diff --git a/LearningChineseSimplified.sln b/LearningChineseSimplified.sln
index c07f628..0d8af07 100644
--- a/LearningChineseSimplified.sln
+++ b/LearningChineseSimplified.sln
@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.5.33502.453
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LearningChineseSimplified", "LearningChineseSimplified\LearningChineseSimplified.csproj", "{CB720171-DFDA-4BDC-9194-9ADE3435F41C}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LearningChineseSimplified", "LearningChineseSimplified\LearningChineseSimplified.csproj", "{CB720171-DFDA-4BDC-9194-9ADE3435F41C}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/LearningChineseSimplified/LearningChineseSimplified.csproj b/LearningChineseSimplified/LearningChineseSimplified.csproj
index d02b381..cc68763 100644
--- a/LearningChineseSimplified/LearningChineseSimplified.csproj
+++ b/LearningChineseSimplified/LearningChineseSimplified.csproj
@@ -10,8 +10,8 @@
 	<ItemGroup>
 		<PackageReference Include="Blazored.LocalStorage" Version="4.3.0" />
 		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="6.0.19" />
-		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="7.0.8" />
-		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="7.0.8" />
+		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="6.0.19" />
+		<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="6.0.19" />
 		<PackageReference Include="MudBlazor" Version="6.5.0" />
 	</ItemGroup>
 	
diff --git a/LearningChineseSimplified/Properties/launchSettings.json b/LearningChineseSimplified/Properties/launchSettings.json
index a8dd128..e1c1dbe 100644
--- a/LearningChineseSimplified/Properties/launchSettings.json
+++ b/LearningChineseSimplified/Properties/launchSettings.json
@@ -10,12 +10,13 @@
     },
     "Mudblazor.Template": {
       "commandName": "Project",
+      "launchBrowser": true,
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       },
       "dotnetRunMessages": "true",
       "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}",
-      "applicationUrl": "https://localhost:5001;http://0.0.0.0:420"
+      "applicationUrl": "https://localhost:5001;http://localhost:420"
     }
   },
   "iisSettings": {