diff --git a/Directory.Build.props b/Directory.Build.props
index b04bbeb..8b34486 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -6,5 +6,6 @@
         <OutputPath>$(BaseOutputPath)/$(MSBuildProjectName)/bin</OutputPath>
         <IntermediateOutputPath>$(BaseIntermediateOutputPath)/$(MSBuildProjectName)/obj</IntermediateOutputPath>
         <MSBuildProjectExtensionsPath>$(BaseIntermediateOutputPath)/$(MSBuildProjectName)/obj</MSBuildProjectExtensionsPath>
+        <MSBuildTreatWarningsAsErrors>true</MSBuildTreatWarningsAsErrors>
     </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/SonarqubleAnalyzer.props b/SonarqubleAnalyzer.props
new file mode 100644
index 0000000..43a4aff
--- /dev/null
+++ b/SonarqubleAnalyzer.props
@@ -0,0 +1,8 @@
+<Project>
+    <ItemGroup>
+        <PackageReference Include="SonarAnalyzer.CSharp" Version="8.50.0.58025">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+    </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/dot.sln b/dot.sln
index 7375515..a06fe81 100644
--- a/dot.sln
+++ b/dot.sln
@@ -27,6 +27,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "meta", "meta", "{AD79881E-7
 		README.md = README.md
 		README.zh-CN.md = README.zh-CN.md
 		SafetyDelUnusedResx.ahk = SafetyDelUnusedResx.ahk
+		SonarqubleAnalyzer.props = SonarqubleAnalyzer.props
 		switch-nuget.cmd = switch-nuget.cmd
 		switch-project.cmd = switch-project.cmd
 		switcher.json = switcher.json
diff --git a/src/Color/MouseHook.cs b/src/Color/MouseHook.cs
index 7101ecc..4bd7084 100644
--- a/src/Color/MouseHook.cs
+++ b/src/Color/MouseHook.cs
@@ -6,15 +6,11 @@ using System.Runtime.InteropServices;
 
 namespace Dot.Color;
 
-internal class MouseHook : IDisposable
+internal sealed class MouseHook : IDisposable
 {
     [StructLayout(LayoutKind.Explicit)]
     private struct Msllhookstruct
     {
-        // [FieldOffset(20)] private readonly nint        dwExtraInfo;
-        // [FieldOffset(12)] private readonly uint        flags;
-        // [FieldOffset(8)]  private readonly uint        mouseData;
-        // [FieldOffset(16)] private readonly uint        time;
         [FieldOffset(0)] public readonly int X;
         [FieldOffset(4)] public readonly int Y;
     }
@@ -42,7 +38,9 @@ internal class MouseHook : IDisposable
     private void Dispose(bool disposing)
     {
         if (_disposed) return;
+        #pragma warning disable S108
         if (disposing) { }
+        #pragma warning restore S108
 
         if (_hookId != default) Win32.UnhookWindowsHookEx(_hookId);
         _disposed = true;
diff --git a/src/CsxEditor.cs b/src/CsxEditor.cs
index 9e0d99a..b87f5d7 100644
--- a/src/CsxEditor.cs
+++ b/src/CsxEditor.cs
@@ -1,8 +1,4 @@
-using System;
 using System.Diagnostics;
-using System.IO;
-using System.Linq;
-using System.Threading.Tasks;
 
 namespace Dot;
 
diff --git a/src/FilesTool.cs b/src/FilesTool.cs
index 415894f..e8b20bc 100644
--- a/src/FilesTool.cs
+++ b/src/FilesTool.cs
@@ -1,5 +1,6 @@
 using System.Collections.Concurrent;
 using System.Text.RegularExpressions;
+// ReSharper disable once RedundantUsingDirective
 using Panel = Spectre.Console.Panel;
 
 namespace Dot;
@@ -11,43 +12,15 @@ internal abstract class FilesTool<TOption> : ToolBase<TOption> where TOption : D
     private int          _excludeCnt; //排除文件数
 
     // ReSharper disable once StaticMemberInGenericType
+    #pragma warning disable S2743
     private static readonly object                            _lock = new();       //线程锁
     private                 int                               _readCnt;            //读取文件数
     private                 int                               _totalCnt;           //总文件数
     private                 int                               _writeCnt;           //写入文件数
     private readonly        ConcurrentDictionary<string, int> _writeStats = new(); //写入统计：后缀，数量
 
-
-    // ReSharper disable once ReturnTypeCanBeEnumerable.Local
-    private string[] EnumerateFiles(string path, string searchPattern, out int excludeCnt)
+    private async Task CoreInternal()
     {
-        var exCnt = 0;
-        if (Opt.ExcludeRegexes?.FirstOrDefault() is null) //默认排除.git 、 node_modules 目录
-            Opt.ExcludeRegexes = new[] { @"\.git", "node_modules" };
-        var excludeRegexes = Opt.ExcludeRegexes.Select(x => new Regex(x));
-        var fileList = Directory.EnumerateFiles(path, searchPattern
-                                              , new EnumerationOptions {
-                                                                           RecurseSubdirectories = true
-                                                                         , AttributesToSkip
-                                                                               = FileAttributes.ReparsePoint
-                                                                         , IgnoreInaccessible = true
-                                                                         , MaxRecursionDepth  = Opt.MaxRecursionDepth
-                                                                       })
-                                .Where(x => {
-                                    if (!excludeRegexes.Any(y => y.IsMatch(x))) return true;
-                                    ++exCnt;
-                                    return false;
-                                })
-                                .ToArray();
-        excludeCnt = exCnt;
-        return fileList;
-    }
-
-    protected override async Task Core()
-    {
-        if (!Directory.Exists(Opt.Path))
-            throw new ArgumentException(nameof(Opt.Path), string.Format(Str.PathNotFound, Opt.Path));
-
         if (!Opt.WriteMode) AnsiConsole.MarkupLine("[gray]{0}[/]", Str.ExerciseMode);
         IEnumerable<string> fileList;
         await AnsiConsole.Progress()
@@ -79,6 +52,39 @@ internal abstract class FilesTool<TOption> : ToolBase<TOption> where TOption : D
     }
 
 
+    // ReSharper disable once ReturnTypeCanBeEnumerable.Local
+    private string[] EnumerateFiles(string path, string searchPattern, out int excludeCnt)
+    {
+        var exCnt = 0;
+        if (Opt.ExcludeRegexes?.FirstOrDefault() is null) //默认排除.git 、 node_modules 目录
+            Opt.ExcludeRegexes = new[] { @"\.git", "node_modules" };
+        var excludeRegexes = Opt.ExcludeRegexes.Select(x => new Regex(x));
+        var fileList = Directory.EnumerateFiles(path, searchPattern
+                                              , new EnumerationOptions {
+                                                                           RecurseSubdirectories = true
+                                                                         , AttributesToSkip
+                                                                               = FileAttributes.ReparsePoint
+                                                                         , IgnoreInaccessible = true
+                                                                         , MaxRecursionDepth  = Opt.MaxRecursionDepth
+                                                                       })
+                                .Where(x => {
+                                    if (!excludeRegexes.Any(y => y.IsMatch(x))) return true;
+                                    ++exCnt;
+                                    return false;
+                                })
+                                .ToArray();
+        excludeCnt = exCnt;
+        return fileList;
+    }
+
+    protected override Task Core()
+    {
+        if (!Directory.Exists(Opt.Path))
+            throw new ArgumentException(nameof(Opt.Path), string.Format(Str.PathNotFound, Opt.Path));
+        return CoreInternal();
+    }
+
+
     protected static FileStream CreateTempFile(out string file)
     {
         file = Path.Combine(Path.GetTempPath(), $"{System.Guid.NewGuid()}.tmp");
@@ -105,7 +111,9 @@ internal abstract class FilesTool<TOption> : ToolBase<TOption> where TOption : D
                 // ignored
             }
         }
-        catch (IOException) { }
+        catch (IOException) {
+            // ignored
+        }
 
         return fsr;
     }
diff --git a/src/Git/Main.cs b/src/Git/Main.cs
index f42e5ba..503f5df 100644
--- a/src/Git/Main.cs
+++ b/src/Git/Main.cs
@@ -16,61 +16,9 @@ internal class Main : ToolBase<Option>
     private ConcurrentDictionary<string, TaskStatusColumn.Statues> _repoStatus;
 
 
-    private async ValueTask DirHandle(KeyValuePair<string, ProgressTask> payload, CancellationToken _)
-    {
-        payload.Value.StartTask();
-        payload.Value.State.Status(TaskStatusColumn.Statues.Executing);
-
-        // 打印 git command rsp
-        void ExecRspReceived(object sender, DataReceivedEventArgs e)
-        {
-            if (e.Data is null) return;
-            var msg = Encoding.UTF8.GetString(_gitOutputEnc.GetBytes(e.Data));
-            _repoRsp[payload.Key].Append(msg.EscapeMarkup());
-        }
-
-        // 启动git进程
-        {
-            var startInfo = new ProcessStartInfo {
-                                                     CreateNoWindow         = true
-                                                   , WorkingDirectory       = payload.Key
-                                                   , FileName               = "git"
-                                                   , Arguments              = Opt.Args
-                                                   , UseShellExecute        = false
-                                                   , RedirectStandardOutput = true
-                                                   , RedirectStandardError  = true
-                                                 };
-            using var p = Process.Start(startInfo);
-            p!.OutputDataReceived += ExecRspReceived;
-            p.ErrorDataReceived   += ExecRspReceived;
-            p.BeginOutputReadLine();
-            p.BeginErrorReadLine();
-            await p.WaitForExitAsync(CancellationToken.None);
-
-            if (p.ExitCode == 0) {
-                payload.Value.State.Status(TaskStatusColumn.Statues.Succeed);
-                _repoStatus.AddOrUpdate(payload.Key, _ => TaskStatusColumn.Statues.Succeed
-                                      , (_, _) => TaskStatusColumn.Statues.Succeed);
-                payload.Value.StopTask();
-            }
-            else {
-                payload.Value.State.Status(TaskStatusColumn.Statues.Failed);
-                _repoStatus.AddOrUpdate(payload.Key, _ => TaskStatusColumn.Statues.Failed
-                                      , (_, _) => TaskStatusColumn.Statues.Failed);
-            }
-
-            payload.Value.StopTask();
-        }
-    }
-
-    protected override async Task Core()
+    private async Task CoreInternal()
     {
         _gitOutputEnc = Encoding.GetEncoding(Opt.GitOutputEncoding);
-        if (!Directory.Exists(Opt.Path))
-            throw new ArgumentException(nameof(Opt.Path) //
-                                      , string.Format(Str.PathNotFound, Opt.Path));
-
-
         var progressBar = new ProgressBarColumn { Width = 10 };
         await AnsiConsole.Progress()
                          .Columns(progressBar                                            //
@@ -124,4 +72,59 @@ internal class Main : ToolBase<Option>
 
         AnsiConsole.Write(table);
     }
+
+
+    private async ValueTask DirHandle(KeyValuePair<string, ProgressTask> payload, CancellationToken _)
+    {
+        payload.Value.StartTask();
+        payload.Value.State.Status(TaskStatusColumn.Statues.Executing);
+
+        // 打印 git command rsp
+        void ExecRspReceived(object sender, DataReceivedEventArgs e)
+        {
+            if (e.Data is null) return;
+            var msg = Encoding.UTF8.GetString(_gitOutputEnc.GetBytes(e.Data));
+            _repoRsp[payload.Key].Append(msg.EscapeMarkup());
+        }
+
+        // 启动git进程
+
+        var startInfo = new ProcessStartInfo {
+                                                 CreateNoWindow         = true
+                                               , WorkingDirectory       = payload.Key
+                                               , FileName               = "git"
+                                               , Arguments              = Opt.Args
+                                               , UseShellExecute        = false
+                                               , RedirectStandardOutput = true
+                                               , RedirectStandardError  = true
+                                             };
+        using var p = Process.Start(startInfo);
+        p!.OutputDataReceived += ExecRspReceived;
+        p.ErrorDataReceived   += ExecRspReceived;
+        p.BeginOutputReadLine();
+        p.BeginErrorReadLine();
+        await p.WaitForExitAsync(CancellationToken.None);
+
+        if (p.ExitCode == 0) {
+            payload.Value.State.Status(TaskStatusColumn.Statues.Succeed);
+            _repoStatus.AddOrUpdate(payload.Key, _ => TaskStatusColumn.Statues.Succeed
+                                  , (_, _) => TaskStatusColumn.Statues.Succeed);
+            payload.Value.StopTask();
+        }
+        else {
+            payload.Value.State.Status(TaskStatusColumn.Statues.Failed);
+            _repoStatus.AddOrUpdate(payload.Key, _ => TaskStatusColumn.Statues.Failed
+                                  , (_, _) => TaskStatusColumn.Statues.Failed);
+        }
+
+        payload.Value.StopTask();
+    }
+
+    protected override Task Core()
+    {
+        if (!Directory.Exists(Opt.Path))
+            throw new ArgumentException(nameof(Opt.Path) //
+                                      , string.Format(Str.PathNotFound, Opt.Path));
+        return CoreInternal();
+    }
 }
\ No newline at end of file
diff --git a/src/IP/Main.cs b/src/IP/Main.cs
index 0c86df4..da55b95 100644
--- a/src/IP/Main.cs
+++ b/src/IP/Main.cs
@@ -16,9 +16,12 @@ internal sealed class Main : ToolBase<Option>
             if (item.NetworkInterfaceType != NetworkInterfaceType.Ethernet ||
                 item.OperationalStatus    != OperationalStatus.Up)
                 continue;
-            foreach (var ip in item.GetIPProperties().UnicastAddresses)
-                if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
-                    Console.WriteLine(@$"{item.Name}: {ip.Address}");
+            var output = string.Join(Environment.NewLine
+                                   , item.GetIPProperties()
+                                         .UnicastAddresses
+                                         .Where(x => x.Address.AddressFamily == AddressFamily.InterNetwork)
+                                         .Select(x => @$"{item.Name}: {x.Address}"));
+            Console.WriteLine(output);
         }
 
         using var http = new HttpClient();
diff --git a/src/Json/Main.cs b/src/Json/Main.cs
index 72e39b5..2b7a4ac 100644
--- a/src/Json/Main.cs
+++ b/src/Json/Main.cs
@@ -23,6 +23,22 @@ internal class Main : ToolBase<Option>
         return ret;
     }
 
+    private async Task CoreInternal()
+    {
+        string result = null;
+        if (Opt.Compress)
+            result = await JsonCompress();
+        else if (Opt.ConvertToString)
+            result                  = await ConvertToString();
+        else if (Opt.Format) result = await JsonFormat();
+
+        if (!result.NullOrWhiteSpace()) {
+            #if NET7_0_WINDOWS
+            await ClipboardService.SetTextAsync(result!);
+            #endif
+        }
+    }
+
     private Task<string> JsonCompress()
     {
         var ret = _inputObj.Json();
@@ -40,12 +56,12 @@ internal class Main : ToolBase<Option>
         return text.Replace("\\\"", "\"");
     }
 
-    protected override async Task Core()
+    protected override Task Core()
     {
         var inputText = Opt.InputText;
 
         #if NET7_0_WINDOWS
-        if (inputText.NullOrWhiteSpace()) inputText = await ClipboardService.GetTextAsync();
+        if (inputText.NullOrWhiteSpace()) inputText = ClipboardService.GetText();
         #endif
         if (inputText.NullOrWhiteSpace()) throw new ArgumentException(Str.InputTextIsEmpty);
 
@@ -56,24 +72,16 @@ internal class Main : ToolBase<Option>
             try {
                 inputText = UnescapeString(inputText);
                 _inputObj = inputText.Object<object>();
-                return;
+                return Task.CompletedTask;
+            }
+            catch (JsonException) {
+                // ignored
             }
-            catch (JsonException) { }
 
             throw new ArgumentException(Str.InvalidJsonString);
         }
 
 
-        string result = null;
-        if (Opt.Compress)
-            result = await JsonCompress();
-        else if (Opt.ConvertToString)
-            result                  = await ConvertToString();
-        else if (Opt.Format) result = await JsonFormat();
-
-        if (result.NullOrWhiteSpace()) return;
-        #if NET7_0_WINDOWS
-        await ClipboardService.SetTextAsync(result!);
-        #endif
+        return CoreInternal();
     }
 }
\ No newline at end of file
diff --git a/src/Program.cs b/src/Program.cs
index e986ddc..0236a2c 100644
--- a/src/Program.cs
+++ b/src/Program.cs
@@ -1,4 +1,3 @@
-using System.Globalization;
 using System.Text;
 using Dot;
 using Dot.Git;
@@ -29,6 +28,4 @@ app.Configure(config => {
 });
 
 Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
-// CultureInfo.CurrentCulture   = CultureInfo.GetCultureInfo("en-US");
-// CultureInfo.CurrentUICulture = CultureInfo.GetCultureInfo("en-US");
 return app.Run(args);
\ No newline at end of file
diff --git a/src/Rbom/Main.cs b/src/Rbom/Main.cs
index b34d9ba..8bfda35 100644
--- a/src/Rbom/Main.cs
+++ b/src/Rbom/Main.cs
@@ -23,7 +23,7 @@ internal sealed class Main : FilesTool<Option>
     }
 
 
-    protected override async ValueTask FileHandle(string file, CancellationToken _)
+    protected override async ValueTask FileHandle(string file, CancellationToken cancelToken)
     {
         ShowMessage(1, 0, 0);
 
diff --git a/src/ToLf/Main.cs b/src/ToLf/Main.cs
index 706b571..aa42ebe 100644
--- a/src/ToLf/Main.cs
+++ b/src/ToLf/Main.cs
@@ -7,7 +7,7 @@ namespace Dot.ToLf;
 [Localization(typeof(Str))]
 internal sealed class Main : FilesTool<Option>
 {
-    protected override async ValueTask FileHandle(string file, CancellationToken _)
+    protected override async ValueTask FileHandle(string file, CancellationToken cancelToken)
     {
         ShowMessage(1, 0, 0);
 
@@ -50,7 +50,9 @@ internal sealed class Main : FilesTool<Option>
         }
 
 
+        #pragma warning disable S2583
         if (hasWrote && !isBin) {
+            #pragma warning restore S2583
             if (Opt.WriteMode) File.Copy(tmpFile, file, true);
             ShowMessage(0, 1, 0);
             UpdateStats(Path.GetExtension(file));
diff --git a/src/ToolBase.cs b/src/ToolBase.cs
index 74d88ba..87ef015 100644
--- a/src/ToolBase.cs
+++ b/src/ToolBase.cs
@@ -14,9 +14,9 @@ internal abstract class ToolBase<TOption> : Command<TOption> where TOption : Opt
         }
     }
 
-    public override int Execute(CommandContext context, TOption option)
+    public override int Execute(CommandContext context, TOption settings)
     {
-        Opt = option;
+        Opt = settings;
         Run().Wait();
         return 0;
     }
diff --git a/src/Trim/Main.cs b/src/Trim/Main.cs
index d4ca87f..35c30bd 100644
--- a/src/Trim/Main.cs
+++ b/src/Trim/Main.cs
@@ -28,7 +28,7 @@ internal sealed class Main : FilesTool<Option>
     }
 
 
-    protected override async ValueTask FileHandle(string file, CancellationToken _)
+    protected override async ValueTask FileHandle(string file, CancellationToken cancelToken)
     {
         ShowMessage(1, 0, 0);
         int spacesCnt;
diff --git a/src/dot.csproj b/src/dot.csproj
index 0f01dcb..1161d2f 100644
--- a/src/dot.csproj
+++ b/src/dot.csproj
@@ -5,7 +5,7 @@
         <UseWindowsForms Condition="'$(TargetFramework)' == 'net7.0-windows'">true</UseWindowsForms>
         <RootNamespace>Dot</RootNamespace>
         <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
-        <NoWarn>CA1416;</NoWarn>
+        <NoWarn>CA1416;S1075</NoWarn>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     </PropertyGroup>
     <PropertyGroup Condition="'$(TargetFramework)' == 'net7.0-windows'">
@@ -28,5 +28,6 @@
             <HintPath>..\..\..\..\..\ForkedGitReps\spectre.console\src\Spectre.Console\bin\Debug\net6.0\Spectre.Console.dll</HintPath>
         </Reference>
     </ItemGroup>
+    <Import Project="../SonarqubleAnalyzer.props"/>
     <Import Project="../GenerateResx.targets"/>
 </Project>
\ No newline at end of file
diff --git a/tests/tests.csproj b/tests/tests.csproj
index de8f2c9..fb7fd28 100644
--- a/tests/tests.csproj
+++ b/tests/tests.csproj
@@ -5,11 +5,17 @@
         <RootNamespace>Dot.Tests</RootNamespace>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0-preview-20221003-04"/>
         <PackageReference Include="NUnit" Version="3.13.3"/>
-        <PackageReference Include="NUnit3TestAdapter" Version="4.2.1"/>
-        <PackageReference Include="NUnit.Analyzers" Version="3.3.0"/>
-        <PackageReference Include="coverlet.collector" Version="3.1.2"/>
+        <PackageReference Include="NUnit3TestAdapter" Version="4.3.1"/>
+        <PackageReference Include="NUnit.Analyzers" Version="3.5.0">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="coverlet.collector" Version="3.2.0">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
     </ItemGroup>
 
 </Project>
\ No newline at end of file