diff --git a/NA200H/ModBus.Net/ComConnector.cs b/NA200H/ModBus.Net/ComConnector.cs
index 511b3d1..6e42326 100644
--- a/NA200H/ModBus.Net/ComConnector.cs
+++ b/NA200H/ModBus.Net/ComConnector.cs
@@ -122,6 +122,7 @@ namespace ModBus.Net
             }
 
             byte[] data = new byte[200];
+            Thread.Sleep(100);
             int i = serialPort1.Read(data, 0, serialPort1.BytesToRead);
             byte[] returndata = new byte[i];
             Array.Copy(data, 0, returndata, 0, i);
diff --git a/NA200H/ModBus.Net/ProtocalLinkerBytesExtend.cs b/NA200H/ModBus.Net/ProtocalLinkerBytesExtend.cs
index 02ad441..f243b1a 100644
--- a/NA200H/ModBus.Net/ProtocalLinkerBytesExtend.cs
+++ b/NA200H/ModBus.Net/ProtocalLinkerBytesExtend.cs
@@ -52,7 +52,7 @@ namespace ModBus.Net
         }
     }
 
-    public class ModbusComProtocalLinkerBytesExtend : ProtocalLinkerBytesExtend
+    public class ModbusRtuProtocalLinkerBytesExtend : ProtocalLinkerBytesExtend
     {
         public override byte[] BytesExtend(byte[] content)
         {
diff --git a/NA200H/NA200H.UI.Console/Program.cs b/NA200H/NA200H.UI.Console/Program.cs
index 5a920cd..c7958b1 100644
--- a/NA200H/NA200H.UI.Console/Program.cs
+++ b/NA200H/NA200H.UI.Console/Program.cs
@@ -90,6 +90,7 @@ namespace NA200H.UI.ConsoleApp
             //先初始化一个协议转换器，这里构造Modbus/Rtu协议。
             BaseProtocal wrapper = new ModbusRtuProtocal();
 
+            /*
             //调用方法一：手动构造
             //第一步：先生成一个输入信息的object数组
             object[] inputObjects = new object[]{(byte)0x02,(byte)0x01,(short)0x00,(short)0x03};
@@ -102,8 +103,15 @@ namespace NA200H.UI.ConsoleApp
             }
             Console.WriteLine();
             Console.Read();
-            Console.Read();
+            Console.Read();*/
 
+            ReadHoldRegisterModbusProtocal.ReadHoldRegisterInputStruct readHoldRegisterInputStruct = new ReadHoldRegisterModbusProtocal.ReadHoldRegisterInputStruct(2, "0", 4);
+            ReadHoldRegisterModbusProtocal.ReadHoldRegisterOutputStruct readHoldRegisterOutputStruct = (ReadHoldRegisterModbusProtocal.ReadHoldRegisterOutputStruct)wrapper.SendReceive(wrapper["ReadHoldRegisterModbusProtocal"], readHoldRegisterInputStruct);
+            for (int i = 0; i < readHoldRegisterOutputStruct.HoldRegisterStatus.Length; i++)
+            {
+                Console.WriteLine(readHoldRegisterOutputStruct.HoldRegisterStatus[i]);
+            }
+            Console.Read();
             /*
             //调用方法二：自动构造
             //第一步：先生成一个输入结构体，然后向这个结构体中填写数据
diff --git a/NA200H/NA200H.UI.WPF/MainWindow.xaml.cs b/NA200H/NA200H.UI.WPF/MainWindow.xaml.cs
index 65ff804..0f0c649 100644
--- a/NA200H/NA200H.UI.WPF/MainWindow.xaml.cs
+++ b/NA200H/NA200H.UI.WPF/MainWindow.xaml.cs
@@ -1,18 +1,7 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 using ModBus.Net;
+using System.Windows;
+
 
 namespace NA200H.UI.WPF
 {
@@ -24,14 +13,14 @@ namespace NA200H.UI.WPF
         public MainWindow()
         {
             InitializeComponent();
-            ModbusTCPProtocal wrapper = new ModbusTCPProtocal();
-            ReadCoilStatusTCPProtocal.ReadCoilStatusInputStruct readCoilStatusInputStruct = new ReadCoilStatusTCPProtocal.ReadCoilStatusInputStruct(11, "Q1", 3);
-            ReadCoilStatusTCPProtocal.ReadCoilStatusOutputStruct readCoilStatusOutputStruct = wrapper.Protocals[ReadCoilStatusTCPProtocal.GetType()].SendReceive(readCoilStatusInputStruct);
-            for (int i = 0; i < readCoilStatusOutputStruct.CoilStatus.Length; i++)
+            BaseProtocal wrapper = new ModbusRtuProtocal();
+            ReadHoldRegisterModbusProtocal.ReadHoldRegisterInputStruct readHoldRegisterInputStruct = new ReadHoldRegisterModbusProtocal.ReadHoldRegisterInputStruct(2, "0", 4);
+            ReadHoldRegisterModbusProtocal.ReadHoldRegisterOutputStruct readHoldRegisterOutputStruct = (ReadHoldRegisterModbusProtocal.ReadHoldRegisterOutputStruct)wrapper.SendReceive(wrapper["ReadHoldRegisterModbusProtocal"], readHoldRegisterInputStruct);
+            for (int i = 0; i < readHoldRegisterOutputStruct.HoldRegisterStatus.Length; i++)
             {
-                System.Console.WriteLine(readCoilStatusOutputStruct.CoilStatus[i]);
+                Console.WriteLine(readHoldRegisterOutputStruct.HoldRegisterStatus[i]);
             }
-            System.Console.Read();
+            Console.Read();
         }
     }
 }