diff --git a/SpineViewer/Models/PreferenceModel.cs b/SpineViewer/Models/PreferenceModel.cs
index 2a90d8a..afe9d3f 100644
--- a/SpineViewer/Models/PreferenceModel.cs
+++ b/SpineViewer/Models/PreferenceModel.cs
@@ -80,41 +80,5 @@ namespace SpineViewer.Models
         private AppLanguage _appLanguage;
 
         #endregion
-
-        #region 序列化与反序列
-
-        /// <summary>
-        /// 保存 Json 文件的格式参数
-        /// </summary>
-        private static readonly JsonSerializerOptions _jsonOptions = new()
-        {
-            WriteIndented = true,
-            Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
-            AllowTrailingCommas = true,
-            ReadCommentHandling = JsonCommentHandling.Skip
-        };
-
-        /// <summary>
-        /// 从文件反序列对象, 可能抛出异常
-        /// </summary>
-        public static PreferenceModel Deserialize(string path)
-        {
-            if (!File.Exists(path)) throw new FileNotFoundException("Preference file not found", path);
-            var json = File.ReadAllText(path, Encoding.UTF8);
-            var model = JsonSerializer.Deserialize<PreferenceModel>(json, _jsonOptions);
-            return model ?? throw new JsonException($"null data in file '{path}'");
-        }
-
-        /// <summary>
-        /// 保存至文件, 可能抛出异常
-        /// </summary>
-        public void Serialize(string path)
-        {
-            Directory.CreateDirectory(Path.GetDirectoryName(path));
-            var json = JsonSerializer.Serialize(this, _jsonOptions);
-            File.WriteAllText(path, json, Encoding.UTF8);
-        }
-
-        #endregion
     }
 }
diff --git a/SpineViewer/Models/SpineObjectConfigModel.cs b/SpineViewer/Models/SpineObjectConfigModel.cs
index b776704..27a1730 100644
--- a/SpineViewer/Models/SpineObjectConfigModel.cs
+++ b/SpineViewer/Models/SpineObjectConfigModel.cs
@@ -13,8 +13,6 @@ namespace SpineViewer.Models
 {
     public class SpineObjectConfigModel
     {
-        public bool IsShown { get; set; } = true;
-
         public bool UsePma { get; set; }
 
         public string Physics { get; set; } = ISkeleton.Physics.Update.ToString();
@@ -54,41 +52,5 @@ namespace SpineViewer.Models
         public bool DebugPoints { get; set; }
 
         public bool DebugClippings { get; set; }
-
-        #region 序列化与反序列
-
-        /// <summary>
-        /// 保存 Json 文件的格式参数
-        /// </summary>
-        private static readonly JsonSerializerOptions _jsonOptions = new()
-        {
-            WriteIndented = true,
-            Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
-            AllowTrailingCommas = true,
-            ReadCommentHandling = JsonCommentHandling.Skip
-        };
-
-        /// <summary>
-        /// 从文件反序列对象, 可能抛出异常
-        /// </summary>
-        public static SpineObjectConfigModel Deserialize(string path)
-        {
-            if (!File.Exists(path)) throw new FileNotFoundException("Config file not found", path);
-            var json = File.ReadAllText(path, Encoding.UTF8);
-            var model = JsonSerializer.Deserialize<SpineObjectConfigModel>(json, _jsonOptions);
-            return model ?? throw new JsonException($"null data in file '{path}'");
-        }
-
-        /// <summary>
-        /// 保存至文件, 可能抛出异常
-        /// </summary>
-        public void Serialize(string path)
-        {
-            Directory.CreateDirectory(Path.GetDirectoryName(path));
-            var json = JsonSerializer.Serialize(this, _jsonOptions);
-            File.WriteAllText(path, json, Encoding.UTF8);
-        }
-
-        #endregion
     }
 }
diff --git a/SpineViewer/Models/SpineObjectModel.cs b/SpineViewer/Models/SpineObjectModel.cs
index a12b474..292a6db 100644
--- a/SpineViewer/Models/SpineObjectModel.cs
+++ b/SpineViewer/Models/SpineObjectModel.cs
@@ -61,7 +61,6 @@ namespace SpineViewer.Models
                 DebugPoints = _loadOptions.DebugPoints,
                 DebugClippings = _loadOptions.DebugClippings
             };
-
             _skins = _spineObject.Data.Skins.Select(v => v.Name).ToImmutableArray();
             _slotAttachments = _spineObject.Data.SlotAttachments.ToFrozenDictionary(it => it.Key, it => it.Value.Keys);
             _animations = _spineObject.Data.Animations.Select(v => v.Name).ToImmutableArray();
@@ -71,6 +70,19 @@ namespace SpineViewer.Models
                 _spineObject.AnimationState.SetAnimation(0, _spineObject.Data.Animations[0], true);
         }
 
+        /// <summary>
+        /// 从工作区配置进行构造
+        /// </summary>
+        public SpineObjectModel(SpineObjectWorkspaceConfigModel cfg)
+        {
+            _spineObject = new(cfg.SkelPath, cfg.AtlasPath);
+            _skins = _spineObject.Data.Skins.Select(v => v.Name).ToImmutableArray();
+            _slotAttachments = _spineObject.Data.SlotAttachments.ToFrozenDictionary(it => it.Key, it => it.Value.Keys);
+            _animations = _spineObject.Data.Animations.Select(v => v.Name).ToImmutableArray();
+            ObjectConfig = cfg.ObjectConfig;
+            _isShown = cfg.IsShown;
+        }
+
         public event EventHandler<SkinStatusChangedEventArgs>? SkinStatusChanged;
 
         public event EventHandler<SlotAttachmentChangedEventArgs>? SlotAttachmentChanged;
@@ -345,99 +357,107 @@ namespace SpineViewer.Models
             lock (_lock) return _spineObject.GetCurrentBounds();
         }
 
-        /// <summary>
-        /// 导出参数对象
-        /// </summary>
-        public SpineObjectConfigModel Dump()
+        public SpineObjectConfigModel ObjectConfig
         {
-            lock (_lock)
+            get
             {
-                SpineObjectConfigModel config = new()
+                lock (_lock)
                 {
-                    Scale = Math.Abs(_spineObject.Skeleton.ScaleX),
-                    FlipX = _spineObject.Skeleton.ScaleX < 0,
-                    FlipY = _spineObject.Skeleton.ScaleY < 0,
-                    X = _spineObject.Skeleton.X,
-                    Y = _spineObject.Skeleton.Y,
+                    SpineObjectConfigModel config = new()
+                    {
+                        Scale = Math.Abs(_spineObject.Skeleton.ScaleX),
+                        FlipX = _spineObject.Skeleton.ScaleX < 0,
+                        FlipY = _spineObject.Skeleton.ScaleY < 0,
+                        X = _spineObject.Skeleton.X,
+                        Y = _spineObject.Skeleton.Y,
 
-                    IsShown = _isShown,
-                    UsePma = _spineObject.UsePma,
-                    Physics = _spineObject.Physics.ToString(),
+                        UsePma = _spineObject.UsePma,
+                        Physics = _spineObject.Physics.ToString(),
 
-                    DebugTexture = _spineObject.DebugTexture,
-                    DebugBounds = _spineObject.DebugBounds,
-                    DebugBones = _spineObject.DebugBones,
-                    DebugRegions = _spineObject.DebugRegions,
-                    DebugMeshHulls = _spineObject.DebugMeshHulls,
-                    DebugMeshes = _spineObject.DebugMeshes,
-                    DebugBoundingBoxes = _spineObject.DebugBoundingBoxes,
-                    DebugPaths = _spineObject.DebugPaths,
-                    DebugPoints = _spineObject.DebugPoints,
-                    DebugClippings = _spineObject.DebugClippings
-                };
+                        DebugTexture = _spineObject.DebugTexture,
+                        DebugBounds = _spineObject.DebugBounds,
+                        DebugBones = _spineObject.DebugBones,
+                        DebugRegions = _spineObject.DebugRegions,
+                        DebugMeshHulls = _spineObject.DebugMeshHulls,
+                        DebugMeshes = _spineObject.DebugMeshes,
+                        DebugBoundingBoxes = _spineObject.DebugBoundingBoxes,
+                        DebugPaths = _spineObject.DebugPaths,
+                        DebugPoints = _spineObject.DebugPoints,
+                        DebugClippings = _spineObject.DebugClippings
+                    };
 
-                config.LoadedSkins.AddRange(_spineObject.Data.Skins.Select(it => it.Name).Where(_spineObject.GetSkinStatus));
+                    config.LoadedSkins.AddRange(_spineObject.Data.Skins.Select(it => it.Name).Where(_spineObject.GetSkinStatus));
 
-                foreach (var slot in _spineObject.Skeleton.Slots) config.SlotAttachment[slot.Name] = slot.Attachment?.Name;
+                    foreach (var slot in _spineObject.Skeleton.Slots) config.SlotAttachment[slot.Name] = slot.Attachment?.Name;
 
-                // XXX: 处理空动画
-                config.Animations.AddRange(_spineObject.AnimationState.IterTracks().Select(tr => tr?.Animation.Name));
+                    // XXX: 处理空动画
+                    config.Animations.AddRange(_spineObject.AnimationState.IterTracks().Select(tr => tr?.Animation.Name));
 
-                return config;
+                    return config;
+                }
+            }
+            set
+            {
+
+                lock (_lock)
+                {
+                    _spineObject.Skeleton.ScaleX = value.Scale;
+                    _spineObject.Skeleton.ScaleY = value.Scale;
+                    OnPropertyChanged(nameof(Scale));
+                    SetProperty(_spineObject.Skeleton.ScaleX < 0, value.FlipX, v => _spineObject.Skeleton.ScaleX *= -1, nameof(FlipX));
+                    SetProperty(_spineObject.Skeleton.ScaleY < 0, value.FlipY, v => _spineObject.Skeleton.ScaleY *= -1, nameof(FlipY));
+                    SetProperty(_spineObject.Skeleton.X, value.X, v => _spineObject.Skeleton.X = v, nameof(X));
+                    SetProperty(_spineObject.Skeleton.Y, value.Y, v => _spineObject.Skeleton.Y = v, nameof(Y));
+                    SetProperty(_spineObject.UsePma, value.UsePma, v => _spineObject.UsePma = v, nameof(UsePma));
+                    SetProperty(_spineObject.Physics, Enum.Parse<ISkeleton.Physics>(value.Physics ?? "Update", true), v => _spineObject.Physics = v, nameof(Physics));
+
+                    foreach (var name in _spineObject.Data.Skins.Select(v => v.Name).Except(value.LoadedSkins))
+                        if (_spineObject.SetSkinStatus(name, false))
+                            SkinStatusChanged?.Invoke(this, new(name, false));
+                    foreach (var name in value.LoadedSkins)
+                        if (_spineObject.SetSkinStatus(name, true))
+                            SkinStatusChanged?.Invoke(this, new(name, true));
+
+                    foreach (var (slotName, attachmentName) in value.SlotAttachment)
+                        if (_spineObject.SetAttachment(slotName, attachmentName))
+                            SlotAttachmentChanged?.Invoke(this, new(slotName, attachmentName));
+
+                    // XXX: 处理空动画
+                    _spineObject.AnimationState.ClearTracks();
+                    int trackIndex = 0;
+                    foreach (var name in value.Animations)
+                    {
+                        if (!string.IsNullOrEmpty(name))
+                            _spineObject.AnimationState.SetAnimation(trackIndex, name, true);
+                        AnimationChanged?.Invoke(this, new(trackIndex, name));
+                        trackIndex++;
+                    }
+
+                    SetProperty(_spineObject.DebugTexture, value.DebugTexture, v => _spineObject.DebugTexture = v, nameof(DebugTexture));
+                    SetProperty(_spineObject.DebugBounds, value.DebugBounds, v => _spineObject.DebugBounds = v, nameof(DebugBounds));
+                    SetProperty(_spineObject.DebugBones, value.DebugBones, v => _spineObject.DebugBones = v, nameof(DebugBones));
+                    SetProperty(_spineObject.DebugRegions, value.DebugRegions, v => _spineObject.DebugRegions = v, nameof(DebugRegions));
+                    SetProperty(_spineObject.DebugMeshHulls, value.DebugMeshHulls, v => _spineObject.DebugMeshHulls = v, nameof(DebugMeshHulls));
+                    SetProperty(_spineObject.DebugMeshes, value.DebugMeshes, v => _spineObject.DebugMeshes = v, nameof(DebugMeshes));
+                    SetProperty(_spineObject.DebugBoundingBoxes, value.DebugBoundingBoxes, v => _spineObject.DebugBoundingBoxes = v, nameof(DebugBoundingBoxes));
+                    SetProperty(_spineObject.DebugPaths, value.DebugPaths, v => _spineObject.DebugPaths = v, nameof(DebugPaths));
+                    SetProperty(_spineObject.DebugPoints, value.DebugPoints, v => _spineObject.DebugPoints = v, nameof(DebugPoints));
+                    SetProperty(_spineObject.DebugClippings, value.DebugClippings, v => _spineObject.DebugClippings = v, nameof(DebugClippings));
+                }
             }
         }
 
-        /// <summary>
-        /// 从参数对象加载参数值
-        /// </summary>
-        public void Load(SpineObjectConfigModel config)
+        public SpineObjectWorkspaceConfigModel WorkspaceConfig
         {
-            lock (_lock)
+            get
             {
-                _spineObject.Skeleton.ScaleX = config.Scale;
-                _spineObject.Skeleton.ScaleY = config.Scale;
-                OnPropertyChanged(nameof(Scale));
-                SetProperty(_spineObject.Skeleton.ScaleX < 0, config.FlipX, v => _spineObject.Skeleton.ScaleX *= -1, nameof(FlipX));
-                SetProperty(_spineObject.Skeleton.ScaleY < 0, config.FlipY, v => _spineObject.Skeleton.ScaleY *= -1, nameof(FlipY));
-                SetProperty(_spineObject.Skeleton.X, config.X, v => _spineObject.Skeleton.X = v, nameof(X));
-                SetProperty(_spineObject.Skeleton.Y, config.Y, v => _spineObject.Skeleton.Y = v, nameof(Y));
-
-                IsShown = config.IsShown;
-                SetProperty(_spineObject.UsePma, config.UsePma, v => _spineObject.UsePma = v, nameof(UsePma));
-                SetProperty(_spineObject.Physics, Enum.Parse<ISkeleton.Physics>(config.Physics ?? "Update", true), v => _spineObject.Physics = v, nameof(Physics));
-
-                foreach (var name in _spineObject.Data.Skins.Select(v => v.Name).Except(config.LoadedSkins))
-                    if (_spineObject.SetSkinStatus(name, false))
-                        SkinStatusChanged?.Invoke(this, new(name, false));
-                foreach (var name in config.LoadedSkins)
-                    if (_spineObject.SetSkinStatus(name, true))
-                        SkinStatusChanged?.Invoke(this, new(name, true));
-
-                foreach (var (slotName, attachmentName) in config.SlotAttachment)
-                    if (_spineObject.SetAttachment(slotName, attachmentName))
-                        SlotAttachmentChanged?.Invoke(this, new(slotName, attachmentName));
-
-                // XXX: 处理空动画
-                _spineObject.AnimationState.ClearTracks();
-                int trackIndex = 0;
-                foreach (var name in config.Animations)
+                return new()
                 {
-                    if (!string.IsNullOrEmpty(name))
-                        _spineObject.AnimationState.SetAnimation(trackIndex, name, true);
-                    AnimationChanged?.Invoke(this, new(trackIndex, name));
-                    trackIndex++;
-                }
-
-                SetProperty(_spineObject.DebugTexture, config.DebugTexture, v => _spineObject.DebugTexture = v, nameof(DebugTexture));
-                SetProperty(_spineObject.DebugBounds, config.DebugBounds, v => _spineObject.DebugBounds = v, nameof(DebugBounds));
-                SetProperty(_spineObject.DebugBones, config.DebugBones, v => _spineObject.DebugBones = v, nameof(DebugBones));
-                SetProperty(_spineObject.DebugRegions, config.DebugRegions, v => _spineObject.DebugRegions = v, nameof(DebugRegions));
-                SetProperty(_spineObject.DebugMeshHulls, config.DebugMeshHulls, v => _spineObject.DebugMeshHulls = v, nameof(DebugMeshHulls));
-                SetProperty(_spineObject.DebugMeshes, config.DebugMeshes, v => _spineObject.DebugMeshes = v, nameof(DebugMeshes));
-                SetProperty(_spineObject.DebugBoundingBoxes, config.DebugBoundingBoxes, v => _spineObject.DebugBoundingBoxes = v, nameof(DebugBoundingBoxes));
-                SetProperty(_spineObject.DebugPaths, config.DebugPaths, v => _spineObject.DebugPaths = v, nameof(DebugPaths));
-                SetProperty(_spineObject.DebugPoints, config.DebugPoints, v => _spineObject.DebugPoints = v, nameof(DebugPoints));
-                SetProperty(_spineObject.DebugClippings, config.DebugClippings, v => _spineObject.DebugClippings = v, nameof(DebugClippings));
+                    SkelPath = SkelPath,
+                    AtlasPath = AtlasPath,
+                    IsShown = IsShown,
+                    ObjectConfig = ObjectConfig
+                };
             }
         }
 
diff --git a/SpineViewer/Models/WorkspaceModel.cs b/SpineViewer/Models/WorkspaceModel.cs
new file mode 100644
index 0000000..2a42630
--- /dev/null
+++ b/SpineViewer/Models/WorkspaceModel.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Text.Encodings.Web;
+using System.Text.Json;
+using System.Threading.Tasks;
+using System.Windows.Media;
+
+namespace SpineViewer.Models
+{
+    public class WorkspaceModel
+    {
+        public RendererWorkspaceConfigModel RendererConfig { get; set; } = new();
+        public List<SpineObjectWorkspaceConfigModel> LoadedSpineObjects { get; set; } = [];
+    }
+
+    public class RendererWorkspaceConfigModel
+    {
+        public uint ResolutionX { get; set; } = 100;
+
+        public uint ResolutionY { get; set; } = 100;
+
+        public float CenterX { get; set; }
+
+        public float CenterY { get; set; }
+
+        public float Zoom { get; set; } = 1f;
+
+        public float Rotation { get; set; }
+
+        public bool FlipX { get; set; }
+
+        public bool FlipY { get; set; } = true;
+
+        public uint MaxFps { get; set; } = 30;
+
+        public bool ShowAxis { get; set; } = true;
+
+        public Color BackgroundColor { get; set; }
+
+        // TODO: 背景图片
+        //public string? BackgroundImagePath { get; set; }
+
+        //public ? BackgroundImageDisplayMode { get; set; }
+    }
+
+    public class SpineObjectWorkspaceConfigModel
+    {
+        public string SkelPath { get; set; } = "";
+        public string AtlasPath { get; set; } = "";
+        public bool IsShown { get; set; } = true;
+        public SpineObjectConfigModel ObjectConfig { get; set; } = new();
+    }
+
+}
diff --git a/SpineViewer/Resources/Strings/en.xaml b/SpineViewer/Resources/Strings/en.xaml
index 2b1301e..cadde50 100644
--- a/SpineViewer/Resources/Strings/en.xaml
+++ b/SpineViewer/Resources/Strings/en.xaml
@@ -11,6 +11,8 @@
     <s:String x:Key="Str_Experiment">Experimental Features</s:String>
 
     <s:String x:Key="Str_Open">Open...</s:String>
+    <s:String x:Key="Str_OpenWorkspace">Open Workspace...</s:String>
+    <s:String x:Key="Str_SaveWorkspace">Save Workspace...</s:String>
     <s:String x:Key="Str_Preference">Preferences</s:String>
     <s:String x:Key="Str_PreferenceWithDots">Preferences...</s:String>
     <s:String x:Key="Str_Exit">Exit</s:String>
diff --git a/SpineViewer/Resources/Strings/ja.xaml b/SpineViewer/Resources/Strings/ja.xaml
index 50d9bab..83a119a 100644
--- a/SpineViewer/Resources/Strings/ja.xaml
+++ b/SpineViewer/Resources/Strings/ja.xaml
@@ -11,6 +11,8 @@
     <s:String x:Key="Str_Experiment">実験機能</s:String>
 
     <s:String x:Key="Str_Open">開く...</s:String>
+    <s:String x:Key="Str_OpenWorkspace">ワークスペースを開く...</s:String>
+    <s:String x:Key="Str_SaveWorkspace">ワークスペースを保存...</s:String>
     <s:String x:Key="Str_Preference">設定</s:String>
     <s:String x:Key="Str_PreferenceWithDots">設定...</s:String>
     <s:String x:Key="Str_Exit">終了</s:String>
diff --git a/SpineViewer/Resources/Strings/zh.xaml b/SpineViewer/Resources/Strings/zh.xaml
index 789e986..983b8e4 100644
--- a/SpineViewer/Resources/Strings/zh.xaml
+++ b/SpineViewer/Resources/Strings/zh.xaml
@@ -11,6 +11,8 @@
     <s:String x:Key="Str_Experiment">实验性功能</s:String>
 
     <s:String x:Key="Str_Open">打开...</s:String>
+    <s:String x:Key="Str_OpenWorkspace">打开工作区...</s:String>
+    <s:String x:Key="Str_SaveWorkspace">保存工作区...</s:String>
     <s:String x:Key="Str_Preference">首选项</s:String>
     <s:String x:Key="Str_PreferenceWithDots">首选项...</s:String>
     <s:String x:Key="Str_Exit">退出</s:String>
diff --git a/SpineViewer/Services/DialogService.cs b/SpineViewer/Services/DialogService.cs
index e818f5d..25ac263 100644
--- a/SpineViewer/Services/DialogService.cs
+++ b/SpineViewer/Services/DialogService.cs
@@ -78,12 +78,12 @@ namespace SpineViewer.Services
             return false;
         }
 
-        public static bool ShowOpenFileDialog(out string? fileName, string initialDirectory = "", string filter = "All|*.*")
+        public static bool ShowOpenJsonDialog(out string? fileName, string initialDirectory = "")
         {
             var dialog = new OpenFileDialog()
             {
                 InitialDirectory = initialDirectory,
-                Filter = filter
+                Filter = "Json|*.jcfg;*.json|All|*.*"
             };
             if (dialog.ShowDialog() is true)
             {
@@ -94,14 +94,14 @@ namespace SpineViewer.Services
             return false;
         }
 
-        public static bool ShowSaveFileDialog(ref string? fileName, string initialDirectory = "", string defaultExt = "", string filter = "All|*.*")
+        public static bool ShowSaveJsonDialog(ref string? fileName, string initialDirectory = "")
         {
-            var dialog = new SaveFileDialog() 
-            { 
+            var dialog = new SaveFileDialog()
+            {
                 FileName = fileName,
                 InitialDirectory = initialDirectory,
-                DefaultExt = defaultExt,
-                Filter = filter,
+                DefaultExt = ".jcfg",
+                Filter = "Json|*.jcfg;*.json|All|*.*",
             };
             if (dialog.ShowDialog() is true)
             {
diff --git a/SpineViewer/Utils/JsonHelper.cs b/SpineViewer/Utils/JsonHelper.cs
new file mode 100644
index 0000000..14fbd6f
--- /dev/null
+++ b/SpineViewer/Utils/JsonHelper.cs
@@ -0,0 +1,88 @@
+using Microsoft.Win32;
+using NLog;
+using SpineViewer.Models;
+using SpineViewer.Services;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Text.Encodings.Web;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Utils
+{
+    public static class JsonHelper
+    {
+        private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
+
+        /// <summary>
+        /// 保存 Json 文件的格式参数
+        /// </summary>
+        public static JsonSerializerOptions JsonOptions => _jsonOptions;
+        private static readonly JsonSerializerOptions _jsonOptions = new()
+        {
+            WriteIndented = true,
+            Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
+            AllowTrailingCommas = true,
+            ReadCommentHandling = JsonCommentHandling.Skip
+        };
+
+        /// <summary>
+        /// 从文件反序列对象, 不会抛出异常
+        /// </summary>
+        public static bool Deserialize<T>(string path, out T obj)
+        {
+            if (!File.Exists(path))
+            {
+                _logger.Error("Json file {0} not found", path);
+                MessagePopupService.Error($"Json file {path} not found");
+            }
+            else
+            {
+                try
+                {
+                    var json = File.ReadAllText(path, Encoding.UTF8);
+                    var model = JsonSerializer.Deserialize<T>(json, _jsonOptions);
+                    if (model is T m)
+                    {
+                        obj = m;
+                        return true;
+                    }
+                    _logger.Error("Null data in file {0}", path);
+                    MessagePopupService.Error($"Null data in file {path}");
+                }
+                catch (Exception ex)
+                {
+                    _logger.Error("Failed to read json file {0}, {1}", path, ex.Message);
+                    _logger.Trace(ex.ToString());
+                    MessagePopupService.Error($"Failed to read json file {path}, {ex.ToString()}");
+                }
+            }
+            obj = default;
+            return false;
+        }
+
+        /// <summary>
+        /// 保存至文件, 不会抛出异常
+        /// </summary>
+        public static bool Serialize<T>(T obj, string path)
+        {
+            try
+            {
+                Directory.CreateDirectory(Path.GetDirectoryName(path));
+                var json = JsonSerializer.Serialize(obj, _jsonOptions);
+                File.WriteAllText(path, json, Encoding.UTF8);
+            }
+            catch (Exception ex)
+            {
+                _logger.Error("Failed to save json file {0}, {1}", path, ex.Message);
+                _logger.Trace(ex.ToString());
+                MessagePopupService.Error($"Failed to save json file {path}, {ex.ToString()}");
+                return false;
+            }
+            return true;
+        }
+    }
+}
diff --git a/SpineViewer/Extensions/ObservableCollectionWithLock.cs b/SpineViewer/Utils/ObservableCollectionWithLock.cs
similarity index 94%
rename from SpineViewer/Extensions/ObservableCollectionWithLock.cs
rename to SpineViewer/Utils/ObservableCollectionWithLock.cs
index b6a48b6..37dc297 100644
--- a/SpineViewer/Extensions/ObservableCollectionWithLock.cs
+++ b/SpineViewer/Utils/ObservableCollectionWithLock.cs
@@ -6,7 +6,7 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Data;
 
-namespace SpineViewer.Extensions
+namespace SpineViewer.Utils
 {
     public class ObservableCollectionWithLock<T> : ObservableCollection<T>
     {
diff --git a/SpineViewer/Extensions/StringFormatMultiValueConverter.cs b/SpineViewer/Utils/StringFormatMultiValueConverter.cs
similarity index 88%
rename from SpineViewer/Extensions/StringFormatMultiValueConverter.cs
rename to SpineViewer/Utils/StringFormatMultiValueConverter.cs
index dada843..a3ce857 100644
--- a/SpineViewer/Extensions/StringFormatMultiValueConverter.cs
+++ b/SpineViewer/Utils/StringFormatMultiValueConverter.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Data;
 
-namespace SpineViewer.Extensions
+namespace SpineViewer.Utils
 {
     public class StringFormatMultiValueConverter : IMultiValueConverter
     {
@@ -16,7 +16,7 @@ namespace SpineViewer.Extensions
             if (values == null || values.Length <= 0)
                 return DependencyProperty.UnsetValue;
 
-            if (App.Current.TryFindResource(parameter) is string format)
+            if (Application.Current.TryFindResource(parameter) is string format)
             {
                 return string.Format(culture, format, values);
             }
diff --git a/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
index 4baff6e..c078c48 100644
--- a/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs
@@ -5,6 +5,7 @@ using SFMLRenderer;
 using Spine;
 using Spine.Exporters;
 using SpineViewer.Extensions;
+using SpineViewer.Models;
 using SpineViewer.Resources;
 using SpineViewer.ViewModels.MainWindow;
 using System;
@@ -134,9 +135,21 @@ namespace SpineViewer.ViewModels.Exporters
             return null;
         }
 
-        public RelayCommand<IList?> Cmd_Export => _cmd_Export ??= new(Export_Execute, args => args is not null && args.Count > 0);
+        public RelayCommand<IList?> Cmd_Export => _cmd_Export ??= new(Export_Execute, Export_CanExecute);
         private RelayCommand<IList?>? _cmd_Export;
 
-        protected abstract void Export_Execute(IList? args);
+        private void Export_Execute(IList? args)
+        {
+            if (!Export_CanExecute(args)) return;
+            Export(args.Cast<SpineObjectModel>().ToArray());
+            // XXX: 导出途中应该停掉渲染好一些, 让性能专注在导出上
+        }
+
+        private bool Export_CanExecute(IList? args)
+        {
+            return args is not null && args.Count > 0;
+        }
+
+        protected abstract void Export(SpineObjectModel[] models);
     }
 }
diff --git a/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
index 085d426..2b5caa9 100644
--- a/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
@@ -47,11 +47,10 @@ namespace SpineViewer.ViewModels.Exporters
             return null;
         }
 
-        protected override void Export_Execute(IList? args)
+        protected override void Export(SpineObjectModel[] models)
         {
-            if (args is null || args.Count <= 0) return;
             if (!DialogService.ShowCustomFFmpegExporterDialog(this)) return;
-            SpineObject[] spines = args.Cast<SpineObjectModel>().Select(m => m.GetSpineObject()).ToArray();
+            SpineObject[] spines = models.Select(m => m.GetSpineObject()).ToArray();
             ProgressService.RunAsync((pr, ct) => ExportTask(spines, pr, ct), AppResource.Str_CustomFFmpegExporterTitle);
             foreach (var sp in spines) sp.Dispose();
         }
diff --git a/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
index 3ed8111..d206531 100644
--- a/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
@@ -34,11 +34,10 @@ namespace SpineViewer.ViewModels.Exporters
 
         private string FormatSuffix => $".{_format.ToString().ToLower()}";
 
-        protected override void Export_Execute(IList? args)
+        protected override void Export(SpineObjectModel[] models)
         {
-            if (args is null || args.Count <= 0) return;
             if (!DialogService.ShowFFmpegVideoExporterDialog(this)) return;
-            SpineObject[] spines = args.Cast<SpineObjectModel>().Select(m => m.GetSpineObject()).ToArray();
+            SpineObject[] spines = models.Select(m => m.GetSpineObject()).ToArray();
             ProgressService.RunAsync((pr, ct) => ExportTask(spines, pr, ct), AppResource.Str_FFmpegVideoExporterTitle);
             foreach (var sp in spines) sp.Dispose();
         }
diff --git a/SpineViewer/ViewModels/Exporters/FrameExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/FrameExporterViewModel.cs
index 2f3d9aa..d0e752c 100644
--- a/SpineViewer/ViewModels/Exporters/FrameExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/FrameExporterViewModel.cs
@@ -38,11 +38,10 @@ namespace SpineViewer.ViewModels.Exporters
             }
         }
 
-        protected override void Export_Execute(IList? args)
+        protected override void Export(SpineObjectModel[] models)
         {
-            if (args is null || args.Count <= 0) return;
             if (!DialogService.ShowFrameExporterDialog(this)) return;
-            SpineObject[] spines = args.Cast<SpineObjectModel>().Select(m => m.GetSpineObject(true)).ToArray();
+            SpineObject[] spines = models.Select(m => m.GetSpineObject(true)).ToArray();
             ProgressService.RunAsync((pr, ct) => ExportTask(spines, pr, ct), AppResource.Str_FrameExporterTitle);
             foreach (var sp in spines) sp.Dispose();
         }
diff --git a/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
index 81483ac..add965f 100644
--- a/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
@@ -17,11 +17,10 @@ namespace SpineViewer.ViewModels.Exporters
 {
     public class FrameSequenceExporterViewModel(MainWindowViewModel vmMain) : VideoExporterViewModel(vmMain)
     {
-        protected override void Export_Execute(IList? args)
+        protected override void Export(SpineObjectModel[] models)
         {
-            if (args is null || args.Count <= 0) return;
             if (!DialogService.ShowFrameSequenceExporterDialog(this)) return;
-            SpineObject[] spines = args.Cast<SpineObjectModel>().Select(m => m.GetSpineObject()).ToArray();
+            SpineObject[] spines = models.Select(m => m.GetSpineObject()).ToArray();
             ProgressService.RunAsync((pr, ct) => ExportTask(spines, pr, ct), AppResource.Str_FrameSequenceExporterTitle);
             foreach (var sp in spines) sp.Dispose();
         }
diff --git a/SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs b/SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs
index 04f8b81..e5155ed 100644
--- a/SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs
@@ -1,22 +1,10 @@
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
-using HandyControl.Controls;
 using NLog;
 using SFMLRenderer;
-using Spine;
-using Spine.Exporters;
-using SpineViewer.Extensions;
 using SpineViewer.Models;
 using SpineViewer.Services;
-using SpineViewer.ViewModels.Exporters;
-using System;
-using System.Collections;
-using System.Collections.ObjectModel;
-using System.Diagnostics;
-using System.IO;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
+using SpineViewer.Utils;
 using System.Windows.Shell;
 
 namespace SpineViewer.ViewModels.MainWindow
@@ -84,6 +72,34 @@ namespace SpineViewer.ViewModels.MainWindow
         public SFMLRendererViewModel SFMLRendererViewModel => _sfmlRendererViewModel;
         private readonly SFMLRendererViewModel _sfmlRendererViewModel;
 
+        /// <summary>
+        /// 打开工作区
+        /// </summary>
+        public RelayCommand Cmd_OpenWorkspace => _cmd_OpenWorkspace ??= new(OpenWorkspace_Execute);
+        private RelayCommand? _cmd_OpenWorkspace;
+
+        private void OpenWorkspace_Execute()
+        {
+            if (!DialogService.ShowOpenJsonDialog(out var fileName)) return;
+            if (JsonHelper.Deserialize<WorkspaceModel>(fileName, out var obj))
+            {
+                Workspace = obj;
+            }
+        }
+
+        /// <summary>
+        /// 保存工作区
+        /// </summary>
+        public RelayCommand Cmd_SaveWorkspace => _cmd_SaveWorkspace ??= new(SaveWorkspace_Execute);
+        private RelayCommand? _cmd_SaveWorkspace;
+
+        private void SaveWorkspace_Execute()
+        {
+            string fileName = "workspace.jcfg";
+            if (!DialogService.ShowSaveJsonDialog(ref fileName)) return;
+            JsonHelper.Serialize(Workspace, fileName);
+        }
+
         /// <summary>
         /// 显示诊断信息对话框
         /// </summary>
@@ -96,6 +112,23 @@ namespace SpineViewer.ViewModels.MainWindow
         public RelayCommand Cmd_ShowAboutDialog => _cmd_ShowAboutDialog ??= new(() => { DialogService.ShowAboutDialog(); });
         private RelayCommand? _cmd_ShowAboutDialog;
 
+        public WorkspaceModel Workspace
+        {
+            get
+            {
+                return new()
+                {
+                    RendererConfig = _sfmlRendererViewModel.WorkspaceConfig,
+                    LoadedSpineObjects = _spineObjectListViewModel.LoadedSpineObjects
+                }; 
+            }
+            set
+            {
+                _sfmlRendererViewModel.WorkspaceConfig = value.RendererConfig;
+                _spineObjectListViewModel.LoadedSpineObjects = value.LoadedSpineObjects;
+            }
+        }
+
         /// <summary>
         /// 调试命令
         /// </summary>
diff --git a/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs b/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
index 257662b..87377ba 100644
--- a/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
@@ -4,6 +4,7 @@ using NLog;
 using Spine.SpineWrappers;
 using SpineViewer.Models;
 using SpineViewer.Services;
+using SpineViewer.Utils;
 using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
@@ -49,15 +50,7 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private static void SavePreference(PreferenceModel m)
         {
-            try
-            {
-                m.Serialize(PreferenceFilePath);
-            }
-            catch (Exception ex)
-            {
-                _logger.Error("Failed to save preference to {0}, {1}", PreferenceFilePath, ex.Message);
-                _logger.Trace(ex.ToString());
-            }
+            JsonHelper.Serialize(m, PreferenceFilePath);
         }
 
         /// <summary>
@@ -70,18 +63,8 @@ namespace SpineViewer.ViewModels.MainWindow
         /// </summary>
         public void LoadPreference()
         {
-            if (!File.Exists(PreferenceFilePath)) return;
-
-            try
-            {
-                var m = PreferenceModel.Deserialize(PreferenceFilePath);
-                Preference = m;
-            }
-            catch (Exception ex)
-            {
-                _logger.Error("Failed to load preference from {0}, {1}", PreferenceFilePath, ex.Message);
-                _logger.Trace(ex.ToString());
-            }
+            if (JsonHelper.Deserialize<PreferenceModel>(PreferenceFilePath, out var obj)) 
+                Preference = obj;
         }
 
         /// <summary>
diff --git a/SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs b/SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs
index 7125d4d..54a7d60 100644
--- a/SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs
@@ -7,6 +7,7 @@ using SpineViewer.Extensions;
 using SpineViewer.Models;
 using SpineViewer.Resources;
 using SpineViewer.Services;
+using SpineViewer.Utils;
 using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
@@ -423,5 +424,41 @@ namespace SpineViewer.ViewModels.MainWindow
                 _renderer.SetActive(false);
             }
         }
+
+        public RendererWorkspaceConfigModel WorkspaceConfig
+        { 
+            // TODO: 背景图片
+            get
+            {
+                return new()
+                {
+                    ResolutionX = ResolutionX,
+                    ResolutionY = ResolutionY,
+                    CenterX = CenterX,
+                    CenterY = CenterY,
+                    Zoom = Zoom,
+                    Rotation = Rotation,
+                    FlipX = FlipX,
+                    FlipY = FlipY,
+                    MaxFps = MaxFps,
+                    ShowAxis = ShowAxis,
+                    BackgroundColor = BackgroundColor,
+                };
+            }
+            set
+            {
+               ResolutionX = value.ResolutionX;
+               ResolutionY = value.ResolutionY;
+               CenterX = value.CenterX;
+               CenterY = value.CenterY;
+               Zoom = value.Zoom;
+               Rotation = value.Rotation;
+               FlipX = value.FlipX;
+               FlipY = value.FlipY;
+               MaxFps = value.MaxFps;
+               ShowAxis = value.ShowAxis;
+               BackgroundColor = value.BackgroundColor;
+            }
+        }
     }
 }
diff --git a/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs b/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
index 135b850..d058952 100644
--- a/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
@@ -6,6 +6,7 @@ using SpineViewer.Extensions;
 using SpineViewer.Models;
 using SpineViewer.Resources;
 using SpineViewer.Services;
+using SpineViewer.Utils;
 using SpineViewer.ViewModels.Exporters;
 using System;
 using System.Collections;
@@ -100,7 +101,7 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private void AddSpineObject_Execute()
         {
-            throw new NotImplementedException();
+            MessagePopupService.Info("Not Implemented, try next version :)");
         }
 
         /// <summary>
@@ -170,7 +171,7 @@ namespace SpineViewer.ViewModels.MainWindow
                     try
                     {
                         var spNew = new SpineObjectModel(sp.SkelPath, sp.AtlasPath);
-                        spNew.Load(sp.Dump());
+                        spNew.ObjectConfig = sp.ObjectConfig;
                         _spineObjectModels[idx] = spNew;
                         sp.Dispose();
                     }
@@ -224,7 +225,7 @@ namespace SpineViewer.ViewModels.MainWindow
                         try
                         {
                             var spNew = new SpineObjectModel(sp.SkelPath, sp.AtlasPath);
-                            spNew.Load(sp.Dump());
+                            spNew.ObjectConfig = sp.ObjectConfig;
                             _spineObjectModels[idx] = spNew;
                             sp.Dispose();
                             success++;
@@ -312,7 +313,7 @@ namespace SpineViewer.ViewModels.MainWindow
         {
             if (!CopySpineObjectConfig_CanExecute(args)) return;
             var sp = (SpineObjectModel)args[0];
-            _copiedSpineObjectConfigModel = sp.Dump();
+            _copiedSpineObjectConfigModel = sp.ObjectConfig;
             _logger.Info("Copy config from model: {0}", sp.Name);
         }
 
@@ -334,7 +335,7 @@ namespace SpineViewer.ViewModels.MainWindow
             if (!ApplySpineObjectConfig_CanExecute(args)) return;
             foreach (SpineObjectModel sp in args)
             {
-                sp.Load(_copiedSpineObjectConfigModel);
+                sp.ObjectConfig = _copiedSpineObjectConfigModel;
                 _logger.Info("Apply config to model: {0}", sp.Name);
             }
         }
@@ -353,22 +354,15 @@ namespace SpineViewer.ViewModels.MainWindow
         private void ApplySpineObjectConfigFromFile_Execute(IList? args)
         {
             if (!ApplySpineObjectConfigFromFile_CanExecute(args)) return;
-            if (!DialogService.ShowOpenFileDialog(out var fileName, filter: "Json Config|*.jcfg|All|*.*")) return;
-            try
+            if (!DialogService.ShowOpenJsonDialog(out var fileName)) return;
+            if (JsonHelper.Deserialize<SpineObjectConfigModel>(fileName, out var config))
             {
-                var config = SpineObjectConfigModel.Deserialize(fileName);
                 foreach (SpineObjectModel sp in args)
                 {
-                    sp.Load(config);
+                    sp.ObjectConfig = config;
                     _logger.Info("Apply config to model: {0}", sp.Name);
                 }
             }
-            catch (Exception ex)
-            {
-                _logger.Error("Failed to apply config file {0}, {1}", fileName, ex.Message);
-                _logger.Trace(ex.ToString());
-                return;
-            }
         }
 
         private bool ApplySpineObjectConfigFromFile_CanExecute(IList? args)
@@ -385,27 +379,11 @@ namespace SpineViewer.ViewModels.MainWindow
         {
             if (!SaveSpineObjectConfigToFile_CanExecute(args)) return;
             var sp = (SpineObjectModel)args[0];
-            var config = sp.Dump();
+            var config = sp.ObjectConfig;
 
             string fileName = $"{Path.ChangeExtension(Path.GetFileName(sp.SkelPath), ".jcfg")}";
-            if (!DialogService.ShowSaveFileDialog(
-                ref fileName, 
-                initialDirectory: sp.AssetsDir, 
-                defaultExt: ".jcfg", 
-                filter:"Json Config|*.jcfg|All|*.*")
-            ) 
-                return;
-            try
-            {
-                sp.Dump().Serialize(fileName);
-                _logger.Info("{0} config save to {1}", sp.Name, fileName);
-            }
-            catch (Exception ex)
-            {
-                _logger.Error("Failed to save config file {0}, {1}", fileName, ex.Message);
-                _logger.Trace(ex.ToString());
-                return;
-            }
+            if (!DialogService.ShowSaveJsonDialog(ref fileName, sp.AssetsDir)) return;
+            JsonHelper.Serialize(sp.ObjectConfig, fileName);
         }
 
         private bool SaveSpineObjectConfigToFile_CanExecute(IList? args)
@@ -505,7 +483,7 @@ namespace SpineViewer.ViewModels.MainWindow
         /// 安全地在末尾添加一个模型, 发生错误会输出日志
         /// </summary>
         /// <returns>是否添加成功</returns>
-        public bool AddSpineObject(string skelPath, string? atlasPath = null)
+        private bool AddSpineObject(string skelPath, string? atlasPath = null)
         {
             try
             {
@@ -520,5 +498,112 @@ namespace SpineViewer.ViewModels.MainWindow
             }
             return false;
         }
+
+        private bool AddSpineObject(SpineObjectWorkspaceConfigModel cfg)
+        {
+            try
+            {
+                var sp = new SpineObjectModel(cfg);
+                lock (_spineObjectModels.Lock) _spineObjectModels.Add(sp);
+                return true;
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                _logger.Error("Failed to load: {0}, {1}", cfg.SkelPath, ex.Message);
+            }
+            return false;
+        }
+
+        public List<SpineObjectWorkspaceConfigModel> LoadedSpineObjects
+        {
+            get
+            {
+                List<SpineObjectWorkspaceConfigModel> loadedSpineObjects = [];
+                lock (_spineObjectModels.Lock)
+                {
+                    foreach (var sp in _spineObjectModels)
+                    {
+                        loadedSpineObjects.Add(sp.WorkspaceConfig);
+                    }
+                }
+                return loadedSpineObjects;
+            }
+            set
+            {
+                AddSpineObjectFromWorkspaceList(value);
+            }
+        }
+
+        private void AddSpineObjectFromWorkspaceList(List<SpineObjectWorkspaceConfigModel> models)
+        {
+            lock (_spineObjectModels.Lock)
+            {
+                var spines = _spineObjectModels.ToArray();
+                _spineObjectModels.Clear();
+                foreach (var sp in spines)
+                {
+                    sp.Dispose();
+                }
+            }
+
+            if (models.Count > 1)
+            {
+                ProgressService.RunAsync((pr, ct) => AddSpineObjectFromWorkspaceListTask(
+                    models, pr, ct),
+                    AppResource.Str_AddSpineObjectsTitle
+                );
+            }
+            else if (models.Count > 0)
+            {
+                AddSpineObject(models[0]);
+                _logger.LogCurrentProcessMemoryUsage();
+            }
+        }
+
+        private void AddSpineObjectFromWorkspaceListTask(List<SpineObjectWorkspaceConfigModel> models, IProgressReporter reporter, CancellationToken ct)
+        {
+            int totalCount = models.Count;
+            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 cfg = models[i];
+                reporter.ProgressText = $"[{i}/{totalCount}] {cfg}";
+
+                if (AddSpineObject(cfg))
+                    success++;
+                else
+                    error++;
+
+                reporter.Done = i + 1;
+                reporter.ProgressText = $"[{i + 1}/{totalCount}] {cfg}";
+                _vmMain.ProgressValue = (i + 1f) / totalCount;
+            }
+            _vmMain.ProgressState = TaskbarItemProgressState.None;
+
+            if (error > 0)
+                _logger.Warn("Batch load {0} successfully, {1} failed", success, error);
+            else
+                _logger.Info("{0} skel loaded successfully", success);
+
+            _logger.LogCurrentProcessMemoryUsage();
+
+            // 从工作区加载需要同步一次时间轴
+            lock (_spineObjectModels.Lock)
+            {
+                foreach (var sp in _spineObjectModels) 
+                    sp.ResetAnimationsTime();
+            }
+        }
     }
 }
diff --git a/SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs b/SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs
index 6b24919..19fb81a 100644
--- a/SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs
@@ -786,7 +786,7 @@ namespace SpineViewer.ViewModels.MainWindow
             {
                 get
                 {
-                    /// XXX: 空轨道和多选不相同都会返回 null
+                    // XXX: 空轨道和多选不相同都会返回 null
                     if (_spines.Length <= 0) return null;
                     var val = _spines[0].GetAnimation(_trackIndex);
                     if (_spines.Skip(1).Any(it => it.GetAnimation(_trackIndex) != val)) return null;
diff --git a/SpineViewer/Views/MainWindow.xaml b/SpineViewer/Views/MainWindow.xaml
index 3462723..b9db125 100644
--- a/SpineViewer/Views/MainWindow.xaml
+++ b/SpineViewer/Views/MainWindow.xaml
@@ -6,7 +6,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:hc="https://handyorg.github.io/handycontrol"
         xmlns:vm="clr-namespace:SpineViewer.ViewModels.MainWindow"
-        xmlns:ext="clr-namespace:SpineViewer.Extensions"
+        xmlns:utils="clr-namespace:SpineViewer.Utils"
         xmlns:SFMLRenderer="clr-namespace:SFMLRenderer;assembly=SFMLRenderer"
         mc:Ignorable="d"
         Title="{Binding Title}"
@@ -35,7 +35,7 @@
                 </Trigger>
             </Style.Triggers>
         </Style>
-        <ext:StringFormatMultiValueConverter x:Key="StrFmtCvter"/>
+        <utils:StringFormatMultiValueConverter x:Key="StrFmtCvter"/>
     </Window.Resources>
 
     <Window.TaskbarItemInfo>
@@ -56,7 +56,8 @@
                 <!-- 菜单 -->
                 <Menu x:Name="_mainMenu">
                     <MenuItem Header="{DynamicResource Str_File}">
-                        <MenuItem Header="{DynamicResource Str_Open}" InputGestureText="Ctrl+O"/>
+                        <MenuItem Header="{DynamicResource Str_OpenWorkspace}" Command="{Binding Cmd_OpenWorkspace}"/>
+                        <MenuItem Header="{DynamicResource Str_SaveWorkspace}" Command="{Binding Cmd_SaveWorkspace}"/>
                         <Separator/>
                         <MenuItem Header="{DynamicResource Str_PreferenceWithDots}" Command="{Binding PreferenceViewModel.Cmd_ShowPreferenceDialog}"/>
                         <!--<MenuItem Header="{DynamicResource Str_Exit}" InputGestureText="Alt+F4"/>-->
@@ -244,7 +245,6 @@
                                             </i:Interaction.Triggers>
 
                                             <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}"/>
@@ -257,7 +257,6 @@
                                             <ListView.ContextMenu>
                                                 <ContextMenu>
                                                     <MenuItem Header="{DynamicResource Str_AddSpineObject}"
-                                                              InputGestureText="Ctrl+O"
                                                               Command="{Binding Cmd_AddSpineObject}"/>
                                                     <MenuItem Header="{DynamicResource Str_RemoveSpineObject}"
                                                               InputGestureText="Delete"