diff --git a/Modbus.Net/Modbus.Net.OPC/AddressFormaterOpc.cs b/Modbus.Net/Modbus.Net.OPC/AddressFormaterOpc.cs
index 2d9a4f6..afaf426 100644
--- a/Modbus.Net/Modbus.Net.OPC/AddressFormaterOpc.cs
+++ b/Modbus.Net/Modbus.Net.OPC/AddressFormaterOpc.cs
@@ -24,12 +24,28 @@ namespace Modbus.Net.OPC
             Seperator = seperator;
         }
 
+        /// <summary>
+        ///     设备
+        /// </summary>
         public BaseMachine<TMachineKey, TUnitKey> Machine { get; set; }
 
+        /// <summary>
+        ///     标签构造器
+        ///     (设备,地址)->不具备分隔符的标签数组
+        /// </summary>
         protected Func<BaseMachine<TMachineKey, TUnitKey>, AddressUnit<TUnitKey>, string[]> TagGeter { get; set; }
 
+        /// <summary>
+        ///     分割符
+        /// </summary>
         public char Seperator { get; protected set; }
 
+        /// <summary>
+        ///     编码地址
+        /// </summary>
+        /// <param name="area">地址所在的数据区域</param>
+        /// <param name="address">地址</param>
+        /// <returns>编码后的地址</returns>
         public override string FormatAddress(string area, int address)
         {
             var findAddress = Machine?.GetAddresses.FirstOrDefault(p => p.Area == area && p.Address == address);
@@ -42,6 +58,13 @@ namespace Modbus.Net.OPC
             return ans;
         }
 
+        /// <summary>
+        ///     编码地址
+        /// </summary>
+        /// <param name="area">地址所在的数据区域</param>
+        /// <param name="address">地址</param>
+        /// <param name="subAddress">子地址（忽略）</param>
+        /// <returns>编码后的地址</returns>
         public override string FormatAddress(string area, int address, int subAddress)
         {
             return FormatAddress(area, address);
diff --git a/Modbus.Net/Modbus.Net.OPC/AddressTranslatorOpc.cs b/Modbus.Net/Modbus.Net.OPC/AddressTranslatorOpc.cs
index 71f0d20..892b5c7 100644
--- a/Modbus.Net/Modbus.Net.OPC/AddressTranslatorOpc.cs
+++ b/Modbus.Net/Modbus.Net.OPC/AddressTranslatorOpc.cs
@@ -7,11 +7,22 @@ namespace Modbus.Net.OPC
     /// </summary>
     public class AddressTranslatorOpc : AddressTranslator
     {
+        /// <summary>
+        ///     地址转换
+        /// </summary>
+        /// <param name="address">格式化的地址</param>
+        /// <param name="isRead">是否为读取，是为读取，否为写入</param>
+        /// <returns>翻译后的地址</returns>
         public override AddressDef AddressTranslate(string address, bool isRead)
         {
             throw new NotImplementedException();
         }
 
+        /// <summary>
+        ///     获取区域中的单个地址占用的字节长度
+        /// </summary>
+        /// <param name="area">区域名称</param>
+        /// <returns>字节长度</returns>
         public override double GetAreaByteLength(string area)
         {
             return 1;
diff --git a/Modbus.Net/Modbus.Net.OPC/ClientExtend.cs b/Modbus.Net/Modbus.Net.OPC/ClientExtend.cs
index d745f7a..43b4e35 100644
--- a/Modbus.Net/Modbus.Net.OPC/ClientExtend.cs
+++ b/Modbus.Net/Modbus.Net.OPC/ClientExtend.cs
@@ -7,54 +7,140 @@ using Hylasoft.Opc.Ua;
 
 namespace Modbus.Net.OPC
 {
+    /// <summary>
+    ///     Opc Client Extend interface, Unified for DA and UA
+    /// </summary>
     public interface IClientExtend : IDisposable
     {
+        /// <summary>
+        ///     Unified Root Node
+        /// </summary>
         Node RootNodeBase { get; }
 
+        /// <summary>
+        ///     Connect the client to the OPC Server
+        /// </summary>
         void Connect();
 
+        /// <summary>
+        ///     Read a tag
+        /// </summary>
+        /// <typeparam name="T">The type of tag to read</typeparam>
+        /// <param name="tag">
+        ///     The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        ///     E.g: the tag `foo.bar` reads the tag `bar` on the folder `foo`
+        /// </param>
+        /// <returns>The value retrieved from the OPC</returns>
         T Read<T>(string tag);
 
+        /// <summary>
+        ///     Write a value on the specified opc tag
+        /// </summary>
+        /// <typeparam name="T">The type of tag to write on</typeparam>
+        /// <param name="tag">
+        ///     The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        ///     E.g: the tag `foo.bar` writes on the tag `bar` on the folder `foo`
+        /// </param>
+        /// <param name="item"></param>
         void Write<T>(string tag, T item);
 
+        /// <summary>
+        ///     Read a tag asynchronusly
+        /// </summary>
         Task<T> ReadAsync<T>(string tag);
 
+        /// <summary>
+        ///     Write a value on the specified opc tag asynchronously
+        /// </summary>
         Task WriteAsync<T>(string tag, T item);
 
+        /// <summary>
+        ///     Finds a node on the Opc Server asynchronously
+        /// </summary>
         Task<Node> FindNodeAsync(string tag);
 
+        /// <summary>
+        ///     Explore a folder on the Opc Server asynchronously
+        /// </summary>
         Task<IEnumerable<Node>> ExploreFolderAsync(string tag);
     }
 
+    /// <summary>
+    ///     UaClient Extend
+    /// </summary>
     public class MyDaClient : DaClient, IClientExtend
     {
+        /// <summary>
+        ///     UaClient Extend
+        /// </summary>
+        /// <param name="serverUrl">Url address of Opc UA server</param>
         public MyDaClient(Uri serverUrl) : base(serverUrl)
         {
         }
 
+        /// <summary>
+        ///     Unified root node
+        /// </summary>
         public Node RootNodeBase => RootNode;
     }
 
+    /// <summary>
+    ///     DaClient Extend
+    /// </summary>
     public class MyUaClient : UaClient, IClientExtend
     {
+        /// <summary>
+        ///     DaClient Extend
+        /// </summary>
         public MyUaClient(Uri serverUrl) : base(serverUrl)
         {
         }
 
+        /// <summary>
+        ///     Unified root node
+        /// </summary>
         public Node RootNodeBase => RootNode;
     }
 
+    /// <summary>
+    ///     Param input of OpcConnector
+    /// </summary>
     public class OpcParamIn
     {
+        /// <summary>
+        ///     Is the action read (not is write)
+        /// </summary>
         public bool IsRead { get; set; }
+
+        /// <summary>
+        ///     Tag of a node
+        /// </summary>
         public string Tag { get; set; }
+
+        /// <summary>
+        ///     Tag splitter of a node
+        /// </summary>
         public char Split { get; set; }
+
+        /// <summary>
+        ///     The value set to node(only available when IsRead is false
+        /// </summary>
         public object SetValue { get; set; }
     }
 
+    /// <summary>
+    ///     Param output of OpcConnector
+    /// </summary>
     public class OpcParamOut
     {
+        /// <summary>
+        ///     Is the action success
+        /// </summary>
         public bool Success { get; set; }
+
+        /// <summary>
+        ///     Action return values
+        /// </summary>
         public byte[] Value { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Modbus.Net/Modbus.Net.OPC/FBox/FBoxOpcDaManchine.cs b/Modbus.Net/Modbus.Net.OPC/FBox/FBoxOpcDaManchine.cs
index 074d867..997c627 100644
--- a/Modbus.Net/Modbus.Net.OPC/FBox/FBoxOpcDaManchine.cs
+++ b/Modbus.Net/Modbus.Net.OPC/FBox/FBoxOpcDaManchine.cs
@@ -3,8 +3,18 @@ using System.Configuration;
 
 namespace Modbus.Net.OPC.FBox
 {
+    /// <summary>
+    ///     FBox的Opc服务设备
+    /// </summary>
     public class FBoxOpcDaMachine : OpcDaMachine
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="localSequence">页名称</param>
+        /// <param name="linkerName">设备名称</param>
+        /// <param name="getAddresses">获取地址</param>
+        /// <param name="keepConnect">是否保持连接</param>
         public FBoxOpcDaMachine(string localSequence, string linkerName,
             IEnumerable<AddressUnit> getAddresses, bool keepConnect)
             : base(ConfigurationManager.AppSettings["FBoxOpcDaHost"], getAddresses, keepConnect)
@@ -21,14 +31,26 @@ namespace Modbus.Net.OPC.FBox
                         }, this, '.');
         }
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="localSequence">页名称</param>
+        /// <param name="linkerName">设备名称</param>
+        /// <param name="getAddresses">获取地址</param>
         public FBoxOpcDaMachine(string localSequence, string linkerName,
             IEnumerable<AddressUnit> getAddresses)
             : this(localSequence, linkerName, getAddresses, false)
         {
         }
 
+        /// <summary>
+        ///     页名称
+        /// </summary>
         public string LocalSequence { get; set; }
 
+        /// <summary>
+        ///     设备名称
+        /// </summary>
         public string LinkerName { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcConnector.cs b/Modbus.Net/Modbus.Net.OPC/OpcConnector.cs
index b4281d5..95ba555 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcConnector.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcConnector.cs
@@ -9,19 +9,44 @@ using Serilog;
 
 namespace Modbus.Net.OPC
 {
+    /// <summary>
+    ///     Opc连接器
+    /// </summary>
     public abstract class OpcConnector : BaseConnector<OpcParamIn, OpcParamOut>
     {
+        /// <summary>
+        ///     是否正在连接
+        /// </summary>
         protected bool _connect;
+
+        /// <summary>
+        ///     Opc客户端
+        /// </summary>
         protected IClientExtend Client;
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="host">服务端url</param>
         protected OpcConnector(string host)
         {
             ConnectionToken = host;
         }
 
+        /// <summary>
+        ///     连接标识
+        /// </summary>
         public override string ConnectionToken { get; }
+
+        /// <summary>
+        ///     是否正在连接
+        /// </summary>
         public override bool IsConnected => _connect;
 
+        /// <summary>
+        ///     断开连接
+        /// </summary>
+        /// <returns></returns>
         public override bool Disconnect()
         {
             try
@@ -40,21 +65,43 @@ namespace Modbus.Net.OPC
             }
         }
 
+        /// <summary>
+        ///     无返回发送数据
+        /// </summary>
+        /// <param name="message">需要发送的数据</param>
+        /// <returns>是否发送成功</returns>
         public override bool SendMsgWithoutReturn(OpcParamIn message)
         {
             throw new NotImplementedException();
         }
 
+        /// <summary>
+        ///     无返回发送数据
+        /// </summary>
+        /// <param name="message">需要发送的数据</param>
+        /// <returns>是否发送成功</returns>
         public override Task<bool> SendMsgWithoutReturnAsync(OpcParamIn message)
         {
             throw new NotImplementedException();
         }
 
+        /// <summary>
+        ///     带返回发送数据
+        /// </summary>
+        /// <param name="message">需要发送的数据</param>
+        /// <returns>是否发送成功</returns>
         public override OpcParamOut SendMsg(OpcParamIn message)
         {
             return AsyncHelper.RunSync(() => SendMsgAsync(message));
         }
 
+        /// <summary>
+        ///     根据括号折叠已经打开的标签
+        /// </summary>
+        /// <param name="tagSplitList">已经打开的标签</param>
+        /// <param name="splitChar">分割符</param>
+        /// <param name="startChar">开始字符</param>
+        /// <param name="endChar">结束字符</param>
         private void FoldWith(List<string> tagSplitList, char splitChar, char startChar, char endChar)
         {
             for (var i = 0; i < tagSplitList.Count; i++)
@@ -72,6 +119,12 @@ namespace Modbus.Net.OPC
                         }
         }
 
+        /// <summary>
+        ///     根据分隔符切分标签
+        /// </summary>
+        /// <param name="tag">标签</param>
+        /// <param name="split">分隔符</param>
+        /// <returns>分割后的标签</returns>
         private string[] SplitTag(string tag, char split)
         {
             var tagSplitList = tag.Split(split).ToList();
@@ -83,6 +136,11 @@ namespace Modbus.Net.OPC
             return tagSplitList.ToArray();
         }
 
+        /// <summary>
+        ///     带返回发送数据
+        /// </summary>
+        /// <param name="message">需要发送的数据</param>
+        /// <returns>是否发送成功</returns>
         public override async Task<OpcParamOut> SendMsgAsync(OpcParamIn message)
         {
             try
@@ -154,6 +212,14 @@ namespace Modbus.Net.OPC
             }
         }
 
+        /// <summary>
+        ///     搜索标签
+        /// </summary>
+        /// <param name="tags">标签</param>
+        /// <param name="split">分隔符</param>
+        /// <param name="deep">递归深度（第几级标签）</param>
+        /// <param name="nodes">当前搜索的节点</param>
+        /// <returns>搜索到的标签</returns>
         private async Task<string> SearchTag(string[] tags, char split, int deep, IEnumerable<Node> nodes)
         {
             foreach (var node in nodes)
@@ -170,11 +236,10 @@ namespace Modbus.Net.OPC
             return null;
         }
 
-        protected void AddInfo(string message)
-        {
-            Console.WriteLine(message);
-        }
-
+        /// <summary>
+        ///     连接PLC
+        /// </summary>
+        /// <returns>是否连接成功</returns>
         public override bool Connect()
         {
             try
@@ -192,6 +257,10 @@ namespace Modbus.Net.OPC
             }
         }
 
+        /// <summary>
+        ///     连接PLC，异步
+        /// </summary>
+        /// <returns>是否连接成功</returns>
         public override Task<bool> ConnectAsync()
         {
             return Task.FromResult(Connect());
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcDaConnector.cs b/Modbus.Net/Modbus.Net.OPC/OpcDaConnector.cs
index 4813ef2..416aad5 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcDaConnector.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcDaConnector.cs
@@ -4,17 +4,29 @@ using System.Collections.Generic;
 namespace Modbus.Net.OPC
 {
     /// <summary>
-    ///     OpcDa协议连接实现
+    ///     Opc DA连接实现
     /// </summary>
     public class OpcDaConnector : OpcConnector
     {
+        /// <summary>
+        ///     DA单例管理
+        /// </summary>
         protected static Dictionary<string, OpcDaConnector> _instances = new Dictionary<string, OpcDaConnector>();
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="host">Opc DA 服务地址</param>
         protected OpcDaConnector(string host) : base(host)
         {
             Client = new MyDaClient(new Uri(ConnectionToken));
         }
 
+        /// <summary>
+        ///     根据服务地址生成DA单例
+        /// </summary>
+        /// <param name="host">Opc DA 服务地址</param>
+        /// <returns>Opc DA 连接器实例</returns>
         public static OpcDaConnector Instance(string host)
         {
             if (!_instances.ContainsKey(host))
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcDaMachine.cs b/Modbus.Net/Modbus.Net.OPC/OpcDaMachine.cs
index 681fee1..6eed0e3 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcDaMachine.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcDaMachine.cs
@@ -3,9 +3,20 @@ using System.Collections.Generic;
 
 namespace Modbus.Net.OPC
 {
+    /// <summary>
+    ///     Opc DA设备
+    /// </summary>
+    /// <typeparam name="TKey">设备Id类型</typeparam>
+    /// <typeparam name="TUnitKey">设备包含的地址的Id类型</typeparam>
     public class OpcDaMachine<TKey, TUnitKey> : OpcMachine<TKey, TUnitKey> where TKey : IEquatable<TKey>
         where TUnitKey : IEquatable<TUnitKey>
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
+        /// <param name="getAddresses">需要读写的数据</param>
+        /// <param name="keepConnect">是否保持连接</param>
         public OpcDaMachine(string connectionString, IEnumerable<AddressUnit<TUnitKey>> getAddresses, bool keepConnect)
             : base(getAddresses, keepConnect)
         {
@@ -14,14 +25,28 @@ namespace Modbus.Net.OPC
                 () => ((AddressFormaterOpc<TKey, TUnitKey>) AddressFormater).Seperator;
         }
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
+        /// <param name="getAddresses">需要读写的数据</param>
         public OpcDaMachine(string connectionString, IEnumerable<AddressUnit<TUnitKey>> getAddresses)
             : this(connectionString, getAddresses, false)
         {
         }
     }
 
+    /// <summary>
+    ///     Opc DA设备
+    /// </summary>
     public class OpcDaMachine : OpcMachine
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
+        /// <param name="getAddresses">需要读写的数据</param>
+        /// <param name="keepConnect">是否保持连接</param>
         public OpcDaMachine(string connectionString, IEnumerable<AddressUnit> getAddresses, bool keepConnect)
             : base(getAddresses, keepConnect)
         {
@@ -30,6 +55,11 @@ namespace Modbus.Net.OPC
                 () => ((AddressFormaterOpc<string, string>) AddressFormater).Seperator;
         }
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
+        /// <param name="getAddresses">需要读写的数据</param>
         public OpcDaMachine(string connectionString, IEnumerable<AddressUnit> getAddresses)
             : this(connectionString, getAddresses, false)
         {
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcDaProtocal.cs b/Modbus.Net/Modbus.Net.OPC/OpcDaProtocal.cs
index bf5ce6d..41cbdc0 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcDaProtocal.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcDaProtocal.cs
@@ -3,29 +3,39 @@
 namespace Modbus.Net.OPC
 {
     /// <summary>
-    ///     OpcDa协议
+    ///     Opc Da协议
     /// </summary>
     public class OpcDaProtocal : OpcProtocal
     {
         private readonly string _host;
-        private int _connectTryCount;
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="host">Opc DA服务地址</param>
         public OpcDaProtocal(string host)
         {
             _host = host;
         }
 
+        /// <summary>
+        ///     连接设备
+        /// </summary>
+        /// <returns>是否连接成功</returns>
         public override bool Connect()
         {
             return AsyncHelper.RunSync(ConnectAsync);
         }
 
+        /// <summary>
+        ///     连接设备
+        /// </summary>
+        /// <returns>是否连接成功</returns>
         public override async Task<bool> ConnectAsync()
         {
-            _connectTryCount++;
             ProtocalLinker = new OpcDaProtocalLinker(_host);
-            if (!await ProtocalLinker.ConnectAsync()) return false;
-            _connectTryCount = 0;
+            if (!await ProtocalLinker.ConnectAsync())
+                return false;
             return true;
         }
     }
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcDaProtocalLinker.cs b/Modbus.Net/Modbus.Net.OPC/OpcDaProtocalLinker.cs
index c98b617..7da896b 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcDaProtocalLinker.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcDaProtocalLinker.cs
@@ -7,10 +7,17 @@ namespace Modbus.Net.OPC
     /// </summary>
     public class OpcDaProtocalLinker : OpcProtocalLinker
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
         public OpcDaProtocalLinker() : this(ConfigurationManager.AppSettings["OpcDaHost"])
         {
         }
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="host">Opc DA服务地址</param>
         public OpcDaProtocalLinker(string host)
         {
             BaseConnector = OpcDaConnector.Instance(host);
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcDaUtility.cs b/Modbus.Net/Modbus.Net.OPC/OpcDaUtility.cs
index d52232d..5415754 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcDaUtility.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcDaUtility.cs
@@ -5,6 +5,10 @@
     /// </summary>
     public class OpcDaUtility : OpcUtility
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
         public OpcDaUtility(string connectionString) : base(connectionString)
         {
             Wrapper = new OpcDaProtocal(ConnectionString);
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcMachine.cs b/Modbus.Net/Modbus.Net.OPC/OpcMachine.cs
index 3803e54..0b6f537 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcMachine.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcMachine.cs
@@ -4,11 +4,16 @@ using System.Collections.Generic;
 namespace Modbus.Net.OPC
 {
     /// <summary>
-    ///     OpcDa设备
+    ///     Opc Da设备
     /// </summary>
     public abstract class OpcMachine<TKey, TUnitKey> : BaseMachine<TKey, TUnitKey> where TKey : IEquatable<TKey>
         where TUnitKey : IEquatable<TUnitKey>
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="getAddresses">需要读写的地址</param>
+        /// <param name="keepConnect">是否保持连接</param>
         protected OpcMachine(IEnumerable<AddressUnit<TUnitKey>> getAddresses, bool keepConnect)
             : base(getAddresses, keepConnect)
         {
@@ -18,10 +23,15 @@ namespace Modbus.Net.OPC
     }
 
     /// <summary>
-    ///     OpcDa设备
+    ///     Opc Da设备
     /// </summary>
     public abstract class OpcMachine : BaseMachine
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="getAddresses">需要读写的地址</param>
+        /// <param name="keepConnect">是否保持连接</param>
         protected OpcMachine(IEnumerable<AddressUnit> getAddresses, bool keepConnect)
             : base(getAddresses, keepConnect)
         {
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcProtocal.cs b/Modbus.Net/Modbus.Net.OPC/OpcProtocal.cs
index 6f48d67..ca56811 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcProtocal.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcProtocal.cs
@@ -5,6 +5,9 @@
     /// </summary>
     public abstract class OpcProtocal : BaseProtocal<OpcParamIn, OpcParamOut, ProtocalUnit<OpcParamIn, OpcParamOut>>
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
         protected OpcProtocal() : base(0, 0, Endian.BigEndianLsb)
         {
         }
@@ -12,30 +15,63 @@
 
     #region 读数据
 
+    /// <summary>
+    ///     读数据输入
+    /// </summary>
     public class ReadRequestOpcInputStruct : IInputStruct
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="tag">标签</param>
+        /// <param name="split">分隔符</param>
         public ReadRequestOpcInputStruct(string tag, char split)
         {
             Tag = tag;
             Split = split;
         }
 
+        /// <summary>
+        ///     标签
+        /// </summary>
         public string Tag { get; }
+
+        /// <summary>
+        ///     分隔符
+        /// </summary>
         public char Split { get; }
     }
 
+    /// <summary>
+    ///     读地址输出
+    /// </summary>
     public class ReadRequestOpcOutputStruct : IOutputStruct
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="value">读取的数据</param>
         public ReadRequestOpcOutputStruct(byte[] value)
         {
             GetValue = value;
         }
 
+        /// <summary>
+        ///     读取的地址
+        /// </summary>
         public byte[] GetValue { get; private set; }
     }
 
+    /// <summary>
+    ///     读数据协议
+    /// </summary>
     public class ReadRequestOpcProtocal : ProtocalUnit<OpcParamIn, OpcParamOut>, ISpecialProtocalUnit
     {
+        /// <summary>
+        ///     从对象的参数数组格式化
+        /// </summary>
+        /// <param name="message">非结构化的输入数据</param>
+        /// <returns>格式化后的字节流</returns>
         public override OpcParamIn Format(IInputStruct message)
         {
             var r_message = (ReadRequestOpcInputStruct) message;
@@ -47,6 +83,12 @@
             };
         }
 
+        /// <summary>
+        ///     把仪器返回的内容填充到输出结构中
+        /// </summary>
+        /// <param name="messageBytes">返回数据的字节流</param>
+        /// <param name="pos">转换标记位</param>
+        /// <returns>结构化的输出数据</returns>
         public override IOutputStruct Unformat(OpcParamOut messageBytes, ref int pos)
         {
             return new ReadRequestOpcOutputStruct(messageBytes.Value);
@@ -57,8 +99,17 @@
 
     #region 写数据
 
+    /// <summary>
+    ///     写数据输入
+    /// </summary>
     public class WriteRequestOpcInputStruct : IInputStruct
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="tag">标签</param>
+        /// <param name="split">分隔符</param>
+        /// <param name="setValue">写入的数据</param>
         public WriteRequestOpcInputStruct(string tag, char split, object setValue)
         {
             Tag = tag;
@@ -66,23 +117,52 @@
             SetValue = setValue;
         }
 
+        /// <summary>
+        ///     标签
+        /// </summary>
         public string Tag { get; }
+
+        /// <summary>
+        ///     分隔符
+        /// </summary>
         public char Split { get; }
+
+        /// <summary>
+        ///     写入的数据
+        /// </summary>
         public object SetValue { get; }
     }
 
+    /// <summary>
+    ///     写数据输出
+    /// </summary>
     public class WriteRequestOpcOutputStruct : IOutputStruct
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="writeResult">写入是否成功</param>
         public WriteRequestOpcOutputStruct(bool writeResult)
         {
             WriteResult = writeResult;
         }
 
+        /// <summary>
+        ///     写入是否成功
+        /// </summary>
         public bool WriteResult { get; private set; }
     }
 
+    /// <summary>
+    ///     写数据协议
+    /// </summary>
     public class WriteRequestOpcProtocal : ProtocalUnit<OpcParamIn, OpcParamOut>, ISpecialProtocalUnit
     {
+        /// <summary>
+        ///     从对象的参数数组格式化
+        /// </summary>
+        /// <param name="message">非结构化的输入数据</param>
+        /// <returns>格式化后的字节流</returns>
         public override OpcParamIn Format(IInputStruct message)
         {
             var r_message = (WriteRequestOpcInputStruct) message;
@@ -95,6 +175,12 @@
             };
         }
 
+        /// <summary>
+        ///     把仪器返回的内容填充到输出结构中
+        /// </summary>
+        /// <param name="messageBytes">返回数据的字节流</param>
+        /// <param name="pos">转换标记位</param>
+        /// <returns>结构化的输出数据</returns>
         public override IOutputStruct Unformat(OpcParamOut messageBytes, ref int pos)
         {
             var ansByte = BigEndianValueHelper.Instance.GetByte(messageBytes.Value, ref pos);
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcUaConnector.cs b/Modbus.Net/Modbus.Net.OPC/OpcUaConnector.cs
index 8fc4152..498a3e6 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcUaConnector.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcUaConnector.cs
@@ -4,17 +4,29 @@ using System.Collections.Generic;
 namespace Modbus.Net.OPC
 {
     /// <summary>
-    ///     OpcDa协议连接实现
+    ///     Opc UA连接实现
     /// </summary>
     public class OpcUaConnector : OpcConnector
     {
+        /// <summary>
+        ///     UA单例管理
+        /// </summary>
         protected static Dictionary<string, OpcUaConnector> _instances = new Dictionary<string, OpcUaConnector>();
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="host">Opc UA 服务地址</param>
         protected OpcUaConnector(string host) : base(host)
         {
             Client = new MyUaClient(new Uri(ConnectionToken));
         }
 
+        /// <summary>
+        ///     根据地址获取UA连接器单例
+        /// </summary>
+        /// <param name="host">Opc UA服务地址</param>
+        /// <returns>OPC UA实例</returns>
         public static OpcUaConnector Instance(string host)
         {
             if (!_instances.ContainsKey(host))
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcUaMachine.cs b/Modbus.Net/Modbus.Net.OPC/OpcUaMachine.cs
index 7e49287..815d482 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcUaMachine.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcUaMachine.cs
@@ -3,9 +3,20 @@ using System.Collections.Generic;
 
 namespace Modbus.Net.OPC
 {
+    /// <summary>
+    ///     Opc UA设备
+    /// </summary>
+    /// <typeparam name="TKey">设备Id的类型</typeparam>
+    /// <typeparam name="TUnitKey">设备中地址的Id的类型</typeparam>
     public class OpcUaMachine<TKey, TUnitKey> : OpcMachine<TKey, TUnitKey> where TKey : IEquatable<TKey>
         where TUnitKey : IEquatable<TUnitKey>
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
+        /// <param name="getAddresses">需要读写的数据</param>
+        /// <param name="keepConnect">是否保持连接</param>
         public OpcUaMachine(string connectionString, IEnumerable<AddressUnit<TUnitKey>> getAddresses, bool keepConnect)
             : base(getAddresses, keepConnect)
         {
@@ -14,14 +25,28 @@ namespace Modbus.Net.OPC
                 () => ((AddressFormaterOpc<string, string>) AddressFormater).Seperator;
         }
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
+        /// <param name="getAddresses">需要读写的数据</param>
         public OpcUaMachine(string connectionString, IEnumerable<AddressUnit<TUnitKey>> getAddresses)
             : this(connectionString, getAddresses, false)
         {
         }
     }
 
+    /// <summary>
+    ///     Opc UA设备
+    /// </summary>
     public class OpcUaMachine : OpcMachine
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
+        /// <param name="getAddresses">需要读写的数据</param>
+        /// <param name="keepConnect">是否保持连接</param>
         public OpcUaMachine(string connectionString, IEnumerable<AddressUnit> getAddresses, bool keepConnect)
             : base(getAddresses, keepConnect)
         {
@@ -30,6 +55,11 @@ namespace Modbus.Net.OPC
                 () => ((AddressFormaterOpc<string, string>) AddressFormater).Seperator;
         }
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
+        /// <param name="getAddresses">需要读写的数据</param>
         public OpcUaMachine(string connectionString, IEnumerable<AddressUnit> getAddresses)
             : this(connectionString, getAddresses, false)
         {
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcUaProtocal.cs b/Modbus.Net/Modbus.Net.OPC/OpcUaProtocal.cs
index b146880..f358e98 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcUaProtocal.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcUaProtocal.cs
@@ -3,29 +3,38 @@
 namespace Modbus.Net.OPC
 {
     /// <summary>
-    ///     OpcUa协议
+    ///     Opc UA协议
     /// </summary>
     public class OpcUaProtocal : OpcProtocal
     {
         private readonly string _host;
-        private int _connectTryCount;
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="host">Opc UA服务地址</param>
         public OpcUaProtocal(string host)
         {
             _host = host;
         }
 
+        /// <summary>
+        ///     连接设备
+        /// </summary>
+        /// <returns>是否连接成功</returns>
         public override bool Connect()
         {
             return AsyncHelper.RunSync(ConnectAsync);
         }
 
+        /// <summary>
+        ///     连接设备
+        /// </summary>
+        /// <returns>是否连接成功</returns>
         public override async Task<bool> ConnectAsync()
         {
-            _connectTryCount++;
             ProtocalLinker = new OpcUaProtocalLinker(_host);
             if (!await ProtocalLinker.ConnectAsync()) return false;
-            _connectTryCount = 0;
             return true;
         }
     }
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcUaProtocalLinker.cs b/Modbus.Net/Modbus.Net.OPC/OpcUaProtocalLinker.cs
index 31b3279..34dc6cb 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcUaProtocalLinker.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcUaProtocalLinker.cs
@@ -3,14 +3,21 @@
 namespace Modbus.Net.OPC
 {
     /// <summary>
-    ///     Opc Da协议连接器
+    ///     Opc UA协议连接器
     /// </summary>
     public class OpcUaProtocalLinker : OpcProtocalLinker
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
         public OpcUaProtocalLinker() : this(ConfigurationManager.AppSettings["OpcUaHost"])
         {
         }
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="host">Opc UA服务地址</param>
         public OpcUaProtocalLinker(string host)
         {
             BaseConnector = OpcUaConnector.Instance(host);
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcUaUtility.cs b/Modbus.Net/Modbus.Net.OPC/OpcUaUtility.cs
index e061c28..e144afe 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcUaUtility.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcUaUtility.cs
@@ -1,10 +1,14 @@
 namespace Modbus.Net.OPC
 {
     /// <summary>
-    ///     Opc Da协议Api入口
+    ///     Opc Ua协议Api入口
     /// </summary>
     public class OpcUaUtility : OpcUtility
     {
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
         public OpcUaUtility(string connectionString) : base(connectionString)
         {
             Wrapper = new OpcUaProtocal(ConnectionString);
diff --git a/Modbus.Net/Modbus.Net.OPC/OpcUtility.cs b/Modbus.Net/Modbus.Net.OPC/OpcUtility.cs
index 8da536b..050b2e6 100644
--- a/Modbus.Net/Modbus.Net.OPC/OpcUtility.cs
+++ b/Modbus.Net/Modbus.Net.OPC/OpcUtility.cs
@@ -4,25 +4,52 @@ using Serilog;
 
 namespace Modbus.Net.OPC
 {
+    /// <summary>
+    ///     Opc通用Api入口
+    /// </summary>
     public abstract class OpcUtility : BaseUtility<OpcParamIn, OpcParamOut, ProtocalUnit<OpcParamIn, OpcParamOut>>
     {
+        /// <summary>
+        ///     获取分隔符
+        /// </summary>
+        /// <returns>分隔符</returns>
         public delegate char GetSeperatorDelegate();
 
+        /// <summary>
+        ///     构造函数
+        /// </summary>
+        /// <param name="connectionString">连接地址</param>
         protected OpcUtility(string connectionString) : base(0, 0)
         {
             ConnectionString = connectionString;
             AddressTranslator = new AddressTranslatorOpc();
         }
 
+        /// <summary>
+        ///     端格式（大端）
+        /// </summary>
         public override Endian Endian => Endian.BigEndianLsb;
 
+        /// <summary>
+        ///     获取分隔符
+        /// </summary>
         public event GetSeperatorDelegate GetSeperator;
 
+        /// <summary>
+        ///     设置连接方式(Opc忽略该函数)
+        /// </summary>
+        /// <param name="connectionType">连接方式</param>
         public override void SetConnectionType(int connectionType)
         {
-            throw new NotImplementedException();
+            //ignore
         }
 
+        /// <summary>
+        ///     获取数据
+        /// </summary>
+        /// <param name="startAddress">开始地址</param>
+        /// <param name="getByteCount">获取字节数个数</param>
+        /// <returns>接收到的byte数据</returns>
         public override async Task<byte[]> GetDatasAsync(string startAddress, int getByteCount)
         {
             try
@@ -42,6 +69,12 @@ namespace Modbus.Net.OPC
             }
         }
 
+        /// <summary>
+        ///     设置数据
+        /// </summary>
+        /// <param name="startAddress">开始地址</param>
+        /// <param name="setContents">设置数据</param>
+        /// <returns>是否设置成功</returns>
         public override async Task<bool> SetDatasAsync(string startAddress, object[] setContents)
         {
             try