diff --git a/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj b/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
index bd9f0fc2..62cb6bb5 100644
--- a/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
+++ b/src/components/BootstrapBlazor.Region/BootstrapBlazor.Region.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>10.0.1</Version>
+    <Version>10.0.2</Version>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs b/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
index 9eac13fb..2a24fec9 100644
--- a/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
+++ b/src/components/BootstrapBlazor.Region/Components/SelectCity.razor.cs
@@ -7,31 +7,35 @@
 namespace BootstrapBlazor.Components;
 
 /// <summary>
-/// SelectCity 组件
+/// <para lang="zh">SelectCity 组件</para>
+/// <para lang="en">SelectCity component</para>
 /// </summary>
 public partial class SelectCity
 {
     /// <summary>
-    /// 获得/设置 是否可多选 默认 false 单选
+    /// <para lang="zh">获得/设置 是否可多选，默认 false 单选</para>
+    /// <para lang="en">Gets or sets whether multiple selection is enabled. Default is false (single selection)</para>
     /// </summary>
     [Parameter]
     public bool IsMultiple { get; set; }
 
     /// <summary>
-    /// 获得/设置 是否开启搜索功能 默认 true 开启
+    /// <para lang="zh">获得/设置 是否开启搜索功能，默认 true 开启</para>
+    /// <para lang="en">Gets or sets whether search is enabled. Default is true</para>
     /// </summary>
     [Parameter]
     public bool ShowSearch { get; set; } = true;
 
     /// <summary>
-    /// Gets or sets the search icon.
+    /// <para lang="zh">获得/设置 搜索图标</para>
+    /// <para lang="en">Gets or sets the search icon</para>
     /// </summary>
     [Parameter]
     public string? SearchIcon { get; set; }
 
     /// <summary>
-    /// 获得/设置 单选时选择后是否自动关闭 默认 true
-    /// <para><see cref="IsMultiple"/> 值为 true 时，这个参数不生效</para>
+    /// <para lang="zh">获得/设置 单选时选择后是否自动关闭，默认 true <see cref="IsMultiple"/> 值为 true 时，这个参数不生效</para>
+    /// <para lang="en">Gets or sets whether to automatically close after selection when single selection is enabled. Default is true. This parameter does not take effect when <see cref="IsMultiple"/> is true</para>
     /// </summary>
     [Parameter]
     public bool AutoClose { get; set; } = true;
@@ -87,7 +91,6 @@ protected override void OnParametersSet()
     /// <inheritdoc/>
     /// </summary>
     /// <param name="firstRender"></param>
-    /// <returns></returns>
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
         await base.OnAfterRenderAsync(firstRender);
@@ -107,17 +110,16 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
     /// <summary>
     /// <inheritdoc/>
     /// </summary>
-    /// <returns></returns>
     protected override Task InvokeInitAsync() => InvokeVoidAsync("init", Id, Interop, new
     {
         TriggerSearch = nameof(TriggerSearch)
     });
 
     /// <summary>
-    /// 触发过滤方法 由 JavaScript 触发
+    /// <para lang="zh">触发过滤方法，由 JavaScript 触发</para>
+    /// <para lang="en">Trigger filter method, invoked by JavaScript</para>
     /// </summary>
     /// <param name="v"></param>
-    /// <returns></returns>
     [JSInvokable]
     public void TriggerSearch(string v)
     {
diff --git a/src/components/BootstrapBlazor.Region/Components/SelectProvince.razor.cs b/src/components/BootstrapBlazor.Region/Components/SelectProvince.razor.cs
index e7b075bd..3c7f968c 100644
--- a/src/components/BootstrapBlazor.Region/Components/SelectProvince.razor.cs
+++ b/src/components/BootstrapBlazor.Region/Components/SelectProvince.razor.cs
@@ -1,16 +1,18 @@
-// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 namespace BootstrapBlazor.Components;
 
 /// <summary>
-/// SelectProvince 组件
+/// <para lang="zh">SelectProvince 组件</para>
+/// <para lang="en">SelectProvince component</para>
 /// </summary>
 public partial class SelectProvince
 {
     /// <summary>
-    /// 获得/设置 是否可多选 默认 false 单选
+    /// <para lang="zh">获得/设置 是否可多选，默认 false 单选</para>
+    /// <para lang="en">Gets or sets whether multiple selection is enabled. Default is false (single selection)</para>
     /// </summary>
     [Parameter]
     public bool IsMultiple { get; set; }
diff --git a/src/components/BootstrapBlazor.Region/Components/SelectRegion.razor.cs b/src/components/BootstrapBlazor.Region/Components/SelectRegion.razor.cs
index d7fd97d3..fc121d9b 100644
--- a/src/components/BootstrapBlazor.Region/Components/SelectRegion.razor.cs
+++ b/src/components/BootstrapBlazor.Region/Components/SelectRegion.razor.cs
@@ -1,11 +1,12 @@
-// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 namespace BootstrapBlazor.Components;
 
 /// <summary>
-/// SelectRegion 组件
+/// <para lang="zh">SelectRegion 组件</para>
+/// <para lang="en">SelectRegion component</para>
 /// </summary>
 public partial class SelectRegion
 {
diff --git a/src/components/BootstrapBlazor.Region/Components/SelectRegionBase.cs b/src/components/BootstrapBlazor.Region/Components/SelectRegionBase.cs
index c2a05f92..dda5c13e 100644
--- a/src/components/BootstrapBlazor.Region/Components/SelectRegionBase.cs
+++ b/src/components/BootstrapBlazor.Region/Components/SelectRegionBase.cs
@@ -1,62 +1,71 @@
-// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 namespace BootstrapBlazor.Components;
 
 /// <summary>
-/// SelectRegion 组件基类
+/// <para lang="zh">SelectRegion 组件基类</para>
+/// <para lang="en">SelectRegion component base class</para>
 /// </summary>
 public abstract class SelectRegionBase : PopoverSelectBase<string>
 {
     /// <summary>
-    /// Gets or sets the placeholder text.
+    /// <para lang="zh">获得/设置 占位符文本</para>
+    /// <para lang="en">Gets or sets the placeholder text</para>
     /// </summary>
     [Parameter]
     public string? PlaceHolder { get; set; }
 
     /// <summary>
-    /// Gets or sets the color. The default is <see cref="Color.None"/> (no color).
+    /// <para lang="zh">获得/设置 颜色，默认为 <see cref="Color.None"/>（无颜色）</para>
+    /// <para lang="en">Gets or sets the color. The default is <see cref="Color.None"/> (no color)</para>
     /// </summary>
     [Parameter]
     public Color Color { get; set; }
 
     /// <summary>
-    /// Gets or sets the dropdown icon. The default is "fa-solid fa-angle-up".
+    /// <para lang="zh">获得/设置 下拉图标，默认为 fa-solid fa-angle-up</para>
+    /// <para lang="en">Gets or sets the dropdown icon. The default is "fa-solid fa-angle-up"</para>
     /// </summary>
     [Parameter]
     [NotNull]
     public string? DropdownIcon { get; set; }
 
     /// <summary>
-    /// Gets or sets the callback method when the clear button is clicked. Default is null.
+    /// <para lang="zh">获得/设置 点击清空按钮时的回调方法，默认为 null</para>
+    /// <para lang="en">Gets or sets the callback method when the clear button is clicked. Default is null</para>
     /// </summary>
     [Parameter]
     public Func<Task>? OnClearAsync { get; set; }
 
     /// <summary>
-    /// Gets or sets the right-side clear icon. Default is fa-solid fa-angle-up.
+    /// <para lang="zh">获得/设置 右侧清空图标，默认为 fa-solid fa-angle-up</para>
+    /// <para lang="en">Gets or sets the right-side clear icon. Default is fa-solid fa-angle-up</para>
     /// </summary>
     [Parameter]
     [NotNull]
     public string? ClearIcon { get; set; }
 
     /// <summary>
-    /// Gets or sets the <see cref="IIconTheme"/> service instance.
+    /// <para lang="zh">获得/设置 <see cref="IIconTheme"/> 服务实例</para>
+    /// <para lang="en">Gets or sets the <see cref="IIconTheme"/> service instance</para>
     /// </summary>
     [Inject]
     [NotNull]
     protected IIconTheme? IconTheme { get; set; }
 
     /// <summary>
-    /// <see cref="IRegionService"/> service instance
+    /// <para lang="zh">获得/设置 <see cref="IRegionService"/> 服务实例</para>
+    /// <para lang="en">Gets or sets the <see cref="IRegionService"/> service instance</para>
     /// </summary>
     [Inject]
     [NotNull]
     protected IRegionService? RegionService { get; set; }
 
     /// <summary>
-    /// 文本框样式
+    /// <para lang="zh">获得 文本框样式</para>
+    /// <para lang="en">Gets the input box style</para>
     /// </summary>
     protected string? InputClassString => CssBuilder.Default("form-select form-control")
         .AddClass($"border-{Color.ToDescriptionString()}", Color != Color.None && !IsDisabled && !IsValid.HasValue)
@@ -66,7 +75,8 @@ public abstract class SelectRegionBase : PopoverSelectBase<string>
         .Build();
 
     /// <summary>
-    /// 下拉框按钮样式
+    /// <para lang="zh">获得 下拉框按钮样式</para>
+    /// <para lang="en">Gets the dropdown button style</para>
     /// </summary>
     protected string? AppendClassString => CssBuilder.Default("form-select-append")
         .AddClass($"text-{Color.ToDescriptionString()}", Color != Color.None && !IsDisabled && !IsValid.HasValue)
@@ -75,7 +85,8 @@ public abstract class SelectRegionBase : PopoverSelectBase<string>
         .Build();
 
     /// <summary>
-    /// 清空按钮样式
+    /// <para lang="zh">获得 清空按钮样式</para>
+    /// <para lang="en">Gets the clear button style</para>
     /// </summary>
     protected string? ClearClassString => CssBuilder.Default("clear-icon")
         .AddClass($"text-{Color.ToDescriptionString()}", Color != Color.None)
@@ -84,7 +95,8 @@ public abstract class SelectRegionBase : PopoverSelectBase<string>
         .Build();
 
     /// <summary>
-    /// 获得 选择框组件 Id
+    /// <para lang="zh">获得 选择框组件 Id</para>
+    /// <para lang="en">Gets the select component Id</para>
     /// </summary>
     protected string InputId => $"{Id}_input";
 
diff --git a/src/components/BootstrapBlazor.Region/Data/CityItem.cs b/src/components/BootstrapBlazor.Region/Data/CityItem.cs
index 3c3a988c..259fedf9 100644
--- a/src/components/BootstrapBlazor.Region/Data/CityItem.cs
+++ b/src/components/BootstrapBlazor.Region/Data/CityItem.cs
@@ -1,12 +1,24 @@
-// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 namespace BootstrapBlazor.Components;
 
+/// <summary>
+/// <para lang="zh">城市项</para>
+/// <para lang="en">City item</para>
+/// </summary>
 readonly record struct CityItem
 {
+    /// <summary>
+    /// <para lang="zh">获得 名称</para>
+    /// <para lang="en">Gets the name</para>
+    /// </summary>
     public string Name { get; init; }
 
+    /// <summary>
+    /// <para lang="zh">获得 拼音集合</para>
+    /// <para lang="en">Gets the pinyin collection</para>
+    /// </summary>
     public HashSet<string> PinYin { get; init; }
 }
diff --git a/src/components/BootstrapBlazor.Region/Data/CountyItem.cs b/src/components/BootstrapBlazor.Region/Data/CountyItem.cs
index ec498487..132718d5 100644
--- a/src/components/BootstrapBlazor.Region/Data/CountyItem.cs
+++ b/src/components/BootstrapBlazor.Region/Data/CountyItem.cs
@@ -1,21 +1,24 @@
-// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 namespace BootstrapBlazor.Components;
 
 /// <summary>
-/// Region 类
+/// <para lang="zh">区县项</para>
+/// <para lang="en">County item</para>
 /// </summary>
 public readonly record struct CountyItem
 {
     /// <summary>
-    /// 城市编码
+    /// <para lang="zh">获得 城市编码</para>
+    /// <para lang="en">Gets the city code</para>
     /// </summary>
     public string Code { get; init; }
 
     /// <summary>
-    /// 城市名称
+    /// <para lang="zh">获得 城市名称</para>
+    /// <para lang="en">Gets the city name</para>
     /// </summary>
     public string Name { get; init; }
 }
diff --git a/src/components/BootstrapBlazor.Region/Data/ProvinceItem.cs b/src/components/BootstrapBlazor.Region/Data/ProvinceItem.cs
index 5ff522b1..0a214f4a 100644
--- a/src/components/BootstrapBlazor.Region/Data/ProvinceItem.cs
+++ b/src/components/BootstrapBlazor.Region/Data/ProvinceItem.cs
@@ -1,14 +1,30 @@
-// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 namespace BootstrapBlazor.Components;
 
+/// <summary>
+/// <para lang="zh">省份项</para>
+/// <para lang="en">Province item</para>
+/// </summary>
 readonly record struct ProvinceItem
 {
+    /// <summary>
+    /// <para lang="zh">获得 名称</para>
+    /// <para lang="en">Gets the name</para>
+    /// </summary>
     public string Name { get; init; }
 
+    /// <summary>
+    /// <para lang="zh">获得 拼音集合</para>
+    /// <para lang="en">Gets the pinyin collection</para>
+    /// </summary>
     public HashSet<string> PinYin { get; init; }
 
+    /// <summary>
+    /// <para lang="zh">获得 城市集合</para>
+    /// <para lang="en">Gets the cities collection</para>
+    /// </summary>
     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 0a6ee55c..86664832 100644
--- a/src/components/BootstrapBlazor.Region/Extensions/ServiceCollectionExtension.cs
+++ b/src/components/BootstrapBlazor.Region/Extensions/ServiceCollectionExtension.cs
@@ -1,4 +1,4 @@
-// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
@@ -7,15 +7,16 @@
 namespace BootstrapBlazor.Components;
 
 /// <summary>
-/// BootstrapBlazor service extensions
+/// <para lang="zh">BootstrapBlazor 服务扩展</para>
+/// <para lang="en">BootstrapBlazor service extensions</para>
 /// </summary>
 public static class ServiceCollectionExtension
 {
     /// <summary>
-    /// Inject <see cref="IRegionService"/> service extension method.
+    /// <para lang="zh">注入 <see cref="IRegionService"/> 服务扩展方法</para>
+    /// <para lang="en">Injects <see cref="IRegionService"/> service extension method</para>
     /// </summary>
     /// <param name="services"></param>
-    /// <returns></returns>
     public static IServiceCollection AddBootstrapBlazorRegionService(this IServiceCollection services)
     {
         services.AddSingleton<IRegionService, DefaultRegionService>();
diff --git a/src/components/BootstrapBlazor.Region/Services/IRegionService.cs b/src/components/BootstrapBlazor.Region/Services/IRegionService.cs
index 52fdae58..320ef449 100644
--- a/src/components/BootstrapBlazor.Region/Services/IRegionService.cs
+++ b/src/components/BootstrapBlazor.Region/Services/IRegionService.cs
@@ -1,38 +1,39 @@
-// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
+// Copyright (c) BootstrapBlazor & Argo Zhang (argo@live.ca). All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 namespace BootstrapBlazor.Components;
 
 /// <summary>
-/// IRegion 获得行政区域数据接口
+/// <para lang="zh">获得行政区域数据接口</para>
+/// <para lang="en">Region data service interface</para>
 /// </summary>
 public interface IRegionService
 {
     /// <summary>
-    /// 获得所有省份数据
+    /// <para lang="zh">获得所有省份数据</para>
+    /// <para lang="en">Gets all province data</para>
     /// </summary>
-    /// <returns></returns>
     HashSet<string> GetProvinces();
 
     /// <summary>
-    /// 获得指定省份的城市数据
+    /// <para lang="zh">获得指定省份的城市数据</para>
+    /// <para lang="en">Gets cities for the specified province</para>
     /// </summary>
     /// <param name="province"></param>
-    /// <returns></returns>
     HashSet<string> GetCities(string province);
 
     /// <summary>
-    /// 获得指定城市的区县数据
+    /// <para lang="zh">获得指定城市的区县数据</para>
+    /// <para lang="en">Gets counties for the specified city</para>
     /// </summary>
     /// <param name="city"></param>
-    /// <returns></returns>
     HashSet<CountyItem> GetCounties(string city);
 
     /// <summary>
-    /// 获得指定区县的街道地址数据
+    /// <para lang="zh">获得指定区县的街道地址数据</para>
+    /// <para lang="en">Gets detail addresses for the specified county</para>
     /// </summary>
     /// <param name="countyCode"></param>
-    /// <returns></returns>
     HashSet<string> GetDetails(string countyCode);
 }