diff --git a/FastTunnel.Api/FastTunnel.Api.csproj b/FastTunnel.Api/FastTunnel.Api.csproj
index 8332ed2..d598b3d 100644
--- a/FastTunnel.Api/FastTunnel.Api.csproj
+++ b/FastTunnel.Api/FastTunnel.Api.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<TargetFramework>net6.0</TargetFramework>
+		<TargetFrameworks>net5.0;net6.0</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>
@@ -9,8 +9,8 @@
 		<FrameworkReference Include="Microsoft.AspNetCore.App" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageReference Include="Microsoft.IdentityModel.Tokens" Version="6.17.0" />
-		<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.17.0" />
+		<PackageReference Include="Microsoft.IdentityModel.Tokens" Version="5.6.0" />
+		<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="5.6.0" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/FastTunnel.Client/FastTunnel.Client.csproj b/FastTunnel.Client/FastTunnel.Client.csproj
index d4c55c0..d05c4df 100644
--- a/FastTunnel.Client/FastTunnel.Client.csproj
+++ b/FastTunnel.Client/FastTunnel.Client.csproj
@@ -6,7 +6,9 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="7.0.0-preview.3.22175.4" />
-		<PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="6.1.0" />
+		<PackageReference Include="Serilog.Extensions.Hosting" Version="5.0.0-dev-00095" />
+		<PackageReference Include="Serilog.Sinks.Console" Version="4.0.2-dev-00890" />
+		<PackageReference Include="Serilog.Sinks.File" Version="5.0.1-dev-00947" />
 	</ItemGroup>
 
 	<ItemGroup>
@@ -20,9 +22,6 @@
 		<None Update="install.bat">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
-		<None Update="log4net.config">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
 		<None Update="uninstall.bat">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
diff --git a/FastTunnel.Client/Program.cs b/FastTunnel.Client/Program.cs
index fdce01e..e78307e 100644
--- a/FastTunnel.Client/Program.cs
+++ b/FastTunnel.Client/Program.cs
@@ -10,6 +10,7 @@ using System;
 using Microsoft.AspNetCore.Builder;
 using FastTunnel.Core;
 using Microsoft.Extensions.Configuration;
+using Serilog;
 
 namespace FastTunnel.Client;
 
@@ -29,21 +30,20 @@ class Program
 
     public static IHostBuilder CreateHostBuilder(string[] args) =>
         Host.CreateDefaultBuilder(args)
+            .UseSerilog((hostBuilderContext, services, loggerConfiguration) =>
+            {
+                var enableFileLog = (bool)(hostBuilderContext.Configuration.GetSection("EnableFileLog")?.Get(typeof(bool)) ?? false);
+                loggerConfiguration.WriteTo.Console();
+                if (enableFileLog)
+                {
+                    loggerConfiguration.WriteTo.File("Logs/log.txt", rollingInterval: RollingInterval.Day, retainedFileCountLimit: 7);
+                }
+            })
             .UseWindowsService()
             .ConfigureServices((hostContext, services) =>
             {
-                    // -------------------FastTunnel START------------------
-                    services.AddFastTunnelClient(hostContext.Configuration.GetSection("ClientSettings"));
-                    // -------------------FastTunnel EDN--------------------
-                })
-            .ConfigureLogging((HostBuilderContext context, ILoggingBuilder logging) =>
-            {
-                var enableFileLog = (bool)(context.Configuration.GetSection("EnableFileLog")?.Get(typeof(bool)) ?? false);
-                if (enableFileLog)
-                {
-                    logging.ClearProviders();
-                    logging.SetMinimumLevel(LogLevel.Trace);
-                    logging.AddLog4Net();
-                }
+                // -------------------FastTunnel START------------------
+                services.AddFastTunnelClient(hostContext.Configuration.GetSection("ClientSettings"));
+                // -------------------FastTunnel EDN--------------------
             });
 }
diff --git a/FastTunnel.Client/appsettings.json b/FastTunnel.Client/appsettings.json
index 69310b2..149f728 100644
--- a/FastTunnel.Client/appsettings.json
+++ b/FastTunnel.Client/appsettings.json
@@ -1,4 +1,4 @@
-{
+{
   "Logging": {
     "LogLevel": {
       // Trace Debug Information Warning Error
@@ -8,7 +8,7 @@
     }
   },
   // 是否启用文件日志输出
-  "EnableFileLog": false,
+  "EnableFileLog": true,
   "ClientSettings": {
     "Server": {
       // [必选] 服务端ip/域名（来自服务端配置文件的urls参数）
@@ -61,4 +61,4 @@
       }
     ]
   }
-}
\ No newline at end of file
+}
diff --git a/FastTunnel.Client/log4net.config b/FastTunnel.Client/log4net.config
deleted file mode 100644
index 86e9d65..0000000
--- a/FastTunnel.Client/log4net.config
+++ /dev/null
@@ -1,72 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<log4net>
-  <!-- If you are looking here and want more output, first thing to do is change root/priority/@value to "INFO" or "ALL". -->
-  <root>
-    Value of priority may be ALL, DEBUG, INFO, WARN, ERROR, FATAL, OFF.
-    <priority value="ALL" />
-    <appender-ref ref="error-file" />
-    <appender-ref ref="debug-file" />
-    <appender-ref ref="info-console" />
-  </root>
-
-  <!-- Example of turning on the output from a component or namespace. -->
-  <logger name="Common">
-    <appender-ref ref="debugger"/>
-    <priority value="DEBUG" />
-  </logger>
-
-  <appender name="debugger" type="log4net.Appender.DebugAppender">
-    <!-- Sends log messages to Visual Studio if attached. -->
-    <immediateFlush value="true" />
-    <layout type="log4net.Layout.SimpleLayout" />
-  </appender>
-
-  <appender name="info-console" type="log4net.Appender.ConsoleAppender">
-    <layout type="log4net.Layout.PatternLayout">
-      <conversionPattern value="%date |%level%| %message%newline" />
-    </layout>
-
-    <filter type="log4net.Filter.LevelRangeFilter">
-      <param name="LevelMin" value="Info"/>
-      <param name="LevelMax" value="Fatal"/>
-    </filter>
-  </appender>
-
-  <appender name="debug-file" type="log4net.Appender.RollingFileAppender">
-    <param name="Encoding" value="utf-8" />
-    <file value="Logs/debug" />
-    <appendToFile value="true" />
-    <!-- Immediate flush on error log, to avoid data loss with sudden termination. -->
-    <immediateFlush value="true" />
-    <staticLogFileName value="false" />
-    <rollingStyle value="Date" />
-    <datepattern value="-yyyy.MM.dd'.log'" />
-    <!-- Prevents Orchard.exe from displaying locking debug messages. -->
-    <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
-    <layout type="log4net.Layout.PatternLayout">
-      <conversionPattern value="%date %level% [%thread] %logger - %P{Tenant} - %message%newline" />
-    </layout>
-  </appender>
-
-  <appender name="error-file" type="log4net.Appender.RollingFileAppender">
-    <param name="Encoding" value="utf-8" />
-    <file value="Logs/error" />
-    <appendToFile value="true" />
-    <!-- Immediate flush on error log, to avoid data loss with sudden termination. -->
-    <immediateFlush value="true" />
-    <staticLogFileName value="false" />
-    <rollingStyle value="Date" />
-    <datepattern value="-yyyy.MM.dd'.log'" />
-    <!-- Prevents Orchard.exe from displaying locking debug messages. -->
-    <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
-    <filter type="log4net.Filter.LevelRangeFilter">
-      <!-- Only ERROR and FATAL log messages end up in this target, even if child loggers accept lower priority. -->
-      <param name="LevelMin" value="Error"/>
-      <param name="LevelMax" value="Fatal"/>
-    </filter>
-    <layout type="log4net.Layout.PatternLayout">
-      <conversionPattern value="%date [%thread] %logger - %P{Tenant} - %message [%P{Url}]%newline" />
-    </layout>
-  </appender>
-
-</log4net>
diff --git a/FastTunnel.Core/FastTunnel.Core.csproj b/FastTunnel.Core/FastTunnel.Core.csproj
index bd3f2bf..f26b847 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>net5.0;net6.0</TargetFrameworks>
 		<Version>2.1.0</Version>
 		<PackageProjectUrl>https://github.com/SpringHgui/FastTunnel</PackageProjectUrl>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
@@ -20,8 +20,8 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0-preview.3.22175.4" />
-		<PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0-preview.3.22175.4" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="5.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="5.0.0" />
 		<PackageReference Include="Yarp.ReverseProxy" Version="1.1.0" />
 	</ItemGroup>
 
diff --git a/FastTunnel.Server/FastTunnel.Server.csproj b/FastTunnel.Server/FastTunnel.Server.csproj
index 4b081a7..9452eb2 100644
--- a/FastTunnel.Server/FastTunnel.Server.csproj
+++ b/FastTunnel.Server/FastTunnel.Server.csproj
@@ -1,46 +1,45 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
-	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-		<DefineConstants>DEBUG</DefineConstants>
-		<Nullable>enable</Nullable>
-	</PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <DefineConstants>DEBUG</DefineConstants>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
 
-	<PropertyGroup>
-		<TargetFramework>net6.0</TargetFramework>
-		<RunAnalyzersDuringBuild>false</RunAnalyzersDuringBuild>
-	</PropertyGroup>
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <RunAnalyzersDuringBuild>false</RunAnalyzersDuringBuild>
+  </PropertyGroup>
 
-	<ItemGroup>
-		<Compile Remove="logs\**" />
-		<Content Remove="logs\**" />
-		<EmbeddedResource Remove="logs\**" />
-		<None Remove="logs\**" />
-	</ItemGroup>
+  <ItemGroup>
+    <Compile Remove="logs\**" />
+    <Content Remove="logs\**" />
+    <EmbeddedResource Remove="logs\**" />
+    <None Remove="logs\**" />
+  </ItemGroup>
 
-	<ItemGroup>
-		<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="6.0.4" />
-		<PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="7.0.0-preview.3.22175.4" />
-		<PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0-preview.3.22175.4" />
-		<PackageReference Include="Microsoft.Extensions.Logging.Configuration" Version="7.0.0-preview.3.22175.4" />
-		<PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="6.1.0" />
-		<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.15.1" />
-	</ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="6.0.4" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="7.0.0-preview.3.22175.4" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0-preview.3.22175.4" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Configuration" Version="7.0.0-preview.3.22175.4" />
+    <PackageReference Include="Serilog.AspNetCore" Version="6.0.0-dev-00265" />
+  </ItemGroup>
 
-	<ItemGroup Condition="'$(Configuration)'=='Debug'">
-		<PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.3.1" />
-		<PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.3.1" />
-	</ItemGroup>
-	<ItemGroup>
-		<ProjectReference Include="..\FastTunnel.Api\FastTunnel.Api.csproj" />
-		<ProjectReference Include="..\FastTunnel.Core\FastTunnel.Core.csproj" />
-	</ItemGroup>
+  <ItemGroup Condition="'$(Configuration)'=='Debug'">
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.3.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.3.1" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\FastTunnel.Api\FastTunnel.Api.csproj" />
+    <ProjectReference Include="..\FastTunnel.Core\FastTunnel.Core.csproj" />
+  </ItemGroup>
 
-	<ItemGroup>
-		<None Update="uninstall.bat">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-		<None Update="install.bat">
-			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
-		</None>
-	</ItemGroup>
+  <ItemGroup>
+    <None Update="uninstall.bat">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="install.bat">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
 </Project>
diff --git a/FastTunnel.Server/Program.cs b/FastTunnel.Server/Program.cs
index 0a8e82a..307c6c2 100644
--- a/FastTunnel.Server/Program.cs
+++ b/FastTunnel.Server/Program.cs
@@ -8,6 +8,7 @@ using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Serilog;
 
 namespace FastTunnel.Server;
 
@@ -20,6 +21,15 @@ public class Program
 
     public static IHostBuilder CreateHostBuilder(string[] args) =>
         Host.CreateDefaultBuilder(args)
+            .UseSerilog((hostBuilderContext, services, loggerConfiguration) =>
+            {
+                var enableFileLog = (bool)(hostBuilderContext.Configuration.GetSection("EnableFileLog")?.Get(typeof(bool)) ?? false);
+                loggerConfiguration.WriteTo.Console();
+                if (enableFileLog)
+                {
+                    loggerConfiguration.WriteTo.File("Logs/log.txt", rollingInterval: RollingInterval.Day, retainedFileCountLimit: 7);
+                }
+            })
             .UseWindowsService()
             .ConfigureWebHost(webHostBuilder =>
             {
@@ -33,15 +43,5 @@ public class Program
             .ConfigureWebHostDefaults(webBuilder =>
             {
                 webBuilder.UseStartup<Startup>();
-            })
-            .ConfigureLogging((HostBuilderContext context, ILoggingBuilder logging) =>
-            {
-                var enableFileLog = (bool)context.Configuration.GetSection("EnableFileLog").Get(typeof(bool));
-                if (enableFileLog)
-                {
-                    logging.ClearProviders();
-                    logging.SetMinimumLevel(LogLevel.Trace);
-                    logging.AddLog4Net();
-                }
             });
 }
diff --git a/FastTunnel.Server/log4net.config b/FastTunnel.Server/log4net.config
deleted file mode 100644
index 86e9d65..0000000
--- a/FastTunnel.Server/log4net.config
+++ /dev/null
@@ -1,72 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<log4net>
-  <!-- If you are looking here and want more output, first thing to do is change root/priority/@value to "INFO" or "ALL". -->
-  <root>
-    Value of priority may be ALL, DEBUG, INFO, WARN, ERROR, FATAL, OFF.
-    <priority value="ALL" />
-    <appender-ref ref="error-file" />
-    <appender-ref ref="debug-file" />
-    <appender-ref ref="info-console" />
-  </root>
-
-  <!-- Example of turning on the output from a component or namespace. -->
-  <logger name="Common">
-    <appender-ref ref="debugger"/>
-    <priority value="DEBUG" />
-  </logger>
-
-  <appender name="debugger" type="log4net.Appender.DebugAppender">
-    <!-- Sends log messages to Visual Studio if attached. -->
-    <immediateFlush value="true" />
-    <layout type="log4net.Layout.SimpleLayout" />
-  </appender>
-
-  <appender name="info-console" type="log4net.Appender.ConsoleAppender">
-    <layout type="log4net.Layout.PatternLayout">
-      <conversionPattern value="%date |%level%| %message%newline" />
-    </layout>
-
-    <filter type="log4net.Filter.LevelRangeFilter">
-      <param name="LevelMin" value="Info"/>
-      <param name="LevelMax" value="Fatal"/>
-    </filter>
-  </appender>
-
-  <appender name="debug-file" type="log4net.Appender.RollingFileAppender">
-    <param name="Encoding" value="utf-8" />
-    <file value="Logs/debug" />
-    <appendToFile value="true" />
-    <!-- Immediate flush on error log, to avoid data loss with sudden termination. -->
-    <immediateFlush value="true" />
-    <staticLogFileName value="false" />
-    <rollingStyle value="Date" />
-    <datepattern value="-yyyy.MM.dd'.log'" />
-    <!-- Prevents Orchard.exe from displaying locking debug messages. -->
-    <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
-    <layout type="log4net.Layout.PatternLayout">
-      <conversionPattern value="%date %level% [%thread] %logger - %P{Tenant} - %message%newline" />
-    </layout>
-  </appender>
-
-  <appender name="error-file" type="log4net.Appender.RollingFileAppender">
-    <param name="Encoding" value="utf-8" />
-    <file value="Logs/error" />
-    <appendToFile value="true" />
-    <!-- Immediate flush on error log, to avoid data loss with sudden termination. -->
-    <immediateFlush value="true" />
-    <staticLogFileName value="false" />
-    <rollingStyle value="Date" />
-    <datepattern value="-yyyy.MM.dd'.log'" />
-    <!-- Prevents Orchard.exe from displaying locking debug messages. -->
-    <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
-    <filter type="log4net.Filter.LevelRangeFilter">
-      <!-- Only ERROR and FATAL log messages end up in this target, even if child loggers accept lower priority. -->
-      <param name="LevelMin" value="Error"/>
-      <param name="LevelMax" value="Fatal"/>
-    </filter>
-    <layout type="log4net.Layout.PatternLayout">
-      <conversionPattern value="%date [%thread] %logger - %P{Tenant} - %message [%P{Url}]%newline" />
-    </layout>
-  </appender>
-
-</log4net>