diff --git a/src/Convert2Lf/Main.cs b/src/Convert2Lf/Main.cs
deleted file mode 100644
index eb6b801..0000000
--- a/src/Convert2Lf/Main.cs
+++ /dev/null
@@ -1,113 +0,0 @@
-using System.Diagnostics.CodeAnalysis;
-
-namespace Dot.Convert2Lf;
-
-public sealed class Main : Tool<Option>, IDisposable
-{
-    private                 int              _breakCnt;
-    private                 bool             _disposed;
-    private static readonly object           _lockObj = new();
-    private                 int              _procedCnt;
-    private                 int              _replaceCnt;
-    private                 ChildProgressBar _step2Bar;
-    private                 int              _totalCnt;
-    public Main(Option opt) : base(opt) { }
-
-
-    ~Main()
-    {
-        Dispose(false);
-    }
-
-    private void Dispose(bool disposing)
-    {
-        if (_disposed) return;
-        if (disposing) _step2Bar?.Dispose();
-        _disposed = true;
-    }
-
-    private void FileHandle(string file)
-    {
-        _step2Bar.Tick();
-        ShowMessage(1, 0, 0);
-
-        var tmpFile    = $"{file}.tmp";
-        var isReplaced = false;
-        var isBin      = false;
-        int data;
-
-        using (var fsr = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) {
-            using var fsw = new FileStream(tmpFile, FileMode.OpenOrCreate, FileAccess.Write);
-
-            while ((data = fsr.ReadByte()) != -1) {
-                switch (data) {
-                    case 0x0d when fsr.ReadByte() == 0x0a: // crlf windows
-                        fsw.WriteByte(0x0a);
-                        isReplaced = true;
-                        continue;
-                    case 0x0d: //cr macos
-                        fsw.WriteByte(0x0a);
-                        fsr.Seek(-1, SeekOrigin.Current);
-                        isReplaced = true;
-                        continue;
-                    case 0x00 or 0xff: //非文本文件
-                        isBin = true;
-                        break;
-                    default:
-                        fsw.WriteByte((byte)data);
-                        continue;
-                }
-
-                break;
-            }
-        }
-
-
-        if (isReplaced && !isBin) {
-            MoveFile(tmpFile, file);
-
-            ShowMessage(0, 1, 0);
-        }
-        else {
-            File.Delete(tmpFile);
-            ShowMessage(0, 0, 1);
-        }
-    }
-
-
-    private void ShowMessage(int procedCnt, int replaceCnt, int breakCnt)
-    {
-        lock (_lockObj) {
-            _procedCnt        += procedCnt;
-            _replaceCnt       += replaceCnt;
-            _breakCnt         += breakCnt;
-            _step2Bar.Message =  $"已处理：{_procedCnt}/{_totalCnt}，替换：{_replaceCnt}，跳过：{_breakCnt}";
-        }
-    }
-
-    public void Dispose()
-    {
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
-
-    [SuppressMessage("ReSharper", "PossibleMultipleEnumeration")]
-    public override void Run()
-    {
-        if (!Directory.Exists(Opt.Path)) throw new ArgumentException(nameof(Opt.Path), $"指定的路径“{Opt.Path}”不存在");
-
-
-        using var step1Bar = new IndeterminateProgressBar("查找文件...", DefaultProgressBarOptions);
-
-
-        var fileList = EnumerateFiles(Opt.Path, Opt.Filter);
-        _totalCnt = fileList.Count();
-
-        step1Bar.Message = "查找文件...OK";
-        step1Bar.Finished();
-
-        _step2Bar = step1Bar.Spawn(_totalCnt, string.Empty, DefaultProgressBarOptions);
-
-        Parallel.ForEach(fileList, FileHandle);
-    }
-}
\ No newline at end of file
diff --git a/src/Convert2Lf/Option.cs b/src/Convert2Lf/Option.cs
deleted file mode 100644
index 35a84b7..0000000
--- a/src/Convert2Lf/Option.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-namespace Dot.Convert2Lf;
-
-[Verb("convert-lf", HelpText = "换行符转换为lf")]
-public class Option : IOption
-{
-    [Option('f', "filter", Required = false, HelpText = "文件通配符", Default = "*.*")]
-    public string Filter { get; set; } //normal options here
-
-    [Option('p', "path", Required = false, HelpText = "要处理的目录路径", Default = ".")]
-    public string Path { get; set; }
-}
\ No newline at end of file
diff --git a/src/RemoveTrailingWhiteSpace/Main.cs b/src/RemoveTrailingWhiteSpace/Main.cs
deleted file mode 100644
index 3667008..0000000
--- a/src/RemoveTrailingWhiteSpace/Main.cs
+++ /dev/null
@@ -1,103 +0,0 @@
-using System.Diagnostics.CodeAnalysis;
-using NSExt.Extensions;
-
-namespace Dot.RemoveTrailingWhiteSpace;
-
-public sealed class Main : Tool<Option>, IDisposable
-{
-    private                 int              _breakCnt;
-    private                 bool             _disposed;
-    private static readonly object           _lockObj = new();
-    private                 int              _procedCnt;
-    private                 int              _replaceCnt;
-    private                 ChildProgressBar _step2Bar;
-    private                 int              _totalCnt;
-    public Main(Option opt) : base(opt) { }
-
-
-    ~Main()
-    {
-        Dispose(false);
-    }
-
-    private void Dispose(bool disposing)
-    {
-        if (_disposed) return;
-        if (disposing) _step2Bar?.Dispose();
-        _disposed = true;
-    }
-
-    private void FileHandle(string file)
-    {
-        _step2Bar.Tick();
-        ShowMessage(1, 0, 0);
-        var spacesCnt = 0;
-
-        using var fsr = OpenFileToWrite(file);
-        if (fsr.Length == 0 || (spacesCnt = GetSpacesCnt(fsr)) == 0) {
-            ShowMessage(0, 0, 1);
-            return;
-        }
-
-        fsr.Seek(0, SeekOrigin.Begin);
-        if (!fsr.IsTextStream()) return;
-        ShowMessage(0, 1, 0);
-        fsr.SetLength(fsr.Length - spacesCnt);
-    }
-
-    private static int GetSpacesCnt(Stream fsr)
-    {
-        var trimLen = 0;
-        fsr.Seek(-1, SeekOrigin.End);
-        int data;
-        while ((data = fsr.ReadByte()) != -1)
-            if (new[] { 0x20, 0x0d, 0x0a }.Contains(data)) {
-                ++trimLen;
-                if (fsr.Position - 2 < 0) break;
-                fsr.Seek(-2, SeekOrigin.Current);
-            }
-            else {
-                break;
-            }
-
-        return trimLen;
-    }
-
-
-    private void ShowMessage(int procedCnt, int removeCnt, int breakCnt)
-    {
-        lock (_lockObj) {
-            _procedCnt        += procedCnt;
-            _replaceCnt       += removeCnt;
-            _breakCnt         += breakCnt;
-            _step2Bar.Message =  $"已处理：{_procedCnt}/{_totalCnt}，替换：{_replaceCnt}，跳过：{_breakCnt}";
-        }
-    }
-
-    public void Dispose()
-    {
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
-
-    /// <inheritdoc />
-    [SuppressMessage("ReSharper", "PossibleMultipleEnumeration")]
-    public override void Run()
-    {
-        if (!Directory.Exists(Opt.Path)) throw new ArgumentException(nameof(Opt.Path), $"指定的路径“{Opt.Path}”不存在");
-
-
-        using var step1Bar = new IndeterminateProgressBar("查找文件...", DefaultProgressBarOptions);
-
-
-        var fileList = EnumerateFiles(Opt.Path, Opt.Filter);
-        _totalCnt = fileList.Count();
-
-        step1Bar.Message = "查找文件...OK";
-        step1Bar.Finished();
-
-        _step2Bar = step1Bar.Spawn(_totalCnt, string.Empty, DefaultProgressBarOptions);
-
-        Parallel.ForEach(fileList, FileHandle);
-    }
-}
\ No newline at end of file
diff --git a/src/RemoveTrailingWhiteSpace/Option.cs b/src/RemoveTrailingWhiteSpace/Option.cs
deleted file mode 100644
index 3cf42c8..0000000
--- a/src/RemoveTrailingWhiteSpace/Option.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-namespace Dot.RemoveTrailingWhiteSpace;
-
-[Verb("remove-whitespace", HelpText = "移除文件尾部换行和空格")]
-public class Option : IOption
-{
-    [Option('f', "filter", Required = false, HelpText = "文件通配符", Default = "*.*")]
-    public string Filter { get; set; } //normal options here
-
-    [Option('p', "path", Required = false, HelpText = "要处理的目录路径", Default = ".")]
-    public string Path { get; set; }
-}
\ No newline at end of file
diff --git a/src/TrimUtf8Bom/Main.cs b/src/TrimUtf8Bom/Main.cs
deleted file mode 100644
index 93dc51f..0000000
--- a/src/TrimUtf8Bom/Main.cs
+++ /dev/null
@@ -1,90 +0,0 @@
-using System.Diagnostics.CodeAnalysis;
-
-namespace Dot.TrimUtf8Bom;
-
-public sealed class Main : Tool<Option>, IDisposable
-{
-    private                 int              _breakCnt;
-    private                 bool             _disposed;
-    private static readonly object           _lockObj = new();
-    private                 int              _procedCnt;
-    private                 ChildProgressBar _step2Bar;
-    private                 int              _totalCnt;
-    private                 int              _trimCnt;
-    public Main(Option opt) : base(opt) { }
-
-
-    ~Main()
-    {
-        Dispose(false);
-    }
-
-    private void Dispose(bool disposing)
-    {
-        if (_disposed) return;
-        if (disposing) _step2Bar?.Dispose();
-        _disposed = true;
-    }
-
-
-    private void ShowMessage(int procedCnt, int replaceCnt, int breakCnt)
-    {
-        lock (_lockObj) {
-            _procedCnt        += procedCnt;
-            _trimCnt          += replaceCnt;
-            _breakCnt         += breakCnt;
-            _step2Bar.Message =  $"已处理：{_procedCnt}/{_totalCnt}，移除BOM：{_trimCnt}，跳过：{_breakCnt}";
-        }
-    }
-
-    public void Dispose()
-    {
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
-
-    [SuppressMessage("ReSharper", "PossibleMultipleEnumeration")]
-    public override void Run()
-    {
-        if (!Directory.Exists(Opt.Path)) throw new ArgumentException(nameof(Opt.Path), $"指定的路径“{Opt.Path}”不存在");
-
-
-        var       utf8Bom  = new byte[] { 0xef, 0xbb, 0xbf };
-        using var step1Bar = new IndeterminateProgressBar("查找文件...", DefaultProgressBarOptions);
-
-
-        var fileList = EnumerateFiles(Opt.Path, Opt.Filter);
-        _totalCnt = fileList.Count();
-
-        step1Bar.Message = "查找文件...OK";
-        step1Bar.Finished();
-
-        _step2Bar = step1Bar.Spawn(_totalCnt, string.Empty, DefaultProgressBarOptions);
-
-        Parallel.ForEach(fileList, file => {
-            _step2Bar.Tick();
-            ShowMessage(1, 0, 0);
-
-            var tmpFile    = $"{file}.tmp";
-            var isReplaced = false;
-            using (var fsr = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) {
-                Span<byte> buffer  = stackalloc byte[utf8Bom.Length];
-                var        readLen = fsr.Read(buffer);
-                if (readLen == utf8Bom.Length && buffer.SequenceEqual(utf8Bom)) {
-                    using var fsw = new FileStream(tmpFile, FileMode.OpenOrCreate, FileAccess.Write);
-                    int       data;
-                    while ((data = fsr.ReadByte()) != -1) fsw.WriteByte((byte)data);
-                    isReplaced = true;
-                }
-            }
-
-            if (isReplaced) {
-                MoveFile(tmpFile, file);
-                ShowMessage(0, 1, 0);
-            }
-            else {
-                ShowMessage(0, 0, 1);
-            }
-        });
-    }
-}
\ No newline at end of file
diff --git a/src/TrimUtf8Bom/Option.cs b/src/TrimUtf8Bom/Option.cs
deleted file mode 100644
index 390aa98..0000000
--- a/src/TrimUtf8Bom/Option.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-namespace Dot.TrimUtf8Bom;
-
-[Verb("trim-utf8-bom", HelpText = "移除文件的uf8 bom")]
-public class Option : IOption
-{
-    [Option('f', "filter", Required = false, HelpText = "文件通配符", Default = "*.*")]
-    public string Filter { get; set; } //normal options here
-
-    [Option('p', "path", Required = false, HelpText = "要处理的目录路径", Default = ".")]
-    public string Path { get; set; }
-}
\ No newline at end of file