diff --git a/README.md b/README.md
index e36ed60..30e3fab 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ jT809Package.Header = new JT809Header
     MsgGNSSCENTERID = 20180920,
 };
 
-jT809Package.Bodies = new JT809_0x9400
+JT809_0x9400 bodies = new JT809_0x9400
 {
     VehicleNo="粤A12345",
     VehicleColor= JT809Enums.JT809VehicleColorType.黄色,
@@ -95,7 +95,9 @@ JT809_0x9400_0x9401 jT809_0x9400_0x9401 = new JT809_0x9400_0x9401
     SupervisorEmail = "123456@qq.com"
 };
 
-jT809Package.Bodies.JT809SubBodies = jT809_0x9400_0x9401;
+bodies.SubBodies = jT809_0x9400_0x9401;
+
+jT809Package.Bodies = bodies;
 
 byte[] data = JT809Serializer.Serialize(jT809Package);
 
diff --git a/src/JT809.Protocol.Benchmark/JT809SerializerContext.cs b/src/JT809.Protocol.Benchmark/JT809SerializerContext.cs
index 48dbec8..37492c8 100644
--- a/src/JT809.Protocol.Benchmark/JT809SerializerContext.cs
+++ b/src/JT809.Protocol.Benchmark/JT809SerializerContext.cs
@@ -55,7 +55,7 @@ namespace JT809.Protocol.Benchmark
                     MsgGNSSCENTERID = 20180920,
                 };
 
-                jT809Package.Bodies = new JT809_0x9400
+                JT809_0x9400 bodies = new JT809_0x9400
                 {
                     VehicleNo = "粤A12345",
                     VehicleColor = JT809Enums.JT809VehicleColorType.黄色,
@@ -74,8 +74,8 @@ namespace JT809.Protocol.Benchmark
                     SupervisorTel = "12345678901",
                     SupervisorEmail = "123456@qq.com"
                 };
-                jT809Package.Bodies.JT809SubBodies = jT809_0x9400_0x9401;
-
+                bodies.SubBodies = jT809_0x9400_0x9401;
+                jT809Package.Bodies = bodies;
                 var hex = JT809Serializer.Serialize(jT809Package);
             }
         }
diff --git a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1200Test.cs b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1200Test.cs
index 6bc9587..9b4ae67 100644
--- a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1200Test.cs
+++ b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1200Test.cs
@@ -28,7 +28,7 @@ namespace JT809.Protocol.Test.JT809MessageBody
                 TerminalModelType = "11111111",
                 TerminalSimCode = "222222222222"
             };
-            jT809_0X1200.JT809SubBodies = jT809_0X1200_0X1201;
+            jT809_0X1200.SubBodies = jT809_0X1200_0X1201;
             var hex = JT809Serializer.Serialize(jT809_0X1200).ToHexString();
             //"D4 C1 41 31 32 33 34 35 00 00 00 00 00 00 00 00 00 00 00 00 00 01 12 01 00 00 00 3D 00 00 00 00 00 00 00 42 3A 35 C7 00 00 00 00 00 00 00 42 3A 35 C7 31 31 31 31 31 31 31 31 00 00 00 00 00 00 00 00 00 00 00 00 31 31 31 31 31 41 41 32 32 32 32 32 32 32 32 32 32 32 32"
             //"D4 C1 41 31 32 33 34 35 00 00 00 00 00 00 00 00 00 00 00 00 00 01 12 01 00 00 00 3D 00 00 00 00 00 00 00 42 3A 35 C7 00 00 00 00 00 00 00 42 3A 35 C7 31 31 31 31 31 31 31 31 00 00 00 00 00 00 00 00 00 00 00 00 31 31 31 31 31 61 61 32 32 32 32 32 32 32 32 32 32 32 32"
@@ -43,7 +43,7 @@ namespace JT809.Protocol.Test.JT809MessageBody
             Assert.Equal(JT809Enums.JT809VehicleColorType.蓝色, jT809_0X9001.VehicleColor);
             Assert.Equal(JT809Enums.JT809SubBusinessType.上传车辆注册信息, jT809_0X9001.SubBusinessType);
             Assert.Equal((ushort)61, jT809_0X9001.DataLength);
-            JT809_0x1200_0x1201 jT809_0X1200_0X1201 = jT809_0X9001.JT809SubBodies as JT809_0x1200_0x1201;
+            JT809_0x1200_0x1201 jT809_0X1200_0X1201 = jT809_0X9001.SubBodies as JT809_0x1200_0x1201;
             Assert.Equal("1111111111", jT809_0X1200_0X1201.PlateformId);
             Assert.Equal("1111111111", jT809_0X1200_0X1201.ProducerId);
             Assert.Equal("11111AA", jT809_0X1200_0X1201.TerminalId);
diff --git a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1300Test.cs b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1300Test.cs
index 1ce2189..aa06da0 100644
--- a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1300Test.cs
+++ b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1300Test.cs
@@ -17,7 +17,7 @@ namespace JT809.Protocol.Test.JT809MessageBody
         {
             JT809_0x1300 jT809Bodies = new JT809_0x1300();
             jT809Bodies.SubBusinessType = JT809Enums.JT809SubBusinessType.平台查岗应答;
-            jT809Bodies.JT809SubBodies = new JT809_0x1300_0x1301
+            jT809Bodies.SubBodies = new JT809_0x1300_0x1301
             {
                   ObjectID="111",
                   InfoContent= "22ha22",
@@ -34,7 +34,7 @@ namespace JT809.Protocol.Test.JT809MessageBody
             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.平台查岗应答, jT809Bodies.SubBusinessType);
-            JT809_0x1300_0x1301 jT809SubBodies = (JT809_0x1300_0x1301)jT809Bodies.JT809SubBodies;
+            JT809_0x1300_0x1301 jT809SubBodies = (JT809_0x1300_0x1301)jT809Bodies.SubBodies;
             Assert.Equal("111", jT809SubBodies.ObjectID);
             Assert.Equal("22ha22", jT809SubBodies.InfoContent);
             Assert.Equal((uint)1234, jT809SubBodies.InfoID);
diff --git a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1600Test.cs b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1600Test.cs
index d797f91..26a58ed 100644
--- a/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1600Test.cs
+++ b/src/JT809.Protocol.Test/JT809MessageBody/JT809_0x1600Test.cs
@@ -19,7 +19,7 @@ namespace JT809.Protocol.Test.JT809MessageBody
             jT809Bodies.VehicleNo = "粤A12345";
             jT809Bodies.VehicleColor = JT809Enums.JT809VehicleColorType.蓝色;
             jT809Bodies.SubBusinessType = JT809Enums.JT809SubBusinessType.补报车辆静态信息应答;
-            jT809Bodies.JT809SubBodies = new JT809_0x1600_0x1601
+            jT809Bodies.SubBodies = new JT809_0x1600_0x1601
             {
                 CarInfo = "什么鬼"
             };
@@ -35,7 +35,7 @@ namespace JT809.Protocol.Test.JT809MessageBody
             Assert.Equal("粤A12345", jT809Bodies.VehicleNo);
             Assert.Equal(JT809Enums.JT809VehicleColorType.蓝色, jT809Bodies.VehicleColor);
             Assert.Equal(JT809Enums.JT809SubBusinessType.补报车辆静态信息应答, jT809Bodies.SubBusinessType);
-            Assert.Equal("什么鬼", ((JT809_0x1600_0x1601)jT809Bodies.JT809SubBodies).CarInfo);
+            Assert.Equal("什么鬼", ((JT809_0x1600_0x1601)jT809Bodies.SubBodies).CarInfo);
         }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809Packages/JT809_0x9400_0x9401PackageTest.cs b/src/JT809.Protocol.Test/JT809Packages/JT809_0x9400_0x9401PackageTest.cs
index 58cd751..2affc45 100644
--- a/src/JT809.Protocol.Test/JT809Packages/JT809_0x9400_0x9401PackageTest.cs
+++ b/src/JT809.Protocol.Test/JT809Packages/JT809_0x9400_0x9401PackageTest.cs
@@ -27,7 +27,7 @@ namespace JT809.Protocol.Test.JT809Packages
                 MsgGNSSCENTERID = 20180920,
             };
 
-            jT809Package.Bodies = new JT809_0x9400
+            JT809_0x9400 bodies = new JT809_0x9400
             {
                   VehicleNo="粤A12345",
                   VehicleColor= JT809Enums.JT809VehicleColorType.黄色,
@@ -46,8 +46,8 @@ namespace JT809.Protocol.Test.JT809Packages
                 SupervisorTel = "12345678901",
                 SupervisorEmail = "123456@qq.com"
             };
-            jT809Package.Bodies.JT809SubBodies = jT809_0x9400_0x9401;
-
+            bodies.SubBodies = jT809_0x9400_0x9401;
+            jT809Package.Bodies = bodies;
             var hex = JT809Serializer.Serialize(jT809Package).ToHexString();
             //"5B 00 00 00 92 00 00 06 82 94 00 01 33 EF B8 01 00 00 00 00 00 27 0F D4 C1 41 31 32 33 34 35 00 00 00 00 00 00 00 00 00 00 00 00 00 02 94 01 00 00 00 5C 01 00 02 00 00 00 00 5A 01 AC 3F 40 12 3F FA A1 00 00 00 00 5A 01 AC 4D 50 03 73 6D 61 6C 6C 63 68 69 00 00 00 00 00 00 00 00 31 32 33 34 35 36 37 38 39 30 31 00 00 00 00 00 00 00 00 00 31 32 33 34 35 36 40 71 71 2E 63 6F 6D 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 BA D8 5D"
         }
@@ -72,7 +72,7 @@ namespace JT809.Protocol.Test.JT809Packages
             Assert.Equal(JT809Enums.JT809SubBusinessType.报警督办请求, jT809_0X400.SubBusinessType);
             Assert.Equal((uint)92, jT809_0X400.DataLength);
 
-            JT809_0x9400_0x9401 jT809_0x9400_0x9401 = (JT809_0x9400_0x9401)jT809_0X400.JT809SubBodies;
+            JT809_0x9400_0x9401 jT809_0x9400_0x9401 = (JT809_0x9400_0x9401)jT809_0X400.SubBodies;
             Assert.Equal(JT809WarnSrc.车载终端, jT809_0x9400_0x9401.WarnSrc);
             Assert.Equal(JT809WarnType.疲劳驾驶报警, jT809_0x9400_0x9401.WarnType);
             Assert.Equal(DateTime.Parse("2018-09-27 10:24:00"), jT809_0x9400_0x9401.WarnTime);
@@ -97,7 +97,7 @@ namespace JT809.Protocol.Test.JT809Packages
                 VehicleNo = "粤A12345",
                 VehicleColor = JT809Enums.JT809VehicleColorType.黄色,
                 SubBusinessType = JT809Enums.JT809SubBusinessType.报警督办请求,
-                JT809SubBodies = new JT809_0x9400_0x9401
+                SubBodies = new JT809_0x9400_0x9401
                 {
                      WarnSrc = JT809WarnSrc.车载终端,
                      WarnType = JT809WarnType.疲劳驾驶报警,
diff --git a/src/JT809.Protocol/JT809.Protocol.csproj b/src/JT809.Protocol/JT809.Protocol.csproj
index 22af396..e61c790 100644
--- a/src/JT809.Protocol/JT809.Protocol.csproj
+++ b/src/JT809.Protocol/JT809.Protocol.csproj
@@ -14,7 +14,7 @@
     <PackageProjectUrl>https://github.com/SmallChi/JT809</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/SmallChi/JT809/blob/master/LICENSE</PackageLicenseUrl>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>1.0.2</Version>
+    <Version>1.0.3</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
diff --git a/src/JT809.Protocol/JT809Bodies.cs b/src/JT809.Protocol/JT809Bodies.cs
index 3baba1c..588faff 100644
--- a/src/JT809.Protocol/JT809Bodies.cs
+++ b/src/JT809.Protocol/JT809Bodies.cs
@@ -9,25 +9,6 @@ namespace JT809.Protocol
 {
     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/JT809ExchangeMessageBodies.cs b/src/JT809.Protocol/JT809ExchangeMessageBodies.cs
new file mode 100644
index 0000000..e8de3f3
--- /dev/null
+++ b/src/JT809.Protocol/JT809ExchangeMessageBodies.cs
@@ -0,0 +1,36 @@
+using JT809.Protocol.JT809Attributes;
+using JT809.Protocol.JT809Enums;
+using JT809.Protocol.JT809Formatters;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT809.Protocol
+{
+    /// <summary>
+    /// 交换信息体
+    /// </summary>
+    public abstract  class JT809ExchangeMessageBodies: 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 SubBodies { get; set; }
+    }
+}
diff --git a/src/JT809.Protocol/JT809Extensions/JT809PackageExtensions.cs b/src/JT809.Protocol/JT809Extensions/JT809PackageExtensions.cs
index 65c6f78..ec5fb56 100644
--- a/src/JT809.Protocol/JT809Extensions/JT809PackageExtensions.cs
+++ b/src/JT809.Protocol/JT809Extensions/JT809PackageExtensions.cs
@@ -7,13 +7,6 @@ namespace JT809.Protocol.JT809Extensions
 {
     public static class JT809PackageExtensions
     {
-        /// <summary>
-        /// 创建JT809Package对应的数据体
-        /// </summary>
-        /// <typeparam name="TJT809Bodies"></typeparam>
-        /// <param name="msgID"></param>
-        /// <param name="jT809Bodies"></param>
-        /// <returns></returns>
         public static JT809Package Create<TJT809Bodies>(this JT809BusinessType jT809BusinessType, TJT809Bodies jT809Bodies)
             where TJT809Bodies: JT809Bodies
         {
@@ -30,11 +23,7 @@ namespace JT809.Protocol.JT809Extensions
              };
             return jT809Package;
         }
-        /// <summary>
-        /// 创建JT809Package对应的数据体
-        /// </summary>
-        /// <param name="jt809BusinessType"></param>
-        /// <returns></returns>
+
         public static JT809Package Create(this JT809BusinessType jT809BusinessType)
         {
             JT809Package jT809Package = new JT809Package();
diff --git a/src/JT809.Protocol/JT809Formatters/JT809BodiesFormatter.cs b/src/JT809.Protocol/JT809Formatters/JT809BodiesFormatter.cs
index b90849c..b65bf9e 100644
--- a/src/JT809.Protocol/JT809Formatters/JT809BodiesFormatter.cs
+++ b/src/JT809.Protocol/JT809Formatters/JT809BodiesFormatter.cs
@@ -10,7 +10,7 @@ using System.Text;
 namespace JT809.Protocol.JT809Formatters
 {
     public class JT809BodiesFormatter<TJT809Bodies> : IJT809Formatter<TJT809Bodies>
-       where TJT809Bodies: JT809Bodies,new ()
+       where TJT809Bodies: JT809ExchangeMessageBodies, new ()
     {
         public TJT809Bodies Deserialize(ReadOnlySpan<byte> bytes, out int readSize)
         {
@@ -28,7 +28,7 @@ namespace JT809.Protocol.JT809Formatters
             }
             try
             {
-                jT809Bodies.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809Bodies.DataLength), out readSize);
+                jT809Bodies.SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809Bodies.DataLength), out readSize);
             }
             catch
             {
@@ -53,7 +53,7 @@ namespace JT809.Protocol.JT809Formatters
             {
                 // 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);
+                int contentOffset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.SubBodies);
                 JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset - 4, (uint)(contentOffset- offset));
                 offset = contentOffset;
             }
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1300Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1300Formatter.cs
index 43c62c9..e552469 100644
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1300Formatter.cs
+++ b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x1300Formatter.cs
@@ -26,7 +26,7 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
             }
             try
             {
-                jT809_0X1300.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X1300.DataLength), out readSize);
+                jT809_0X1300.SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X1300.DataLength), out readSize);
             }
             catch
             {
@@ -50,7 +50,7 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
             {
                 // 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);
+                int contentOffset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.SubBodies);
                 JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset - 4, (uint)(contentOffset - offset));
                 offset = contentOffset;
             }
diff --git a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9300Formatter.cs b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9300Formatter.cs
index 7d32c1e..35e10df 100644
--- a/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9300Formatter.cs
+++ b/src/JT809.Protocol/JT809Formatters/JT809MessageBodyFormatters/JT809_0x9300Formatter.cs
@@ -26,7 +26,7 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
             }
             try
             {
-                jT809_0X9300.JT809SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X9300.DataLength), out readSize);
+                jT809_0X9300.SubBodies = JT809FormatterResolverExtensions.JT809DynamicDeserialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), bytes.Slice(offset, (int)jT809_0X9300.DataLength), out readSize);
             }
             catch
             {
@@ -50,7 +50,7 @@ namespace JT809.Protocol.JT809Formatters.JT809MessageBodyFormatters
             {
                 // 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);
+                int contentOffset = JT809FormatterResolverExtensions.JT809DynamicSerialize(JT809FormatterExtensions.GetFormatter(jT809SubBodiesTypeAttribute.JT809BodiesType), memoryOwner, offset, value.SubBodies);
                 JT809BinaryExtensions.WriteUInt32Little(memoryOwner, offset - 4, (uint)(contentOffset - offset));
                 offset = contentOffset;
             }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1200.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1200.cs
index 2ae9a7b..bc209d2 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1200.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1200.cs
@@ -12,7 +12,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <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(JT809BodiesFormatter<JT809_0x1200>))]
-    public class JT809_0x1200:JT809Bodies
+    public class JT809_0x1200: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1300.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1300.cs
index 85650a7..c3cf12f 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1300.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1300.cs
@@ -12,7 +12,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <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
+    public class JT809_0x1300: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1400.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1400.cs
index bce5a89..f1df7c5 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1400.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1400.cs
@@ -13,7 +13,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <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(JT809BodiesFormatter<JT809_0x1400>))]
-    public class JT809_0x1400:JT809Bodies
+    public class JT809_0x1400: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1500.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1500.cs
index a7fa1b0..65641b7 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1500.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1500.cs
@@ -12,7 +12,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>描述:下级平台向上级平台发送车辆监管业务</para>
     /// </summary>
     [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x1500>))]
-    public class JT809_0x1500:JT809Bodies
+    public class JT809_0x1500: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x1600.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x1600.cs
index 6ff3410..a9626d1 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x1600.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x1600.cs
@@ -12,7 +12,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <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(JT809BodiesFormatter<JT809_0x1600>))]
-    public class JT809_0x1600:JT809Bodies
+    public class JT809_0x1600: JT809ExchangeMessageBodies
     {
 
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9200.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9200.cs
index 55f397d..a604501 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9200.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9200.cs
@@ -12,7 +12,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <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(JT809BodiesFormatter<JT809_0x9200>))]
-    public class JT809_0x9200:JT809Bodies
+    public class JT809_0x9200: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9300.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9300.cs
index 8182731..20b2c0d 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9300.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9300.cs
@@ -12,7 +12,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>描述:上级平台向下级平台发送平台问交互信息</para>
     /// </summary>
     [JT809Formatter(typeof(JT809_0x9300Formatter))]
-    public class JT809_0x9300:JT809Bodies
+    public class JT809_0x9300: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9400.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9400.cs
index 022e305..0e1d9d3 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9400.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9400.cs
@@ -16,7 +16,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <para>描述：上级平台向下级平台发送报瞥信息业务</para>
     /// </summary>
     [JT809Formatter(typeof(JT809BodiesFormatter<JT809_0x9400>))]
-    public class JT809_0x9400:JT809Bodies
+    public class JT809_0x9400: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9500.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9500.cs
index b640b54..7baec49 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9500.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9500.cs
@@ -12,7 +12,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <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(JT809BodiesFormatter<JT809_0x9500>))]
-    public class JT809_0x9500:JT809Bodies
+    public class JT809_0x9500: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809MessageBody/JT809_0x9600.cs b/src/JT809.Protocol/JT809MessageBody/JT809_0x9600.cs
index 6f96fb0..45fa2e2 100644
--- a/src/JT809.Protocol/JT809MessageBody/JT809_0x9600.cs
+++ b/src/JT809.Protocol/JT809MessageBody/JT809_0x9600.cs
@@ -16,7 +16,7 @@ namespace JT809.Protocol.JT809MessageBody
     /// <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(JT809BodiesFormatter<JT809_0x9600>))]
-    public class JT809_0x9600:JT809Bodies
+    public class JT809_0x9600: JT809ExchangeMessageBodies
     {
         
     }
diff --git a/src/JT809.Protocol/JT809Serializer.cs b/src/JT809.Protocol/JT809Serializer.cs
index 4eff7f4..c78c51d 100644
--- a/src/JT809.Protocol/JT809Serializer.cs
+++ b/src/JT809.Protocol/JT809Serializer.cs
@@ -12,7 +12,7 @@ namespace JT809.Protocol
     {
         public static byte[] Serialize(JT809Package jT809Package, int minBufferSize = 4096)
         {
-            return Serialize(jT809Package, minBufferSize);
+            return Serialize<JT809Package>(jT809Package, minBufferSize);
         }
 
         public static JT809Package Deserialize(ReadOnlySpan<byte> bytes)