diff --git a/SpineViewer/Controls/SpineListView.cs b/SpineViewer/Controls/SpineListView.cs
index b3b4729..b1c4905 100644
--- a/SpineViewer/Controls/SpineListView.cs
+++ b/SpineViewer/Controls/SpineListView.cs
@@ -12,16 +12,11 @@ using SpineViewer.Spine;
 using System.Reflection;
 using System.Diagnostics;
 using System.Collections.Specialized;
+using NLog;
 namespace SpineViewer.Controls
 {
     public partial class SpineListView : UserControl
     {
-        /// <summary>
-        /// 显示骨骼信息的属性面板
-        /// </summary>
-        [Category("自定义"), Description("用于显示骨骼属性的属性页")]
-        public PropertyGrid? PropertyGrid { get; set; }
-
         /// <summary>
         /// Spine 列表只读视图, 访问时必须使用 lock 语句锁定视图本身
         /// </summary>
@@ -32,12 +27,23 @@ namespace SpineViewer.Controls
         /// </summary>
         private readonly List<Spine.Spine> spines = [];
 
+        /// <summary>
+        /// 日志器
+        /// </summary>
+        protected readonly Logger logger = LogManager.GetCurrentClassLogger();
+
         public SpineListView()
         {
             InitializeComponent();
             Spines = spines.AsReadOnly();
         }
 
+        /// <summary>
+        /// 显示骨骼信息的属性面板
+        /// </summary>
+        [Category("自定义"), Description("用于显示骨骼属性的属性页")]
+        public PropertyGrid? PropertyGrid { get; set; }
+
         /// <summary>
         /// 选中的索引
         /// </summary>
@@ -87,12 +93,12 @@ namespace SpineViewer.Controls
             }
             catch (Exception ex)
             {
-                Program.Logger.Error(ex.ToString());
-                Program.Logger.Error("Failed to load {} {}", result.SkelPath, result.AtlasPath);
+                logger.Error(ex.ToString());
+                logger.Error("Failed to load {} {}", result.SkelPath, result.AtlasPath);
                 MessageBox.Error(ex.ToString(), "骨骼加载失败");
             }
 
-            Program.LogCurrentMemoryUsage();
+            logger.LogCurrentProcessMemoryUsage();
         }
 
         /// <summary>
@@ -109,7 +115,7 @@ namespace SpineViewer.Controls
         /// <summary>
         /// 从结果批量添加
         /// </summary>
-        public void BatchAdd(Dialogs.BatchOpenSpineDialogResult result)
+        private void BatchAdd(Dialogs.BatchOpenSpineDialogResult result)
         {
             var progressDialog = new Dialogs.ProgressDialog();
             progressDialog.DoWork += BatchAdd_Work;
@@ -157,8 +163,8 @@ namespace SpineViewer.Controls
                 }
                 catch (Exception ex)
                 {
-                    Program.Logger.Error(ex.ToString());
-                    Program.Logger.Error("Failed to load {}", skelPath);
+                    logger.Error(ex.ToString());
+                    logger.Error("Failed to load {}", skelPath);
                     error++;
                 }
 
@@ -176,11 +182,11 @@ namespace SpineViewer.Controls
             });
 
             if (error > 0)
-                Program.Logger.Warn("Batch load {} successfully, {} failed", success, error);
+                logger.Warn("Batch load {} successfully, {} failed", success, error);
             else
-                Program.Logger.Info("{} skel loaded successfully", success);
+                logger.Info("{} skel loaded successfully", success);
 
-            Program.LogCurrentMemoryUsage();
+            logger.LogCurrentProcessMemoryUsage();
         }
 
         /// <summary>
@@ -500,13 +506,16 @@ namespace SpineViewer.Controls
         private void toolStripMenuItem_CopyPreview_Click(object sender, EventArgs e)
         {
             var fileDropList = new StringCollection();
+            var tempDir = Path.Combine(Path.GetTempPath(), Process.GetCurrentProcess().ProcessName);
+            Directory.CreateDirectory(tempDir);
 
             lock (Spines)
             {
                 foreach (int i in listView.SelectedIndices)
                 {
+                    var a = Process.GetCurrentProcess();
                     var spine = spines[i];
-                    var path = Path.Combine(Program.TempDir, $"{spine.ID}.png");
+                    var path = Path.Combine(tempDir, $"{spine.ID}.png");
                     spine.Preview.Save(path);
                     fileDropList.Add(path);
                 }
diff --git a/SpineViewer/Dialogs/AboutDialog.cs b/SpineViewer/Dialogs/AboutDialog.cs
index b123164..d7d4198 100644
--- a/SpineViewer/Dialogs/AboutDialog.cs
+++ b/SpineViewer/Dialogs/AboutDialog.cs
@@ -15,12 +15,20 @@ namespace SpineViewer.Dialogs
         public AboutDialog()
         {
             InitializeComponent();
-            Text = $"关于 {Program.Name}";
+            Text = $"关于 {ProgramName}";
             label_Version.Text = $"v{InformationalVersion}";
         }
 
-        public string InformationalVersion => 
-            Assembly.GetExecutingAssembly().GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
+        public string ProgramName => Process.GetCurrentProcess().ProcessName;
+
+        public string InformationalVersion
+            => Assembly.GetExecutingAssembly().GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
+
+        public string ProgramUrl
+        {
+            get => linkLabel_RepoUrl.Text;
+            set => linkLabel_RepoUrl.Text = value;
+        }
 
         private void linkLabel_RepoUrl_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
         {
diff --git a/SpineViewer/Dialogs/BatchOpenSpineDialog.cs b/SpineViewer/Dialogs/BatchOpenSpineDialog.cs
index 5e753eb..be2ed8a 100644
--- a/SpineViewer/Dialogs/BatchOpenSpineDialog.cs
+++ b/SpineViewer/Dialogs/BatchOpenSpineDialog.cs
@@ -21,7 +21,7 @@ namespace SpineViewer.Dialogs
         public BatchOpenSpineDialog()
         {
             InitializeComponent();
-            comboBox_Version.DataSource = VersionHelper.Names.ToList();
+            comboBox_Version.DataSource = SpineHelper.Names.ToList();
             comboBox_Version.DisplayMember = "Value";
             comboBox_Version.ValueMember = "Key";
             comboBox_Version.SelectedValue = Spine.Version.Auto;
diff --git a/SpineViewer/Dialogs/ConvertFileFormatDialog.cs b/SpineViewer/Dialogs/ConvertFileFormatDialog.cs
index a3363cb..2da3d3f 100644
--- a/SpineViewer/Dialogs/ConvertFileFormatDialog.cs
+++ b/SpineViewer/Dialogs/ConvertFileFormatDialog.cs
@@ -22,13 +22,13 @@ namespace SpineViewer.Dialogs
         {
             InitializeComponent();
 
-            comboBox_SourceVersion.DataSource = VersionHelper.Names.ToList();
+            comboBox_SourceVersion.DataSource = SpineHelper.Names.ToList();
             comboBox_SourceVersion.DisplayMember = "Value";
             comboBox_SourceVersion.ValueMember = "Key";
             comboBox_SourceVersion.SelectedValue = Spine.Version.Auto;
 
             // 目标版本不包含自动
-            var versionsWithoutAuto = VersionHelper.Names.ToDictionary();
+            var versionsWithoutAuto = SpineHelper.Names.ToDictionary();
             versionsWithoutAuto.Remove(Spine.Version.Auto);
             comboBox_TargetVersion.DataSource = versionsWithoutAuto.ToList();
             comboBox_TargetVersion.DisplayMember = "Value";
diff --git a/SpineViewer/Dialogs/OpenSpineDialog.cs b/SpineViewer/Dialogs/OpenSpineDialog.cs
index d270855..464e714 100644
--- a/SpineViewer/Dialogs/OpenSpineDialog.cs
+++ b/SpineViewer/Dialogs/OpenSpineDialog.cs
@@ -20,7 +20,7 @@ namespace SpineViewer.Dialogs
         public OpenSpineDialog()
         {
             InitializeComponent();
-            comboBox_Version.DataSource = VersionHelper.Names.ToList();
+            comboBox_Version.DataSource = SpineHelper.Names.ToList();
             comboBox_Version.DisplayMember = "Value";
             comboBox_Version.ValueMember = "Key";
             comboBox_Version.SelectedValue = Spine.Version.Auto;
diff --git a/SpineViewer/Dialogs/ProgressDialog.cs b/SpineViewer/Dialogs/ProgressDialog.cs
index b1fb3c6..91dbfa8 100644
--- a/SpineViewer/Dialogs/ProgressDialog.cs
+++ b/SpineViewer/Dialogs/ProgressDialog.cs
@@ -1,4 +1,5 @@
-using System;
+using NLog;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
@@ -12,6 +13,13 @@ namespace SpineViewer.Dialogs
 {
     public partial class ProgressDialog : Form
     {
+        private Logger logger = LogManager.GetCurrentClassLogger();
+
+        public ProgressDialog()
+        {
+            InitializeComponent();
+        }
+
         /// <summary>
         /// BackgroundWorker.DoWork 接口暴露
         /// </summary>
@@ -32,11 +40,6 @@ namespace SpineViewer.Dialogs
         /// </summary>
         public void RunWorkerAsync(object? argument) => backgroundWorker.RunWorkerAsync(argument);
 
-        public ProgressDialog()
-        {
-            InitializeComponent();
-        }
-
         private void backgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
         {
             label_Tip.Text = e.UserState as string;
@@ -47,7 +50,7 @@ namespace SpineViewer.Dialogs
         {
             if (e.Error != null)
             {
-                Program.Logger.Error(e.Error.ToString());
+                logger.Error(e.Error.ToString());
                 MessageBox.Error(e.Error.ToString(), "执行出错");
                 DialogResult = DialogResult.Abort;
             }
diff --git a/SpineViewer/Exporter/ExportArgs.cs b/SpineViewer/Exporter/ExportArgs.cs
index c0ba23b..308e2f3 100644
--- a/SpineViewer/Exporter/ExportArgs.cs
+++ b/SpineViewer/Exporter/ExportArgs.cs
@@ -25,7 +25,7 @@ namespace SpineViewer.Exporter
         /// <param name="renderSelectedOnly">仅渲染选中</param>
         /// <returns>返回与指定 <paramref name="exportType"/> 匹配的导出参数实例</returns>
         public static ExportArgs New(ExportType exportType, Size resolution, SFML.Graphics.View view, bool renderSelectedOnly)
-            => New(exportType, resolution, view, renderSelectedOnly);
+            => New(exportType, [resolution, view, renderSelectedOnly]);
 
         public ExportArgs(Size resolution, SFML.Graphics.View view, bool renderSelectedOnly)
         {
diff --git a/SpineViewer/Exporter/Exporter.cs b/SpineViewer/Exporter/Exporter.cs
index 298e420..2541937 100644
--- a/SpineViewer/Exporter/Exporter.cs
+++ b/SpineViewer/Exporter/Exporter.cs
@@ -1,4 +1,5 @@
-using SpineViewer.Spine;
+using NLog;
+using SpineViewer.Spine;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -20,7 +21,12 @@ namespace SpineViewer.Exporter
         /// <param name="exportType">导出类型</param>
         /// <param name="exportArgs">与 <paramref name="exportType"/> 匹配的导出参数</param>
         /// <returns>与 <paramref name="exportType"/> 匹配的导出器</returns>
-        public static Exporter New(ExportType exportType, ExportArgs exportArgs) => New(exportType, exportArgs);
+        public static Exporter New(ExportType exportType, ExportArgs exportArgs) => New(exportType, [exportArgs]);
+
+        /// <summary>
+        /// 日志器
+        /// </summary>
+        protected Logger logger = LogManager.GetCurrentClassLogger();
 
         /// <summary>
         /// 导出参数
@@ -91,7 +97,7 @@ namespace SpineViewer.Exporter
             if (ExportArgs.ExportSingle) ExportSingle(spinesToRender, worker);
             else ExportIndividual(spinesToRender, worker);
 
-            Program.LogCurrentMemoryUsage();
+            logger.LogCurrentProcessMemoryUsage();
         }
     }
 }
diff --git a/SpineViewer/Exporter/Implementations/ExportArgs/GifExportArgs.cs b/SpineViewer/Exporter/Implementations/ExportArgs/GifExportArgs.cs
index 7daaf39..2266f77 100644
--- a/SpineViewer/Exporter/Implementations/ExportArgs/GifExportArgs.cs
+++ b/SpineViewer/Exporter/Implementations/ExportArgs/GifExportArgs.cs
@@ -16,7 +16,7 @@ namespace SpineViewer.Exporter.Implementations.ExportArgs
         public GifExportArgs(Size resolution, SFML.Graphics.View view, bool renderSelectedOnly) : base(resolution, view, renderSelectedOnly) 
         {
             // GIF 的帧率不能太高, 超过 50 帧反而会变慢
-            FPS = 25;
+            FPS = 12;
         }
 
         /// <summary>
diff --git a/SpineViewer/Exporter/Implementations/Exporter/FrameExporter.cs b/SpineViewer/Exporter/Implementations/Exporter/FrameExporter.cs
index 5df4f3d..1e76a31 100644
--- a/SpineViewer/Exporter/Implementations/Exporter/FrameExporter.cs
+++ b/SpineViewer/Exporter/Implementations/Exporter/FrameExporter.cs
@@ -35,8 +35,8 @@ namespace SpineViewer.Exporter.Implementations.Exporter
             }
             catch (Exception ex)
             {
-                Program.Logger.Error(ex.ToString());
-                Program.Logger.Error("Failed to save single frame");
+                logger.Error(ex.ToString());
+                logger.Error("Failed to save single frame");
             }
             worker?.ReportProgress(100, $"已处理 1/1");
         }
@@ -68,8 +68,8 @@ namespace SpineViewer.Exporter.Implementations.Exporter
                 }
                 catch (Exception ex)
                 {
-                    Program.Logger.Error(ex.ToString());
-                    Program.Logger.Error("Failed to save frame {} {}", savePath, spine.SkelPath);
+                    logger.Error(ex.ToString());
+                    logger.Error("Failed to save frame {} {}", savePath, spine.SkelPath);
                     error++;
                 }
 
@@ -77,9 +77,9 @@ namespace SpineViewer.Exporter.Implementations.Exporter
             }
 
             if (error > 0)
-                Program.Logger.Warn("Frames save {} successfully, {} failed", success, error);
+                logger.Warn("Frames save {} successfully, {} failed", success, error);
             else
-                Program.Logger.Info("{} frames saved successfully", success);
+                logger.Info("{} frames saved successfully", success);
         }
     }
 
diff --git a/SpineViewer/Exporter/Implementations/Exporter/FrameSequenceExporter.cs b/SpineViewer/Exporter/Implementations/Exporter/FrameSequenceExporter.cs
index 1afe7e8..c51021f 100644
--- a/SpineViewer/Exporter/Implementations/Exporter/FrameSequenceExporter.cs
+++ b/SpineViewer/Exporter/Implementations/Exporter/FrameSequenceExporter.cs
@@ -37,8 +37,8 @@ namespace SpineViewer.Exporter.Implementations.Exporter
                 }
                 catch (Exception ex)
                 {
-                    Program.Logger.Error(ex.ToString());
-                    Program.Logger.Error("Failed to save frame {}", savePath);
+                    logger.Error(ex.ToString());
+                    logger.Error("Failed to save frame {}", savePath);
                 }
                 finally
                 {
@@ -72,8 +72,8 @@ namespace SpineViewer.Exporter.Implementations.Exporter
                     }
                     catch (Exception ex)
                     {
-                        Program.Logger.Error(ex.ToString());
-                        Program.Logger.Error("Failed to save frame {} {}", savePath, spine.SkelPath);
+                        logger.Error(ex.ToString());
+                        logger.Error("Failed to save frame {} {}", savePath, spine.SkelPath);
                     }
                     finally
                     {
diff --git a/SpineViewer/Exporter/Implementations/Exporter/GifExporter.cs b/SpineViewer/Exporter/Implementations/Exporter/GifExporter.cs
index 3053675..7f74532 100644
--- a/SpineViewer/Exporter/Implementations/Exporter/GifExporter.cs
+++ b/SpineViewer/Exporter/Implementations/Exporter/GifExporter.cs
@@ -39,8 +39,8 @@ namespace SpineViewer.Exporter.Implementations.Exporter
             }
             catch (Exception ex)
             {
-                Program.Logger.Error(ex.ToString());
-                Program.Logger.Error("Failed to export gif {}", savePath);
+                logger.Error(ex.ToString());
+                logger.Error("Failed to export gif {}", savePath);
             }
         }
 
@@ -67,8 +67,8 @@ namespace SpineViewer.Exporter.Implementations.Exporter
                 }
                 catch (Exception ex)
                 {
-                    Program.Logger.Error(ex.ToString());
-                    Program.Logger.Error("Failed to export gif {} {}", savePath, spine.SkelPath);
+                    logger.Error(ex.ToString());
+                    logger.Error("Failed to export gif {} {}", savePath, spine.SkelPath);
                 }
             }
         }
diff --git a/SpineViewer/Exporter/Implementations/Exporter/VideoExporter.cs b/SpineViewer/Exporter/Implementations/Exporter/VideoExporter.cs
index 38eca9f..0cfda8f 100644
--- a/SpineViewer/Exporter/Implementations/Exporter/VideoExporter.cs
+++ b/SpineViewer/Exporter/Implementations/Exporter/VideoExporter.cs
@@ -35,7 +35,7 @@ namespace SpineViewer.Exporter.Implementations.Exporter
             {
                 if (worker?.CancellationPending == true)
                 {
-                    Program.Logger.Info("Export cancelled");
+                    logger.Info("Export cancelled");
                     break;
                 }
 
@@ -61,7 +61,7 @@ namespace SpineViewer.Exporter.Implementations.Exporter
             {
                 if (worker?.CancellationPending == true)
                 {
-                    Program.Logger.Info("Export cancelled");
+                    logger.Info("Export cancelled");
                     break;
                 }
 
diff --git a/SpineViewer/ImplementationResolver.cs b/SpineViewer/ImplementationResolver.cs
index 43b1558..07eea04 100644
--- a/SpineViewer/ImplementationResolver.cs
+++ b/SpineViewer/ImplementationResolver.cs
@@ -41,7 +41,7 @@ namespace SpineViewer
                     ImplementationTypes[key] = type;
                 }
             }
-            Program.Logger.Debug("Found implementations for {}: {}", baseType, string.Join(", ", ImplementationTypes.Keys));
+            NLog.LogManager.GetCurrentClassLogger().Debug("Found implementations for {}: {}", baseType, string.Join(", ", ImplementationTypes.Keys));
         }
 
         /// <summary>
@@ -56,7 +56,7 @@ namespace SpineViewer
         /// <param name="args"></param>
         /// <returns></returns>
         /// <exception cref="NotImplementedException"></exception>
-        protected static TBase New(TKey impKey, params object?[]? args)
+        protected static TBase New(TKey impKey, object?[] args)
         {
             if (!ImplementationTypes.TryGetValue(impKey, out var type))
                 throw new NotImplementedException($"Not implemented type for {typeof(TBase)}: {impKey}");
diff --git a/SpineViewer/MainForm.cs b/SpineViewer/MainForm.cs
index fde3d90..4314cf3 100644
--- a/SpineViewer/MainForm.cs
+++ b/SpineViewer/MainForm.cs
@@ -14,6 +14,8 @@ namespace SpineViewer
 {
     public partial class MainForm : Form
     {
+        private Logger logger = LogManager.GetCurrentClassLogger();
+
         public MainForm()
         {
             InitializeComponent();
@@ -187,10 +189,14 @@ namespace SpineViewer
                 {
                     if (srcVersion == Spine.Version.Auto)
                     {
-                        if (Spine.Spine.GetVersion(skelPath) is Spine.Version detectedSrcVersion)
-                            srcCvter = SkeletonConverter.New(detectedSrcVersion);
-                        else
-                            throw new InvalidDataException($"Auto version detection failed for {skelPath}, try to use a specific version");
+                        try
+                        {
+                            srcCvter = SkeletonConverter.New(Spine.Spine.GetVersion(skelPath));
+                        }
+                        catch (Exception ex)
+                        {
+                            throw new InvalidDataException($"Auto version detection failed for {skelPath}, try to use a specific version", ex);
+                        }
                     }
                     var root = srcCvter.Read(skelPath);
                     root = srcCvter.ToVersion(root, tgtVersion);
@@ -199,8 +205,8 @@ namespace SpineViewer
                 }
                 catch (Exception ex)
                 {
-                    Program.Logger.Error(ex.ToString());
-                    Program.Logger.Error("Failed to convert {}", skelPath);
+                    logger.Error(ex.ToString());
+                    logger.Error("Failed to convert {}", skelPath);
                     error++;
                 }
 
@@ -209,11 +215,11 @@ namespace SpineViewer
 
             if (error > 0)
             {
-                Program.Logger.Warn("Batch convert {} successfully, {} failed", success, error);
+                logger.Warn("Batch convert {} successfully, {} failed", success, error);
             }
             else
             {
-                Program.Logger.Info("{} skel converted successfully", success);
+                logger.Info("{} skel converted successfully", success);
             }
         }
 
diff --git a/SpineViewer/NLogExtension.cs b/SpineViewer/NLogExtension.cs
new file mode 100644
index 0000000..d6b2d6b
--- /dev/null
+++ b/SpineViewer/NLogExtension.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer
+{
+    public static class NLogExtension
+    {
+        /// <summary>
+        /// 输出当前进程的内存占用
+        /// </summary>
+        public static void LogCurrentProcessMemoryUsage(this NLog.Logger logger)
+        {
+            var process = Process.GetCurrentProcess();
+            logger.Info("Current memory usage for {}: {:F2} MB", process.ProcessName, process.WorkingSet64 / 1024.0 / 1024.0);
+        }
+    }
+}
diff --git a/SpineViewer/Program.cs b/SpineViewer/Program.cs
index 127c06e..907063d 100644
--- a/SpineViewer/Program.cs
+++ b/SpineViewer/Program.cs
@@ -5,35 +5,30 @@ namespace SpineViewer
 {
     internal static class Program
     {
-        /// <summary>
-        /// 程序路径
-        /// </summary>
-        public static readonly string FilePath = Environment.ProcessPath;
+        ///// <summary>
+        ///// 程序路径
+        ///// </summary>
+        //public static readonly string FilePath = Environment.ProcessPath;
 
-        /// <summary>
-        /// 程序名
-        /// </summary>
-        public static readonly string Name = Path.GetFileNameWithoutExtension(FilePath);
+        ///// <summary>
+        ///// 程序名
+        ///// </summary>
+        //public static readonly string Name = Path.GetFileNameWithoutExtension(FilePath);
 
-        /// <summary>
-        /// 程序目录
-        /// </summary>
-        public static readonly string RootDir = Path.GetDirectoryName(FilePath);
+        ///// <summary>
+        ///// 程序目录
+        ///// </summary>
+        //public static readonly string RootDir = Path.GetDirectoryName(FilePath);
 
-        /// <summary>
-        /// 程序临时目录
-        /// </summary>
-        public static readonly string TempDir = Directory.CreateDirectory(Path.Combine(Path.GetTempPath(), Name)).FullName;
-
-        /// <summary>
-        /// 程序进程
-        /// </summary>
-        public static readonly Process Process = Process.GetCurrentProcess();
+        ///// <summary>
+        ///// 程序临时目录
+        ///// </summary>
+        //public static readonly string TempDir = Directory.CreateDirectory(Path.Combine(Path.GetTempPath(), Name)).FullName;
 
         /// <summary>
         /// 程序日志器
         /// </summary>
-        public static readonly Logger Logger = LogManager.GetCurrentClassLogger();
+        private static readonly Logger logger = LogManager.GetCurrentClassLogger();
 
         /// <summary>
         /// 应用入口点
@@ -41,8 +36,9 @@ namespace SpineViewer
         [STAThread]
         static void Main()
         {
+            // 此处先初始化全局配置再触发静态字段 Logger 引用构造, 才能将配置应用到新的日志器上
             InitializeLogConfiguration();
-            Logger.Info("Program Started");
+            logger.Info("Program Started");
 
             // To customize application configuration such as set high DPI settings or default font,
             // see https://aka.ms/applicationconfiguration.
@@ -54,7 +50,7 @@ namespace SpineViewer
             }
             catch (Exception ex)
             {
-                Logger.Fatal(ex.ToString());
+                logger.Fatal(ex.ToString());
                 MessageBox.Error(ex.ToString(), "程序已崩溃");
             }
         }
@@ -82,10 +78,5 @@ namespace SpineViewer
             config.AddRule(LogLevel.Debug, LogLevel.Fatal, fileTarget);
             LogManager.Configuration = config;
         }
-
-        /// <summary>
-        /// 输出当前内存使用情况
-        /// </summary>
-        public static void LogCurrentMemoryUsage() => Logger.Info("Current memory usage: {:F2} MB", Process.WorkingSet64 / 1024.0 / 1024.0);
     }
 }
\ No newline at end of file
diff --git a/SpineViewer/Spine/SkeletonConverter.cs b/SpineViewer/Spine/SkeletonConverter.cs
index b3faf57..e88e0fe 100644
--- a/SpineViewer/Spine/SkeletonConverter.cs
+++ b/SpineViewer/Spine/SkeletonConverter.cs
@@ -20,7 +20,7 @@ namespace SpineViewer.Spine
         /// <summary>
         /// 创建特定版本的 SkeletonConverter
         /// </summary>
-        public static SkeletonConverter New(Version version) => New(version);
+        public static SkeletonConverter New(Version version) => New(version, []);
 
         /// <summary>
         /// Json 格式控制
diff --git a/SpineViewer/Spine/Spine.cs b/SpineViewer/Spine/Spine.cs
index fcf5751..8ba7333 100644
--- a/SpineViewer/Spine/Spine.cs
+++ b/SpineViewer/Spine/Spine.cs
@@ -76,19 +76,22 @@ namespace SpineViewer.Spine
             catch (Exception ex)
             {
                 FragmentShader = null;
-                Program.Logger.Error(ex.ToString());
-                Program.Logger.Error("Failed to load fragment shader");
-                MessageBox.Warn("Fragment shader 加载失败，预乘Alpha通道属性失效");
+                var logger = NLog.LogManager.GetCurrentClassLogger();
+                logger.Error(ex.ToString());
+                logger.Error("Failed to load fragment shader");
+                MessageBox.Warn("Fragment shader 加载失败，预乘Alpha通道属性失效"); // TODO: 去除对窗体的调用
             }
         }
 
         /// <summary>
         /// 尝试检测骨骼文件版本
         /// </summary>
-        public static Version? GetVersion(string skelPath)
+        /// <param name="skelPath"></param>
+        /// <returns></returns>
+        /// <exception cref="InvalidDataException"></exception>
+        public static Version GetVersion(string skelPath)
         {
             string versionString = null;
-            Version? version = null;
             using var input = File.OpenRead(skelPath);
             var reader = new SkeletonConverter.BinaryReader(input);
 
@@ -129,20 +132,9 @@ namespace SpineViewer.Spine
                 catch { }
             }
 
-            if (versionString is not null)
-            {
-                if (versionString.StartsWith("2.1.")) version = Version.V21;
-                else if (versionString.StartsWith("3.6.")) version = Version.V36;
-                else if (versionString.StartsWith("3.7.")) version = Version.V37;
-                else if (versionString.StartsWith("3.8.")) version = Version.V38;
-                else if (versionString.StartsWith("4.0.")) version = Version.V40;
-                else if (versionString.StartsWith("4.1.")) version = Version.V41;
-                else if (versionString.StartsWith("4.2.")) version = Version.V42;
-                else if (versionString.StartsWith("4.3.")) version = Version.V43;
-                else Program.Logger.Error("Unknown verison: {}, {}", versionString, skelPath);
-            }
-
-            return version;
+            if (versionString is null)
+                throw new InvalidDataException($"No verison detected: {skelPath}");
+            return SpineHelper.GetVersion(versionString);
         }
 
         /// <summary>
@@ -150,14 +142,8 @@ namespace SpineViewer.Spine
         /// </summary>
         public static Spine New(Version version, string skelPath, string? atlasPath = null)
         {
-            if (version == Version.Auto)
-            {
-                if (GetVersion(skelPath) is Version detectedVersion)
-                    version = detectedVersion;
-                else
-                    throw new InvalidDataException($"Auto version detection failed for {skelPath}, try to use a specific version");
-            }
-            var spine = New(version, skelPath, atlasPath);
+            if (version == Version.Auto) version = GetVersion(skelPath);
+            var spine = New(version, [skelPath, atlasPath]);
 
             // 统一初始化
             spine.initBounds = spine.Bounds;
diff --git a/SpineViewer/Spine/SpineHelper.cs b/SpineViewer/Spine/SpineHelper.cs
index 3944aee..20853b7 100644
--- a/SpineViewer/Spine/SpineHelper.cs
+++ b/SpineViewer/Spine/SpineHelper.cs
@@ -37,7 +37,7 @@ namespace SpineViewer.Spine
     /// <summary>
     /// Spine 版本静态辅助类
     /// </summary>
-    public static class VersionHelper
+    public static class SpineHelper
     {
         /// <summary>
         /// 版本名称
@@ -50,7 +50,7 @@ namespace SpineViewer.Spine
         /// </summary>
         private static readonly Dictionary<Version, string> runtimes = [];
 
-        static VersionHelper()
+        static SpineHelper()
         {
             // 初始化缓存
             foreach (var value in Enum.GetValues(typeof(Version)))
@@ -85,5 +85,25 @@ namespace SpineViewer.Spine
         {
             return runtimes.TryGetValue(version, out var val) ? val : GetName(version);
         }
+
+        /// <summary>
+        /// 获取字符串对应的版本号
+        /// </summary>
+        /// <param name="versionString"></param>
+        /// <returns></returns>
+        /// <exception cref="InvalidDataException"></exception>
+        public static Version GetVersion(string versionString)
+        {
+            ArgumentNullException.ThrowIfNullOrEmpty(versionString);
+            if (versionString.StartsWith("2.1.")) return Version.V21;
+            else if (versionString.StartsWith("3.6.")) return Version.V36;
+            else if (versionString.StartsWith("3.7.")) return Version.V37;
+            else if (versionString.StartsWith("3.8.")) return Version.V38;
+            else if (versionString.StartsWith("4.0.")) return Version.V40;
+            else if (versionString.StartsWith("4.1.")) return Version.V41;
+            else if (versionString.StartsWith("4.2.")) return Version.V42;
+            else if (versionString.StartsWith("4.3.")) return Version.V43;
+            else throw new InvalidDataException($"Unknown verison: {versionString}");
+        }
     }
 }