diff --git a/.vs/IoTGateway/DesignTimeBuild/.dtbcache.v2 b/.vs/IoTGateway/DesignTimeBuild/.dtbcache.v2
index e5f9916..d17502c 100644
Binary files a/.vs/IoTGateway/DesignTimeBuild/.dtbcache.v2 and b/.vs/IoTGateway/DesignTimeBuild/.dtbcache.v2 differ
diff --git a/.vs/IoTGateway/project-colors.json b/.vs/IoTGateway/project-colors.json
index 8ead5b4..ab40e60 100644
--- a/.vs/IoTGateway/project-colors.json
+++ b/.vs/IoTGateway/project-colors.json
@@ -130,7 +130,12 @@
       "ProjectGuid": "7752ad8c-04bf-4bd2-9272-cda4f78fa954",
       "DisplayName": "PluginInterface",
       "ColorIndex": 8
+    },
+    "89de240e-5393-4dd4-87c9-3ad9d44b6e7e": {
+      "ProjectGuid": "89de240e-5393-4dd4-87c9-3ad9d44b6e7e",
+      "DisplayName": "WalkingTec.Mvvm.Core",
+      "ColorIndex": 9
     }
   },
-  "NextColorIndex": 9
+  "NextColorIndex": 10
 }
\ No newline at end of file
diff --git a/.vs/IoTGateway/v17/.futdcache.v1 b/.vs/IoTGateway/v17/.futdcache.v1
index 855c04e..192a8d7 100644
Binary files a/.vs/IoTGateway/v17/.futdcache.v1 and b/.vs/IoTGateway/v17/.futdcache.v1 differ
diff --git a/.vs/IoTGateway/v17/.suo b/.vs/IoTGateway/v17/.suo
index 78b6469..70ea09d 100644
Binary files a/.vs/IoTGateway/v17/.suo and b/.vs/IoTGateway/v17/.suo differ
diff --git a/.vs/IoTGateway/v17/fileList.bin b/.vs/IoTGateway/v17/fileList.bin
index 4b52e0a..85df554 100644
Binary files a/.vs/IoTGateway/v17/fileList.bin and b/.vs/IoTGateway/v17/fileList.bin differ
diff --git a/IoTGateway/Startup.cs b/IoTGateway/Startup.cs
index b529133..a25b8f1 100644
--- a/IoTGateway/Startup.cs
+++ b/IoTGateway/Startup.cs
@@ -78,11 +78,12 @@ namespace IoTGateway
             services.AddSingleton<DrvierService>();
             services.AddSingleton<UAService>();
             services.AddSingleton<MyMqttClient>();
+            services.AddSingleton<ModbusSlaveService>();
 
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IOptionsMonitor<Configs> configs, DeviceService deviceService)
+        public void Configure(IApplicationBuilder app, IOptionsMonitor<Configs> configs, DeviceService deviceService, ModbusSlaveService modbusSlaveService)
         {
             IconFontsHelper.GenerateIconFont();
 
diff --git a/IoTGateway/iotgateway.db b/IoTGateway/iotgateway.db
index 132bff3..2bcf722 100644
Binary files a/IoTGateway/iotgateway.db and b/IoTGateway/iotgateway.db differ
diff --git a/Plugins/Plugin/ModbusSlaveService.cs b/Plugins/Plugin/ModbusSlaveService.cs
new file mode 100644
index 0000000..41479ff
--- /dev/null
+++ b/Plugins/Plugin/ModbusSlaveService.cs
@@ -0,0 +1,65 @@
+using Modbus.Data;
+using Modbus.Device;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Plugin
+{
+    public class ModbusSlaveService : IDisposable
+    {
+        TcpListener slaveTcpListener;
+        private Timer m_simulationTimer;
+        private object Lock=new object();
+        private ModbusSlave slave;
+        private Task task { get; set; } = null;
+        public ModbusSlaveService()
+        {
+            byte slaveId = 1;
+            int port = 503;
+            IPAddress address = IPAddress.Any;
+
+            // create and start the TCP slave
+            slaveTcpListener = new TcpListener(address, port);
+            slaveTcpListener.Start();
+            slave = ModbusTcpSlave.CreateTcp(slaveId, slaveTcpListener);
+            slave.DataStore = DataStoreFactory.CreateDefaultDataStore();
+            slave.ListenAsync();
+            m_simulationTimer = new Timer(DoSimulation, null, 1000, 1000);
+        }
+
+        private void DoSimulation(object state)
+        {
+            try
+            {
+                lock (Lock)
+                {
+                    for (int i = 1; i <= 20; i++)
+                    {
+                        if(i != 1|| i != 2|| i != 7)
+                            slave.DataStore.HoldingRegisters[i] = (ushort)new Random().Next(0, short.MaxValue);
+                        slave.DataStore.InputRegisters[i] = (ushort)new Random().Next(0, short.MaxValue);
+                        slave.DataStore.CoilDiscretes[i] = new Random().Next() % 2 == 0;
+                        slave.DataStore.InputDiscretes[i] = new Random().Next() % 2 == 0;
+                    }
+                    slave.DataStore.HoldingRegisters[1] = (ushort)new Random().Next(2000,3000); //前端要用的温度
+                    slave.DataStore.HoldingRegisters[2] = (ushort)new Random().Next(4000, 7000);//湿度
+                    slave.DataStore.HoldingRegisters[7] = (ushort)new Random().Next(0, 10000);//随机值
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"modbus模拟数据失败了,{ex}");
+            }
+        }
+        public void Dispose()
+        {
+            m_simulationTimer.Dispose();
+            slaveTcpListener.Stop();
+        }
+    }
+}
diff --git a/Plugins/Plugin/Plugin.csproj b/Plugins/Plugin/Plugin.csproj
index 5ddbe29..57d1ccd 100644
--- a/Plugins/Plugin/Plugin.csproj
+++ b/Plugins/Plugin/Plugin.csproj
@@ -16,6 +16,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\IoTGateway.DataAccess\IoTGateway.DataAccess.csproj" />
     <ProjectReference Include="..\..\IoTGateway.Model\IoTGateway.Model.csproj" />
+    <ProjectReference Include="..\Drivers\DriverModbusMaster\DriverModbusMaster.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/iotgateway.db b/iotgateway.db
index 132bff3..2bcf722 100644
Binary files a/iotgateway.db and b/iotgateway.db differ