diff --git a/build.bat b/build.bat
index 02927c0e..bfa9479b 100644
--- a/build.bat
+++ b/build.bat
@@ -25,4 +25,18 @@ dotnet publish SourceGit.csproj --nologo -c Release -r win-x64 -f net5.0-windows
 cd ..\publish
 ren SourceGit.exe SourceGit.net5.0.x64.exe
 
+cd ..\src
+rmdir /s /q bin
+rmdir /s /q obj
+dotnet publish SourceGit.csproj --nologo -c Release -r win-x86 -f net6.0-windows -p:PublishSingleFile=true --no-self-contained -o ..\publish
+cd ..\publish
+ren SourceGit.exe SourceGit.net6.0.x86.exe
+
+cd ..\src
+rmdir /s /q bin
+rmdir /s /q obj
+dotnet publish SourceGit.csproj --nologo -c Release -r win-x64 -f net6.0-windows -p:PublishSingleFile=true --no-self-contained -o ..\publish
+cd ..\publish
+ren SourceGit.exe SourceGit.net6.0.x64.exe
+
 cd ../
\ No newline at end of file
diff --git a/src/Models/Issue.cs b/src/Models/Issue.cs
index 2bdc6e29..dc6b2528 100644
--- a/src/Models/Issue.cs
+++ b/src/Models/Issue.cs
@@ -1,10 +1,15 @@
 using System;
-using System.Net;
 using System.Reflection;
-using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
+#if NET6_0_OR_GREATER
+using System.Net.Http;
+#else
+using System.Net;
+using System.Text;
+#endif
+
 namespace SourceGit.Models {
     /// <summary>
     ///     崩溃日志上报
@@ -40,6 +45,13 @@ namespace SourceGit.Models {
                     e.Source,
                     e.StackTrace);
 
+#if NET6_0_OR_GREATER
+                var req = new HttpClient();
+                req.DefaultRequestHeaders.Add("Content-Type", "application/json");
+                req.DefaultRequestHeaders.Add("charset", "UTF-8");
+                req.Timeout = TimeSpan.FromSeconds(1);
+                req.PostAsync("https://gitee.com/api/v5/repos/sourcegit/issues", new StringContent(JsonSerializer.Serialize(issue))).Wait();
+#else
                 var req = WebRequest.CreateHttp("https://gitee.com/api/v5/repos/sourcegit/issues");
                 req.Method = "POST";
                 req.ContentType = "application/json";
@@ -53,6 +65,7 @@ namespace SourceGit.Models {
                 }
 
                 req.GetResponse();
+#endif
             } catch { }
         }
     }
diff --git a/src/Models/Version.cs b/src/Models/Version.cs
index 07e384e9..1402b1c8 100644
--- a/src/Models/Version.cs
+++ b/src/Models/Version.cs
@@ -1,12 +1,17 @@
 using System;
-using System.Net;
 using System.Reflection;
-using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 
+#if NET6_0_OR_GREATER
+using System.Net.Http;
+#else
+using System.Net;
+using System.Text;
+#endif
+
 namespace SourceGit.Models {
 
     /// <summary>
@@ -43,10 +48,18 @@ namespace SourceGit.Models {
             var lastDayOfYear = Preference.Instance.General.LastCheckDay;
             if (lastDayOfYear != curDayOfYear) {
                 Preference.Instance.General.LastCheckDay = curDayOfYear;
-                Task.Run(() => {
+                Task.Run(async () => {
                     try {
+#if NET6_0_OR_GREATER
+                        var req = new HttpClient();
+                        var rsp = await req.GetAsync("https://gitee.com/api/v5/repos/sourcegit/sourcegit/releases/latest");
+                        rsp.EnsureSuccessStatusCode();
+
+                        var raw = await rsp.Content.ReadAsStringAsync();
+#else
                         var web = new WebClient() { Encoding = Encoding.UTF8 };
-                        var raw = web.DownloadString("https://gitee.com/api/v5/repos/sourcegit/sourcegit/releases/latest");
+                        var raw = await web.DownloadStringTaskAsync("https://gitee.com/api/v5/repos/sourcegit/sourcegit/releases/latest");
+#endif
                         var ver = JsonSerializer.Deserialize<Version>(raw);
                         var cur = Assembly.GetExecutingAssembly().GetName().Version;
 
diff --git a/src/SourceGit.csproj b/src/SourceGit.csproj
index 88c88b67..6ecf9544 100644
--- a/src/SourceGit.csproj
+++ b/src/SourceGit.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net5.0-windows;net48</TargetFrameworks>
+        <TargetFrameworks>net6.0-windows;net5.0-windows;net48</TargetFrameworks>
         <OutputType>WinExe</OutputType>
         <UseWPF>true</UseWPF>
         <ApplicationIcon>App.ico</ApplicationIcon>
diff --git a/src/Views/Controls/Avatar.cs b/src/Views/Controls/Avatar.cs
index 70a785e4..3043850e 100644
--- a/src/Views/Controls/Avatar.cs
+++ b/src/Views/Controls/Avatar.cs
@@ -11,6 +11,10 @@ using System.Windows.Controls;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 
+#if NET6_0_OR_GREATER
+using System.Net.Http;
+#endif
+
 namespace SourceGit.Views.Controls {
 
     /// <summary>
@@ -192,6 +196,28 @@ namespace SourceGit.Views.Controls {
                 if (!requesting.ContainsKey(email)) return;
 
                 try {
+#if NET6_0_OR_GREATER
+                    var req = new HttpClient().GetAsync(Models.Preference.Instance.General.AvatarServer + md5 + "?d=404");
+                    req.Wait();
+
+                    var rsp = req.Result;
+                    if (rsp != null && rsp.StatusCode == HttpStatusCode.OK) {
+                        var writer = File.OpenWrite(filePath);
+                        rsp.Content.CopyToAsync(writer).Wait();
+                        writer.Close();
+
+                        a.Dispatcher.Invoke(() => {
+                            var img = new BitmapImage(new Uri(filePath));
+                            loaded.Add(email, img);
+
+                            if (requesting.ContainsKey(email)) {
+                                foreach (var one in requesting[email]) one.Source = img;
+                            }
+                        });
+                    } else {
+                        if (!loaded.ContainsKey(email)) loaded.Add(email, null);
+                    }
+#else
                     HttpWebRequest req = WebRequest.CreateHttp(Models.Preference.Instance.General.AvatarServer + md5 + "?d=404");
                     req.Timeout = 2000;
                     req.Method = "GET";
@@ -214,6 +240,7 @@ namespace SourceGit.Views.Controls {
                     } else {
                         if (!loaded.ContainsKey(email)) loaded.Add(email, null);
                     }
+#endif
                 } catch {
                     if (!loaded.ContainsKey(email)) loaded.Add(email, null);
                 }