diff --git a/FastTunnel.Api/FastTunnel.Api.csproj b/FastTunnel.Api/FastTunnel.Api.csproj
index b59cfa9..827c384 100644
--- a/FastTunnel.Api/FastTunnel.Api.csproj
+++ b/FastTunnel.Api/FastTunnel.Api.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net7.0</TargetFrameworks>
     <Version>1.1.0</Version>
     <PackageProjectUrl>https://github.com/FastTunnel/FastTunnel/tree/v2/FastTunnel.Api</PackageProjectUrl>
     <RepositoryUrl>https://github.com/FastTunnel/FastTunnel/tree/v2/FastTunnel.Api</RepositoryUrl>
diff --git a/FastTunnel.Client/FastTunnel.Client.csproj b/FastTunnel.Client/FastTunnel.Client.csproj
index 71f2df0..0b2ddf2 100644
--- a/FastTunnel.Client/FastTunnel.Client.csproj
+++ b/FastTunnel.Client/FastTunnel.Client.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <OutputType>Exe</OutputType>
   </PropertyGroup>
 
diff --git a/FastTunnel.Core/FastTunnel.Core.csproj b/FastTunnel.Core/FastTunnel.Core.csproj
index edbc1a6..0da9f0e 100644
--- a/FastTunnel.Core/FastTunnel.Core.csproj
+++ b/FastTunnel.Core/FastTunnel.Core.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
     <Version>2.1.1</Version>
     <PackageProjectUrl>https://github.com/SpringHgui/FastTunnel</PackageProjectUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
@@ -17,6 +17,7 @@
     <PackageTags>FastTunnel.Core</PackageTags>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageReleaseNotes>FastTunnel.Core</PackageReleaseNotes>
+    <LangVersion>Preview</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/FastTunnel.Server/FastTunnel.Server.csproj b/FastTunnel.Server/FastTunnel.Server.csproj
index c7bd9ba..b5935ff 100644
--- a/FastTunnel.Server/FastTunnel.Server.csproj
+++ b/FastTunnel.Server/FastTunnel.Server.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/FastTunnel.Server/Program.cs b/FastTunnel.Server/Program.cs
index 8a5c61a..ce41f81 100644
--- a/FastTunnel.Server/Program.cs
+++ b/FastTunnel.Server/Program.cs
@@ -19,8 +19,9 @@ public class Program
         CreateHostBuilder(args).Build().Run();
     }
 
-    public static IHostBuilder CreateHostBuilder(string[] args) =>
-        Host.CreateDefaultBuilder(args)
+    public static IHostBuilder CreateHostBuilder(string[] args)
+    {
+        return Host.CreateDefaultBuilder(args)
             .UseSerilog((context, services, configuration) => configuration
                     .ReadFrom.Configuration(context.Configuration)
                     .ReadFrom.Services(services)
@@ -43,4 +44,5 @@ public class Program
             {
                 webBuilder.UseStartup<Startup>();
             });
+    }
 }
diff --git a/FastTunnel.Server/Properties/launchSettings.json b/FastTunnel.Server/Properties/launchSettings.json
index 33355cb..86dc5a8 100644
--- a/FastTunnel.Server/Properties/launchSettings.json
+++ b/FastTunnel.Server/Properties/launchSettings.json
@@ -13,24 +13,10 @@
       "commandName": "Project",
       "launchBrowser": true,
       "launchUrl": "http://localhost:1270/swagger",
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development",
-        //"ASPNETCORE_HOSTINGSTARTUPASSEMBLIES": "FastTunnel.Api;FastTunnel.Core"
-      },
-      "applicationUrl": "https://localhost:5001;http://localhost:5000"
-    },
-    "IIS Express": {
-      "commandName": "IISExpress",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
-      }
-    },
-    "Docker": {
-      "commandName": "Docker",
-      "launchBrowser": true,
-      "launchUrl": "{Scheme}://{ServiceHost}:{ServicePort}",
-      "publishAllPorts": true,
-      "useSSL": true
+      },
+      "applicationUrl": "http://localhost:1270"
     }
   }
 }