misc: version, trim, web demo.

.github/workflows/deploy.yml

@@ -2,7 +2,7 @@ name: Deploy to GitHub Pages
 
 env:
   PROJECT_PATH: demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj
-  OUTPUT_PATH: demo/Semi.Avalonia.Demo.Web/bin/Release/net7.0/browser-wasm/AppBundle
+  OUTPUT_PATH: demo/Semi.Avalonia.Demo.Web/bin/Release/net8.0-browser/publish/wwwroot
 on:
   push:
     branches: [ "action/deploy" ]
@@ -16,19 +16,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4.1.1
 
-      - name: Setup .NET 7
+      - name: Setup .NET 8
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 7.0.405
+          dotnet-version: 8.0.x
 
       - name: Install wasm-tools
-        run: dotnet workload install wasm-tools wasm-tools-net7
+        run: dotnet workload install wasm-tools
-
-      - name: Install DotNetCompress
-        run: dotnet tool install --global DotNetCompress --version 3.0.0 --no-cache
 
       - name: Publish .NET Project
-        run: dotnet publish $PROJECT_PATH -c Release -o release --nologo
+        run: dotnet publish $PROJECT_PATH -c Release --nologo
 
       - name: Change base-tag in index.html
         run: sed -i 's/<base href="\/" \/>/<base href="\/Semi.Avalonia\/" \/>/g' $OUTPUT_PATH/index.html
@@ -36,12 +33,6 @@ jobs:
       - name: copy index.html to 404.html
         run: cp $OUTPUT_PATH/index.html $OUTPUT_PATH/404.html
 
-      - name: Compress Output using Brotli
-        run: DotNetCompress -d $OUTPUT_PATH -p "*.dll" "*.js" "*.wasm" --format br --threads 4
-
-      - name: Compress Output using GZip
-        run: DotNetCompress -d $OUTPUT_PATH -p "*.dll" "*.js" "*.wasm" --format gz --threads 4
-
       - name: Add .nojekyll file
         run: touch $OUTPUT_PATH/.nojekyll
 

.github/workflows/pack.yml

@@ -49,7 +49,7 @@ jobs:
         run: dotnet restore
 
       - name: Build
-        run: dotnet publish ./demo/Semi.Avalonia.Demo.Android -c Release -f net7.0-android --no-restore
+        run: dotnet publish ./demo/Semi.Avalonia.Demo.Android -c Release -f net8.0-android --no-restore
 
       - name: Upload a Build Artifact
         uses: actions/upload-artifact@v4.3.1

.run/SC-Single.run.xml

@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="SC-Single" type="DotNetFolderPublish" factoryName="Publish to folder">
-    <riderPublish configuration="Release" include_native_libs_for_self_extract="true" platform="Any CPU" produce_single_file="true" runtime="win-x64" self_contained="true" target_folder="$PROJECT_DIR$/demo/Semi.Avalonia.Demo.Desktop/bin/Release/net7.0/win-x64/publish" target_framework="net7.0" uuid_high="3088527218258560748" uuid_low="-8649338673481336678" />
+    <riderPublish configuration="Release" include_native_libs_for_self_extract="true" platform="Any CPU" produce_single_file="true" runtime="win-x64" self_contained="true" target_folder="$PROJECT_DIR$/demo/Semi.Avalonia.Demo.Desktop/bin/Release/net8.0/win-x64/publish" target_framework="net8.0" uuid_high="3088527218258560748" uuid_low="-8649338673481336678" />
     <method v="2" />
   </configuration>
 </component>

demo/Semi.Avalonia.Demo.Android/Semi.Avalonia.Demo.Android.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net7.0-android</TargetFramework>
+        <TargetFramework>net8.0-android</TargetFramework>
         <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
         <ApplicationId>com.irihitech.Semi.Avalonia</ApplicationId>
         <ApplicationVersion>1</ApplicationVersion>
@@ -15,11 +15,11 @@
     <Import Project="../Directory.Build.props" />
 
     <ItemGroup>
-      <PackageReference Include="Avalonia.Android" Version="$(AvaloniaVersion)" />
+        <PackageReference Include="Avalonia.Android" Version="$(AvaloniaVersion)" />
     </ItemGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj" />
+        <ProjectReference Include="..\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj" />
     </ItemGroup>
-    
+
 </Project>

demo/Semi.Avalonia.Demo.Desktop/Roots.xml

@@ -0,0 +1,3 @@
+<linker>
+    <assembly fullname="Semi.Avalonia.Demo" preserve="All"/>
+</linker>

demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <OutputType>WinExe</OutputType>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
         <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
         <!-- Uncomment below to enable Native AOT compilation-->
@@ -11,12 +11,17 @@
         -->
     </PropertyGroup>
 
+    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
+        <IsTrimmable>true</IsTrimmable>
+        <PublishTrimmed>true</PublishTrimmed>
+    </PropertyGroup>
+
     <PropertyGroup>
         <ApplicationManifest>app.manifest</ApplicationManifest>
     </PropertyGroup>
-    
+
     <ItemGroup>
-        <RdXmlFile Include="rd.xml" />
+        <TrimmerRootDescriptor Include="Roots.xml" />
     </ItemGroup>
 
     <ItemGroup>

demo/Semi.Avalonia.Demo.Desktop/rd.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Directives>
-    <!--
-        This file is part of RdXmlLibrary project.
-        Visit https://github.com/kant2002/rdxmllibrary for latest version.
-        If you have modifications specific to this Nuget package,
-        please contribute back.
-    -->
-    <Application>
-        <Assembly Name="Avalonia.Markup.Xaml" Dynamic="Required All"/>
-        <Assembly Name="Semi.Avalonia" Dynamic="Required All"/>
-        <Assembly Name="Semi.Avalonia.DataGrid" Dynamic="Required All"/>
-        <Assembly Name="Semi.Avalonia.ColorPicker" Dynamic="Required All"/>
-        <Assembly Name="Semi.Avalonia.Demo" Dynamic="Required All"/>
-    </Application>
-</Directives>

demo/Semi.Avalonia.Demo.Web/AvaloniaAppBuilderExtensions.cs

@@ -0,0 +1,16 @@
+using Avalonia;
+using Avalonia.Media;
+
+namespace Semi.Avalonia.Demo.Web;
+
+public static class AvaloniaAppBuilderExtensions
+{
+    private static string DefaultFontFamily => "avares://Semi.Avalonia.Demo.Web/Assets#Source Han Sans CN";
+
+    public static AppBuilder WithSourceHanSansCNFont(this AppBuilder builder) =>
+        builder.With(new FontManagerOptions
+        {
+            DefaultFamilyName = DefaultFontFamily,
+            FontFallbacks = new[] { new FontFallback { FontFamily = new FontFamily(DefaultFontFamily) } }
+        });
+}

demo/Semi.Avalonia.Demo.Web/Program.cs

@@ -7,9 +7,10 @@ using Avalonia.Browser;
 
 namespace Semi.Avalonia.Demo.Web;
 
-internal partial class Program
+internal sealed partial class Program
 {
-    private static async Task Main(string[] args) => await BuildAvaloniaApp()
+    private static Task Main(string[] args) => BuildAvaloniaApp()
+        .WithSourceHanSansCNFont()
         .StartBrowserAppAsync("out");
 
     public static AppBuilder BuildAvaloniaApp()

demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj

@@ -1,20 +1,18 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk.WebAssembly">
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
-        <RuntimeIdentifier>browser-wasm</RuntimeIdentifier>
-        <WasmMainJSPath>AppBundle\main.js</WasmMainJSPath>
         <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0-browser</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
-        <WasmExtraFilesToDeploy Include="AppBundle\**" />
+        <AvaloniaResource Include="Assets\**"/>
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Browser" Version="$(AvaloniaVersion)" />
+        <PackageReference Include="Avalonia.Browser" Version="$(AvaloniaVersion)"/>
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj" />
+        <ProjectReference Include="..\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj"/>
     </ItemGroup>
 </Project>

demo/Semi.Avalonia.Demo.Web/wwwroot/index.html

@@ -7,8 +7,8 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <base href="/" />
     <link rel="modulepreload" href="./main.js" />
-    <link rel="modulepreload" href="./dotnet.js" />
+    <link rel="modulepreload" href="./_framework/dotnet.js" />
-    <link rel="modulepreload" href="./avalonia.js" />
+    <link rel="modulepreload" href="./_framework/avalonia.js" />
     <link rel="stylesheet" href="./app.css" />
 </head>
 

demo/Semi.Avalonia.Demo.Web/wwwroot/main.js

@@ -1,4 +1,4 @@
-import { dotnet } from './dotnet.js'
+import { dotnet } from './_framework/dotnet.js'
 
 const is_browser = typeof window != "undefined";
 if (!is_browser) throw new Error(`Expected to be running in a browser`);
@@ -10,4 +10,4 @@ const dotnetRuntime = await dotnet
 
 const config = dotnetRuntime.getConfig();
 
-await dotnetRuntime.runMainAndExit(config.mainAssemblyName, [window.location.search]);
+await dotnetRuntime.runMain(config.mainAssemblyName, [window.location.search]);

demo/Semi.Avalonia.Demo/Roots.xml

@@ -1,5 +0,0 @@
-<linker>
-  <!-- Can be removed if CompiledBinding and no reflection are used -->
-  <assembly fullname="Semi.Avalonia.Demo" preserve="All" />
-  <assembly fullname="Avalonia.Themes.Fluent" preserve="All" />
-</linker>

demo/Semi.Avalonia.Demo/Semi.Avalonia.Demo.csproj

@@ -4,10 +4,9 @@
         <Nullable>enable</Nullable>
         <LangVersion>latest</LangVersion>
     </PropertyGroup>
-    
+
     <ItemGroup>
         <AvaloniaResource Include="Assets\**" />
-        <TrimmerRootDescriptor Include="Roots.xml" />
     </ItemGroup>
 
     <ItemGroup>
@@ -19,8 +18,8 @@
     </ItemGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\..\src\Semi.Avalonia.ColorPicker\Semi.Avalonia.ColorPicker.csproj" />
+        <ProjectReference Include="..\..\src\Semi.Avalonia.ColorPicker\Semi.Avalonia.ColorPicker.csproj" />
-      <ProjectReference Include="..\..\src\Semi.Avalonia.DataGrid\Semi.Avalonia.DataGrid.csproj" />
+        <ProjectReference Include="..\..\src\Semi.Avalonia.DataGrid\Semi.Avalonia.DataGrid.csproj" />
-      <ProjectReference Include="..\..\src\Semi.Avalonia\Semi.Avalonia.csproj" />
+        <ProjectReference Include="..\..\src\Semi.Avalonia\Semi.Avalonia.csproj" />
     </ItemGroup>
 </Project>

demo/Semi.Avalonia.Demo/ViewModels/PaletteDemoViewModel.cs

@@ -47,8 +47,8 @@ public class PaletteDemoViewModel: ObservableObject
 
     public PaletteDemoViewModel()
     {
-        _lightResourceDictionary = AvaloniaXamlLoader.Load(new Uri("avares://Semi.Avalonia/Themes/Light/Palette.axaml")) as ResourceDictionary;
+        _lightResourceDictionary  = new Light.Palette();
-        _darkResourceDictionary = AvaloniaXamlLoader.Load(new Uri("avares://Semi.Avalonia/Themes/Dark/Palette.axaml")) as ResourceDictionary;
+        _darkResourceDictionary = new Dark.Palette();
         WeakReferenceMessenger.Default.Register<PaletteDemoViewModel, ColorItemViewModel>(this, OnClickColorItem);
     }
 

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "7.0.0",
+    "version": "8.0.0",
     "rollForward": "latestMajor",
     "allowPrerelease": true
   }

src/Package.props

@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <TargetFrameworks>net6.0;netstandard2.0</TargetFrameworks>
+        <TargetFrameworks>net6.0;net8.0;netstandard2.0</TargetFrameworks>
         <Nullable>enable</Nullable>
         <LangVersion>latest</LangVersion>
         <Version>11.0.7.4</Version>

src/Semi.Avalonia.ColorPicker/Index.axaml

@@ -2,8 +2,8 @@
     <Styles.Resources>
         <ResourceDictionary>
             <ResourceDictionary.ThemeDictionaries>
-                <MergeResourceInclude x:Key="Default" Source="avares://Semi.Avalonia.ColorPicker/Light.axaml" />
+                <ResourceInclude x:Key="Default" Source="avares://Semi.Avalonia.ColorPicker/Light.axaml" />
-                <MergeResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia.ColorPicker/Dark.axaml" />
+                <ResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia.ColorPicker/Dark.axaml" />
             </ResourceDictionary.ThemeDictionaries>
             <ResourceDictionary.MergedDictionaries>
                 <ResourceInclude Source="avares://Semi.Avalonia.ColorPicker/Controls/ColorPicker.axaml" />

src/Semi.Avalonia.ColorPicker/Semi.Avalonia.ColorPicker.csproj

@@ -7,6 +7,10 @@
         <PackageReleaseNotes>Update to 11.0.7</PackageReleaseNotes>
     </PropertyGroup>
 
+    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
+        <IsAotCompatible>true</IsAotCompatible>
+    </PropertyGroup>
+
     <ItemGroup>
         <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)"/>
         <PackageReference Include="Avalonia.Controls.ColorPicker" Version="$(AvaloniaVersion)"/>

src/Semi.Avalonia.DataGrid/Index.axaml

@@ -2,8 +2,8 @@
     <Styles.Resources>
         <ResourceDictionary>
             <ResourceDictionary.ThemeDictionaries>
-                <MergeResourceInclude x:Key="Default" Source="avares://Semi.Avalonia.DataGrid/Light.axaml" />
+                <ResourceInclude x:Key="Default" Source="avares://Semi.Avalonia.DataGrid/Light.axaml" />
-                <MergeResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia.DataGrid/Dark.axaml" />
+                <ResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia.DataGrid/Dark.axaml" />
             </ResourceDictionary.ThemeDictionaries>
             <ResourceDictionary.MergedDictionaries>
                 <ResourceInclude Source="avares://Semi.Avalonia.DataGrid/DataGrid.axaml" />

src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj

@@ -1,12 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <Import Project="../Package.props"/>
-    
+
     <PropertyGroup>
         <Title>Semi.Avalonia.DataGrid</Title>
         <PackageReleaseNotes>Update to 11.0.7</PackageReleaseNotes>
     </PropertyGroup>
 
+    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
+        <IsAotCompatible>true</IsAotCompatible>
+    </PropertyGroup>
+
     <ItemGroup>
         <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)"/>
         <PackageReference Include="Avalonia.Controls.DataGrid" Version="$(AvaloniaVersion)"/>

src/Semi.Avalonia.TreeDataGrid/Semi.Avalonia.TreeDataGrid.csproj

@@ -14,6 +14,10 @@
         <AvaloniaVersion>11.0.0</AvaloniaVersion>
     </PropertyGroup>
 
+    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
+        <IsAotCompatible>true</IsAotCompatible>
+    </PropertyGroup>
+
     <ItemGroup>
         <PackageReference Include="Avalonia.Controls.TreeDataGrid" Version="$(AvaloniaVersion)"/>
         <None Include="irihi.png" Pack="true" PackagePath=""/>

src/Semi.Avalonia/Locale/en-us.axaml.cs

@@ -0,0 +1,8 @@
+using Avalonia.Controls;
+
+namespace Semi.Avalonia.Locale;
+
+public class en_us: ResourceDictionary
+{
+    
+}

src/Semi.Avalonia/Locale/zh-cn.axaml.cs

@@ -0,0 +1,8 @@
+using Avalonia.Controls;
+
+namespace Semi.Avalonia.Locale;
+
+public class zh_cn: ResourceDictionary
+{
+    
+}

src/Semi.Avalonia/Semi.Avalonia.csproj

@@ -7,6 +7,10 @@
         <PackageReleaseNotes>Update to 11.0.7</PackageReleaseNotes>
     </PropertyGroup>
 
+    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
+        <IsAotCompatible>true</IsAotCompatible>
+    </PropertyGroup>
+
     <ItemGroup>
         <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)"/>
     </ItemGroup>

src/Semi.Avalonia/Themes/Dark/Palette.axaml

@@ -1,4 +1,4 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary x:Class="Semi.Avalonia.Dark.Palette" xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <!--  Color Resources  -->
     <Color x:Key="SemiRed0Color">#6C090B</Color>
     <Color x:Key="SemiRed1Color">#901110</Color>

src/Semi.Avalonia/Themes/Dark/Palette.axaml.cs

@@ -0,0 +1,9 @@
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Semi.Avalonia.Dark;
+
+public class Palette: ResourceDictionary
+{
+
+}

src/Semi.Avalonia/Themes/Index.axaml

@@ -2,8 +2,8 @@
     <Styles.Resources>
         <ResourceDictionary>
             <ResourceDictionary.ThemeDictionaries>
-                <MergeResourceInclude x:Key="Default" Source="avares://Semi.Avalonia/Themes/Light/_index.axaml" />
+                <ResourceInclude x:Key="Default" Source="avares://Semi.Avalonia/Themes/Light/_index.axaml" />
-                <MergeResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia/Themes/Dark/_index.axaml" />
+                <ResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia/Themes/Dark/_index.axaml" />
             </ResourceDictionary.ThemeDictionaries>
             <ResourceDictionary.MergedDictionaries>
                 <ResourceInclude Source="avares://Semi.Avalonia/Controls/_index.axaml" />

src/Semi.Avalonia/Themes/Light/Palette.axaml

@@ -1,4 +1,4 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary x:Class="Semi.Avalonia.Light.Palette" xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <!--  Color Resources  -->
     <Color x:Key="SemiRed0Color">#FEF2ED</Color>
     <Color x:Key="SemiRed1Color">#FEDDD2</Color>

src/Semi.Avalonia/Themes/Light/Palette.axaml.cs

@@ -0,0 +1,9 @@
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Semi.Avalonia.Light;
+
+public class Palette: ResourceDictionary
+{
+
+}

src/Semi.Avalonia/Themes/SemiTheme.axaml

@@ -2,8 +2,8 @@
     <Styles.Resources>
         <ResourceDictionary>
             <ResourceDictionary.ThemeDictionaries>
-                <MergeResourceInclude x:Key="Default" Source="avares://Semi.Avalonia/Themes/Light/_index.axaml" />
+                <ResourceInclude x:Key="Default" Source="avares://Semi.Avalonia/Themes/Light/_index.axaml" />
-                <MergeResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia/Themes/Dark/_index.axaml" />
+                <ResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia/Themes/Dark/_index.axaml" />
             </ResourceDictionary.ThemeDictionaries>
             <ResourceDictionary.MergedDictionaries>
                 <ResourceInclude Source="avares://Semi.Avalonia/Controls/_index.axaml" />

src/Semi.Avalonia/Themes/SemiTheme.axaml.cs

@@ -4,15 +4,16 @@ using System.Globalization;
 using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
 using Avalonia.Styling;
+using Semi.Avalonia.Locale;
 
 namespace Semi.Avalonia;
 
 public class SemiTheme: Styles
 {
-    private static readonly Dictionary<CultureInfo, string> _localeToResource = new()
+    private static readonly Dictionary<CultureInfo, ResourceDictionary> _localeToResource = new()
     {
-        { new CultureInfo("zh-CN"), "avares://Semi.Avalonia/Locale/zh-CN.axaml" },
+        { new CultureInfo("zh-cn"), new zh_cn() },
-        { new CultureInfo("en-US"), "avares://Semi.Avalonia/Locale/en-US.axaml" },
+        { new CultureInfo("en-us"), new en_us() },
     };
     
     private readonly IServiceProvider? sp;
@@ -30,26 +31,24 @@ public class SemiTheme: Styles
         { 
             _locale = value;
             var resource = TryGetLocaleResource(value);
-            var d = AvaloniaXamlLoader.Load(sp, new Uri(resource)) as ResourceDictionary;
+            if(resource is null) return;
-            if (d is null) return;
+            foreach (var kv in resource)
-            foreach (var kv in d)
             {
                 this.Resources.Add(kv);
             }
         }
     }
     
-    private static string TryGetLocaleResource(CultureInfo? locale)
+    private static ResourceDictionary? TryGetLocaleResource(CultureInfo? locale)
     {
         if (locale is null)
         {
-            return _localeToResource[new CultureInfo("zh-CN")];
+            return _localeToResource[new CultureInfo("zh-cn")];
         }
-
         if (_localeToResource.TryGetValue(locale, out var resource))
         {
             return resource;
         }
-        return _localeToResource[new CultureInfo("zh-CN")];
+        return _localeToResource[new CultureInfo("zh-cn")];
     }
 }