diff --git a/GCNF.Algorithm.sln b/GCNF.Algorithm.sln
index efbe616350a8d032e18901556db8f42546e9574e..9a91cca71dd150b15addb9b3e1ce96968a229b26 100644
--- a/GCNF.Algorithm.sln
+++ b/GCNF.Algorithm.sln
@@ -27,7 +27,9 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "04 冒泡算法", "04 冒
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GCNF.Algorithm.BubbleAlgorithm", "GCNF.Algorithm.BubbleAlgorithm\GCNF.Algorithm.BubbleAlgorithm.csproj", "{D497296B-77CB-4827-87C5-76E907453FED}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GCNF.Algorithm.MinimumActivity", "GCNF.Algorithm.MinimumActivity\GCNF.Algorithm.MinimumActivity.csproj", "{9FAD7740-F5F9-48CC-A066-8E1D96A65988}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GCNF.Algorithm.MinimumActivity", "GCNF.Algorithm.MinimumActivity\GCNF.Algorithm.MinimumActivity.csproj", "{9FAD7740-F5F9-48CC-A066-8E1D96A65988}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestProject_GCNF.Algorithm.MinimumActivity", "TestProject_GCNF.Algorithm.MinimumActivity\TestProject_GCNF.Algorithm.MinimumActivity.csproj", "{227E7CF5-F0B4-4BFA-9C56-99985BE4EE66}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -59,6 +61,10 @@ Global
 		{9FAD7740-F5F9-48CC-A066-8E1D96A65988}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9FAD7740-F5F9-48CC-A066-8E1D96A65988}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9FAD7740-F5F9-48CC-A066-8E1D96A65988}.Release|Any CPU.Build.0 = Release|Any CPU
+		{227E7CF5-F0B4-4BFA-9C56-99985BE4EE66}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{227E7CF5-F0B4-4BFA-9C56-99985BE4EE66}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{227E7CF5-F0B4-4BFA-9C56-99985BE4EE66}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{227E7CF5-F0B4-4BFA-9C56-99985BE4EE66}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -75,6 +81,7 @@ Global
 		{E5EDA65D-EA1C-48A8-82D5-D0D2EE7C5C02} = {86202654-4D12-4561-B332-FBFDB2FF7EF7}
 		{D497296B-77CB-4827-87C5-76E907453FED} = {E5EDA65D-EA1C-48A8-82D5-D0D2EE7C5C02}
 		{9FAD7740-F5F9-48CC-A066-8E1D96A65988} = {F92662E3-3163-4D25-A87F-D6BEDEDFE37F}
+		{227E7CF5-F0B4-4BFA-9C56-99985BE4EE66} = {D98B14CE-6355-43B5-B816-F99B54C7AE28}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {9CDAA185-8BDF-4A79-8666-D3451A1C465E}
diff --git a/TestProject_GCNF.Algorithm.MinimumActivity/TestProject_GCNF.Algorithm.MinimumActivity.csproj b/TestProject_GCNF.Algorithm.MinimumActivity/TestProject_GCNF.Algorithm.MinimumActivity.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..2ad986de145db4c8700db5a3ec3b62d526af60df
--- /dev/null
+++ b/TestProject_GCNF.Algorithm.MinimumActivity/TestProject_GCNF.Algorithm.MinimumActivity.csproj
@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.1.2">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\GCNF.Algorithm.MinimumActivity\GCNF.Algorithm.MinimumActivity.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/TestProject_GCNF.Algorithm.MinimumActivity/UnitTest1.cs b/TestProject_GCNF.Algorithm.MinimumActivity/UnitTest1.cs
new file mode 100644
index 0000000000000000000000000000000000000000..906a5ceeced105d46a00debb8bb6f1eb0f2898b0
--- /dev/null
+++ b/TestProject_GCNF.Algorithm.MinimumActivity/UnitTest1.cs
@@ -0,0 +1,22 @@
+using GCNF.Algorithm.MinimumActivity;
+using System;
+using Xunit;
+
+namespace TestProject_GCNF.Algorithm.MinimumActivity
+{
+    public class UnitTest1
+    {
+        private AbstractLeastActive abstractLeastActive = new LeastActive();
+        [Fact]
+        public void Test1()
+        {
+            abstractLeastActive.keyValuePairs.TryAdd("http://localhost:8080", 0); 
+            abstractLeastActive.keyValuePairs.TryAdd("http://localhost:8082", 1);
+            abstractLeastActive.keyValuePairs.TryAdd("http://localhost:8081", -1);
+            abstractLeastActive.keyValuePairs.TryAdd("http://localhost:8083", -1);
+            string value = abstractLeastActive.GetValue();
+            abstractLeastActive.Dispose(value);
+            Assert.Equal("http://localhost:8083", value);
+        }
+    }
+}