diff --git a/src/extensions/BootstrapBlazor.OpcDa/BootstrapBlazor.OpcDa.csproj b/src/extensions/BootstrapBlazor.OpcDa/BootstrapBlazor.OpcDa.csproj
index a87ad04d..c930a51f 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/BootstrapBlazor.OpcDa.csproj
+++ b/src/extensions/BootstrapBlazor.OpcDa/BootstrapBlazor.OpcDa.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <Version>10.0.1</Version>
+    <Version>10.0.2</Version>
     <RootNamespace>BootstrapBlazor.OpcDa</RootNamespace>
   </PropertyGroup>
 
diff --git a/src/extensions/BootstrapBlazor.OpcDa/Extensions/Extensions.cs b/src/extensions/BootstrapBlazor.OpcDa/Extensions/Extensions.cs
index dc3a91da..c7d5e4c9 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/Extensions/Extensions.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/Extensions/Extensions.cs
@@ -7,7 +7,8 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// 扩展方法类
+/// <para lang="zh">扩展方法类</para>
+/// <para lang="en">Extension methods</para>
 /// </summary>
 internal static class Extensions
 {
diff --git a/src/extensions/BootstrapBlazor.OpcDa/Extensions/ServiceCollectionExtensions.cs b/src/extensions/BootstrapBlazor.OpcDa/Extensions/ServiceCollectionExtensions.cs
index 6c04f1ee..951f6d6f 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/Extensions/ServiceCollectionExtensions.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/Extensions/ServiceCollectionExtensions.cs
@@ -3,24 +3,44 @@
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 using BootstrapBlazor.OpcDa;
+using Microsoft.Extensions.DependencyInjection.Extensions;
 using System.Runtime.Versioning;
 
 namespace Microsoft.Extensions.DependencyInjection;
 
 /// <summary>
-/// OpcDaServer 服务扩展类
+/// <para lang="zh">OpcDaClient 服务扩展类</para>
+/// <para lang="en">OpcDaClient service extension class</para>
 /// </summary>
 public static class ServiceCollectionExtensions
 {
     /// <summary>
-    /// 增加 OpcDaServer 操作服务
+    /// <para lang="zh">增加 OpcDaClient 操作服务</para>
+    /// <para lang="en">Adds the OpcDa client service</para>
     /// </summary>
     /// <param name="services"></param>
     /// <returns></returns>
     [SupportedOSPlatform("windows")]
+    public static IServiceCollection AddOpcDaClient(this IServiceCollection services)
+    {
+        services.TryAddSingleton<OpcDaClient>();
+        services.TryAddSingleton<IOpcDaClient>(provider => provider.GetRequiredService<OpcDaClient>());
+        return services;
+    }
+
+    /// <summary>
+    /// <para lang="zh">增加 OpcDaClient 操作服务</para>
+    /// <para lang="en">Adds the OpcDa client service</para>
+    /// </summary>
+    /// <param name="services"></param>
+    /// <returns></returns>
+    [Obsolete("Use AddOpcDaClient instead.")]
+    [SupportedOSPlatform("windows")]
     public static IServiceCollection AddOpcDaServer(this IServiceCollection services)
     {
-        services.AddSingleton<IOpcDaServer, OpcDaServer>();
+        services.TryAddSingleton<OpcDaServer>();
+        services.TryAddSingleton<IOpcDaClient>(provider => provider.GetRequiredService<OpcDaServer>());
+        services.TryAddSingleton<IOpcDaServer>(provider => provider.GetRequiredService<OpcDaServer>());
         return services;
     }
 }
diff --git a/src/extensions/BootstrapBlazor.OpcDa/IOpcDaClient.cs b/src/extensions/BootstrapBlazor.OpcDa/IOpcDaClient.cs
new file mode 100644
index 00000000..00bb2505
--- /dev/null
+++ b/src/extensions/BootstrapBlazor.OpcDa/IOpcDaClient.cs
@@ -0,0 +1,89 @@
+// Copyright (c) Argo Zhang (argo@163.com). 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.OpcDa;
+
+/// <summary>
+/// <para lang="zh">OpcDa 客户端接口</para>
+/// <para lang="en">OpcDa client interface</para>
+/// </summary>
+public interface IOpcDaClient : IDisposable
+{
+    /// <summary>
+    /// <para lang="zh">获得 OPC Server 是否已连接</para>
+    /// <para lang="en">Gets whether the client is connected to the OPC Server</para>
+    /// </summary>
+    bool IsConnected { get; }
+
+    /// <summary>
+    /// <para lang="zh">获得 OPC Server 名称</para>
+    /// <para lang="en">Gets the OPC Server name</para>
+    /// </summary>
+    string? ServerName { get; }
+
+    /// <summary>
+    /// <para lang="zh">连接到 OPC Server</para>
+    /// <para lang="en">Connects to an OPC Server</para>
+    /// </summary>
+    /// <param name="serverName"></param>
+    /// <returns></returns>
+    bool Connect(string serverName);
+
+    /// <summary>
+    /// <para lang="zh">断开当前连接</para>
+    /// <para lang="en">Disconnects the current connection</para>
+    /// </summary>
+    void Disconnect();
+
+    /// <summary>
+    /// <para lang="zh">取消订阅</para>
+    /// <para lang="en">Cancels a subscription</para>
+    /// </summary>
+    /// <param name="subscription"></param>
+    void CancelSubscription(IOpcSubscription subscription);
+
+    /// <summary>
+    /// <para lang="zh">创建订阅</para>
+    /// <para lang="en">Creates a subscription</para>
+    /// </summary>
+    /// <param name="name">订阅名称</param>
+    /// <param name="updateRate">更新频率 默认 1000 毫秒</param>
+    /// <param name="active">是否激活 默认 true</param>
+    /// <returns></returns>
+    IOpcSubscription CreateSubscription(string name, int updateRate = 1000, bool active = true);
+
+    /// <summary>
+    /// <para lang="zh">读取 Item 值</para>
+    /// <para lang="en">Reads item values</para>
+    /// </summary>
+    /// <param name="items"></param>
+    /// <returns></returns>
+    HashSet<OpcReadItem> Read(params HashSet<string> items);
+
+    /// <summary>
+    /// <para lang="zh">写入 Item 值</para>
+    /// <para lang="en">Writes item values</para>
+    /// </summary>
+    /// <param name="items"></param>
+    /// <returns></returns>
+    HashSet<OpcWriteItem> Write(params HashSet<OpcWriteItem> items);
+
+    /// <summary>
+    /// <para lang="zh">浏览 OPC Server 中的位号（即数据项或者标签）</para>
+    /// <para lang="en">Browses tags in the OPC Server</para>
+    /// </summary>
+    /// <param name="name"></param>
+    /// <param name="filters"></param>
+    /// <param name="position"></param>
+    /// <returns></returns>
+    OpcBrowseElement[] Browse(string name, OpcBrowseFilters filters, out OpcBrowsePosition? position);
+
+    /// <summary>
+    /// <para lang="zh">继续浏览 OPC Server 中的位号（即数据项或者标签）</para>
+    /// <para lang="en">Continues browsing tags in the OPC Server</para>
+    /// </summary>
+    /// <param name="position"></param>
+    /// <returns></returns>
+    OpcBrowseElement[] BrowseNext(OpcBrowsePosition position);
+}
diff --git a/src/extensions/BootstrapBlazor.OpcDa/IOpcDaServer.cs b/src/extensions/BootstrapBlazor.OpcDa/IOpcDaServer.cs
index 9f63920e..4224f7da 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/IOpcDaServer.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/IOpcDaServer.cs
@@ -5,74 +5,10 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// OpcDaServer 接口定义
+/// <para lang="zh">OpcDaServer 兼容接口</para>
+/// <para lang="en">Compatibility interface for OpcDaServer</para>
 /// </summary>
-public interface IOpcDaServer : IDisposable
+[Obsolete("Use IOpcDaClient instead.")]
+public interface IOpcDaServer : IOpcDaClient
 {
-    /// <summary>
-    /// 获得 OPC Server 是否已连接
-    /// </summary>
-    bool IsConnected { get; }
-
-    /// <summary>
-    /// 获得 OPC Server 名称
-    /// </summary>
-    string? ServerName { get; }
-
-    /// <summary>
-    /// 连接到 OPC Server 方法
-    /// </summary>
-    /// <param name="serverName"></param>
-    /// <returns></returns>
-    bool Connect(string serverName);
-
-    /// <summary>
-    /// 断开连接方法
-    /// </summary>
-    void Disconnect();
-
-    /// <summary>
-    /// 取消订阅方法
-    /// </summary>
-    /// <param name="subscription"></param>
-    void CancelSubscription(IOpcSubscription subscription);
-
-    /// <summary>
-    /// 创建订阅方法
-    /// </summary>
-    /// <param name="name">订阅名称</param>
-    /// <param name="updateRate">更新频率 默认 1000 毫秒</param>
-    /// <param name="active">是否激活 默认 true</param>
-    /// <returns></returns>
-    IOpcSubscription CreateSubscription(string name, int updateRate = 1000, bool active = true);
-
-    /// <summary>
-    /// 读取 Item 值方法
-    /// </summary>
-    /// <param name="items"></param>
-    /// <returns></returns>
-    HashSet<OpcReadItem> Read(params HashSet<string> items);
-
-    /// <summary>
-    /// 读取 Item 值方法
-    /// </summary>
-    /// <param name="items"></param>
-    /// <returns></returns>
-    HashSet<OpcWriteItem> Write(params HashSet<OpcWriteItem> items);
-
-    /// <summary>
-    /// 浏览 OPC Server 中的位号 (即数据项或者标签)
-    /// </summary>
-    /// <param name="name"></param>
-    /// <param name="filters"></param>
-    /// <param name="position"></param>
-    /// <returns></returns>
-    OpcBrowseElement[] Browse(string name, OpcBrowseFilters filters, out OpcBrowsePosition? position);
-
-    /// <summary>
-    /// 浏览 OPC Server 中的位号 (即数据项或者标签)
-    /// </summary>
-    /// <param name="position"></param>
-    /// <returns></returns>
-    OpcBrowseElement[] BrowseNext(OpcBrowsePosition position);
 }
diff --git a/src/extensions/BootstrapBlazor.OpcDa/IOpcItem.cs b/src/extensions/BootstrapBlazor.OpcDa/IOpcItem.cs
index d39a8df7..c5a1ada2 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/IOpcItem.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/IOpcItem.cs
@@ -5,12 +5,14 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// 
+/// <para lang="zh">OpcDa 数据项接口</para>
+/// <para lang="en">OpcDa item interface</para>
 /// </summary>
 public interface IOpcItem
 {
     /// <summary>
-    /// 
+    /// <para lang="zh">获得 数据项名称</para>
+    /// <para lang="en">Gets the item name</para>
     /// </summary>
     string Name { get; }
 }
diff --git a/src/extensions/BootstrapBlazor.OpcDa/IOpcSubscription.cs b/src/extensions/BootstrapBlazor.OpcDa/IOpcSubscription.cs
index 991bbb2e..02f0f34b 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/IOpcSubscription.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/IOpcSubscription.cs
@@ -5,27 +5,32 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// 订阅接口定义
+/// <para lang="zh">OpcDa 订阅接口</para>
+/// <para lang="en">OpcDa subscription interface</para>
 /// </summary>
 public interface IOpcSubscription
 {
     /// <summary>
-    /// 获得 订阅名称
+    /// <para lang="zh">获得 订阅名称</para>
+    /// <para lang="en">Gets the subscription name</para>
     /// </summary>
     public string Name { get; }
 
     /// <summary>
-    /// 获得/设置 是否保留最后一个值
+    /// <para lang="zh">获得/设置 是否保留最后一个值</para>
+    /// <para lang="en">Gets or sets whether to retain the previous value</para>
     /// </summary>
     public bool KeepLastValue { get; set; }
 
     /// <summary>
-    /// 获得/设置 数据变更回调
+    /// <para lang="zh">获得/设置 数据变更回调</para>
+    /// <para lang="en">Gets or sets the data change callback</para>
     /// </summary>
     Action<List<OpcReadItem>>? DataChanged { get; set; }
 
     /// <summary>
-    /// 增加数据项
+    /// <para lang="zh">增加数据项</para>
+    /// <para lang="en">Adds monitored items</para>
     /// </summary>
     /// <param name="items"></param>
     void AddItems(IEnumerable<string> items);
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseElement.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseElement.cs
index a0ba41e9..ffa6a43c 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseElement.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseElement.cs
@@ -7,32 +7,38 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// 对 OpcDataServer BrowseElement 的封装类
+/// <para lang="zh">OpcDataServer BrowseElement 封装类</para>
+/// <para lang="en">Wrapper for OpcDataServer BrowseElement</para>
 /// </summary>
 public class OpcBrowseElement
 {
     /// <summary>
-    /// 获得/设置 节点名称
+    /// <para lang="zh">获得/设置 节点名称</para>
+    /// <para lang="en">Gets or sets the node name</para>
     /// </summary>
     public string Name { get; set; }
 
     /// <summary>
-    /// 获得/设置 Item 名称
+    /// <para lang="zh">获得/设置 Item 名称</para>
+    /// <para lang="en">Gets or sets the item name</para>
     /// </summary>
     public string ItemName { get; set; }
 
     /// <summary>
-    /// 获得/设置 是否是数据项
+    /// <para lang="zh">获得/设置 是否是数据项</para>
+    /// <para lang="en">Gets or sets whether the node is an item</para>
     /// </summary>
     public bool IsItem { get; set; }
 
     /// <summary>
-    /// 获得/设置 是否有子节点
+    /// <para lang="zh">获得/设置 是否有子节点</para>
+    /// <para lang="en">Gets or sets whether the node has children</para>
     /// </summary>
     public bool HasChildren { get; set; }
 
     /// <summary>
-    /// 构造函数
+    /// <para lang="zh">创建 OpcBrowseElement 实例</para>
+    /// <para lang="en">Creates an OpcBrowseElement instance</para>
     /// </summary>
     public OpcBrowseElement()
     {
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseFilterType.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseFilterType.cs
index 537c6246..5aad745c 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseFilterType.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseFilterType.cs
@@ -5,22 +5,26 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// OpcDa 浏览过滤器类型枚举
+/// <para lang="zh">OpcDa 浏览过滤器类型枚举</para>
+/// <para lang="en">OpcDa browse filter type</para>
 /// </summary>
 public enum OpcBrowseFilterType
 {
     /// <summary>
-    /// 全部
+    /// <para lang="zh">全部</para>
+    /// <para lang="en">All nodes</para>
     /// </summary>
     All,
 
     /// <summary>
-    /// 分支
+    /// <para lang="zh">分支</para>
+    /// <para lang="en">Branches</para>
     /// </summary>
     Branch,
 
     /// <summary>
-    /// 数据项
+    /// <para lang="zh">数据项</para>
+    /// <para lang="en">Items</para>
     /// </summary>
     Item
 }
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseFilters.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseFilters.cs
index 0b7f208f..9d43c149 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseFilters.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcBrowseFilters.cs
@@ -5,32 +5,38 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// 对 OpcDataServer BrowseFilters 的封装类
+/// <para lang="zh">OpcDataServer BrowseFilters 封装类</para>
+/// <para lang="en">Wrapper for OpcDataServer BrowseFilters</para>
 /// </summary>
 public class OpcBrowseFilters
 {
     /// <summary>
-    /// 获得/设置 最大返回节点数量
+    /// <para lang="zh">获得/设置 最大返回节点数量</para>
+    /// <para lang="en">Gets or sets the maximum number of returned nodes</para>
     /// </summary>
     public int MaxElementsReturned { get; set; }
 
     /// <summary>
-    /// 获得/设置 元素名称过滤器
+    /// <para lang="zh">获得/设置 元素名称过滤器</para>
+    /// <para lang="en">Gets or sets the element name filter</para>
     /// </summary>
     public string? ElementNameFilter { get; set; }
 
     /// <summary>
-    /// 获得/设置 是否返回所有属性
+    /// <para lang="zh">获得/设置 是否返回所有属性</para>
+    /// <para lang="en">Gets or sets whether all properties are returned</para>
     /// </summary>
     public bool ReturnAllProperties { get; set; }
 
     /// <summary>
-    /// 获得/设置 是否返回属性值
+    /// <para lang="zh">获得/设置 是否返回属性值</para>
+    /// <para lang="en">Gets or sets whether property values are returned</para>
     /// </summary>
     public bool ReturnPropertyValues { get; set; }
 
     /// <summary>
-    /// 获得/设置 浏览过滤器类型
+    /// <para lang="zh">获得/设置 浏览过滤器类型</para>
+    /// <para lang="en">Gets or sets the browse filter type</para>
     /// </summary>
     public OpcBrowseFilterType BrowseFilter { get; set; }
 }
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcBrowsePosition.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcBrowsePosition.cs
index 371df64f..b5b68a1e 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/OpcBrowsePosition.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcBrowsePosition.cs
@@ -5,7 +5,8 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// 对 OpcDataServer BrowsePosition 的封装类
+/// <para lang="zh">OpcDataServer BrowsePosition 封装类</para>
+/// <para lang="en">Wrapper for OpcDataServer BrowsePosition</para>
 /// </summary>
 public class OpcBrowsePosition
 {
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcDaClient.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcDaClient.cs
new file mode 100644
index 00000000..ef6f049d
--- /dev/null
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcDaClient.cs
@@ -0,0 +1,148 @@
+// Copyright (c) Argo Zhang (argo@163.com). 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/
+
+using Opc;
+using Opc.Da;
+using System.Runtime.Versioning;
+
+namespace BootstrapBlazor.OpcDa;
+
+/// <summary>
+/// <para lang="zh">OpcDa 客户端实现</para>
+/// <para lang="en">OpcDa client implementation</para>
+/// </summary>
+[SupportedOSPlatform("windows")]
+class OpcDaClient : IOpcDaClient
+{
+    private Opc.Da.Server? _server = null;
+
+    /// <inheritdoc/>
+    public string? ServerName { get; private set; }
+
+    /// <inheritdoc/>
+    public bool IsConnected => _server?.IsConnected ?? false;
+
+    private readonly Dictionary<string, ISubscription> _subscriptions = [];
+
+    /// <inheritdoc/>
+    /// <remarks>opcda://localhost/Kepware.KEPServerEX.V6</remarks>
+    public bool Connect(string serverName)
+    {
+        ServerName = serverName;
+
+        // 如果已经连接则先断开
+        Disconnect();
+
+        _server = new Opc.Da.Server(new OpcCom.Factory(), new URL(serverName));
+        _server.Connect();
+        return IsConnected;
+    }
+
+    /// <inheritdoc/>
+    public void Disconnect()
+    {
+        ServerName = string.Empty;
+
+        if (_server is { IsConnected: true })
+        {
+            foreach (Subscription sub in _server.Subscriptions)
+            {
+                _server.CancelSubscription(sub);
+            }
+
+            _server.Disconnect();
+            _server = null;
+        }
+    }
+
+    /// <inheritdoc/>
+    public IOpcSubscription CreateSubscription(string name, int updateRate = 1000, bool active = true)
+    {
+        var server = GetOpcServer();
+        if (_subscriptions.TryGetValue(name, out var subscription))
+        {
+            // 已经存在该订阅
+            server.CancelSubscription(subscription);
+        }
+
+        subscription = server.CreateSubscription(name, updateRate, active);
+        _subscriptions.Add(name, subscription);
+        return subscription.ToOpcSubscription();
+    }
+
+    /// <inheritdoc/>
+    public void CancelSubscription(IOpcSubscription subscription)
+    {
+        var server = GetOpcServer();
+        var name = subscription.Name;
+        if (_subscriptions.Remove(name, out var sub))
+        {
+            server.CancelSubscription(sub);
+        }
+    }
+
+    /// <inheritdoc/>
+    public HashSet<OpcReadItem> Read(params HashSet<string> items)
+    {
+        var server = GetOpcServer();
+        var results = server.Read([.. items.Select(i => new Item() { ItemName = i })]);
+        return results.Select(i => new OpcReadItem(i.ItemName, i.Quality.ToQuality(), i.Timestamp, i.Value)).ToHashSet(OpcItemEqualityComparer<OpcReadItem>.Default);
+    }
+
+    /// <inheritdoc/>
+    public HashSet<OpcWriteItem> Write(params HashSet<OpcWriteItem> items)
+    {
+        var server = GetOpcServer();
+        var results = server.Write([.. items.Select(i => new ItemValue() { ItemName = i.Name, Value = i.Value })]);
+
+        return items.Select(i =>
+        {
+            var item = results.FirstOrDefault(v => v.ItemName == i.Name);
+            return i with { Result = item != null && item.ResultID == ResultID.S_OK };
+        }).ToHashSet(OpcItemEqualityComparer<OpcWriteItem>.Default);
+    }
+
+    private Opc.Da.Server GetOpcServer()
+    {
+        if (_server is not { IsConnected: true })
+        {
+            throw new InvalidOperationException("OPC Server is not connected.");
+        }
+
+        return _server;
+    }
+
+    /// <inheritdoc/>
+    public OpcBrowseElement[] Browse(string name, OpcBrowseFilters filters, out OpcBrowsePosition? position)
+    {
+        var server = GetOpcServer();
+        var results = server.Browse(new ItemIdentifier(name), filters.ToFilters(), out var pos) ?? [];
+        position = pos == null ? null : new OpcBrowsePosition(pos);
+        return [.. results.Select(element => new OpcBrowseElement(element))];
+    }
+
+    /// <inheritdoc/>
+    public OpcBrowseElement[] BrowseNext(OpcBrowsePosition position)
+    {
+        var server = GetOpcServer();
+        var pos = position.Position;
+        var results = server.BrowseNext(ref pos) ?? [];
+        return [.. results.Select(element => new OpcBrowseElement(element))];
+    }
+
+    private void Dispose(bool disposing)
+    {
+        if (disposing)
+        {
+            Disconnect();
+        }
+    }
+
+    /// <inheritdoc/>
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+}
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcDaServer.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcDaServer.cs
index febcd965..3adab67f 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/OpcDaServer.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcDaServer.cs
@@ -2,191 +2,9 @@
 // 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/
 
-using Opc;
-using Opc.Da;
-using System.Runtime.Versioning;
-
 namespace BootstrapBlazor.OpcDa;
 
-/// <summary>
-/// OPC Server 操作类
-/// </summary>
-[SupportedOSPlatform("windows")]
-sealed class OpcDaServer : IOpcDaServer
+[Obsolete("Use OpcDaClient instead.")]
+sealed class OpcDaServer : OpcDaClient, IOpcDaServer
 {
-    private Opc.Da.Server? _server = null;
-
-    /// <summary>
-    /// 获得 OPC Server 名称
-    /// </summary>
-    public string? ServerName { get; private set; }
-
-    /// <summary>
-    /// 获得 OPC Server 状态
-    /// </summary>
-    public bool IsConnected => _server?.IsConnected ?? false;
-
-    private readonly Dictionary<string, ISubscription> _subscriptions = [];
-
-    /// <summary>
-    /// 连接到 OPCServer 方法
-    /// </summary>
-    /// <param name="serverName">服务器名称</param>
-    /// <remarks>opcda://localhost/Kepware.KEPServerEX.V6</remarks>
-    /// <returns>成功时返回真</returns>
-    public bool Connect(string serverName)
-    {
-        ServerName = serverName;
-
-        // 如果已经连接则先断开
-        Disconnect();
-
-        _server = new Opc.Da.Server(new OpcCom.Factory(), new URL(serverName));
-        _server.Connect();
-        return IsConnected;
-    }
-
-    /// <summary>
-    /// 断开连接方法
-    /// </summary>
-    /// <returns></returns>
-    public void Disconnect()
-    {
-        ServerName = string.Empty;
-
-        if (_server is { IsConnected: true })
-        {
-            foreach (Subscription sub in _server.Subscriptions)
-            {
-                _server.CancelSubscription(sub);
-            }
-
-            _server.Disconnect();
-            _server = null;
-        }
-    }
-
-    /// <summary>
-    /// 创建订阅方法
-    /// </summary>
-    /// <param name="name">订阅名称</param>
-    /// <param name="updateRate">更新频率 默认 1000 毫秒</param>
-    /// <param name="active">是否激活 默认 true</param>
-    /// <returns></returns>
-    public IOpcSubscription CreateSubscription(string name, int updateRate = 1000, bool active = true)
-    {
-        var server = GetOpcServer();
-        if (_subscriptions.TryGetValue(name, out var subscription))
-        {
-            // 已经存在该订阅
-            server.CancelSubscription(subscription);
-        }
-
-        subscription = server.CreateSubscription(name, updateRate, active);
-        _subscriptions.Add(name, subscription);
-        return subscription.ToOpcSubscription();
-    }
-
-    /// <summary>
-    /// 取消订阅方法
-    /// </summary>
-    /// <param name="subscription">订阅接口 <see cref="IOpcSubscription"/> 实例</param>
-    /// <returns></returns>
-    public void CancelSubscription(IOpcSubscription subscription)
-    {
-        var server = GetOpcServer();
-        var name = subscription.Name;
-        if (_subscriptions.Remove(name, out var sub))
-        {
-            server.CancelSubscription(sub);
-        }
-    }
-
-    /// <summary>
-    /// 读取指定 Item 值方法
-    /// </summary>
-    /// <param name="items"></param>
-    /// <returns></returns>
-    public HashSet<OpcReadItem> Read(params HashSet<string> items)
-    {
-        var server = GetOpcServer();
-        var results = server.Read([.. items.Select(i => new Item() { ItemName = i })]);
-        return results.Select(i => new OpcReadItem(i.ItemName, i.Quality.ToQuality(), i.Timestamp, i.Value)).ToHashSet(OpcItemEqualityComparer<OpcReadItem>.Default);
-    }
-
-    /// <summary>
-    /// 读取指定 Item 值方法
-    /// </summary>
-    /// <param name="items"></param>
-    /// <returns></returns>
-    public HashSet<OpcWriteItem> Write(params HashSet<OpcWriteItem> items)
-    {
-        var server = GetOpcServer();
-        var results = server.Write([.. items.Select(i => new ItemValue() { ItemName = i.Name, Value = i.Value })]);
-
-        return items.Select(i =>
-        {
-            var item = results.FirstOrDefault(v => v.ItemName == i.Name);
-            return i with { Result = item != null && item.ResultID == ResultID.S_OK };
-        }).ToHashSet(OpcItemEqualityComparer<OpcWriteItem>.Default);
-    }
-
-    private Opc.Da.Server GetOpcServer()
-    {
-        if (_server is not { IsConnected: true })
-        {
-            throw new InvalidOperationException("OPC Server is not connected.");
-        }
-
-        return _server;
-    }
-
-    /// <summary>
-    /// <inheritdoc/>
-    /// </summary>
-    /// <param name="name"></param>
-    /// <param name="filters"></param>
-    /// <param name="position"></param>
-    /// <returns></returns>
-    public OpcBrowseElement[] Browse(string name, OpcBrowseFilters filters, out OpcBrowsePosition? position)
-    {
-        var server = GetOpcServer();
-        var results = server.Browse(new ItemIdentifier(name), filters.ToFilters(), out var pos) ?? [];
-        position = pos == null ? null : new OpcBrowsePosition(pos);
-        return [.. results.Select(element => new OpcBrowseElement(element))];
-    }
-
-    /// <summary>
-    /// <inheritdoc/>
-    /// </summary>
-    /// <param name="position"></param>
-    /// <returns></returns>
-    public OpcBrowseElement[] BrowseNext(OpcBrowsePosition position)
-    {
-        var server = GetOpcServer();
-        var pos = position.Position;
-        var results = server.BrowseNext(ref pos) ?? [];
-        return [.. results.Select(element => new OpcBrowseElement(element))];
-    }
-
-    /// <summary>
-    /// Dispose 方法
-    /// </summary>
-    /// <param name="disposing"></param>
-    private void Dispose(bool disposing)
-    {
-        if (disposing)
-        {
-            Disconnect();
-        }
-    }
-
-    /// <summary>
-    /// <inheritdoc/>
-    /// </summary>
-    public void Dispose()
-    {
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
 }
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcItemEqualityComparer.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcItemEqualityComparer.cs
index a2ff6fe0..2f105177 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/OpcItemEqualityComparer.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcItemEqualityComparer.cs
@@ -5,26 +5,24 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// <see cref="IOpcItem"/> 比较器
+/// <para lang="zh"><see cref="IOpcItem"/> 比较器</para>
+/// <para lang="en">Equality comparer for <see cref="IOpcItem"/></para>
 /// </summary>
 public class OpcItemEqualityComparer<TItem> : IEqualityComparer<TItem> where TItem : IOpcItem
 {
     /// <summary>
-    /// 获得 <see cref="OpcItemEqualityComparer{TItem}"/> 实例
+    /// <para lang="zh">获得 <see cref="OpcItemEqualityComparer{TItem}"/> 实例</para>
+    /// <para lang="en">Gets the <see cref="OpcItemEqualityComparer{TItem}"/> instance</para>
     /// </summary>
     public static OpcItemEqualityComparer<TItem> Default { get; } = new();
 
-    /// <summary>
     /// <inheritdoc/>
-    /// </summary>
     /// <param name="x"></param>
     /// <param name="y"></param>
     /// <returns></returns>
     public bool Equals(TItem? x, TItem? y) => x?.Name == y?.Name;
 
-    /// <summary>
     /// <inheritdoc/>
-    /// </summary>
     /// <param name="item"></param>
     /// <returns></returns>
     public int GetHashCode([DisallowNull] TItem item) => item.Name.GetHashCode();
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcReadItem.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcReadItem.cs
index a62604a4..d70e6c2a 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/OpcReadItem.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcReadItem.cs
@@ -5,12 +5,14 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// OPC Item 读取实体类
+/// <para lang="zh">OPC Item 读取实体类</para>
+/// <para lang="en">OPC item read model</para>
 /// </summary>
 public record struct OpcReadItem(string Name, Quality Quality, DateTime Timestamp, object? Value) : IOpcItem
 {
     /// <summary>
-    /// 获得 Opc Item 上次值
+    /// <para lang="zh">获得 Opc Item 上次值</para>
+    /// <para lang="en">Gets the previous item value</para>
     /// </summary>
     public object? LastValue { get; set; }
 }
diff --git a/src/extensions/BootstrapBlazor.OpcDa/OpcWriteItem.cs b/src/extensions/BootstrapBlazor.OpcDa/OpcWriteItem.cs
index 0f170879..7a5421e1 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/OpcWriteItem.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/OpcWriteItem.cs
@@ -5,12 +5,14 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// OPC Item 写入实体类
+/// <para lang="zh">OPC Item 写入实体类</para>
+/// <para lang="en">OPC item write model</para>
 /// </summary>
 public record struct OpcWriteItem(string Name, object? Value) : IOpcItem
 {
     /// <summary>
-    /// 获得/设置 写入结果
+    /// <para lang="zh">获得/设置 写入结果</para>
+    /// <para lang="en">Gets or sets the write result</para>
     /// </summary>
     public bool Result { get; set; }
 }
diff --git a/src/extensions/BootstrapBlazor.OpcDa/Quality.cs b/src/extensions/BootstrapBlazor.OpcDa/Quality.cs
index 90e7fe45..5aec0ec7 100644
--- a/src/extensions/BootstrapBlazor.OpcDa/Quality.cs
+++ b/src/extensions/BootstrapBlazor.OpcDa/Quality.cs
@@ -5,17 +5,20 @@
 namespace BootstrapBlazor.OpcDa;
 
 /// <summary>
-/// Opc Item Quality 枚举
+/// <para lang="zh">Opc Item Quality 枚举</para>
+/// <para lang="en">Opc item quality</para>
 /// </summary>
 public enum Quality
 {
     /// <summary>
-    /// 不可信
+    /// <para lang="zh">不可信</para>
+    /// <para lang="en">Bad quality</para>
     /// </summary>
     Bad,
 
     /// <summary>
-    /// 可信
+    /// <para lang="zh">可信</para>
+    /// <para lang="en">Good quality</para>
     /// </summary>
     Good
 }
diff --git a/src/extensions/BootstrapBlazor.OpcUa/Extensions/ServiceCollectionExtensions.cs b/src/extensions/BootstrapBlazor.OpcUa/Extensions/ServiceCollectionExtensions.cs
index 39286d3f..545b5b65 100644
--- a/src/extensions/BootstrapBlazor.OpcUa/Extensions/ServiceCollectionExtensions.cs
+++ b/src/extensions/BootstrapBlazor.OpcUa/Extensions/ServiceCollectionExtensions.cs
@@ -18,9 +18,9 @@ public static class ServiceCollectionExtensions
     /// </summary>
     /// <param name="services"></param>
     /// <returns></returns>
-    public static IServiceCollection AddOpcUaServer(this IServiceCollection services)
+    public static IServiceCollection AddOpcUaClient(this IServiceCollection services)
     {
-        services.AddScoped<IOpcUaServer, OpcUaServer>();
+        services.AddScoped<IOpcUaClient, OpcUaClient>();
         return services;
     }
 }
diff --git a/src/extensions/BootstrapBlazor.OpcUa/IOpcUaServer.cs b/src/extensions/BootstrapBlazor.OpcUa/IOpcUaClient.cs
similarity index 98%
rename from src/extensions/BootstrapBlazor.OpcUa/IOpcUaServer.cs
rename to src/extensions/BootstrapBlazor.OpcUa/IOpcUaClient.cs
index 471451e2..846e27a6 100644
--- a/src/extensions/BootstrapBlazor.OpcUa/IOpcUaServer.cs
+++ b/src/extensions/BootstrapBlazor.OpcUa/IOpcUaClient.cs
@@ -8,7 +8,7 @@ namespace BootstrapBlazor.OpcUa;
 /// <para lang="zh">OPC UA 客户端接口</para>
 /// <para lang="en">OPC UA client interface</para>
 /// </summary>
-public interface IOpcUaServer : IAsyncDisposable
+public interface IOpcUaClient : IAsyncDisposable
 {
     /// <summary>
     /// <para lang="zh">获得当前是否已连接</para>
diff --git a/src/extensions/BootstrapBlazor.OpcUa/OpcUaServer.cs b/src/extensions/BootstrapBlazor.OpcUa/OpcUaClient.cs
similarity index 99%
rename from src/extensions/BootstrapBlazor.OpcUa/OpcUaServer.cs
rename to src/extensions/BootstrapBlazor.OpcUa/OpcUaClient.cs
index c3fd9b8c..c61f18e2 100644
--- a/src/extensions/BootstrapBlazor.OpcUa/OpcUaServer.cs
+++ b/src/extensions/BootstrapBlazor.OpcUa/OpcUaClient.cs
@@ -7,7 +7,7 @@
 
 namespace BootstrapBlazor.OpcUa;
 
-sealed class OpcUaServer : IOpcUaServer
+sealed class OpcUaClient : IOpcUaClient
 {
     private readonly SemaphoreSlim _gate = new(1, 1);
     private readonly Dictionary<string, OpcUaSubscription> _subscriptions = [];
diff --git a/test/UnitTestOpcDa/UnitTest1.cs b/test/UnitTestOpcDa/UnitTest1.cs
index 45b98aa0..4907f416 100644
--- a/test/UnitTestOpcDa/UnitTest1.cs
+++ b/test/UnitTestOpcDa/UnitTest1.cs
@@ -15,10 +15,10 @@ public class UnitTest1
     public void Write_Ok()
     {
         var sc = new ServiceCollection();
-        sc.AddOpcDaServer();
+        sc.AddOpcDaClient();
 
         var sp = sc.BuildServiceProvider();
-        var server = sp.GetRequiredService<IOpcDaServer>();
+        var server = sp.GetRequiredService<IOpcDaClient>();
         var ret = server.Connect("opcda://localhost/Kepware.KEPServerEX.V6");
         Assert.True(ret);
         Assert.True(server.IsConnected);
@@ -46,10 +46,10 @@ public void Write_Ok()
     public async Task Subscription_Ok()
     {
         var sc = new ServiceCollection();
-        sc.AddOpcDaServer();
+        sc.AddOpcDaClient();
 
         var sp = sc.BuildServiceProvider();
-        var server = sp.GetRequiredService<IOpcDaServer>();
+        var server = sp.GetRequiredService<IOpcDaClient>();
         server.Connect("opcda://localhost/Kepware.KEPServerEX.V6");
 
         var subscription = server.CreateSubscription("Test", 100);
@@ -85,10 +85,10 @@ public async Task Subscription_Ok()
     public void Browser_Ok()
     {
         var sc = new ServiceCollection();
-        sc.AddOpcDaServer();
+        sc.AddOpcDaClient();
 
         var sp = sc.BuildServiceProvider();
-        var server = sp.GetRequiredService<IOpcDaServer>();
+        var server = sp.GetRequiredService<IOpcDaClient>();
         server.Connect("opcda://localhost/Kepware.KEPServerEX.V6");
 
         var elements = server.Browse("Channel1", new OpcBrowseFilters(), out var position);
diff --git a/test/UnitTestOpcUa/UnitTest1.cs b/test/UnitTestOpcUa/UnitTest1.cs
index 8e67a3a6..89cf3732 100644
--- a/test/UnitTestOpcUa/UnitTest1.cs
+++ b/test/UnitTestOpcUa/UnitTest1.cs
@@ -10,18 +10,18 @@ namespace UnitTestOpcUa;
 public class UnitTest1
 {
     [Fact]
-    public async Task AddOpcUaServer_Ok()
+    public async Task AddOpcUaClient_Ok()
     {
         var services = new ServiceCollection();
-        services.AddOpcUaServer();
+        services.AddOpcUaClient();
 
         await using var provider = services.BuildServiceProvider();
         await using var scope1 = provider.CreateAsyncScope();
         await using var scope2 = provider.CreateAsyncScope();
-        var server = scope1.ServiceProvider.GetRequiredService<IOpcUaServer>();
+        var server = scope1.ServiceProvider.GetRequiredService<IOpcUaClient>();
 
-        Assert.Same(server, scope1.ServiceProvider.GetRequiredService<IOpcUaServer>());
-        Assert.NotSame(server, scope2.ServiceProvider.GetRequiredService<IOpcUaServer>());
+        Assert.Same(server, scope1.ServiceProvider.GetRequiredService<IOpcUaClient>());
+        Assert.NotSame(server, scope2.ServiceProvider.GetRequiredService<IOpcUaClient>());
         Assert.False(server.IsConnected);
         Assert.Null(server.EndpointUrl);
     }
@@ -30,10 +30,10 @@ public async Task AddOpcUaServer_Ok()
     public async Task Operation_NotConnected()
     {
         var services = new ServiceCollection();
-        services.AddOpcUaServer();
+        services.AddOpcUaClient();
 
         await using var provider = services.BuildServiceProvider();
-        var server = provider.GetRequiredService<IOpcUaServer>();
+        var server = provider.GetRequiredService<IOpcUaClient>();
 
         await Assert.ThrowsAsync<InvalidOperationException>(() => server.ReadAsync(["ns=2;s=Tag"]));
         await Assert.ThrowsAsync<InvalidOperationException>(() => server.WriteAsync([new OpcUaWriteItem("ns=2;s=Tag", 1)]));
@@ -63,10 +63,10 @@ public void Model_Ok()
     public async Task Dispose_Ok()
     {
         var services = new ServiceCollection();
-        services.AddOpcUaServer();
+        services.AddOpcUaClient();
 
         await using var provider = services.BuildServiceProvider();
-        var server = provider.GetRequiredService<IOpcUaServer>();
+        var server = provider.GetRequiredService<IOpcUaClient>();
         await server.DisposeAsync();
 
         await Assert.ThrowsAsync<ObjectDisposedException>(() => server.DisconnectAsync());
@@ -76,10 +76,10 @@ public async Task Dispose_Ok()
     public async Task Connect_Options()
     {
         var services = new ServiceCollection();
-        services.AddOpcUaServer();
+        services.AddOpcUaClient();
 
         await using var provider = services.BuildServiceProvider();
-        var server = provider.GetRequiredService<IOpcUaServer>();
+        var server = provider.GetRequiredService<IOpcUaClient>();
 
         await Assert.ThrowsAsync<ArgumentException>(() => server.ConnectAsync("", new OpcUaConnectionOptions()));
         await Assert.ThrowsAsync<ArgumentException>(() => server.ConnectAsync("opc.tcp://localhost:4840", new OpcUaConnectionOptions