diff --git a/Modbus.Net/CrossLampControl.WebApi/Controllers/CrossLampController.cs b/Modbus.Net/CrossLampControl.WebApi/Controllers/CrossLampController.cs
index 21921e9..532a043 100644
--- a/Modbus.Net/CrossLampControl.WebApi/Controllers/CrossLampController.cs
+++ b/Modbus.Net/CrossLampControl.WebApi/Controllers/CrossLampController.cs
@@ -12,12 +12,16 @@ namespace CrossLampControl.WebApi.Controllers
 {
     public class CrossLampController : ApiController
     {
-        ModbusUtility _utility = new ModbusUtility("COM6", (int)ModbusType.Rtu);
+        ModbusUtility _utility = new ModbusUtility((int)ModbusType.Rtu, "COM3");
         [HttpGet]
         public Lamp GetLamp()
         {
             Lamp light = new Lamp();
-            bool[] lamps = _utility.GetCoils(2, "0", 6);
+            byte[] lampsbyte = _utility.GetDatas(2, (byte)ModbusProtocalReadDataFunctionCode.ReadCoilStatus, "0", 6);
+            bool[] lamps =
+                ValueHelper.Instance.ObjectArrayToDestinationArray<bool>(
+                    ValueHelper.Instance.ByteArrayToObjectArray(lampsbyte,
+                        new KeyValuePair<Type, int>(typeof (bool), 6)));
             if (lamps[0])
             {
                 light.MainLamp = LightLamp.Green.ToString();
diff --git a/Modbus.Net/CrossLampControl.WebApi/信号灯.mwp b/Modbus.Net/CrossLampControl.WebApi/信号灯.mwp
index 599bcfd..bf343d6 100644
Binary files a/Modbus.Net/CrossLampControl.WebApi/信号灯.mwp and b/Modbus.Net/CrossLampControl.WebApi/信号灯.mwp differ
diff --git a/Modbus.Net/ModBus.Net/ValueHelper.cs b/Modbus.Net/ModBus.Net/ValueHelper.cs
index 02b155d..37cf761 100644
--- a/Modbus.Net/ModBus.Net/ValueHelper.cs
+++ b/Modbus.Net/ModBus.Net/ValueHelper.cs
@@ -494,11 +494,14 @@ namespace ModBus.Net
                             }
                             case "System.Boolean":
                             {
+                                
                                 bool[] value = Instance.GetBits(contents, ref count);
-                                for (int j = 0; j < value.Length; j++)
+                                int k = translateUnit.Value - i < 8 ? translateUnit.Value - i : 8;
+                                for (int j = 0; j < k; j++)
                                 {
                                     translation.Add(value[j]);
                                 }
+                                i += 7;
                                 break;
                             }
                             default: