diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1201Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1201Test.cs
index 2d51c4c..6c7cd04 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1201Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1201Test.cs
@@ -7,12 +7,17 @@ using JT809.Protocol.Extensions;
 using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
+using JT809.Protocol.Internal;
+using JT809.Protocol.Enums;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1200_0x1201Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() {  Version= JT809Version.JTT2019});
+
         [Fact]
         public void Test1()
         {
@@ -40,5 +45,34 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal("11111111", jT809_0X1200_0X1201.TerminalModelType);
             Assert.Equal("222222222222", jT809_0X1200_0X1201.TerminalSimCode);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1200_0x1201 jT809_0X1200_0X1201 = new JT809_0x1200_0x1201
+            {
+                PlateformId = "1111111111",
+                ProducerId = "1111111111",
+                TerminalId = "11111AA",
+                TerminalModelType = "11111111",
+                TerminalSimCode = "222222222222",
+                IMIEId="123456789"
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0X1200_0X1201).ToHexString();
+            Assert.Equal("00000000000000423A35C700000000000000423A35C731313131313131310000000000000000000000000000000000000000000031323334353637383900000000000031313131314141000000000000000000000000000000000000000000000000323232323232323232323232", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "00000000000000423A35C700000000000000423A35C731313131313131310000000000000000000000000000000000000000000031323334353637383900000000000031313131314141000000000000000000000000000000000000000000000000323232323232323232323232".ToHexBytes();
+            JT809_0x1200_0x1201 jT809_0X1200_0X1201 = JT809_2019_Serializer.Deserialize<JT809_0x1200_0x1201>(bytes);
+            Assert.Equal("1111111111", jT809_0X1200_0X1201.PlateformId);
+            Assert.Equal("1111111111", jT809_0X1200_0X1201.ProducerId);
+            Assert.Equal("11111AA", jT809_0X1200_0X1201.TerminalId);
+            Assert.Equal("11111111", jT809_0X1200_0X1201.TerminalModelType);
+            Assert.Equal("222222222222", jT809_0X1200_0X1201.TerminalSimCode);
+            Assert.Equal("123456789", jT809_0X1200_0X1201.IMIEId);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1202Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1202Test.cs
index 4e68615..3353fbc 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1202Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x1202Test.cs
@@ -7,12 +7,17 @@ using JT809.Protocol.Extensions;
 using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
+using JT809.Protocol.Internal;
+using JT809.Protocol.Enums;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1200_0x1202Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
+
         [Fact]
         public void Test1()
         {
@@ -57,5 +62,18 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal((uint)3, jT809_0X1200_0X1202.VehiclePosition.State);
             Assert.Equal((uint)257, jT809_0X1200_0X1202.VehiclePosition.Alarm);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            // todo:JT809VehiclePositionProperties_2019
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            // todo:JT809VehiclePositionProperties_2019
+        }
+
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120ATest.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120ATest.cs
index f83de94..498504d 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120ATest.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120ATest.cs
@@ -7,12 +7,16 @@ using JT809.Protocol.Extensions;
 using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
+using JT809.Protocol.Enums;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1200_0x120ATest
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
@@ -38,5 +42,38 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal("abcdef123456789", jT809_0X1200_0X120A.Licence);
             Assert.Equal("www123456789", jT809_0X1200_0X120A.OrgName);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1200_0x120A jT809_0X1200_0X120A = new JT809_0x1200_0x120A
+            {
+                DriverID = "123456789123456789",
+                DriverName = "smallchi",
+                Licence = "abcdef123456789",
+                OrgName = "www123456789",
+                ValidDate = DateTime.Parse("2020-04-23 22:22:22"),
+                SourceDataType=0x02,
+                SourceMsgSn=1
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0X1200_0X120A).ToHexString();
+            
+            Assert.Equal("000200000001736D616C6C63686900000000000000003132333435363738393132333435363738390000616263646566313233343536373839000000000000000000000000000000000000000000000000007777773132333435363738390000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005EA1A49E", hex); 
+            
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "000200000001736D616C6C63686900000000000000003132333435363738393132333435363738390000616263646566313233343536373839000000000000000000000000000000000000000000000000007777773132333435363738390000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005EA1A49E".ToHexBytes();
+            JT809_0x1200_0x120A jT809_0X1200_0X120A = JT809_2019_Serializer.Deserialize<JT809_0x1200_0x120A>(bytes);
+            Assert.Equal("123456789123456789", jT809_0X1200_0X120A.DriverID);
+            Assert.Equal("smallchi", jT809_0X1200_0X120A.DriverName);
+            Assert.Equal("abcdef123456789", jT809_0X1200_0X120A.Licence);
+            Assert.Equal("www123456789", jT809_0X1200_0X120A.OrgName);
+            Assert.Equal(DateTime.Parse("2020-04-23 22:22:22"), jT809_0X1200_0X120A.ValidDate);
+            Assert.Equal(0x02, jT809_0X1200_0X120A.SourceDataType);
+            Assert.Equal(1u, jT809_0X1200_0X120A.SourceMsgSn);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120BTest.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120BTest.cs
index bd2f59e..9002815 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120BTest.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120BTest.cs
@@ -7,12 +7,15 @@ using JT809.Protocol.Extensions;
 using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
+using JT809.Protocol.Internal;
+using JT809.Protocol.Enums;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1200_0x120BTest
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
@@ -33,5 +36,29 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal("asd123456asd", jT809_0X1200_0X120B.EwaybillInfo);
             Assert.Equal((uint)12, jT809_0X1200_0X120B.EwaybillLength);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1200_0x120B jT809_0X1200_0X120B = new JT809_0x1200_0x120B
+            {
+                EwaybillInfo = "asd123456asd",
+                SourceDataType=0x02,
+                SourceMsgSn=1
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0X1200_0X120B).ToHexString();
+            Assert.Equal("0002000000010000000C617364313233343536617364", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "0002000000010000000C617364313233343536617364".ToHexBytes();
+            JT809_0x1200_0x120B jT809_0X1200_0X120B = JT809_2019_Serializer.Deserialize<JT809_0x1200_0x120B>(bytes);
+            Assert.Equal("asd123456asd", jT809_0X1200_0X120B.EwaybillInfo);
+            Assert.Equal((uint)12, jT809_0X1200_0X120B.EwaybillLength);
+            Assert.Equal(0x02, jT809_0X1200_0X120B.SourceDataType);
+            Assert.Equal(1u, jT809_0X1200_0X120B.SourceMsgSn);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120CTest.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120CTest.cs
index ea95d5f..90f9980 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120CTest.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1200_0x120CTest.cs
@@ -7,12 +7,15 @@ using JT809.Protocol.Extensions;
 using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
+using JT809.Protocol.Internal;
+using JT809.Protocol.Enums;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1200_0x120CTest
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
@@ -37,5 +40,32 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal("3210987654321", jT809_0X1200_0X120C.Licence);
             Assert.Equal("gov", jT809_0X1200_0X120C.OrgName);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1200_0x120C jT809_0X1200_0X120C = new JT809_0x1200_0x120C
+            {
+                DriverID = "1234567890123",
+                DriverName = "smallchi",
+                Licence = "3210987654321",
+                OrgName = "gov",
+                ValidDate=DateTime.Parse("2020-04-23 21:51:11")
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0X1200_0X120C).ToHexString();
+            Assert.Equal("736D616C6C6368690000000000000000313233343536373839303132330000000000000033323130393837363534333231000000000000000000000000000000000000000000000000000000676F760000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005EA19D4F", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "736D616C6C6368690000000000000000313233343536373839303132330000000000000033323130393837363534333231000000000000000000000000000000000000000000000000000000676F760000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005EA19D4F".ToHexBytes();
+            JT809_0x1200_0x120C jT809_0X1200_0X120C = JT809_2019_Serializer.Deserialize<JT809_0x1200_0x120C>(bytes);
+            Assert.Equal("1234567890123", jT809_0X1200_0X120C.DriverID);
+            Assert.Equal("smallchi", jT809_0X1200_0X120C.DriverName);
+            Assert.Equal("3210987654321", jT809_0X1200_0X120C.Licence);
+            Assert.Equal("gov", jT809_0X1200_0X120C.OrgName);
+            Assert.Equal(DateTime.Parse("2020-04-23 21:51:11"), jT809_0X1200_0X120C.ValidDate);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1301Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1301Test.cs
index ca8da94..cfc3d16 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1301Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1301Test.cs
@@ -8,12 +8,14 @@ using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
 using JT809.Protocol.Enums;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1300_0x1301Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
@@ -39,5 +41,38 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal((uint)1234, jT809_0x1300_0x1301.InfoID);
             Assert.Equal(JT809_0x1301_ObjectType.当前连接的下级平台, jT809_0x1300_0x1301.ObjectType);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1300_0x1301 jT809_0x1300_0x1301 = new JT809_0x1300_0x1301
+            {
+                ObjectID = "111",
+                InfoContent = "22ha22",
+                InfoID = 1234,
+                ObjectType = JT809_0x1301_ObjectType.当前连接的下级平台,
+                SourceMsgSn=99,
+                ResponderTel="12345678901",
+                SourceDataType=111,
+                Responder="smallchi"
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0x1300_0x1301).ToHexString();
+            Assert.Equal("01736D616C6C636869000000000000000031323334353637383930310000000000000000003131310000000000000000000000000000000000006F0000006300000006323268613232", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "01736D616C6C636869000000000000000031323334353637383930310000000000000000003131310000000000000000000000000000000000006F0000006300000006323268613232".ToHexBytes();
+            JT809_0x1300_0x1301 jT809_0x1300_0x1301 = JT809_2019_Serializer.Deserialize<JT809_0x1300_0x1301>(bytes);
+            Assert.Equal("111", jT809_0x1300_0x1301.ObjectID);
+            Assert.Equal("22ha22", jT809_0x1300_0x1301.InfoContent);
+            Assert.Equal(0u, jT809_0x1300_0x1301.InfoID);
+            Assert.Equal(JT809_0x1301_ObjectType.当前连接的下级平台, jT809_0x1300_0x1301.ObjectType);
+            Assert.Equal(99u, jT809_0x1300_0x1301.SourceMsgSn);
+            Assert.Equal("12345678901", jT809_0x1300_0x1301.ResponderTel);
+            Assert.Equal(111, jT809_0x1300_0x1301.SourceDataType);
+            Assert.Equal("smallchi", jT809_0x1300_0x1301.Responder);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1302Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1302Test.cs
index e1ecf5a..cb091fa 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1302Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1302Test.cs
@@ -7,12 +7,15 @@ using JT809.Protocol.Extensions;
 using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
+using JT809.Protocol.Internal;
+using JT809.Protocol.Enums;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1300_0x1302Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
@@ -31,5 +34,28 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             JT809_0x1300_0x1302 jT809_0x1300_0x1302 = JT809Serializer.Deserialize<JT809_0x1300_0x1302>(bytes);  
             Assert.Equal((uint)1234, jT809_0x1300_0x1302.InfoID);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1300_0x1302 jT809_0x1300_0x1302 = new JT809_0x1300_0x1302
+            {
+                InfoID = 1234,
+                SourceDataType=0x99,
+                SourceMsgSn=11
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0x1300_0x1302).ToHexString();
+            Assert.Equal("00990000000B", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "00990000000B".ToHexBytes();
+            JT809_0x1300_0x1302 jT809_0x1300_0x1302 = JT809_2019_Serializer.Deserialize<JT809_0x1300_0x1302>(bytes);
+            Assert.Equal(0u, jT809_0x1300_0x1302.InfoID);
+            Assert.Equal(0x99, jT809_0x1300_0x1302.SourceDataType);
+            Assert.Equal(11u, jT809_0x1300_0x1302.SourceMsgSn);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1402Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1402Test.cs
index 9f79a75..b463336 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1402Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1402Test.cs
@@ -8,12 +8,14 @@ using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
 using JT809.Protocol.Enums;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1400_0x1402Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
@@ -42,5 +44,41 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal((uint)10, jT809_0x1400_0x1402.InfoLength);
             Assert.Equal(DateTime.Parse("2018-09-26"), jT809_0x1400_0x1402.WarnTime);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1400_0x1402 jT809_0x1400_0x1402 = new JT809_0x1400_0x1402
+            {
+                SourcePlatformId = new byte[11],
+                WarnType = JT809WarnType.偏离路线报警,
+                WarnTime = DateTime.Parse("2020-04-23"),
+                StartTime= DateTime.Parse("2020-04-23"),
+                EndTime= DateTime.Parse("2020-04-24"),
+                VehicleNo="粤A11111",
+                VehicleColor= JT809VehicleColorType.蓝色,
+                DestinationPlatformId = new byte[11],
+                InfoContent = "gfdf454553",
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0x1400_0x1402).ToHexString();
+            Assert.Equal("0000000000000000000000000B000000005EA06A00000000005EA06A00000000005EA1BB80D4C141313131313100000000000000000000000000010000000000000000000000000000000000000A67666466343534353533", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "0000000000000000000000000B000000005EA06A00000000005EA06A00000000005EA1BB80D4C141313131313100000000000000000000000000010000000000000000000000000000000000000A67666466343534353533".ToHexBytes();
+            JT809_0x1400_0x1402 jT809_0x1400_0x1402 = JT809_2019_Serializer.Deserialize<JT809_0x1400_0x1402>(bytes);
+            Assert.Equal(new byte[11], jT809_0x1400_0x1402.SourcePlatformId);
+            Assert.Equal("gfdf454553", jT809_0x1400_0x1402.InfoContent);
+            Assert.Equal(JT809WarnType.偏离路线报警, jT809_0x1400_0x1402.WarnType);
+            Assert.Equal((uint)10, jT809_0x1400_0x1402.InfoLength);
+            Assert.Equal(DateTime.Parse("2020-04-23"), jT809_0x1400_0x1402.WarnTime);
+            Assert.Equal(DateTime.Parse("2020-04-23"), jT809_0x1400_0x1402.StartTime);
+            Assert.Equal(DateTime.Parse("2020-04-24"), jT809_0x1400_0x1402.EndTime);
+            Assert.Equal("粤A11111", jT809_0x1400_0x1402.VehicleNo);
+            Assert.Equal(JT809VehicleColorType.蓝色, jT809_0x1400_0x1402.VehicleColor);
+            Assert.Equal(new byte[11], jT809_0x1400_0x1402.DestinationPlatformId);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1403Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1403Test.cs
index c9a65ca..2d6ee86 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1403Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1403Test.cs
@@ -8,12 +8,14 @@ using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
 using JT809.Protocol.Enums;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x1400_0x1403Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
@@ -35,5 +37,43 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal(JT809_0x1403_Result.将来处理, jT809_0x1400_0x1403.Result);
             Assert.Equal((uint)3344, jT809_0x1400_0x1403.InfoID);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1400_0x1403 jT809_0x1400_0x1403 = new JT809_0x1400_0x1403
+            {
+                SourcePlatformId = new byte[11],
+                WarnType = JT809WarnType.偏离路线报警,
+                WarnTime = DateTime.Parse("2020-04-23"),
+                StartTime = DateTime.Parse("2020-04-23"),
+                EndTime = DateTime.Parse("2020-04-24"),
+                VehicleNo = "粤A11111",
+                VehicleColor = JT809VehicleColorType.蓝色,
+                DestinationPlatformId = new byte[11],
+                InfoContent = "gfdf454553",
+                DRVLineId=55
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0x1400_0x1403).ToHexString();
+            Assert.Equal("0000000000000000000000000B000000005EA06A00000000005EA06A00000000005EA1BB80D4C141313131313100000000000000000000000000010000000000000000000000000000370000000A67666466343534353533", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "0000000000000000000000000B000000005EA06A00000000005EA06A00000000005EA1BB80D4C141313131313100000000000000000000000000010000000000000000000000000000370000000A67666466343534353533".ToHexBytes();
+            JT809_0x1400_0x1403 jT809_0x1400_0x1403 = JT809_2019_Serializer.Deserialize<JT809_0x1400_0x1403>(bytes);
+            Assert.Equal(new byte[11], jT809_0x1400_0x1403.SourcePlatformId);
+            Assert.Equal("gfdf454553", jT809_0x1400_0x1403.InfoContent);
+            Assert.Equal(JT809WarnType.偏离路线报警, jT809_0x1400_0x1403.WarnType);
+            Assert.Equal((uint)10, jT809_0x1400_0x1403.InfoLength);
+            Assert.Equal(DateTime.Parse("2020-04-23"), jT809_0x1400_0x1403.WarnTime);
+            Assert.Equal(DateTime.Parse("2020-04-23"), jT809_0x1400_0x1403.StartTime);
+            Assert.Equal(DateTime.Parse("2020-04-24"), jT809_0x1400_0x1403.EndTime);
+            Assert.Equal("粤A11111", jT809_0x1400_0x1403.VehicleNo);
+            Assert.Equal(JT809VehicleColorType.蓝色, jT809_0x1400_0x1403.VehicleColor);
+            Assert.Equal(new byte[11], jT809_0x1400_0x1403.DestinationPlatformId);
+            Assert.Equal(55u, jT809_0x1400_0x1403.DRVLineId);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1501Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1501Test.cs
index 48b9947..fac27bd 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1501Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1501Test.cs
@@ -8,12 +8,14 @@ using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
 using JT809.Protocol.Enums;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public  class JT809_0x1500_0x1501Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+
         [Fact]
         public void Test1()
         {
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1503Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1503Test.cs
index f4aa123..9e81861 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1503Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1503Test.cs
@@ -8,12 +8,15 @@ using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
 using JT809.Protocol.Enums;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public  class JT809_0x1500_0x1503Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
+
         [Fact]
         public void Test1()
         {
@@ -34,5 +37,28 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             Assert.Equal(JT809_0x1503_Result.下发成功, jT809_0X1500_0X1503.Result);
             Assert.Equal((uint)9999, jT809_0X1500_0X1503.MsgID);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1500_0x1503 jT809_0X1500_0X1503 = new JT809_0x1500_0x1503
+            {
+                 SourceDataType=99,
+                 SourceMsgSn=11,
+                 Result= JT809_0x1503_Result.下发成功      
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0X1500_0X1503).ToHexString();
+            Assert.Equal("00630000000B00", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "00630000000B00".ToHexBytes();
+            JT809_0x1500_0x1503 jT809_0X1500_0X1503 = JT809_2019_Serializer.Deserialize<JT809_0x1500_0x1503>(bytes);
+            Assert.Equal(99, jT809_0X1500_0X1503.SourceDataType);
+            Assert.Equal(11u, jT809_0X1500_0X1503.SourceMsgSn);
+            Assert.Equal(JT809_0x1503_Result.下发成功, jT809_0X1500_0X1503.Result);
+        }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1504Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1504Test.cs
index c8e178d..7b70c5f 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1504Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1504Test.cs
@@ -8,32 +8,60 @@ using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
 using JT809.Protocol.Enums;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public  class JT809_0x1500_0x1504Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
-            JT809_0x1400_0x1403 jT809_0x1400_0x1403 = new JT809_0x1400_0x1403
+            JT809_0x1500_0x1504 jT809_0x1500_0x1504 = new JT809_0x1500_0x1504
             {
-                Result = JT809_0x1403_Result.将来处理,
-                InfoID = 3344,
+                 CommandType= JT809CommandType.记录仪唯一性编号,
+                 TraveldataInfo="123456",
             };
-            var hex = JT809Serializer.Serialize(jT809_0x1400_0x1403).ToHexString();
-            // "00 00 0D 10 03"
-            Assert.Equal("00000D1003",hex);
+            var hex = JT809Serializer.Serialize(jT809_0x1500_0x1504).ToHexString();
+            Assert.Equal("0700000006313233343536", hex);
         }
 
         [Fact]
         public void Test2()
         {
-            var bytes = "00 00 0D 10 03".ToHexBytes();
-            JT809_0x1400_0x1403 jT809_0x1400_0x1403 = JT809Serializer.Deserialize<JT809_0x1400_0x1403>(bytes);
-            Assert.Equal(JT809_0x1403_Result.将来处理, jT809_0x1400_0x1403.Result);
-            Assert.Equal((uint)3344, jT809_0x1400_0x1403.InfoID);
+            var bytes = "0700000006313233343536".ToHexBytes();
+            JT809_0x1500_0x1504 jT809_0x1500_0x1504 = JT809Serializer.Deserialize<JT809_0x1500_0x1504>(bytes);
+            Assert.Equal(JT809CommandType.记录仪唯一性编号, jT809_0x1500_0x1504.CommandType);
+            Assert.Equal("123456", jT809_0x1500_0x1504.TraveldataInfo);
+            Assert.Equal(6u, jT809_0x1500_0x1504.TraveldataLength);
+        }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1500_0x1504 jT809_0x1500_0x1504 = new JT809_0x1500_0x1504
+            {
+                CommandType = JT809CommandType.记录仪唯一性编号,
+                TraveldataInfo = "123456",
+                SourceMsgSn = 1,
+                SourceDataType = 12,
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0x1500_0x1504).ToHexString();
+            Assert.Equal("000C000000010700000006313233343536", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "000C000000010700000006313233343536".ToHexBytes();
+            JT809_0x1500_0x1504 jT809_0x1500_0x1504 = JT809_2019_Serializer.Deserialize<JT809_0x1500_0x1504>(bytes);
+            Assert.Equal(JT809CommandType.记录仪唯一性编号, jT809_0x1500_0x1504.CommandType);
+            Assert.Equal("123456", jT809_0x1500_0x1504.TraveldataInfo);
+            Assert.Equal(6u, jT809_0x1500_0x1504.TraveldataLength);
+            Assert.Equal(1u, jT809_0x1500_0x1504.SourceMsgSn);
+            Assert.Equal(12, jT809_0x1500_0x1504.SourceDataType);
         }
     }
 }
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1505Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1505Test.cs
index 574f626..7fd3683 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1505Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1500_0x1505Test.cs
@@ -8,12 +8,14 @@ using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
 using JT809.Protocol.Enums;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public  class JT809_0x1500_0x1505Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
         [Fact]
         public void Test1()
         {
@@ -32,5 +34,28 @@ namespace JT809.Protocol.Test.JT809SubMessageBody
             JT809_0x1500_0x1505 jT809_0X1500_0X1505 = JT809Serializer.Deserialize<JT809_0x1500_0x1505>(bytes);
             Assert.Equal(JT809_0x1505_Result.无该车辆, jT809_0X1500_0X1505.Result);
         }
+
+        [Fact]
+        public void Test_2019_1()
+        {
+            JT809_0x1500_0x1505 jT809_0X1500_0X1505 = new JT809_0x1500_0x1505
+            {
+                Result = JT809_0x1505_Result.无该车辆,
+                SourceDataType=5,
+                SourceMsgSn=1
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0X1500_0X1505).ToHexString();
+            Assert.Equal("00050000000101", hex);
+        }
+
+        [Fact]
+        public void Test_2019_2()
+        {
+            var bytes = "00050000000101".ToHexBytes();
+            JT809_0x1500_0x1505 jT809_0X1500_0X1505 = JT809_2019_Serializer.Deserialize<JT809_0x1500_0x1505>(bytes);
+            Assert.Equal(JT809_0x1505_Result.无该车辆, jT809_0X1500_0X1505.Result);
+            Assert.Equal(5, jT809_0X1500_0X1505.SourceDataType);
+            Assert.Equal(1u, jT809_0X1500_0X1505.SourceMsgSn);
+        }
     }
 }
diff --git a/src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1202.cs b/src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1202.cs
index ce87a46..0016c9f 100644
--- a/src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1202.cs
+++ b/src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1202.cs
@@ -49,8 +49,9 @@ namespace JT809.Protocol.SubMessageBody
                 value.VehiclePosition.State = reader.ReadUInt32();
                 value.VehiclePosition.Alarm = reader.ReadUInt32();
             }
-            else { 
-            
+            else 
+            {
+#warning JT809VehiclePositionProperties_2019
             }
             return value;
         }
@@ -76,8 +77,9 @@ namespace JT809.Protocol.SubMessageBody
                 writer.WriteUInt32(value.VehiclePosition.State);
                 writer.WriteUInt32(value.VehiclePosition.Alarm);
             }
-            else { 
-            
+            else 
+            {
+#warning JT809VehiclePositionProperties_2019
             }
         }
     }
diff --git a/src/JT809.Protocol/SubMessageBody/JT809_0x1300_0x1301.cs b/src/JT809.Protocol/SubMessageBody/JT809_0x1300_0x1301.cs
index 512c8de..339e299 100644
--- a/src/JT809.Protocol/SubMessageBody/JT809_0x1300_0x1301.cs
+++ b/src/JT809.Protocol/SubMessageBody/JT809_0x1300_0x1301.cs
@@ -30,14 +30,11 @@ namespace JT809.Protocol.SubMessageBody
         public string ResponderTel { get; set; }
         /// <summary>
         /// 查岗对象的ID
+        /// 2013:12位
+        /// 2019:20位
         /// </summary>
         public string ObjectID { get; set; }
         /// <summary>
-        /// 查岗对象的ID
-        /// 20位
-        /// </summary>
-        public string ObjectID_2019 { get; set; }
-        /// <summary>
         /// 对应平台查岗请求消息源子业务类型标识
         /// </summary>
         public ushort SourceDataType { get; set; }
@@ -69,7 +66,7 @@ namespace JT809.Protocol.SubMessageBody
             else {
                 value.Responder = reader.ReadString(16);
                 value.ResponderTel = reader.ReadString(20);
-                value.ObjectID_2019 = reader.ReadString(20);
+                value.ObjectID = reader.ReadString(20);
                 value.SourceDataType = reader.ReadUInt16();
                 value.SourceMsgSn = reader.ReadUInt32();
             }
@@ -89,7 +86,7 @@ namespace JT809.Protocol.SubMessageBody
             else {
                 writer.WriteStringPadRight(value.Responder, 16);
                 writer.WriteStringPadRight(value.ResponderTel, 20);
-                writer.WriteStringPadRight(value.ObjectID_2019, 20);
+                writer.WriteStringPadRight(value.ObjectID, 20);
                 writer.WriteUInt16(value.SourceDataType);
                 writer.WriteUInt32(value.SourceMsgSn);
             }
diff --git a/src/JT809.Protocol/SubMessageBody/JT809_0x1400_0x1402.cs b/src/JT809.Protocol/SubMessageBody/JT809_0x1400_0x1402.cs
index 362af58..6471feb 100644
--- a/src/JT809.Protocol/SubMessageBody/JT809_0x1400_0x1402.cs
+++ b/src/JT809.Protocol/SubMessageBody/JT809_0x1400_0x1402.cs
@@ -77,7 +77,8 @@ namespace JT809.Protocol.SubMessageBody
             {
                 value.WarnSrc = (JT809WarnSrc)reader.ReadByte();
             }
-            else {
+            else 
+            {
                 value.SourcePlatformId = reader.ReadArray(11).ToArray();
             }
             value.WarnType = (JT809WarnType)reader.ReadUInt16();
@@ -107,7 +108,8 @@ namespace JT809.Protocol.SubMessageBody
             {
                 writer.WriteByte((byte)value.WarnSrc);
             }
-            else {
+            else 
+            {
                 writer.WriteArray(value.SourcePlatformId);
             }
             writer.WriteUInt16((ushort)value.WarnType);
@@ -116,7 +118,8 @@ namespace JT809.Protocol.SubMessageBody
             {
                 writer.WriteUInt32(value.InfoID);
             }
-            else {
+            else
+            {
                 writer.WriteUTCDateTime(value.StartTime);
                 writer.WriteUTCDateTime(value.EndTime);
                 writer.WriteStringPadRight(value.VehicleNo,21);
diff --git a/src/JT809.Protocol/SubMessageBody/JT809_0x1400_0x1403.cs b/src/JT809.Protocol/SubMessageBody/JT809_0x1400_0x1403.cs
index 3eb7c35..c328c72 100644
--- a/src/JT809.Protocol/SubMessageBody/JT809_0x1400_0x1403.cs
+++ b/src/JT809.Protocol/SubMessageBody/JT809_0x1400_0x1403.cs
@@ -81,7 +81,8 @@ namespace JT809.Protocol.SubMessageBody
                 value.InfoID = reader.ReadUInt32();
                 value.Result = (JT809_0x1403_Result)reader.ReadByte();
             }
-            else {
+            else 
+            {
                 value.SourcePlatformId = reader.ReadArray(11).ToArray();
                 value.WarnType = (JT809WarnType)reader.ReadUInt16();
                 value.WarnTime = reader.ReadUTCDateTime();
@@ -105,7 +106,8 @@ namespace JT809.Protocol.SubMessageBody
                 writer.WriteUInt32(value.InfoID);
                 writer.WriteByte((byte)value.Result);
             }
-            else {
+            else 
+            {
                 writer.WriteArray(value.SourcePlatformId);
                 writer.WriteUInt16((ushort)value.WarnType);
                 writer.WriteUTCDateTime(value.WarnTime);
@@ -119,7 +121,6 @@ namespace JT809.Protocol.SubMessageBody
                 writer.Skip(4, out int lengthPosition);
                 writer.WriteString(value.InfoContent);
                 writer.WriteInt32Return(writer.GetCurrentPosition() - lengthPosition - 4, lengthPosition);
-
             }
         }
     }
diff --git a/src/JT809.Protocol/SubMessageBody/JT809_0x1500_0x1503.cs b/src/JT809.Protocol/SubMessageBody/JT809_0x1500_0x1503.cs
index 3340f56..5caaa4d 100644
--- a/src/JT809.Protocol/SubMessageBody/JT809_0x1500_0x1503.cs
+++ b/src/JT809.Protocol/SubMessageBody/JT809_0x1500_0x1503.cs
@@ -45,7 +45,6 @@ namespace JT809.Protocol.SubMessageBody
             {
                 value.MsgID = reader.ReadUInt32();
             }
-
             value.Result = (JT809_0x1503_Result)reader.ReadByte();
             return value;
         }
diff --git a/src/JT809.Protocol/SubMessageBody/JT809_0x1500_0x1504.cs b/src/JT809.Protocol/SubMessageBody/JT809_0x1500_0x1504.cs
index 4e06a61..6c1eb3d 100644
--- a/src/JT809.Protocol/SubMessageBody/JT809_0x1500_0x1504.cs
+++ b/src/JT809.Protocol/SubMessageBody/JT809_0x1500_0x1504.cs
@@ -47,7 +47,6 @@ namespace JT809.Protocol.SubMessageBody
             value.CommandType = (JT809CommandType)reader.ReadByte();
             value.TraveldataLength = reader.ReadUInt32();
             value.TraveldataInfo = reader.ReadString((int)value.TraveldataLength);
-
             return value;
         }