diff --git a/src/JT809.Protocol.Test/JT809.Protocol.Test.csproj b/src/JT809.Protocol.Test/JT809.Protocol.Test.csproj
index 0553d6f..a34e159 100644
--- a/src/JT809.Protocol.Test/JT809.Protocol.Test.csproj
+++ b/src/JT809.Protocol.Test/JT809.Protocol.Test.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netcoreapp2.1</TargetFramework>
diff --git a/src/JT809.Protocol.Test/JT809Extensions/JT809BinaryExtensionsTest.cs b/src/JT809.Protocol.Test/JT809Extensions/JT809BinaryExtensionsTest.cs
new file mode 100644
index 0000000..40ca6a8
--- /dev/null
+++ b/src/JT809.Protocol.Test/JT809Extensions/JT809BinaryExtensionsTest.cs
@@ -0,0 +1,20 @@
+using JT809.Protocol.JT809Extensions;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+
+namespace JT809.Protocol.Test.JT809Extensions
+{
+    public class JT809BinaryExtensionsTest
+    {
+        [Fact]
+        public void Test1()
+        {
+            string vno = "粤A12345";
+            byte[] bytes = JT809BinaryExtensions.encoding.GetBytes(vno);
+            Assert.Equal(7,vno.Length);
+            Assert.Equal(8, bytes.Length);
+        }
+    }
+}
diff --git a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1006Test.cs b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1006Test.cs
new file mode 100644
index 0000000..67f6aa0
--- /dev/null
+++ b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1006Test.cs
@@ -0,0 +1,26 @@
+using JT809.Protocol;
+using JT809.Protocol.JT809Extensions;
+using JT809.Protocol.JT809MessageBody;
+using JT809.Protocol.JT809Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+
+namespace JT809.Protocol.Test.JT809MessageBody
+{
+    public  class JT809_0x1006Test
+    {
+        [Fact]
+        public void Test1()
+        {
+            
+        }
+
+        [Fact]
+        public void Test2()
+        {
+
+        }
+    }
+}
diff --git a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1300Test.cs b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1300Test.cs
new file mode 100644
index 0000000..cafe73a
--- /dev/null
+++ b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1300Test.cs
@@ -0,0 +1,44 @@
+using JT809.Protocol;
+using JT809.Protocol.JT809Extensions;
+using JT809.Protocol.JT809MessageBody;
+using JT809.Protocol.JT809Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+using JT809.Protocol.JT809SubMessageBody;
+
+namespace JT809.Protocol.Test.JT809MessageBody
+{
+    public  class JT809_0x1300Test
+    {
+        [Fact]
+        public void Test1()
+        {
+            JT809_0x1300 jT809Bodies = new JT809_0x1300();
+            jT809Bodies.SubBusinessType = JT809Enums.JT809SubBusinessType.UP_PLATFORM_MSG_POST_QUERY_ACK;
+            jT809Bodies.JT809SubBodies = new JT809_0x1300_0x1301
+            {
+                  ObjectID="111",
+                  InfoContent= "22ha22",
+                  InfoID= 1234,
+                  ObjectType= JT809Enums.JT809_0x1301_ObjectType.当前连接的下级平台
+            };
+            var hex = JT809Serializer.Serialize(jT809Bodies).ToHexString();
+            //"13 01 00 00 00 1B 01 31 31 31 00 00 00 00 00 00 00 00 00 00 00 04 D2 00 00 00 06 32 32 68 61 32 32"
+        }
+
+        [Fact]
+        public void Test2()
+        {
+            var bytes = "13 01 00 00 00 1B 01 31 31 31 00 00 00 00 00 00 00 00 00 00 00 04 D2 00 00 00 06 32 32 68 61 32 32".ToHexBytes();
+            JT809_0x1300 jT809Bodies = JT809Serializer.Deserialize<JT809_0x1300>(bytes);
+            Assert.Equal(JT809Enums.JT809SubBusinessType.UP_PLATFORM_MSG_POST_QUERY_ACK, jT809Bodies.SubBusinessType);
+            JT809_0x1300_0x1301 jT809SubBodies = (JT809_0x1300_0x1301)jT809Bodies.JT809SubBodies;
+            Assert.Equal("111", jT809SubBodies.ObjectID);
+            Assert.Equal("22ha22", jT809SubBodies.InfoContent);
+            Assert.Equal((uint)1234, jT809SubBodies.InfoID);
+            Assert.Equal(JT809Enums.JT809_0x1301_ObjectType.当前连接的下级平台, jT809SubBodies.ObjectType);
+        }
+    }
+}
diff --git a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1600Test.cs b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1600Test.cs
new file mode 100644
index 0000000..6e70e51
--- /dev/null
+++ b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1600Test.cs
@@ -0,0 +1,41 @@
+using JT809.Protocol;
+using JT809.Protocol.JT809Extensions;
+using JT809.Protocol.JT809MessageBody;
+using JT809.Protocol.JT809Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+using JT809.Protocol.JT809SubMessageBody;
+
+namespace JT809.Protocol.Test.JT809MessageBody
+{
+    public class JT809_0x1600Test
+    {
+        [Fact]
+        public void Test1()
+        {
+            JT809_0x1600 jT809Bodies = new JT809_0x1600();
+            jT809Bodies.VehicleNo = "粤A12345";
+            jT809Bodies.VehicleColor = JT809Enums.JT809VehicleColorType.蓝色;
+            jT809Bodies.SubBusinessType = JT809Enums.JT809SubBusinessType.UP_BASE_MSG_VEHICLE_ADDED_ACK;
+            jT809Bodies.JT809SubBodies = new JT809_0x1600_0x1601
+            {
+                CarInfo = "什么鬼"
+            };
+            var hex = JT809Serializer.Serialize(jT809Bodies).ToHexString();
+            //"D4 C1 41 31 32 33 34 35 00 00 00 00 00 00 00 00 00 00 00 00 00 01 16 01 00 00 00 06 CA B2 C3 B4 B9 ED"
+        }
+
+        [Fact]
+        public void Test2()
+        {
+            var bytes = "D4 C1 41 31 32 33 34 35 00 00 00 00 00 00 00 00 00 00 00 00 00 01 16 01 00 00 00 06 CA B2 C3 B4 B9 ED".ToHexBytes();
+            JT809_0x1600 jT809Bodies = JT809Serializer.Deserialize<JT809_0x1600>(bytes);
+            Assert.Equal("粤A12345", jT809Bodies.VehicleNo);
+            Assert.Equal(JT809Enums.JT809VehicleColorType.蓝色, jT809Bodies.VehicleColor);
+            Assert.Equal(JT809Enums.JT809SubBusinessType.UP_BASE_MSG_VEHICLE_ADDED_ACK, jT809Bodies.SubBusinessType);
+            Assert.Equal("什么鬼", ((JT809_0x1600_0x1601)jT809Bodies.JT809SubBodies).CarInfo);
+        }
+    }
+}
diff --git a/src/JT809.Protocol/JT809.Protocol.csproj b/src/JT809.Protocol/JT809.Protocol.csproj
index bc1209b..f5acd13 100644
--- a/src/JT809.Protocol/JT809.Protocol.csproj
+++ b/src/JT809.Protocol/JT809.Protocol.csproj
@@ -3,6 +3,13 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <LangVersion>latest</LangVersion>
+    <Copyright>Copyright 2016-2018.</Copyright>
+    <Authors>SmallChi</Authors>
+    <PackageId>JT809</PackageId>
+    <Product>JT809</Product>
+    <Description>JT809</Description>
+    <PackageReleaseNotes>JT809</PackageReleaseNotes>
+    <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
diff --git a/src/JT809.Protocol/JT809Bodies.cs b/src/JT809.Protocol/JT809Bodies.cs
index 69d1d77..3baba1c 100644
--- a/src/JT809.Protocol/JT809Bodies.cs
+++ b/src/JT809.Protocol/JT809Bodies.cs
@@ -1,10 +1,33 @@
-using System;
+using JT809.Protocol.JT809Attributes;
+using JT809.Protocol.JT809Enums;
+using JT809.Protocol.JT809Formatters;
+using System;
 using System.Collections.Generic;
 using System.Text;
 
 namespace JT809.Protocol
 {
-    public abstract class JT809Bodies
+    public abstract  class JT809Bodies
     {
+        /// <summary>
+        /// 车牌号
+        /// </summary>
+        public string VehicleNo { get; set; }
+        /// <summary>
+        /// 车辆颜色
+        /// </summary>
+        public JT809VehicleColorType VehicleColor { get; set; } = JT809VehicleColorType.其他;
+        /// <summary>
+        /// 子业务类型标识
+        /// </summary>
+        public JT809SubBusinessType SubBusinessType { get; set; } = JT809SubBusinessType.None;
+        /// <summary>
+        /// 后续数据长度
+        /// </summary>
+        public uint DataLength { get; set; }
+        /// <summary>
+        /// 子业务数据体
+        /// </summary>
+        public JT809SubBodies JT809SubBodies { get; set; }
     }
 }
diff --git a/src/JT809.Protocol/JT809Enums/JT809SubBusinessType.cs b/src/JT809.Protocol/JT809Enums/JT809SubBusinessType.cs
index 5f703e1..6648373 100644
--- a/src/JT809.Protocol/JT809Enums/JT809SubBusinessType.cs
+++ b/src/JT809.Protocol/JT809Enums/JT809SubBusinessType.cs
@@ -9,6 +9,7 @@ namespace JT809.Protocol.JT809Enums
     ///</summary>
     public enum JT809SubBusinessType : ushort
     {
+        None=0x0000,
         #region 主链路动态信息交换消息 UP_EXG_MSG
         /// <summary>
         /// 上传车辆注册信息
diff --git a/src/JT809.Protocol/JT809Extensions/JT809BinaryExtensions.cs b/src/JT809.Protocol/JT809Extensions/JT809BinaryExtensions.cs
index 9f7c4fd..0ba8294 100644
--- a/src/JT809.Protocol/JT809Extensions/JT809BinaryExtensions.cs
+++ b/src/JT809.Protocol/JT809Extensions/JT809BinaryExtensions.cs
@@ -43,7 +43,7 @@ namespace JT809.Protocol.JT809Extensions
             }
         }
 
-        private static Encoding encoding;
+        public static Encoding encoding;
 
         public static int ReadBCD32(this byte data, byte dig)
         {
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1006Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809BodiesFormatter.cs
similarity index 51%
rename from src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1006Formatter.cs
rename to src/JT809.Protocol/JT809Formatters/JT809BodiesFormatter.cs
index 5308752..b90849c 100644
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1006Formatter.cs
+++ b/src/JT809.Protocol/JT809Formatters/JT809BodiesFormatter.cs
@@ -2,48 +2,47 @@
 using JT809.Protocol.JT809Enums;
 using JT809.Protocol.JT809Exceptions;
 using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
 using System;
 using System.Buffers;
 using System.Collections.Generic;
 using System.Text;
 
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
+namespace JT809.Protocol.JT809Formatters
 {
-    public class JT809_0x1006Formatter : IJT809Formatter<JT809_0x1006>
+    public class JT809BodiesFormatter<TJT809Bodies> : IJT809Formatter<TJT809Bodies>
+       where TJT809Bodies: JT809Bodies,new ()
     {
-        public JT809_0x1006 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
+        public TJT809Bodies Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
         {
             int offset = 0;
-            JT809_0x1006 jT809_0X1006 = new JT809_0x1006();
-            jT809_0X1006.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
-            jT809_0X1006.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X1006.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X1006.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
+            TJT809Bodies jT809Bodies = new TJT809Bodies();
+            jT809Bodies.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
+            jT809Bodies.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
+            jT809Bodies.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
+            jT809Bodies.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
             //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X1006.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
+            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809Bodies.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
             if (jT809SubBodiesTypeAttribute == null)
             {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X1006.SubBusinessType.ToString()}");
+                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809Bodies.SubBusinessType.ToString()}");
             }
             try
             {
-                jT809_0X1006.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X1006.DataLength), out readSize);
+                jT809Bodies.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809Bodies.DataLength), out readSize);
             }
             catch
             {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X1006.SubBusinessType.ToString()}");
+                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809Bodies.SubBusinessType.ToString()}");
             }
             readSize = offset;
-            return jT809_0X1006;
+            return jT809Bodies;
         }
 
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x1006 value)
+        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, TJT809Bodies value)
         {
             offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
             offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
             offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
             //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
             JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
             if (jT809SubBodiesTypeAttribute == null)
@@ -52,7 +51,11 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
             }
             try
             {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
+                // 先写入内容，然后在根据内容反写内容长度
+                offset = offset + 4;
+                int contentOffset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
+                JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset - 4, (uint)(contentOffset- offset));
+                offset = contentOffset;
             }
             catch
             {
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1200Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1200Formatter.cs
deleted file mode 100644
index 33be53b..0000000
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1200Formatter.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Exceptions;
-using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
-using System;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
-
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
-{
-    public class JT809_0x1200Formatter : IJT809Formatter<JT809_0x1200>
-    {
-        public JT809_0x1200 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
-        {
-            int offset = 0;
-            JT809_0x1200 jT809_0X1200 = new JT809_0x1200();
-            jT809_0X1200.VehicleNo =JT809BinaryExtensions.ReadStringLittle(bytes, ref offset,21);
-            jT809_0X1200.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X1200.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X1200.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X1200.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                 throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X1200.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                jT809_0X1200.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X1200.DataLength), out readSize);
-            }
-            catch 
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X1200.SubBusinessType.ToString()}");
-            }
-            readSize = offset;
-            return jT809_0X1200;
-        }
-
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x1200 value)
-        {
-            offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
-            offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
-            offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{value.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{value.SubBusinessType.ToString()}");
-            }
-            return offset;
-        }
-    }
-}
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1300Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1300Formatter.cs
index fb4ea0d..43c62c9 100644
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1300Formatter.cs
+++ b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1300Formatter.cs
@@ -39,7 +39,7 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
         public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x1300 value)
         {
             offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
+            //offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
             //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
             JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
             if (jT809SubBodiesTypeAttribute == null)
@@ -48,7 +48,11 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
             }
             try
             {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
+                // 先写入内容，然后在根据内容反写内容长度
+                offset = offset + 4;
+                int contentOffset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
+                JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset - 4, (uint)(contentOffset - offset));
+                offset = contentOffset;
             }
             catch
             {
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1400Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1400Formatter.cs
deleted file mode 100644
index 8333a8f..0000000
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1400Formatter.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Exceptions;
-using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
-using System;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
-
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
-{
-    public class JT809_0x1400Formatter : IJT809Formatter<JT809_0x1400>
-    {
-        public JT809_0x1400 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
-        {
-            int offset = 0;
-            JT809_0x1400 jT809_0X1400 = new JT809_0x1400();
-            jT809_0X1400.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
-            jT809_0X1400.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X1400.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X1400.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X1400.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X1400.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                jT809_0X1400.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X1400.DataLength), out readSize);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X1400.SubBusinessType.ToString()}");
-            }
-            readSize = offset;
-            return jT809_0X1400;
-        }
-
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x1400 value)
-        {
-            offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
-            offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
-            offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{value.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{value.SubBusinessType.ToString()}");
-            }
-            return offset;
-        }
-    }
-}
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1500Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1500Formatter.cs
deleted file mode 100644
index fc84cb3..0000000
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1500Formatter.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Exceptions;
-using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
-using System;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
-
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
-{
-    public class JT809_0x1500Formatter : IJT809Formatter<JT809_0x1500>
-    {
-        public JT809_0x1500 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
-        {
-            int offset = 0;
-            JT809_0x1500 jT809_0X1500 = new JT809_0x1500();
-            jT809_0X1500.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
-            jT809_0X1500.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X1500.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X1500.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X1500.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X1500.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                jT809_0X1500.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X1500.DataLength), out readSize);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X1500.SubBusinessType.ToString()}");
-            }
-            readSize = offset;
-            return jT809_0X1500;
-        }
-
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x1500 value)
-        {
-            offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
-            offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
-            offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{value.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{value.SubBusinessType.ToString()}");
-            }
-            return offset;
-        }
-    }
-}
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1600Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1600Formatter.cs
deleted file mode 100644
index 678e4b1..0000000
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1600Formatter.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Exceptions;
-using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
-using System;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
-
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
-{
-    public class JT809_0x1600Formatter : IJT809Formatter<JT809_0x1600>
-    {
-        public JT809_0x1600 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
-        {
-            int offset = 0;
-            JT809_0x1600 jT809_0X1600 = new JT809_0x1600();
-            jT809_0X1600.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
-            jT809_0X1600.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X1600.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X1600.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X1600.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X1600.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                jT809_0X1600.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X1600.DataLength), out readSize);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X1600.SubBusinessType.ToString()}");
-            }
-            readSize = offset;
-            return jT809_0X1600;
-        }
-
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x1600 value)
-        {
-            offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
-            offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
-            offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{value.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{value.SubBusinessType.ToString()}");
-            }
-            return offset;
-        }
-    }
-}
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9200Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9200Formatter.cs
deleted file mode 100644
index dbe687c..0000000
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9200Formatter.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Exceptions;
-using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
-using System;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
-
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
-{
-    public class JT809_0x9200Formatter : IJT809Formatter<JT809_0x9200>
-    {
-        public JT809_0x9200 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
-        {
-            int offset = 0;
-            JT809_0x9200 jT809_0X9200 = new JT809_0x9200();
-            jT809_0X9200.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
-            jT809_0X9200.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X9200.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X9200.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X9200.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X9200.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                jT809_0X9200.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X9200.DataLength), out readSize);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X9200.SubBusinessType.ToString()}");
-            }
-            readSize = offset;
-            return jT809_0X9200;
-        }
-
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x9200 value)
-        {
-            offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
-            offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
-            offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{value.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{value.SubBusinessType.ToString()}");
-            }
-            return offset;
-        }
-    }
-}
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9300Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9300Formatter.cs
index 32d786d..7d32c1e 100644
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9300Formatter.cs
+++ b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9300Formatter.cs
@@ -39,7 +39,7 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
         public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x9300 value)
         {
             offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
+            //offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
             //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
             JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
             if (jT809SubBodiesTypeAttribute == null)
@@ -48,7 +48,11 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
             }
             try
             {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
+                // 先写入内容，然后在根据内容反写内容长度
+                offset = offset + 4;
+                int contentOffset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
+                JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset - 4, (uint)(contentOffset - offset));
+                offset = contentOffset;
             }
             catch
             {
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9400Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9400Formatter.cs
deleted file mode 100644
index 081fab2..0000000
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9400Formatter.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Exceptions;
-using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
-using System;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
-
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
-{
-    public class JT809_0x9400Formatter : IJT809Formatter<JT809_0x9400>
-    {
-        public JT809_0x9400 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
-        {
-            int offset = 0;
-            JT809_0x9400 jT809_0X9400 = new JT809_0x9400();
-            jT809_0X9400.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
-            jT809_0X9400.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X9400.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X9400.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X9400.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X9400.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                jT809_0X9400.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X9400.DataLength), out readSize);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X9400.SubBusinessType.ToString()}");
-            }
-            readSize = offset;
-            return jT809_0X9400;
-        }
-
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x9400 value)
-        {
-            offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
-            offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
-            offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{value.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{value.SubBusinessType.ToString()}");
-            }
-            return offset;
-        }
-    }
-}
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9500Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9500Formatter.cs
deleted file mode 100644
index 9303a30..0000000
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9500Formatter.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Exceptions;
-using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
-using System;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
-
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
-{
-    public class JT809_0x9500Formatter : IJT809Formatter<JT809_0x9500>
-    {
-        public JT809_0x9500 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
-        {
-            int offset = 0;
-            JT809_0x9500 jT809_0X9500 = new JT809_0x9500();
-            jT809_0X9500.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
-            jT809_0X9500.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X9500.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X9500.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X9500.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X9500.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                jT809_0X9500.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X9500.DataLength), out readSize);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X9500.SubBusinessType.ToString()}");
-            }
-            readSize = offset;
-            return jT809_0X9500;
-        }
-
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x9500 value)
-        {
-            offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
-            offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
-            offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{value.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{value.SubBusinessType.ToString()}");
-            }
-            return offset;
-        }
-    }
-}
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9600Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9600Formatter.cs
deleted file mode 100644
index 0010368..0000000
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9600Formatter.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Exceptions;
-using JT809.Protocol.JT809Extensions;
-using JT809.Protocol.JT809MessageBody;
-using System;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
-
-namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
-{
-    public class JT809_0x9600Formatter : IJT809Formatter<JT809_0x9600>
-    {
-        public JT809_0x9600 Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
-        {
-            int offset = 0;
-            JT809_0x9600 jT809_0X9600 = new JT809_0x9600();
-            jT809_0X9600.VehicleNo = JT809BinaryExtensions.ReadStringLittle(bytes, ref offset, 21);
-            jT809_0X9600.VehicleColor = (JT809VehicleColorType)JT809BinaryExtensions.ReadByteLittle(bytes, ref offset);
-            jT809_0X9600.SubBusinessType = (JT809SubBusinessType)JT809BinaryExtensions.ReadUInt16Little(bytes, ref offset);
-            jT809_0X9600.DataLength = JT809BinaryExtensions.ReadUInt32Little(bytes, ref offset);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = jT809_0X9600.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{jT809_0X9600.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                jT809_0X9600.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X9600.DataLength), out readSize);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{jT809_0X9600.SubBusinessType.ToString()}");
-            }
-            readSize = offset;
-            return jT809_0X9600;
-        }
-
-        public int Serialize(IMemoryOwner<byte> memoryOwner, int offset, JT809_0x9600 value)
-        {
-            offset += JT809BinaryExtensions.WriteStringLittle(memoryOwner, offset, value.VehicleNo, 21);
-            offset += JT809BinaryExtensions.WriteByteLittle(memoryOwner, offset, (byte)value.VehicleColor);
-            offset += JT809BinaryExtensions.WriteUInt16Little(memoryOwner, offset, (ushort)value.SubBusinessType);
-            offset += JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset, value.DataLength);
-            //JT809.Protocol.JT809Enums.JT809BusinessType 映射对应消息特性
-            JT809BodiesTypeAttribute jT809SubBodiesTypeAttribute = value.SubBusinessType.GetAttribute<JT809BodiesTypeAttribute>();
-            if (jT809SubBodiesTypeAttribute == null)
-            {
-                throw new JT809Exception(JT809ErrorCode.GetAttributeError, $"JT809BodiesTypeAttribute Not Found>{value.SubBusinessType.ToString()}");
-            }
-            try
-            {
-                offset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.JT809SubBodies);
-            }
-            catch
-            {
-                throw new JT809Exception(JT809ErrorCode.SubBodiesParseError, $"SubBusinessType>{value.SubBusinessType.ToString()}");
-            }
-            return offset;
-        }
-    }
-}
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1006.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1006.cs
index 0fab2b9..dbd8386 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1006.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1006.cs
@@ -1,7 +1,5 @@
-using JT809.Protocol.JT809Enums;
-using System;
-using System.Collections.Generic;
-using System.Text;
+using JT809.Protocol.JT809Attributes;
+using JT809.Protocol.JT809Formatters;
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -13,27 +11,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>描述:上级平台收到下级平台的主链路连接保持请求消息后，向下级平台返回.主链路连接保持应答消息，保持主链路的连接状态。</para>
     /// <para>主链路连接保持应答消息,数据体为空。</para>
     /// </summary>
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x1006>))]
     public class JT809_0x1006:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1200.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1200.cs
index 92cf7bc..2ae9a7b 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1200.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1200.cs
@@ -1,9 +1,6 @@
 using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
-using System;
-using System.Collections.Generic;
-using System.Text;
+using JT809.Protocol.JT809Formatters;
+
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -14,28 +11,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>业务数据类型标识:UP_EXG_MSG</para>
     /// <para>描述:下级平台向上级平台发送车辆动态信息交换业务数据包</para>
     /// </summary>
-    [JT809Formatter(typeof(JT809_0x1200Formatter))]
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x1200>))]
     public class JT809_0x1200:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1300.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1300.cs
index 3136f9c..85650a7 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1300.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1300.cs
@@ -1,7 +1,6 @@
-using JT809.Protocol.JT809Enums;
-using System;
-using System.Collections.Generic;
-using System.Text;
+using JT809.Protocol.JT809Attributes;
+using JT809.Protocol.JT809Formatters;
+using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -12,19 +11,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>业务数据类型标识:UP_PLATFORM_MSG</para>
     /// <para>描述:下级平台向上级平台发送平台间交互信息</para>
     /// </summary>
+    [JT809Formatter(typeof(JT809_0x1300Formatter))]
     public class JT809_0x1300:JT809Bodies
     {
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1400.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1400.cs
index 8979616..bce5a89 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1400.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1400.cs
@@ -1,9 +1,6 @@
 using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
-using System;
-using System.Collections.Generic;
-using System.Text;
+using JT809.Protocol.JT809Formatters;
+
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -15,28 +12,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>业务数据类型标识:UP_WARN_MSG</para>
     /// <para>描述:下级平台向上级平台发送车辆报警信息业务</para>
     /// </summary>
-    [JT809Formatter(typeof(JT809_0x1400Formatter))]
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x1400>))]
     public class JT809_0x1400:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1500.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1500.cs
index 863e5d7..a7fa1b0 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1500.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1500.cs
@@ -1,9 +1,6 @@
 using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
-using System;
-using System.Collections.Generic;
-using System.Text;
+using JT809.Protocol.JT809Formatters;
+
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -14,28 +11,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>业务数据类型标识:UP_CTRL_MSG</para>
     /// <para>描述:下级平台向上级平台发送车辆监管业务</para>
     /// </summary>
-    [JT809Formatter(typeof(JT809_0x1500Formatter))]
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x1500>))]
     public class JT809_0x1500:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1600.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1600.cs
index 0f92142..6ff3410 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1600.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1600.cs
@@ -1,9 +1,6 @@
 using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
-using System;
-using System.Collections.Generic;
-using System.Text;
+using JT809.Protocol.JT809Formatters;
+
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -14,28 +11,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>消息方向:下级平台往上级平台</para>
     /// <para>描述:下级平台向上级平台发送车辆睁态信息交换业务</para>
     /// </summary>
-    [JT809Formatter(typeof(JT809_0x1600Formatter))]
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x1600>))]
     public class JT809_0x1600:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9200.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9200.cs
index 57562b0..55f397d 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9200.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9200.cs
@@ -1,9 +1,6 @@
 using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
-using System;
-using System.Collections.Generic;
-using System.Text;
+using JT809.Protocol.JT809Formatters;
+
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -14,28 +11,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>业务数据类型标识:DOWN_EXG_MSG</para>
     /// <para>描述:上级平台作为客户端向下级平台服务端发送车辆动态信息交换业务</para>
     /// </summary>
-    [JT809Formatter(typeof(JT809_0x9200Formatter))]
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x9200>))]
     public class JT809_0x9200:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9300.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9300.cs
index e1642be..8182731 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9300.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9300.cs
@@ -1,9 +1,6 @@
 using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
+using JT809.Protocol.JT809Formatters;
 using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -17,17 +14,6 @@ namespace JT809.Protocol.JT809MessageBody
     [JT809Formatter(typeof(JT809_0x9300Formatter))]
     public class JT809_0x9300:JT809Bodies
     {
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9400.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9400.cs
index bb4944c..022e305 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9400.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9400.cs
@@ -1,5 +1,6 @@
 using JT809.Protocol.JT809Attributes;
 using JT809.Protocol.JT809Enums;
+using JT809.Protocol.JT809Formatters;
 using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
 using System;
 using System.Collections.Generic;
@@ -14,28 +15,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>业务数据类型标识:DOWN_WARN_MSG</para>
     /// <para>描述：上级平台向下级平台发送报瞥信息业务</para>
     /// </summary>
-    [JT809Formatter(typeof(JT809_0x9400Formatter))]
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x9400>))]
     public class JT809_0x9400:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9500.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9500.cs
index fd20f19..b640b54 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9500.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9500.cs
@@ -1,9 +1,6 @@
 using JT809.Protocol.JT809Attributes;
-using JT809.Protocol.JT809Enums;
-using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
-using System;
-using System.Collections.Generic;
-using System.Text;
+using JT809.Protocol.JT809Formatters;
+
 
 namespace JT809.Protocol.JT809MessageBody
 {
@@ -14,28 +11,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>业务数据类型标识:DOWN_CTRL_MSG</para>
     /// <para>描述:上级平台向下级平台发送车辆监监管业务</para>
     /// </summary>
-    [JT809Formatter(typeof(JT809_0x9500Formatter))]
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x9500>))]
     public class JT809_0x9500:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9600.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9600.cs
index 72aff60..6f96fb0 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9600.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9600.cs
@@ -1,5 +1,6 @@
 using JT809.Protocol.JT809Attributes;
 using JT809.Protocol.JT809Enums;
+using JT809.Protocol.JT809Formatters;
 using JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters;
 using System;
 using System.Collections.Generic;
@@ -14,28 +15,9 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>业务数据类型标识:DOWN_BASE_MSG</para>
     /// <para>描述:上级平台向下级平台发送车辆静态信息交换业务</para>
     /// </summary>
-    [JT809Formatter(typeof(JT809_0x9600Formatter))]
+    [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x9600>))]
     public class JT809_0x9600:JT809Bodies
     {
-        /// <summary>
-        /// 车牌号
-        /// </summary>
-        public string VehicleNo { get; set; }
-        /// <summary>
-        /// 车辆颜色
-        /// </summary>
-        public JT809VehicleColorType VehicleColor { get; set; }
-        /// <summary>
-        /// 子业务类型标识
-        /// </summary>
-        public JT809SubBusinessType SubBusinessType { get; set; }
-        /// <summary>
-        /// 后续数据长度
-        /// </summary>
-        public uint DataLength { get; set; }
-        /// <summary>
-        /// 子业务数据体
-        /// </summary>
-        public JT809SubBodies JT809SubBodies { get; set; }
+        
     }
 }