletePreviewsTitle");
         public static string Str_AddSpineObjectsTitle => Get<string>("Str_AddSpineObjectsTitle");
+        public static string Str_ReloadSpineObjectsTitle => Get<string>("Str_ReloadSpineObjectsTitle");
         public static string Str_CustomFFmpegExporterTitle => Get<string>("Str_CustomFFmpegExporterTitle");
 
         public static string Str_InfoPopup => Get<string>("Str_InfoPopup");
diff --git a/SpineViewer/Resources/Strings/en.xaml b/SpineViewer/Resources/Strings/en.xaml
index 411d34d..2b1301e 100644
--- a/SpineViewer/Resources/Strings/en.xaml
+++ b/SpineViewer/Resources/Strings/en.xaml
@@ -36,9 +36,10 @@
     <s:String x:Key="Str_ListViewStatusBar">{0} items, {1} selected</s:String>
     <s:String x:Key="Str_AddSpineObject">Add...</s:String>
     <s:String x:Key="Str_RemoveSpineObject">Remove</s:String>
+    <s:String x:Key="Str_AddSpineObjectFromClipboard">Add from Clipboard</s:String>
+    <s:String x:Key="Str_Reload">Reload</s:String>
     <s:String x:Key="Str_MoveUpSpineObject">Move Up</s:String>
     <s:String x:Key="Str_MoveDownSpineObject">Move Down</s:String>
-    <s:String x:Key="Str_AddSpineObjectFromClipboard">Add from Clipboard</s:String>
     <s:String x:Key="Str_CopySpineObjectConfig">Copy Config</s:String>
     <s:String x:Key="Str_ApplySpineObjectConfig">Apply Config</s:String>
     <s:String x:Key="Str_SaveSpineObjectConfigToFile">Save Config to File...</s:String>
@@ -120,6 +121,7 @@
     <s:String x:Key="Str_GeneratePreviewsTitle">Generate Previews</s:String>
     <s:String x:Key="Str_DeletePreviewsTitle">Delete Previews</s:String>
     <s:String x:Key="Str_AddSpineObjectsTitle">Batch Add Spine Files</s:String>
+    <s:String x:Key="Str_ReloadSpineObjectsTitle">Reload Spine Files</s:String>
 
     <s:String x:Key="Str_InfoPopup">Information</s:String>
     <s:String x:Key="Str_WarnPopup">Warning</s:String>
diff --git a/SpineViewer/Resources/Strings/ja.xaml b/SpineViewer/Resources/Strings/ja.xaml
index 52c3263..50d9bab 100644
--- a/SpineViewer/Resources/Strings/ja.xaml
+++ b/SpineViewer/Resources/Strings/ja.xaml
@@ -36,9 +36,10 @@
     <s:String x:Key="Str_ListViewStatusBar">全{0}件、選択中{1}件</s:String>
     <s:String x:Key="Str_AddSpineObject">追加...</s:String>
     <s:String x:Key="Str_RemoveSpineObject">削除</s:String>
+    <s:String x:Key="Str_AddSpineObjectFromClipboard">クリップボードから追加</s:String>
+    <s:String x:Key="Str_Reload">再読み込み</s:String>
     <s:String x:Key="Str_MoveUpSpineObject">上へ移動</s:String>
     <s:String x:Key="Str_MoveDownSpineObject">下へ移動</s:String>
-    <s:String x:Key="Str_AddSpineObjectFromClipboard">クリップボードから追加</s:String>
     <s:String x:Key="Str_CopySpineObjectConfig">パラメーターをコピー</s:String>
     <s:String x:Key="Str_ApplySpineObjectConfig">パラメーターを適用</s:String>
     <s:String x:Key="Str_SaveSpineObjectConfigToFile">パラメータファイルを保存...</s:String>
@@ -120,6 +121,7 @@
     <s:String x:Key="Str_GeneratePreviewsTitle">プレビューを生成</s:String>
     <s:String x:Key="Str_DeletePreviewsTitle">プレビューを削除</s:String>
     <s:String x:Key="Str_AddSpineObjectsTitle">一括でスケルトンファイルを追加</s:String>
+    <s:String x:Key="Str_ReloadSpineObjectsTitle">スケルトンファイルの再読み込み</s:String>
 
     <s:String x:Key="Str_InfoPopup">情報</s:String>
     <s:String x:Key="Str_WarnPopup">警告</s:String>
diff --git a/SpineViewer/Resources/Strings/zh.xaml b/SpineViewer/Resources/Strings/zh.xaml
index dd75549..789e986 100644
--- a/SpineViewer/Resources/Strings/zh.xaml
+++ b/SpineViewer/Resources/Strings/zh.xaml
@@ -36,9 +36,10 @@
     <s:String x:Key="Str_ListViewStatusBar">共 {0} 项，已选择 {1} 项</s:String>
     <s:String x:Key="Str_AddSpineObject">添加...</s:String>
     <s:String x:Key="Str_RemoveSpineObject">移除</s:String>
+    <s:String x:Key="Str_AddSpineObjectFromClipboard">从剪贴板添加</s:String>
+    <s:String x:Key="Str_Reload">重新加载</s:String>
     <s:String x:Key="Str_MoveUpSpineObject">上移</s:String>
     <s:String x:Key="Str_MoveDownSpineObject">下移</s:String>
-    <s:String x:Key="Str_AddSpineObjectFromClipboard">从剪贴板添加</s:String>
     <s:String x:Key="Str_CopySpineObjectConfig">复制参数</s:String>
     <s:String x:Key="Str_ApplySpineObjectConfig">应用参数</s:String>
     <s:String x:Key="Str_SaveSpineObjectConfigToFile">保存参数文件...</s:String>
@@ -120,6 +121,7 @@
     <s:String x:Key="Str_GeneratePreviewsTitle">生成预览图</s:String>
     <s:String x:Key="Str_DeletePreviewsTitle">删除预览图</s:String>
     <s:String x:Key="Str_AddSpineObjectsTitle">批量添加骨骼文件</s:String>
+    <s:String x:Key="Str_ReloadSpineObjectsTitle">重新加载骨骼文件</s:String>
 
     <s:String x:Key="Str_InfoPopup">提示信息</s:String>
     <s:String x:Key="Str_WarnPopup">警告信息</s:String>
diff --git a/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs b/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
index ac6db0f..c87bf5a 100644
--- a/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
@@ -15,6 +15,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows;
+using System.Windows.Shapes;
 using System.Windows.Shell;
 
 namespace SpineViewer.ViewModels.MainWindow
@@ -111,7 +112,7 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private void RemoveSpineObject_Execute(IList? args)
         {
-            if (args is null) return;
+            if (!RemoveSpineObject_CanExecute(args)) return;
 
             if (args.Count > 1)
             {
@@ -137,6 +138,121 @@ namespace SpineViewer.ViewModels.MainWindow
             return true;
         }
 
+        /// <summary>
+        /// 从剪贴板文件列表添加模型
+        /// </summary>
+        public RelayCommand Cmd_AddSpineObjectFromClipboard => _cmd_AddSpineObjectFromClipboard ??= new(AddSpineObjectFromClipboard_Execute);
+        private RelayCommand? _cmd_AddSpineObjectFromClipboard;
+
+        private void AddSpineObjectFromClipboard_Execute()
+        {
+            if (!Clipboard.ContainsFileDropList()) return;
+            AddSpineObjectFromFileList(Clipboard.GetFileDropList().Cast<string>().ToArray());
+        }
+
+        /// <summary>
+        /// 重新加载模型
+        /// </summary>
+        public RelayCommand<IList?> Cmd_ReloadSpineObject => _cmd_ReloadSpineObject ??= new(ReloadSpineObject_Execute, ReloadSpineObject_CanExecute);
+        private RelayCommand<IList?>? _cmd_ReloadSpineObject;
+
+        private void ReloadSpineObject_Execute(IList? args)
+        {
+            if (!ReloadSpineObject_CanExecute(args)) return;
+
+            if (args.Count <= 1)
+            {
+                lock (_spineObjectModels.Lock)
+                {
+                    var sp = (SpineObjectModel)args[0];
+                    var idx = _spineObjectModels.IndexOf(sp);
+                    if (idx < 0) return;
+
+                    try
+                    {
+                        var spNew = new SpineObjectModel(sp.SkelPath, sp.AtlasPath);
+                        spNew.Load(sp.Dump());
+                        _spineObjectModels[idx] = spNew;
+                        sp.Dispose();
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.Error("Failed to reload spine {0}, {1}", sp.SkelPath, ex.Message);
+                        _logger.Trace(ex.ToString());
+                    }
+                }
+            }
+            else
+            {
+                ProgressService.RunAsync((pr, ct) => ReloadSpineObjectsTask(
+                    args.Cast<SpineObjectModel>().ToArray(), pr, ct),
+                    AppResource.Str_ReloadSpineObjectsTitle
+                );
+            }
+        }
+
+        private bool ReloadSpineObject_CanExecute(IList? args)
+        {
+            if (args is null) return false;
+            if (args.Count <= 0) return false;
+            return true;
+        }
+
+        private void ReloadSpineObjectsTask(SpineObjectModel[] spines, IProgressReporter reporter, CancellationToken ct)
+        {
+            int totalCount = spines.Length;
+            int success = 0;
+            int error = 0;
+
+            _vmMain.ProgressState = TaskbarItemProgressState.Normal;
+            _vmMain.ProgressValue = 0;
+
+            reporter.Total = totalCount;
+            reporter.Done = 0;
+            reporter.ProgressText = $"[0/{totalCount}]";
+            for (int i = 0; i < totalCount; i++)
+            {
+                if (ct.IsCancellationRequested) break;
+
+                var sp = spines[i];
+                reporter.ProgressText = $"[{i}/{totalCount}] {sp.Name}";
+
+                lock (_spineObjectModels.Lock)
+                {
+                    var idx = _spineObjectModels.IndexOf(sp);
+                    if (idx >= 0)
+                    {
+                        try
+                        {
+                            var spNew = new SpineObjectModel(sp.SkelPath, sp.AtlasPath);
+                            spNew.Load(sp.Dump());
+                            _spineObjectModels[idx] = spNew;
+                            sp.Dispose();
+                            success++;
+                        }
+                        catch (Exception ex)
+                        {
+                            error++;
+                            _logger.Error("Failed to reload spine {0}, {1}", sp.SkelPath, ex.Message);
+                            _logger.Trace(ex.ToString());
+                        }
+                    }
+                }
+
+                reporter.Done = i + 1;
+                reporter.ProgressText = $"[{i + 1}/{totalCount}] {sp.Name}";
+                _vmMain.ProgressValue = (i + 1f) / totalCount;
+            }
+            _vmMain.ProgressState = TaskbarItemProgressState.None;
+
+            if (error > 0)
+                _logger.Warn("Batch reload {0} successfully, {1} failed", success, error);
+            else
+                _logger.Info("{0} skel reloaded successfully", success);
+
+            _logger.LogCurrentProcessMemoryUsage();
+        }
+
         /// <summary>
         /// 模型上移一位
         /// </summary>
@@ -145,8 +261,7 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private void MoveUpSpineObject_Execute(IList? args)
         {
-            if (args is null) return;
-            if (args.Count != 1) return;
+            if (!MoveUpSpineObject_CanExecute(args)) return;
             var sp = (SpineObjectModel)args[0];
             lock (_spineObjectModels.Lock)
             {
@@ -171,8 +286,7 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private void MoveDownSpineObject_Execute(IList? args)
         {
-            if (args is null) return;
-            if (args.Count != 1) return;
+            if (!MoveDownSpineObject_CanExecute(args)) return;
             var sp = (SpineObjectModel)args[0];
             lock (_spineObjectModels.Lock)
             {
@@ -189,18 +303,6 @@ namespace SpineViewer.ViewModels.MainWindow
             return true;
         }
 
-        /// <summary>
-        /// 从剪贴板文件列表添加模型
-        /// </summary>
-        public RelayCommand Cmd_AddSpineObjectFromClipboard => _cmd_AddSpineObjectFromClipboard ??= new(AddSpineObjectFromClipboard_Execute);
-        private RelayCommand? _cmd_AddSpineObjectFromClipboard;
-
-        private void AddSpineObjectFromClipboard_Execute()
-        {
-            if (!Clipboard.ContainsFileDropList()) return;
-            AddSpineObjectFromFileList(Clipboard.GetFileDropList().Cast<string>().ToArray());
-        }
-
         /// <summary>
         /// 复制模型参数
         /// </summary>
@@ -209,8 +311,7 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private void CopySpineObjectConfig_Execute(IList? args)
         {
-            if (args is null) return;
-            if (args.Count != 1) return;
+            if (!CopySpineObjectConfig_CanExecute(args)) return;
             var sp = (SpineObjectModel)args[0];
             _copiedSpineObjectConfigModel = sp.Dump();
             _logger.Info("Copy config from model: {0}", sp.Name);
@@ -231,9 +332,7 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private void ApplySpineObjectConfig_Execute(IList? args)
         {
-            if (_copiedSpineObjectConfigModel is null) return;
-            if (args is null) return;
-            if (args.Count <= 0) return;
+            if (!ApplySpineObjectConfig_CanExecute(args)) return;
             foreach (SpineObjectModel sp in args)
             {
                 sp.Load(_copiedSpineObjectConfigModel);
diff --git a/SpineViewer/ViewModels/ProgressDialogViewModel.cs b/SpineViewer/ViewModels/ProgressDialogViewModel.cs
index 982d80f..a677704 100644
--- a/SpineViewer/ViewModels/ProgressDialogViewModel.cs
+++ b/SpineViewer/ViewModels/ProgressDialogViewModel.cs
@@ -63,6 +63,7 @@ namespace SpineViewer.ViewModels
 
         private void Cancel_Execute()
         {
+            if (!Cancel_CanExecute()) return;
             if (!MessagePopupService.Quest(AppResource.Str_CancelQuest)) return;
             _cts.Cancel();
             Cmd_Cancel.NotifyCanExecuteChanged();
diff --git a/SpineViewer/Views/MainWindow.xaml b/SpineViewer/Views/MainWindow.xaml
index d6a82c1..12334c1 100644
--- a/SpineViewer/Views/MainWindow.xaml
+++ b/SpineViewer/Views/MainWindow.xaml
@@ -246,9 +246,10 @@
                                             <ListView.InputBindings>
                                                 <KeyBinding Gesture="Ctrl+O" Command="{Binding Cmd_AddSpineObject}"/>
                                                 <KeyBinding Gesture="Delete" Command="{Binding Cmd_RemoveSpineObject}" CommandParameter="{Binding SelectedItems, ElementName=_spinesListView}"/>
+                                                <KeyBinding Gesture="Ctrl+V" Command="{Binding Cmd_AddSpineObjectFromClipboard}"/>
+                                                <KeyBinding Gesture="Ctrl+R" Command="{Binding Cmd_ReloadSpineObject}" CommandParameter="{Binding SelectedItems, ElementName=_spinesListView}"/>
                                                 <KeyBinding Gesture="Alt+W" Command="{Binding Cmd_MoveUpSpineObject}" CommandParameter="{Binding SelectedItems, ElementName=_spinesListView}"/>
                                                 <KeyBinding Gesture="Alt+S" Command="{Binding Cmd_MoveDownSpineObject}" CommandParameter="{Binding SelectedItems, ElementName=_spinesListView}"/>
-                                                <KeyBinding Gesture="Ctrl+V" Command="{Binding Cmd_AddSpineObjectFromClipboard}"/>
                                                 <KeyBinding Gesture="Ctrl+Shift+C" Command="{Binding Cmd_CopySpineObjectConfig}" CommandParameter="{Binding SelectedItems, ElementName=_spinesListView}"/>
                                                 <KeyBinding Gesture="Ctrl+Shift+V" Command="{Binding Cmd_ApplySpineObjectConfig}" CommandParameter="{Binding SelectedItems, ElementName=_spinesListView}"/>
                                             </ListView.InputBindings>
@@ -262,6 +263,13 @@
                                                               InputGestureText="Delete"
                                                               Command="{Binding Cmd_RemoveSpineObject}"
                                                               CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
+                                                    <MenuItem Header="{DynamicResource Str_AddSpineObjectFromClipboard}"
+                                                              InputGestureText="Ctrl+V"
+                                                              Command="{Binding Cmd_AddSpineObjectFromClipboard}"/>
+                                                    <MenuItem Header="{DynamicResource Str_Reload}"
+                                                              InputGestureText="Ctrl+R"
+                                                              Command="{Binding Cmd_ReloadSpineObject}"
+                                                              CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
                                                     <Separator/>
                                                     <MenuItem Header="{DynamicResource Str_MoveUpSpineObject}"
                                                               InputGestureText="Alt+W"
@@ -272,10 +280,6 @@
                                                               Command="{Binding Cmd_MoveDownSpineObject}"
                                                               CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
                                                     <Separator/>
-                                                    <MenuItem Header="{DynamicResource Str_AddSpineObjectFromClipboard}"
-                                                              InputGestureText="Ctrl+V"
-                                                              Command="{Binding Cmd_AddSpineObjectFromClipboard}"/>
-                                                    <Separator/>
                                                     <MenuItem Header="{DynamicResource Str_CopySpineObjectConfig}"
                                                               InputGestureText="Ctrl+Shift+C"
                                                               Command="{Binding Cmd_CopySpineObjectConfig}"