diff --git a/samples/SwaggerUI_IndexStream_Knife4jUI_Demo/SwaggerUI_IndexStream_Knife4jUI_Demo.csproj b/samples/SwaggerUI_IndexStream_Knife4jUI_Demo/SwaggerUI_IndexStream_Knife4jUI_Demo.csproj
index db679e1..baaeb80 100644
--- a/samples/SwaggerUI_IndexStream_Knife4jUI_Demo/SwaggerUI_IndexStream_Knife4jUI_Demo.csproj
+++ b/samples/SwaggerUI_IndexStream_Knife4jUI_Demo/SwaggerUI_IndexStream_Knife4jUI_Demo.csproj
@@ -8,9 +8,9 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.10.9" />
-    <PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="5.5.1" />
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="5.5.1" />
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUi" Version="5.5.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="6.1.4" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.1.4" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUi" Version="6.1.4" />
   </ItemGroup>
 
 
diff --git a/src/IGeekFan.AspNetCore.Knife4jUI/IGeekFan.AspNetCore.Knife4jUI.csproj b/src/IGeekFan.AspNetCore.Knife4jUI/IGeekFan.AspNetCore.Knife4jUI.csproj
index 177e6a5..fcda3f7 100644
--- a/src/IGeekFan.AspNetCore.Knife4jUI/IGeekFan.AspNetCore.Knife4jUI.csproj
+++ b/src/IGeekFan.AspNetCore.Knife4jUI/IGeekFan.AspNetCore.Knife4jUI.csproj
@@ -19,8 +19,13 @@
 		<PackageLicenseExpression></PackageLicenseExpression>
 		<AssemblyVersion>0.0.8.0</AssemblyVersion>
 		<FileVersion>0.0.8.0</FileVersion>
+		<PublishRepositoryUrl>true</PublishRepositoryUrl>
+		<EmbedUntrackedSources>true</EmbedUntrackedSources>
+		<AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
 	</PropertyGroup>
-
+	<ItemGroup>
+		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
+	</ItemGroup>
 	<ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
 		<PackageReference Include="Microsoft.AspNetCore.Routing" Version="2.1.0" />
 		<PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.1.0" />
diff --git a/test/Basic/Basic.csproj b/test/Basic/Basic.csproj
index b872dee..8b268e5 100644
--- a/test/Basic/Basic.csproj
+++ b/test/Basic/Basic.csproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <NoWarn>$(NoWarn);1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
 
   <ItemGroup>
-	  <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="5.5.1" />
-	  <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUi" Version="5.5.1" />
+	  <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="6.1.4" />
+	  <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUi" Version="6.1.4" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/Basic/Startup.cs b/test/Basic/Startup.cs
index 64c9007..503030d 100644
--- a/test/Basic/Startup.cs
+++ b/test/Basic/Startup.cs
@@ -103,13 +103,13 @@ namespace Basic
 
             app.UseSwaggerUI(c =>
             {
-                c.RoutePrefix = ""; // serve the UI at root
+                c.RoutePrefix = "swagger"; // serve the UI at root
                 c.SwaggerEndpoint("/v1/api-docs", "V1 Docs");
                 c.SwaggerEndpoint("/gp/api-docs", "��¼ģ��");
             });
             app.UseKnife4UI(c =>
             {
-                //c.RoutePrefix = ""; // serve the UI at root
+                c.RoutePrefix = ""; // serve the UI at root
                 c.SwaggerEndpoint("/v1/api-docs", "V1 Docs");
                 c.SwaggerEndpoint("/gp/api-docs", "��¼ģ��");
             });
diff --git a/test/Knife4jUIDemo/Knife4jUIDemo.csproj b/test/Knife4jUIDemo/Knife4jUIDemo.csproj
index 0e6231a..1a330bf 100644
--- a/test/Knife4jUIDemo/Knife4jUIDemo.csproj
+++ b/test/Knife4jUIDemo/Knife4jUIDemo.csproj
@@ -11,7 +11,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Swashbuckle.AspNetCore" Version="5.5.1" />
+		<PackageReference Include="Swashbuckle.AspNetCore" Version="6.1.4" />
 		<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.10.9" />
 	</ItemGroup>
 
diff --git a/test/Knife4jUIDemo/Startup.cs b/test/Knife4jUIDemo/Startup.cs
index 43e43a1..54c32a4 100644
--- a/test/Knife4jUIDemo/Startup.cs
+++ b/test/Knife4jUIDemo/Startup.cs
@@ -60,6 +60,7 @@ namespace Knife4jUIDemo
 
             app.UseSwaggerUI(c =>
             {
+                c.RoutePrefix = "swagger"; // serve the UI at root
                 c.SwaggerEndpoint("/v1/api-docs", "LinCms");
             });
 
diff --git a/test/WebSites/NSwag.Swagger.Knife4jUI/Startup.cs b/test/WebSites/NSwag.Swagger.Knife4jUI/Startup.cs
index b5f8dce..faf7abe 100644
--- a/test/WebSites/NSwag.Swagger.Knife4jUI/Startup.cs
+++ b/test/WebSites/NSwag.Swagger.Knife4jUI/Startup.cs
@@ -55,6 +55,7 @@ namespace NSwag.Swagger.Knife4jUI
             });
             app.UseKnife4UI(c =>
             {
+                c.RoutePrefix = ""; // serve the UI at root
                 // c.RoutePrefix = "/docs"; // serve the UI at root
                 c.SwaggerEndpoint("/swagger/v1/swagger.json", "V1 Docs");
             });
diff --git a/test/WebSites/OAuth2Integration/OAuth2Integration.csproj b/test/WebSites/OAuth2Integration/OAuth2Integration.csproj
index a2a2ce0..32ddaf2 100644
--- a/test/WebSites/OAuth2Integration/OAuth2Integration.csproj
+++ b/test/WebSites/OAuth2Integration/OAuth2Integration.csproj
@@ -1,16 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
 	<PropertyGroup>
-		<TargetFramework>netcoreapp3.0</TargetFramework>
+		<TargetFramework>netcoreapp3.1</TargetFramework>
 	</PropertyGroup>
 
 	<ItemGroup>
 		<PackageReference Include="IdentityServer4" Version="3.0.2" />
 		<PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.1" />
 		<PackageReference Include="NCaptcha.AspNetCore.SessionImages" Version="0.1.0" />
-		<PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="5.5.1" />
-		<PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="5.5.1" />
-		<PackageReference Include="Swashbuckle.AspNetCore.SwaggerUi" Version="5.5.1" />
+		<PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="6.1.4" />
+		<PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.1.4" />
+		<PackageReference Include="Swashbuckle.AspNetCore.SwaggerUi" Version="6.1.4" />
 	</ItemGroup>
 
 	<ItemGroup>