diff --git a/Modbus.Net/Modbus.Net/Interface/IMachine.cs b/Modbus.Net/Modbus.Net/Interface/IMachine.cs
index cdfb9db..f4da644 100644
--- a/Modbus.Net/Modbus.Net/Interface/IMachine.cs
+++ b/Modbus.Net/Modbus.Net/Interface/IMachine.cs
@@ -2,13 +2,6 @@
 
 namespace Modbus.Net
 {
-    /// <summary>
-    ///     设备的抽象
-    /// </summary>
-    public interface IMachine : IMachine<string>
-    {
-    }
-
     /// <summary>
     ///     设备的抽象
     /// </summary>
diff --git a/Modbus.Net/Modbus.Net/Interface/IProtocolFormatting.cs b/Modbus.Net/Modbus.Net/Interface/IProtocolFormatting.cs
index 38c85f7..da89ffa 100644
--- a/Modbus.Net/Modbus.Net/Interface/IProtocolFormatting.cs
+++ b/Modbus.Net/Modbus.Net/Interface/IProtocolFormatting.cs
@@ -1,12 +1,5 @@
 namespace Modbus.Net
 {
-    /// <summary>
-    ///     协议转换的接口
-    /// </summary>
-    public interface IProtocolFormatting : IProtocolFormatting<byte[], byte[]>
-    {
-    }
-
     /// <summary>
     ///     协议转换的接口
     /// </summary>
diff --git a/Samples/MachineJob/Worker.cs b/Samples/MachineJob/Worker.cs
index 2d6e0ca..6881700 100644
--- a/Samples/MachineJob/Worker.cs
+++ b/Samples/MachineJob/Worker.cs
@@ -44,9 +44,9 @@ namespace MachineJob.Service
                 new AddressUnit() { Area = "DB1", Address = 18, DataType = typeof(short), Id = "10", Name = "Test10" }
             };
 
-            IMachine<string> machine = new ModbusMachine<string, string>("ModbusMachine1", ModbusType.Tcp, null, _addresses, true, 1, 2, Endian.BigEndianLsb);
-            IMachine<string> machine2 = new SiemensMachine<string, string>("SiemensMachine1", SiemensType.Tcp, null, SiemensMachineModel.S7_1200, _addresses2, true, 1, 2);
-            IMachine<string> machine3 = new ModbusMachine<string, string>("ModbusMachine2", ModbusType.Rtu, "COM1", _addresses, true, 3, 2);
+            IMachine<string> machine = new ModbusMachine("ModbusMachine1", ModbusType.Tcp, null, _addresses, true, 1, 2, Endian.BigEndianLsb);
+            IMachine<string> machine2 = new SiemensMachine("SiemensMachine1", SiemensType.Tcp, null, SiemensMachineModel.S7_1200, _addresses2, true, 1, 2);
+            IMachine<string> machine3 = new ModbusMachine("ModbusMachine2", ModbusType.Rtu, "COM1", _addresses, true, 3, 2);
             var machines = new List<IMachine<string>>() { machine, machine2, machine3 };
             return Task.Run(() => MultipleMachinesJobScheduler.RunScheduler(machines, async (machine, scheduler) =>
             {