diff --git a/BootstrapBlazor.Extensions.slnx b/BootstrapBlazor.Extensions.slnx
index 20d0028d..61515384 100644
--- a/BootstrapBlazor.Extensions.slnx
+++ b/BootstrapBlazor.Extensions.slnx
@@ -50,7 +50,6 @@
     <Project Path="src/components/BootstrapBlazor.Mermaid/BootstrapBlazor.Mermaid.csproj" />
     <Project Path="src/components/BootstrapBlazor.MindMap/BootstrapBlazor.MindMap.csproj" />
     <Project Path="src/components/BootstrapBlazor.MouseFollower/BootstrapBlazor.MouseFollower.csproj" />
-    <Project Path="src/components/BootstrapBlazor.OCR/BootstrapBlazor.OCR.csproj" />
     <Project Path="src/components/BootstrapBlazor.OctIcon/BootstrapBlazor.OctIcon.csproj" />
     <Project Path="src/components/BootstrapBlazor.OfdReader/BootstrapBlazor.OfdReader.csproj" />
     <Project Path="src/components/BootstrapBlazor.OfficeViewer/BootstrapBlazor.OfficeViewer.csproj" />
diff --git a/src/Frameworks.props b/src/Frameworks.props
index c9c8e368..d11f0344 100644
--- a/src/Frameworks.props
+++ b/src/Frameworks.props
@@ -1,6 +1,10 @@
 <Project>
 
-  <PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '17.0'">
+    <TargetFrameworks>net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '18.0'">
     <TargetFrameworks>net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
   </PropertyGroup>
 
diff --git a/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj b/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
index 515ede6b..98f35d81 100644
--- a/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
+++ b/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
@@ -1,7 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
-  <PropertyGroup>
-    <Version>9.0.7</Version>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '17.0'">
+    <Version>9.0.8-beta01</Version>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '18.0'">
+    <Version>10.0.0-rc.2.1.0</Version>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -17,9 +21,12 @@
     <EmbeddedResource Include="Data\**\*.json" />
   </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="BootstrapBlazor" Version="9.11.0" />
-    <PackageReference Include="BootstrapBlazor.Pinyin" Version="9.0.0" />
+  <ItemGroup Condition="'$(VisualStudioVersion)' == '17.0'">
+    <PackageReference Include="BootstrapBlazor" Version="9.11.5-beta01" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(VisualStudioVersion)' == '18.0'">
+    <PackageReference Include="BootstrapBlazor" Version="10.0.0-rc.2.1.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs b/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
index 53f1ac6a..5ba16656 100644
--- a/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
+++ b/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
@@ -59,7 +59,7 @@ public partial class SelectCity
     private string? GetActiveClass(string item) => CssBuilder.Default()
         .AddClass("active", _values.Contains(item) && IsMultiple)
         .AddClass("active", CurrentValue == item && !IsMultiple)
-        .AddClass("prev", !string.IsNullOrEmpty(_searchText) && PinyinService.GetFirstLetters(item).StartsWith(_searchText))
+        .AddClass("prev", !string.IsNullOrEmpty(_searchText) && StartsWith(PinyinService.GetFirstLetters(item), _searchText))
         .Build();
 
     /// <summary>
@@ -168,7 +168,7 @@ private HashSet<string> GetProvinces()
             return Provinces;
         }
 
-        if (PinyinService.IsChinese(_searchText))
+        if (PinyinService.ContainsChinese(_searchText))
         {
             return [.. Provinces.Where(i => i.Contains(_searchText) || GetCities(i).Any(city => city.Contains(_searchText)))];
         }
@@ -177,7 +177,10 @@ private HashSet<string> GetProvinces()
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    private static bool FilterProvince(ProvinceItem item, string searchText) => item.PinYin.StartsWith(searchText) || item.Cities.Any(city => city.PinYin.StartsWith(searchText));
+    private static bool FilterProvince(ProvinceItem item, string searchText) => StartsWith(item.PinYin, searchText) || item.Cities.Any(city => StartsWith(city.PinYin, searchText));
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    private static bool StartsWith(HashSet<string> source, string searchText) => source.Any(i => i.StartsWith(searchText, StringComparison.OrdinalIgnoreCase));
 
     private static HashSet<ProvinceItem>? _provinceItems;
 
diff --git a/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.css b/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.css
index 6db486a9..0e2cefb8 100644
--- a/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.css
+++ b/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.css
@@ -86,10 +86,6 @@
     display: none;
 }
 
-.dropdown-menu-search .search-text {
-    text-transform: uppercase;
-}
-
 .dropdown-menu-search-body {
     flex: 1;
     height: 1%;
diff --git a/src/components/BootstrapBlazor.Region/Data/CityItem.cs b/src/components/BootstrapBlazor.Region/Data/CityItem.cs
index 38ba7491..3c3a988c 100644
--- a/src/components/BootstrapBlazor.Region/Data/CityItem.cs
+++ b/src/components/BootstrapBlazor.Region/Data/CityItem.cs
@@ -8,5 +8,5 @@ readonly record struct CityItem
 {
     public string Name { get; init; }
 
-    public string PinYin { get; init; }
+    public HashSet<string> PinYin { get; init; }
 }
diff --git a/src/components/BootstrapBlazor.Region/Data/ProvinceItem.cs b/src/components/BootstrapBlazor.Region/Data/ProvinceItem.cs
index 5170a2e8..5ff522b1 100644
--- a/src/components/BootstrapBlazor.Region/Data/ProvinceItem.cs
+++ b/src/components/BootstrapBlazor.Region/Data/ProvinceItem.cs
@@ -8,7 +8,7 @@ readonly record struct ProvinceItem
 {
     public string Name { get; init; }
 
-    public string PinYin { get; init; }
+    public HashSet<string> PinYin { get; init; }
 
     public HashSet<CityItem> Cities { get; init; }
 }
diff --git a/src/components/BootstrapBlazor.Region/Extensions/ServiceCollectionExtension.cs b/src/components/BootstrapBlazor.Region/Extensions/ServiceCollectionExtension.cs
index f6280698..0a6ee55c 100644
--- a/src/components/BootstrapBlazor.Region/Extensions/ServiceCollectionExtension.cs
+++ b/src/components/BootstrapBlazor.Region/Extensions/ServiceCollectionExtension.cs
@@ -19,7 +19,6 @@ public static class ServiceCollectionExtension
     public static IServiceCollection AddBootstrapBlazorRegionService(this IServiceCollection services)
     {
         services.AddSingleton<IRegionService, DefaultRegionService>();
-        services.AddPinyinService();
 
         return services;
     }