diff --git a/Rin.sln b/Rin.sln
index 617bce9..0209ee2 100644
--- a/Rin.sln
+++ b/Rin.sln
@@ -11,8 +11,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Samples", "Samples", "{B82C
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Rin.Mvc", "src\Rin.Mvc\Rin.Mvc.csproj", "{BDFF983D-4A01-4F65-BA97-45DB18B124D2}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Rin.Log4NetAppender", "src\Rin.Log4NetAppender\Rin.Log4NetAppender.csproj", "{20890D4F-9D03-4663-ACCE-D4404E8A8AF6}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Rin.Storage.Redis", "src\Rin.Storage.Redis\Rin.Storage.Redis.csproj", "{306BC2D2-ACB8-4F60-9D03-6EAAAD6CF8F0}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{FFF7EB81-6AC3-4509-ACB5-502DECFAE084}"
@@ -27,7 +25,9 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "GitHub Actions", "GitHub Ac
 		.github\workflows\release.yml = .github\workflows\release.yml
 	EndProjectSection
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Rin.Extensions.EntityFrameworkCore", "src\Rin.Extensions.EntityFrameworkCore\Rin.Extensions.EntityFrameworkCore.csproj", "{249517E0-1E18-4100-91F9-D6B200C911C0}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Rin.Extensions.EntityFrameworkCore", "src\Rin.Extensions.EntityFrameworkCore\Rin.Extensions.EntityFrameworkCore.csproj", "{249517E0-1E18-4100-91F9-D6B200C911C0}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Rin.Extensions.Log4NetAppender", "src\Rin.Extensions.Log4NetAppender\Rin.Extensions.Log4NetAppender.csproj", "{97666ECB-FD39-42CC-B896-5E20B89CE1EF}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -47,10 +47,6 @@ Global
 		{BDFF983D-4A01-4F65-BA97-45DB18B124D2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{BDFF983D-4A01-4F65-BA97-45DB18B124D2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{BDFF983D-4A01-4F65-BA97-45DB18B124D2}.Release|Any CPU.Build.0 = Release|Any CPU
-		{20890D4F-9D03-4663-ACCE-D4404E8A8AF6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{20890D4F-9D03-4663-ACCE-D4404E8A8AF6}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{20890D4F-9D03-4663-ACCE-D4404E8A8AF6}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{20890D4F-9D03-4663-ACCE-D4404E8A8AF6}.Release|Any CPU.Build.0 = Release|Any CPU
 		{306BC2D2-ACB8-4F60-9D03-6EAAAD6CF8F0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{306BC2D2-ACB8-4F60-9D03-6EAAAD6CF8F0}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{306BC2D2-ACB8-4F60-9D03-6EAAAD6CF8F0}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -59,6 +55,10 @@ Global
 		{249517E0-1E18-4100-91F9-D6B200C911C0}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{249517E0-1E18-4100-91F9-D6B200C911C0}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{249517E0-1E18-4100-91F9-D6B200C911C0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{97666ECB-FD39-42CC-B896-5E20B89CE1EF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{97666ECB-FD39-42CC-B896-5E20B89CE1EF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{97666ECB-FD39-42CC-B896-5E20B89CE1EF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{97666ECB-FD39-42CC-B896-5E20B89CE1EF}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/samples/HelloRin/HelloRin.csproj b/samples/HelloRin/HelloRin.csproj
index 6c7831b..a544abc 100644
--- a/samples/HelloRin/HelloRin.csproj
+++ b/samples/HelloRin/HelloRin.csproj
@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\src\Rin.Extensions.EntityFrameworkCore\Rin.Extensions.EntityFrameworkCore.csproj" />
-    <ProjectReference Include="..\..\src\Rin.Log4NetAppender\Rin.Log4NetAppender.csproj" />
+    <ProjectReference Include="..\..\src\Rin.Extensions.Log4NetAppender\Rin.Extensions.Log4NetAppender.csproj" />
     <ProjectReference Include="..\..\src\Rin.Mvc\Rin.Mvc.csproj" />
     <ProjectReference Include="..\..\src\Rin.Storage.Redis\Rin.Storage.Redis.csproj" />
     <ProjectReference Include="..\..\src\Rin\Rin.csproj" />
diff --git a/samples/HelloRin/log4net.config b/samples/HelloRin/log4net.config
index cd7454f..0d31f1d 100644
--- a/samples/HelloRin/log4net.config
+++ b/samples/HelloRin/log4net.config
@@ -2,7 +2,7 @@
 <configuration>
   <log4net>
     <appender name="Console" type="log4net.Appender.ManagedColoredConsoleAppender"></appender>
-    <appender name="Rin" type="Rin.Log4NetAppender.RinLogAppender, Rin.Log4NetAppender"></appender>
+    <appender name="Rin" type="Rin.Extensions.Log4NetAppender.RinLogAppender, Rin.Extensions.Log4NetAppender"></appender>
     <root>
       <level value="All" />
       <appender-ref ref="Console" />
diff --git a/src/Rin.Log4NetAppender/Rin.Log4NetAppender.csproj b/src/Rin.Extensions.Log4NetAppender/Rin.Extensions.Log4NetAppender.csproj
similarity index 100%
rename from src/Rin.Log4NetAppender/Rin.Log4NetAppender.csproj
rename to src/Rin.Extensions.Log4NetAppender/Rin.Extensions.Log4NetAppender.csproj
diff --git a/src/Rin.Log4NetAppender/RinLogAppender.cs b/src/Rin.Extensions.Log4NetAppender/RinLogAppender.cs
similarity index 94%
rename from src/Rin.Log4NetAppender/RinLogAppender.cs
rename to src/Rin.Extensions.Log4NetAppender/RinLogAppender.cs
index dfb0cc2..c0ea395 100644
--- a/src/Rin.Log4NetAppender/RinLogAppender.cs
+++ b/src/Rin.Extensions.Log4NetAppender/RinLogAppender.cs
@@ -1,11 +1,11 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using log4net.Core;
 using Rin.Core.Record;
 
-namespace Rin.Log4NetAppender
+namespace Rin.Extensions.Log4NetAppender
 {
     public class RinLogAppender : log4net.Appender.AppenderSkeleton
     {