diff --git a/src/AssemblyInfo.cs b/src/AssemblyInfo.cs
index d2b7724..9f3ac12 100644
--- a/src/AssemblyInfo.cs
+++ b/src/AssemblyInfo.cs
@@ -15,7 +15,7 @@ namespace Dot;
 
 public static class AssemblyInfo
 {
-    private const string _VERSION                          = "1.1.5";
+    private const string _VERSION                          = "1.1.6";
     public const  string ASSEMBLY_COMPANY                  = "nsnail";
     public const  string ASSEMBLY_COPYRIGHT                = $"Copyright (c) 2022 {ASSEMBLY_COMPANY}";
     public const  string ASSEMBLY_FILE_VERSION             = _VERSION;
diff --git a/src/FilesTool.cs b/src/FilesTool.cs
index c2bf8cf..f1b3f6f 100644
--- a/src/FilesTool.cs
+++ b/src/FilesTool.cs
@@ -1,6 +1,5 @@
 using System.Collections.Concurrent;
 using System.Text.RegularExpressions;
-using Panel = Spectre.Console.Panel;
 
 namespace Dot;
 
diff --git a/src/Get/Main.cs b/src/Get/Main.cs
new file mode 100644
index 0000000..87b2433
--- /dev/null
+++ b/src/Get/Main.cs
@@ -0,0 +1,183 @@
+using System.Net.Http.Headers;
+using System.Text.RegularExpressions;
+using NSExt.Extensions;
+
+namespace Dot.Get;
+
+[Description(nameof(Str.DownloadTool))]
+[Localization(typeof(Str))]
+public partial class Main : ToolBase<Option>
+{
+    private const string _PART = "part";
+
+    /// <summary>
+    ///     给定一个路径（存在的目录，或者存在的目录+存在或不存在的文件）
+    /// </summary>
+    /// <param name="path">存在的目录，或者存在的目录+存在或不存在的文件</param>
+    /// <param name="file">要写入的文件名</param>
+    /// <returns>返回一个可写的文件完整路径</returns>
+    private static string BuildFilePath(string path, string file)
+    {
+        if (GetUseablePath(ref path))
+            // path 是一个存在的文件，已追加尾标
+            return path;
+
+        // ReSharper disable once InvertIf
+        if (Directory.Exists(path)) {        //path 是一个存在的目录。
+            path = Path.Combine(path, file); // 构建文件路径
+            GetUseablePath(ref path);        // 追加序号。
+            return path;
+        }
+
+        // path 是一个不存在的目录或者文件 ，视为不存在的文件
+        return path;
+    }
+
+
+    private static bool GetUseablePath(ref string path)
+    {
+        var dir  = Path.GetDirectoryName(path);
+        var name = Path.GetFileNameWithoutExtension(path);
+        var ext  = Path.GetExtension(path);
+        var ret  = false;
+        for (var i = 1;; ++i) {
+            if (File.Exists(path)) {
+                path = Path.Combine(dir!, $"{name}({i}){ext}");
+                ret  = true;
+                continue;
+            }
+
+            break;
+        }
+
+        return ret;
+    }
+
+
+    private static void MergeParts(string mainFilePath)
+    {
+        var files = Directory.GetFiles(Path.GetDirectoryName(mainFilePath)! //
+                                     , $"{Path.GetFileName(mainFilePath)}.*.{_PART}", SearchOption.TopDirectoryOnly)
+                             .OrderBy(x => x)
+                             .ToArray();
+        using var fs = File.Create(mainFilePath);
+        fs.SetLength(PartRegex().Match(files.Last()).Groups[1].Value.Int64());
+        foreach (var file in files) {
+            using var fsc = File.OpenRead(file);
+            fsc.CopyTo(fs);
+            fsc.Close();
+            File.Delete(file);
+        }
+    }
+
+    [GeneratedRegex($"(\\d+)\\.{_PART}")]
+    private static partial Regex PartRegex();
+
+    private void StreamCopy(Stream source, Stream dest, Action<int> rateHandle)
+    {
+        Span<byte> buf = stackalloc byte[Opt.BufferSize];
+        int        read;
+        while ((read = source.Read(buf)) != 0) {
+            dest.Write(read == Opt.BufferSize ? buf : buf[..read]);
+            rateHandle(read);
+        }
+    }
+
+    private void WriteParts(HttpResponseMessage rsp,      string mainFilePath //
+                          , long                startPos, long   endPos       //
+                          , Action<int>         rateHandle)
+    {
+        Span<byte> buf    = stackalloc byte[Opt.BufferSize];
+        using var  stream = rsp.Content.ReadAsStream();
+        int        read;
+        var        file = $"{mainFilePath}.{startPos}-{endPos}.{_PART}";
+        using var  fs   = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.None);
+        while ((read = stream.Read(buf)) != 0) {
+            fs.Write(read == Opt.BufferSize ? buf : buf[..read]);
+            rateHandle(read);
+        }
+    }
+
+    protected override async Task Core()
+    {
+        using var http = new HttpClient();
+        string attachment = default;
+        long contentLength = default;
+        var table = new Table().AddColumn(Str.DataIdentification).AddColumn(Str.DataContent).AddRow("Url", Opt.Url);
+        await AnsiConsole.Status()
+                         .AutoRefresh(true)
+                         .Spinner(Spinner.Known.Default)
+                         .StartAsync($"{Str.RequestMetaData}: {Opt.Url}", async _ => {
+                             using var headRsp = await http.SendAsync(new HttpRequestMessage(HttpMethod.Head, Opt.Url));
+                             using var content = headRsp.Content;
+                             contentLength = content.Headers.ContentLength ?? 0;
+                             attachment = content.Headers.ContentDisposition?.FileName ??
+                                             Opt.Url[(Opt.Url.LastIndexOf('/') + 1)..];
+                             foreach (var kv in content.Headers)
+                                 table.AddRow(kv.Key, string.Join(Environment.NewLine, kv.Value));
+                         });
+        AnsiConsole.Write(table);
+
+
+        var timer        = DateTime.Now;
+        var mainFilePath = BuildFilePath(Opt.Output, attachment);
+        await AnsiConsole.Progress()
+                         .Columns(new ProgressBarColumn()     //
+                                , new SpinnerColumn()         //
+                                , new DownloadedColumn()      //
+                                , new TransferSpeedColumn()   //
+                                , new PercentageColumn()      //
+                                , new TaskDescriptionColumn() //
+                                , new RemainingTimeColumn()   //
+                         )
+                         .StartAsync(async ctx => {
+                             var tParent = ctx.AddTask($"{Str.TotalProgress} {Str.RemainingTime}:").IsIndeterminate();
+                             if (contentLength == 0) //未知文件长度，单线程下载；
+                             {
+                                 await using var nets = await http.GetStreamAsync(Opt.Url);
+                                 await using var fs
+                                     = new FileStream(mainFilePath, FileMode.CreateNew, FileAccess.Write
+                                                    , FileShare.None);
+                                 tParent.MaxValue = Opt.BufferSize + 1; //由于文件长度未知， 进度条终点永远至为当前长度+1
+                                 StreamCopy(nets, fs, x => {
+                                     tParent.MaxValue += x;
+                                     tParent.Increment(x);
+                                 });
+                                 tParent.MaxValue = tParent.Value; // 写完了
+                                 tParent.IsIndeterminate(false);
+                                 tParent.StopTask();
+                             }
+                             else //已知文件长度，多线程下载：
+                             {
+                                 tParent.IsIndeterminate(false);
+                                 tParent.MaxValue = contentLength;
+                                 var chunkSize = contentLength / Opt.ChunkNumbers;
+
+
+                                 Parallel.For(0, Opt.ChunkNumbers
+                                            , new ParallelOptions { MaxDegreeOfParallelism = Opt.MaxParallel } //
+                                            , i => {
+                                                  var tChild = ctx.AddTask(
+                                                      $"{Str.Thread}{i} {Str.RemainingTime}:", maxValue: chunkSize);
+                                                  using var getReq = new HttpRequestMessage(HttpMethod.Get, Opt.Url);
+                                                  var       startPos = i * chunkSize;
+                                                  var       endPos = startPos + chunkSize - 1;
+                                                  if (i == Opt.ChunkNumbers - 1) endPos += contentLength % chunkSize;
+                                                  getReq.Headers.Range = new RangeHeaderValue(startPos, endPos);
+                                                  // ReSharper disable once AccessToDisposedClosure
+                                                  using var getRsp
+                                                      = http.Send(getReq, HttpCompletionOption.ResponseHeadersRead);
+                                                  WriteParts(getRsp, mainFilePath, startPos, endPos, x => {
+                                                      tChild.Increment(x);
+                                                      tParent.Increment(x);
+                                                  });
+                                              });
+
+                                 MergeParts(mainFilePath);
+                             }
+                         });
+
+        AnsiConsole.MarkupLine(
+            $"{Str.DownloadCompleted}, {Str.ElapsedTime}: {DateTime.Now - timer}, {Str.FileSaveLocation}: {mainFilePath}");
+    }
+}
\ No newline at end of file
diff --git a/src/Get/Option.cs b/src/Get/Option.cs
new file mode 100644
index 0000000..2fee8c7
--- /dev/null
+++ b/src/Get/Option.cs
@@ -0,0 +1,36 @@
+namespace Dot.Get;
+
+public class Option : OptionBase
+{
+    [CommandOption("-b|--buffer-size")]
+    [Description(nameof(Str.BufferSize))]
+    [Localization(typeof(Str))]
+    [DefaultValue(8)]
+    public int BufferSize { get; set; }
+
+    [CommandOption("-c|--chunk-number")]
+    [Description(nameof(Str.ChunkNumbers))]
+    [Localization(typeof(Str))]
+    [DefaultValue(5)]
+    public int ChunkNumbers { get; set; }
+
+
+    [CommandOption("-m|--max-parallel")]
+    [Description(nameof(Str.MaxParallel))]
+    [Localization(typeof(Str))]
+    [DefaultValue(5)]
+    public int MaxParallel { get; set; }
+
+
+    [CommandOption("-o|--output")]
+    [Description(nameof(Str.OutputPath))]
+    [Localization(typeof(Str))]
+    [DefaultValue(".")]
+    public string Output { get; set; }
+
+
+    [CommandArgument(0, "<url>")]
+    [Description(nameof(Str.Url))]
+    [Localization(typeof(Str))]
+    public string Url { get; set; }
+}
\ No newline at end of file
diff --git a/src/Lang/Str.en-US.resx b/src/Lang/Str.en-US.resx
index 7560b7d..2d383da 100644
--- a/src/Lang/Str.en-US.resx
+++ b/src/Lang/Str.en-US.resx
@@ -24,35 +24,104 @@
         <value>The input text is empty</value>
     </data>
     <data name="SearchingFile" xml:space="preserve">
-        <value>Find files...</value>
+        <value>Find file</value>
     </data>
     <data name="PathNotFound" xml:space="preserve">
         <value>The specified path "{0}" does not exist</value>
     </data>
+    <data name="InvalidJsonString" xml:space="preserve">
+        <value>The clipboard does not contain the correct Json string</value>
+    </data>
     <data name="SearchingFileOK" xml:space="preserve">
-         <value>{0} files</value>
+        <value>{0} files</value>
     </data>
     <data name="ShowMessageTemp" xml:space="preserve">
         <value>Read: {0}/{1}, processed: {2}, skipped: {3}</value>
     </data>
+    <data name="TimeTool" xml:space="preserve">
+        <value>Time synchronization tool</value>
+    </data>
+    <data name="Ip" xml:space="preserve">
+        <value>IP tools</value>
+    </data>
+    <data name="Json" xml:space="preserve">
+        <value>Json tool</value>
+    </data>
+    <data name="ScreenPixelTool" xml:space="preserve">
+        <value>Screen coordinate color selection tool</value>
+    </data>
+    <data name="DownloadTool" xml:space="preserve">
+        <value>Multithreaded download tool</value>
+    </data>
+    <data name="TextTool" xml:space="preserve">
+        <value>Text encoding tool</value>
+    </data>
+    <data name="TextTobeProcessed" xml:space="preserve">
+        <value>Text to be processed (clipboard value is taken by default)</value>
+    </data>
     <data name="Copied" xml:space="preserve">
         <value>{0}(copied to clipboard)</value>
     </data>
+    <data name="GitOutputEncoding" xml:space="preserve">
+        <value>Git output encoding</value>
+    </data>
+    <data name="MaxRecursionDepth" xml:space="preserve">
+        <value>Directory search depth</value>
+    </data>
     <data name="FileSearchPattern" xml:space="preserve">
         <value>File wildcards</value>
     </data>
+    <data name="KeepSession" xml:space="preserve">
+        <value>Keep the session after executing the command</value>
+    </data>
+    <data name="TimeoutMillSecs" xml:space="preserve">
+        <value>Timeout for connecting to the NTP server (milliseconds)</value>
+    </data>
+    <data name="SyncToLocalTime" xml:space="preserve">
+        <value>Synchronize local time</value>
+    </data>
+    <data name="LocalClock" xml:space="preserve">
+        <value>Native clock</value>
+    </data>
+    <data name="ServerTime" xml:space="preserve">
+        <value>Synchronize local time</value>
+    </data>
     <data name="FolderPath" xml:space="preserve">
         <value>Directory path to be processed</value>
     </data>
+    <data name="OutputPath" xml:space="preserve">
+        <value>Output file path</value>
+    </data>
+    <data name="Url" xml:space="preserve">
+        <value>URL</value>
+    </data>
     <data name="ConvertEndOfLineToLF" xml:space="preserve">
         <value>Convert newline characters to LF</value>
     </data>
     <data name="GuidTool" xml:space="preserve">
         <value>GUID tool</value>
     </data>
+    <data name="GitTool" xml:space="preserve">
+        <value>Git batch operation tool</value>
+    </data>
     <data name="UseUppercase" xml:space="preserve">
         <value>Use uppercase output</value>
     </data>
+    <data name="GitArgs" xml:space="preserve">
+        <value>Parameters passed to Git</value>
+    </data>
+    <data name="CompressJson" xml:space="preserve">
+        <value>Compress Json text</value>
+    </data>
+    <data name="FormatJson" xml:space="preserve">
+        <value>Format Json text</value>
+    </data>
+    <data name="GeneratorClass" xml:space="preserve">
+        <value>Generate entity class</value>
+    </data>
+    <data name="JsonToString" xml:space="preserve">
+        <value>Escape Json text into a string</value>
+    </data>
     <data name="RandomPasswordGenerator" xml:space="preserve">
         <value>Random password generator</value>
     </data>
@@ -68,20 +137,20 @@
     <data name="TrimUtf8Bom" xml:space="preserve">
         <value>Remove the uf8 bom of the file</value>
     </data>
-    <data name="TextTobeProcessed" xml:space="preserve">
-        <value>Text to be processed (clipboard value is taken by default)</value>
-    </data>
     <data name="PressAnyKey" xml:space="preserve">
         <value>Press any key to continue...</value>
     </data>
+    <data name="WriteMode" xml:space="preserve">
+        <value>Enable write mode</value>
+    </data>
     <data name="NoFileToBeProcessed" xml:space="preserve">
         <value>No documents to be processed</value>
     </data>
-    <data name="TimeoutMillSecs" xml:space="preserve">
-        <value>Timeout for connecting to the NTP server (milliseconds)</value>
+    <data name="ExcludePathRegexes" xml:space="preserve">
+        <value>Regular expressions for excluding paths</value>
     </data>
-    <data name="SyncToLocalTime" xml:space="preserve">
-        <value>Synchronize local time</value>
+    <data name="Exclude" xml:space="preserve">
+        <value>exclude</value>
     </data>
     <data name="NtpReceiveDone" xml:space="preserve">
         <value>Success {0}/{1}, the average value of the clock offset of the machine:{2}ms</value>
@@ -95,6 +164,9 @@
     <data name="LocalTimeOffset" xml:space="preserve">
         <value>{0}, local clock offset: {1} ms</value>
     </data>
+    <data name="NtpClock" xml:space="preserve">
+        <value>NTP standard clock</value>
+    </data>
     <data name="LocalTimeSyncDone" xml:space="preserve">
         <value>Local time has been synchronized</value>
     </data>
@@ -107,71 +179,17 @@
     <data name="LocalClockOffset" xml:space="preserve">
         <value>Local clock offset</value>
     </data>
-    <data name="TimeTool" xml:space="preserve">
-        <value>Time synchronization tool</value>
-    </data>
-    <data name="TextTool" xml:space="preserve">
-        <value>Text encoding tool</value>
-    </data>
-    <data name="ScreenPixelTool" xml:space="preserve">
-        <value>Screen coordinate color selection tool</value>
-    </data>
     <data name="ClickCopyColor" xml:space="preserve">
         <value>Click the left mouse button to copy the colors and coordinates to the clipboard</value>
     </data>
     <data name="PublicIP" xml:space="preserve">
-        <value>Public network ip: </value>
-    </data>
-    <data name="ServerTime" xml:space="preserve">
-        <value>Synchronize local time</value>
-    </data>
-    <data name="Ip" xml:space="preserve">
-        <value>IP tools</value>
-    </data>
-    <data name="KeepSession" xml:space="preserve">
-        <value>Keep the session after executing the command</value>
-    </data>
-    <data name="NtpClock" xml:space="preserve">
-        <value>NTP server standard clock: {0}</value>
-    </data>
-    <data name="GitTool" xml:space="preserve">
-        <value>Git batch operation tool</value>
-    </data>
-    <data name="GitArgs" xml:space="preserve">
-        <value>Parameters passed to Git</value>
+        <value>Public network ip... </value>
     </data>
     <data name="Ok" xml:space="preserve">
         <value>OK</value>
     </data>
     <data name="FindGitReps" xml:space="preserve">
-        <value>Find all git repository directories under "{0}"...</value>
-    </data>
-    <data name="GitOutputEncoding" xml:space="preserve">
-        <value>Git output encoding</value>
-    </data>
-    <data name="MaxRecursionDepth" xml:space="preserve">
-        <value>Directory search depth</value>
-    </data>
-    <data name="InvalidJsonString" xml:space="preserve">
-        <value>Clipboard does not contain correct Json string</value>
-    </data>
-    <data name="Json" xml:space="preserve">
-        <value>JsonTools</value>
-    </data>
-    <data name="CompressJson" xml:space="preserve">
-        <value>Compress Json text</value>
-    </data>
-    <data name="FormatJson" xml:space="preserve">
-        <value>Format JSON text</value>
-    </data>
-    <data name="GeneratorClass" xml:space="preserve">
-        <value>generate entity classes</value>
-    </data>
-    <data name="JsonToString" xml:space="preserve">
-        <value>Json text escaped into a string</value>
-    </data>
-    <data name="WriteMode" xml:space="preserve">
-        <value>Enable write mode</value>
+        <value>Find all git warehouse directories under "{0}" </value>
     </data>
     <data name="ExerciseMode" xml:space="preserve">
         <value>Read-only mode, the file will not be modified in real time!</value>
@@ -188,20 +206,11 @@
     <data name="WriteFileStats" xml:space="preserve">
         <value>Write statistics</value>
     </data>
-    <data name="LocalClock" xml:space="preserve">
-        <value>local clock</value>
-    </data>
-    <data name="ExcludePathRegexes" xml:space="preserve">
-        <value>Regular expression to exclude paths</value>
-    </data>
-    <data name="Exclude" xml:space="preserve">
-        <value>exclude</value>
-    </data>
     <data name="Repository" xml:space="preserve">
-        <value>storehouse</value>
+        <value>warehouse</value>
     </data>
     <data name="Command" xml:space="preserve">
-        <value>Order</value>
+        <value>command</value>
     </data>
     <data name="Response" xml:space="preserve">
         <value>response</value>
@@ -209,4 +218,40 @@
     <data name="ZeroCode" xml:space="preserve">
         <value>Git exit code is zero</value>
     </data>
+    <data name="DataIdentification" xml:space="preserve">
+        <value>Data identification</value>
+    </data>
+    <data name="DataContent" xml:space="preserve">
+        <value>Data content</value>
+    </data>
+    <data name="RemainingTime" xml:space="preserve">
+        <value>Remaining time</value>
+    </data>
+    <data name="TotalProgress" xml:space="preserve">
+        <value>Total progress</value>
+    </data>
+    <data name="Thread" xml:space="preserve">
+        <value>thread</value>
+    </data>
+    <data name="DownloadCompleted" xml:space="preserve">
+        <value>Download complete</value>
+    </data>
+    <data name="ElapsedTime" xml:space="preserve">
+        <value>Cumulative time-consuming</value>
+    </data>
+    <data name="FileSaveLocation" xml:space="preserve">
+        <value>File save location</value>
+    </data>
+    <data name="RequestMetaData" xml:space="preserve">
+        <value>Request metadata</value>
+    </data>
+    <data name="ChunkNumbers" xml:space="preserve">
+        <value>Number of download blocks</value>
+    </data>
+    <data name="MaxParallel" xml:space="preserve">
+        <value>Maximum number of concurrency</value>
+    </data>
+    <data name="BufferSize" xml:space="preserve">
+        <value>Buffer size (kilobytes)</value>
+    </data>
 </root>
\ No newline at end of file
diff --git a/src/Lang/Str.resx b/src/Lang/Str.resx
index a3aff96..0eaf8e8 100644
--- a/src/Lang/Str.resx
+++ b/src/Lang/Str.resx
@@ -54,6 +54,9 @@
     <data name="ScreenPixelTool" xml:space="preserve">
         <value>屏幕坐标颜色选取工具</value>
     </data>
+    <data name="DownloadTool" xml:space="preserve">
+        <value>多线程下载工具</value>
+    </data>
     <data name="TextTool" xml:space="preserve">
         <value>文本编码工具</value>
     </data>
@@ -91,6 +94,12 @@
     <data name="FolderPath" xml:space="preserve">
         <value>要处理的目录路径</value>
     </data>
+    <data name="OutputPath" xml:space="preserve">
+        <value>输出文件路径</value>
+    </data>
+    <data name="Url" xml:space="preserve">
+        <value>URL</value>
+    </data>
     <data name="ConvertEndOfLineToLF" xml:space="preserve">
         <value>转换换行符为LF</value>
     </data>
@@ -220,4 +229,40 @@
     <data name="ZeroCode" xml:space="preserve">
         <value>Git退出码为零的</value>
     </data>
+    <data name="DataIdentification" xml:space="preserve">
+        <value>数据标识</value>
+    </data>
+    <data name="DataContent" xml:space="preserve">
+        <value>数据内容</value>
+    </data>
+    <data name="RemainingTime" xml:space="preserve">
+        <value>剩余时间</value>
+    </data>
+    <data name="TotalProgress" xml:space="preserve">
+        <value>总进度</value>
+    </data>
+    <data name="Thread" xml:space="preserve">
+        <value>线程</value>
+    </data>
+    <data name="DownloadCompleted" xml:space="preserve">
+        <value>下载完成</value>
+    </data>
+    <data name="ElapsedTime" xml:space="preserve">
+        <value>累计耗时</value>
+    </data>
+    <data name="FileSaveLocation" xml:space="preserve">
+        <value>文件保存位置</value>
+    </data>
+    <data name="RequestMetaData" xml:space="preserve">
+        <value>请求元数据</value>
+    </data>
+    <data name="ChunkNumbers" xml:space="preserve">
+        <value>下载分块数</value>
+    </data>
+    <data name="MaxParallel" xml:space="preserve">
+        <value>最大并发数量</value>
+    </data>
+    <data name="BufferSize" xml:space="preserve">
+        <value>缓冲区大小（千字节）</value>
+    </data>
 </root>
\ No newline at end of file
diff --git a/src/Program.cs b/src/Program.cs
index 5666597..ae97f58 100644
--- a/src/Program.cs
+++ b/src/Program.cs
@@ -21,6 +21,7 @@ app.Configure(config => {
     config.AddCommand<Dot.Text.Main>("text");
     config.AddCommand<Dot.Time.Main>("time");
     config.AddCommand<Dot.ToLf.Main>("tolf");
+    config.AddCommand<Dot.Get.Main>("get");
 
 
     config.ValidateExamples();