diff --git a/Modbus.Net/Modbus.Net.BigEndian3412/Modbus.Net.BigEndian3412ValueHelper.cs b/Modbus.Net/Modbus.Net.BigEndian3412/Modbus.Net.BigEndian3412ValueHelper.cs
index 3501caa..859d78c 100644
--- a/Modbus.Net/Modbus.Net.BigEndian3412/Modbus.Net.BigEndian3412ValueHelper.cs
+++ b/Modbus.Net/Modbus.Net.BigEndian3412/Modbus.Net.BigEndian3412ValueHelper.cs
@@ -28,9 +28,9 @@ namespace Modbus.Net
         /// <summary>
         ///     是否为大端
         /// </summary>
-        protected new bool LittleEndian => false;
+        public override bool LittleEndian => true;
 
-        protected new bool LittleEndianBit => false;
+        public override bool LittleEndianBit => false;
 
         /// <summary>
         ///     覆盖的获取实例的方法
@@ -154,9 +154,9 @@ namespace Modbus.Net
         /// <summary>
         ///     是否为大端
         /// </summary>
-        protected new bool LittleEndian => true;
+        public override bool LittleEndian => true;
 
-        protected new bool LittleEndianBit => false;
+        public override bool LittleEndianBit => true;
 
         /// <summary>
         ///     覆盖的获取实例的方法
diff --git a/Modbus.Net/Modbus.Net/Helper/ValueHelper.cs b/Modbus.Net/Modbus.Net/Helper/ValueHelper.cs
index d8de9f0..a0d8fb3 100644
--- a/Modbus.Net/Modbus.Net/Helper/ValueHelper.cs
+++ b/Modbus.Net/Modbus.Net/Helper/ValueHelper.cs
@@ -12,6 +12,16 @@ namespace Modbus.Net
     /// </summary>
     public abstract class ValueHelper
     {
+        /// <summary>
+        /// 是否为小端格式
+        /// </summary>
+        public abstract bool LittleEndian { get; }
+
+        /// <summary>
+        /// 位是否为小端格式
+        /// </summary>
+        public abstract bool LittleEndianBit { get; }
+
         /// <summary>
         ///     兼容数据类型对应的字节长度
         /// </summary>
@@ -347,12 +357,12 @@ namespace Modbus.Net
         /// <summary>
         ///     协议中的内容构造是否小端的，默认是小端构造协议。
         /// </summary>
-        public static bool LittleEndian => true;
+        public override bool LittleEndian => true;
 
         /// <summary>
         ///     协议中的比特位内容构造是否小端的，默认是小端构造协议。
         /// </summary>
-        public static bool LittleEndianBit => true;
+        public override bool LittleEndianBit => true;
 
         /// <summary>
         ///     将一个byte数字转换为一个byte元素的数组。
@@ -1228,7 +1238,7 @@ namespace Modbus.Net
         /// <summary>
         ///     是否为大端
         /// </summary>
-        protected new bool LittleEndian => false;
+        public override bool LittleEndian => false;
 
         /// <summary>
         ///     覆盖的获取实例的方法
@@ -1471,12 +1481,12 @@ namespace Modbus.Net
         /// <summary>
         ///     是否为小端
         /// </summary>
-        protected new bool LittleEndian => false;
+        public override bool LittleEndian => false;
 
         /// <summary>
         ///     是否为小端位
         /// </summary>
-        protected new bool LittleEndianBit => false;
+        public override bool LittleEndianBit => false;
 
         /// <summary>
         ///     覆盖的实例获取方法
diff --git a/Modbus.Net/Modbus.Net/Machine/BaseMachine.cs b/Modbus.Net/Modbus.Net/Machine/BaseMachine.cs
index 7fabd1e..ae1df2c 100644
--- a/Modbus.Net/Modbus.Net/Machine/BaseMachine.cs
+++ b/Modbus.Net/Modbus.Net/Machine/BaseMachine.cs
@@ -149,6 +149,10 @@ namespace Modbus.Net
                         var localMainPos = (int)localPos;
                         //字节坐标的子地址位置
                         var localSubPos = (int)((localPos - localMainPos) * 8);
+                        if (ValueHelper.GetInstance(BaseUtility.Endian).LittleEndianBit == true && AddressTranslator.GetAreaByteLength(communicateAddress.Area) > 1 && ValueHelper.ByteLength[address.DataType.FullName] < AddressTranslator.GetAreaByteLength(communicateAddress.Area))
+                        {
+                            localMainPos =(int)(2 * ((int)(localMainPos / AddressTranslator.GetAreaByteLength(communicateAddress.Area)) * AddressTranslator.GetAreaByteLength(communicateAddress.Area)) + (AddressTranslator.GetAreaByteLength(communicateAddress.Area) - 1) - localMainPos); 
+                        }
 
                         //根据类型选择返回结果的键是通讯标识还是地址
                         string key;
diff --git a/Tests/Modbus.Net.Tests/appsettings.default.json b/Tests/Modbus.Net.Tests/appsettings.default.json
index 44e92a9..edc739c 100644
--- a/Tests/Modbus.Net.Tests/appsettings.default.json
+++ b/Tests/Modbus.Net.Tests/appsettings.default.json
@@ -3,7 +3,7 @@
     "TCP": {
       "ConnectionTimeout": "5000",
       "FetchSleepTime": "100",
-      "FullDuplex": "False",
+      "FullDuplex": "True",
       "Modbus": {
         "ModbusPort": "502",
         "IP": "192.168.1.1"
@@ -16,7 +16,7 @@
     "UDP": {
       "ConnectionTimeout": "5000",
       "FetchSleepTime": "100",
-      "FullDuplex": "False",
+      "FullDuplex": "True",
       "Modbus": {
         "ModbusPort": "502",
         "IP": "192.168.1.1"
@@ -46,7 +46,8 @@
       "Host": "opc.tcp://localhost/test"
     },
     "Controller": {
-      "WaitingListCount": "100"
+      "WaitingListCount": "100",
+      "NoResponse": false
     }
   }
 }
\ No newline at end of file