diff --git a/src/JT809.Protocol/Enums/JT809WarnType.cs b/src/JT809.Protocol/Enums/JT809WarnType.cs
index 7316532..6fb53b7 100644
--- a/src/JT809.Protocol/Enums/JT809WarnType.cs
+++ b/src/JT809.Protocol/Enums/JT809WarnType.cs
@@ -7,21 +7,38 @@ namespace JT809.Protocol.Enums
     /// <summary>
     ///  报警类型
     /// </summary>
-    public enum JT809WarnType:ushort
+    public enum JT809WarnType : ushort
     {
-            超速报警=0x0001,
-            疲劳驾驶报警=0x0002,
-            紧急报警= 0x0003,
-            进入指定区域报警= 0x0004,
-            离开指定区域报警= 0x0005,
-            路段赌赛报警= 0x0006,
-            危险路段报警= 0x0007,
-            越界报警= 0x0008,
-            盗警= 0x0009,
-            劫警= 0x000A,
-            偏离路线报警= 0x000B,
-            车辆移动报警= 0x000C,
-            超时驾驶报警= 0x000D,
-            其他报警= 0x000E
+        超速报警 = 0x0001,
+        疲劳驾驶报警 = 0x0002,
+        紧急报警 = 0x0003,
+        进入指定区域报警 = 0x0004,
+        离开指定区域报警 = 0x0005,
+        越界报警 = 0x0008,
+        盗警 = 0x0009,
+        劫警 = 0x000A,
+        偏离路线报警 = 0x000B,
+        车辆移动报警 = 0x000C,
+        超时驾驶报警 = 0x000D,
+        违规行驶报警 = 0x0010,
+        前撞报警 = 0x0011,
+        车道偏离报警 = 0x0012,
+        胎压异常报警 = 0x0013,
+        动态信息异常报警 = 0x0014,
+        其他报警 = 0x000E,
+
+        超时停车=0xA001,
+        车辆定位信息上报时间间隔异常 = 0xA002,
+        车辆定位信息上报距离间隔异常 = 0xA003,
+        下级平台异常断线 = 0xA004,
+        下级平台数据传输异常 = 0xA005,
+        路段堵塞报警 = 0xA006,
+        危险路段报警 = 0xA007,
+        雨雪天气报警 = 0xA008,
+        驾驶员身份识别异常 = 0xA009,
+        终端异常 = 0xA00A,
+        平台接入异常 = 0xA00B,
+        核心数据异常 = 0xA00C,
+        其他报警1 = 0xA0FF,
     }
 }
diff --git a/src/JT809.Protocol/JT809Header.cs b/src/JT809.Protocol/JT809Header.cs
index 878da5b..d2e9e65 100644
--- a/src/JT809.Protocol/JT809Header.cs
+++ b/src/JT809.Protocol/JT809Header.cs
@@ -1,11 +1,12 @@
 using JT809.Protocol.Enums;
 using JT809.Protocol.Formatters;
+using JT809.Protocol.Interfaces;
 using JT809.Protocol.MessagePack;
 using System;
 
 namespace JT809.Protocol
 {
-    public class JT809Header: IJT809MessagePackFormatter<JT809Header>
+    public class JT809Header: IJT809MessagePackFormatter<JT809Header>,IJT809_2019_Version
     {
         /// <summary>
         /// 固定为22个字节长度
diff --git a/src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1202.cs b/src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1202.cs
index efcc5dd..ce87a46 100644
--- a/src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1202.cs
+++ b/src/JT809.Protocol/SubMessageBody/JT809_0x1200_0x1202.cs
@@ -3,6 +3,7 @@ using JT809.Protocol.Formatters;
 using JT809.Protocol.MessagePack;
 using JT809.Protocol.Metadata;
 using JT809.Protocol.Extensions;
+using JT809.Protocol.Interfaces;
 
 namespace JT809.Protocol.SubMessageBody
 {
@@ -10,7 +11,7 @@ namespace JT809.Protocol.SubMessageBody
     /// 实时上传车辆定位信息
     /// <para>子业务类型标识:UP_EXG_MSG_REAL_LOCATION</para>
     /// </summary>
-    public class JT809_0x1200_0x1202:JT809SubBodies, IJT809MessagePackFormatter<JT809_0x1200_0x1202>
+    public class JT809_0x1200_0x1202:JT809SubBodies, IJT809MessagePackFormatter<JT809_0x1200_0x1202>,IJT809_2019_Version
     {
         public override ushort SubMsgId => JT809SubBusinessType.实时上传车辆定位信息.ToUInt16Value();
 
@@ -24,46 +25,60 @@ namespace JT809.Protocol.SubMessageBody
         /// </summary>
         public JT809VehiclePositionProperties VehiclePosition { get; set; }
 
+        public JT809VehiclePositionProperties_2019 GnssData { get; set; }
+
         public JT809_0x1200_0x1202 Deserialize(ref JT809MessagePackReader reader, IJT809Config config)
         {
-            JT809_0x1200_0x1202 jT809_0X1200_0X1202 = new JT809_0x1200_0x1202();
-            jT809_0X1200_0X1202.VehiclePosition.Encrypt = (JT809_VehiclePositionEncrypt)reader.ReadByte();
-            jT809_0X1200_0X1202.VehiclePosition.Day = reader.ReadByte();
-            jT809_0X1200_0X1202.VehiclePosition.Month = reader.ReadByte();
-            jT809_0X1200_0X1202.VehiclePosition.Year = reader.ReadUInt16();
-            jT809_0X1200_0X1202.VehiclePosition.Hour = reader.ReadByte();
-            jT809_0X1200_0X1202.VehiclePosition.Minute = reader.ReadByte();
-            jT809_0X1200_0X1202.VehiclePosition.Second = reader.ReadByte();
-            jT809_0X1200_0X1202.VehiclePosition.Lon = reader.ReadUInt32();
-            jT809_0X1200_0X1202.VehiclePosition.Lat = reader.ReadUInt32();
-            jT809_0X1200_0X1202.VehiclePosition.Vec1 = reader.ReadUInt16();
-            jT809_0X1200_0X1202.VehiclePosition.Vec2 = reader.ReadUInt16();
-            jT809_0X1200_0X1202.VehiclePosition.Vec3 = reader.ReadUInt32();
-            jT809_0X1200_0X1202.VehiclePosition.Direction = reader.ReadUInt16();
-            jT809_0X1200_0X1202.VehiclePosition.Altitude = reader.ReadUInt16();
-            jT809_0X1200_0X1202.VehiclePosition.State = reader.ReadUInt32();
-            jT809_0X1200_0X1202.VehiclePosition.Alarm = reader.ReadUInt32();
-            return jT809_0X1200_0X1202;
+            JT809_0x1200_0x1202 value = new JT809_0x1200_0x1202();
+            if (config.Version == JT809Version.JTT2013)
+            {
+                value.VehiclePosition.Encrypt = (JT809_VehiclePositionEncrypt)reader.ReadByte();
+                value.VehiclePosition.Day = reader.ReadByte();
+                value.VehiclePosition.Month = reader.ReadByte();
+                value.VehiclePosition.Year = reader.ReadUInt16();
+                value.VehiclePosition.Hour = reader.ReadByte();
+                value.VehiclePosition.Minute = reader.ReadByte();
+                value.VehiclePosition.Second = reader.ReadByte();
+                value.VehiclePosition.Lon = reader.ReadUInt32();
+                value.VehiclePosition.Lat = reader.ReadUInt32();
+                value.VehiclePosition.Vec1 = reader.ReadUInt16();
+                value.VehiclePosition.Vec2 = reader.ReadUInt16();
+                value.VehiclePosition.Vec3 = reader.ReadUInt32();
+                value.VehiclePosition.Direction = reader.ReadUInt16();
+                value.VehiclePosition.Altitude = reader.ReadUInt16();
+                value.VehiclePosition.State = reader.ReadUInt32();
+                value.VehiclePosition.Alarm = reader.ReadUInt32();
+            }
+            else { 
+            
+            }
+            return value;
         }
 
         public void Serialize(ref JT809MessagePackWriter writer, JT809_0x1200_0x1202 value, IJT809Config config)
         {
-            writer.WriteByte((byte)value.VehiclePosition.Encrypt);
-            writer.WriteByte(value.VehiclePosition.Day);
-            writer.WriteByte(value.VehiclePosition.Month);
-            writer.WriteUInt16(value.VehiclePosition.Year);
-            writer.WriteByte(value.VehiclePosition.Hour);
-            writer.WriteByte(value.VehiclePosition.Minute);
-            writer.WriteByte(value.VehiclePosition.Second);
-            writer.WriteUInt32(value.VehiclePosition.Lon);
-            writer.WriteUInt32(value.VehiclePosition.Lat);
-            writer.WriteUInt16(value.VehiclePosition.Vec1);
-            writer.WriteUInt16(value.VehiclePosition.Vec2);
-            writer.WriteUInt32(value.VehiclePosition.Vec3);
-            writer.WriteUInt16(value.VehiclePosition.Direction);
-            writer.WriteUInt16(value.VehiclePosition.Altitude);
-            writer.WriteUInt32(value.VehiclePosition.State);
-            writer.WriteUInt32(value.VehiclePosition.Alarm);
+            if (config.Version == JT809Version.JTT2013)
+            {
+                writer.WriteByte((byte)value.VehiclePosition.Encrypt);
+                writer.WriteByte(value.VehiclePosition.Day);
+                writer.WriteByte(value.VehiclePosition.Month);
+                writer.WriteUInt16(value.VehiclePosition.Year);
+                writer.WriteByte(value.VehiclePosition.Hour);
+                writer.WriteByte(value.VehiclePosition.Minute);
+                writer.WriteByte(value.VehiclePosition.Second);
+                writer.WriteUInt32(value.VehiclePosition.Lon);
+                writer.WriteUInt32(value.VehiclePosition.Lat);
+                writer.WriteUInt16(value.VehiclePosition.Vec1);
+                writer.WriteUInt16(value.VehiclePosition.Vec2);
+                writer.WriteUInt32(value.VehiclePosition.Vec3);
+                writer.WriteUInt16(value.VehiclePosition.Direction);
+                writer.WriteUInt16(value.VehiclePosition.Altitude);
+                writer.WriteUInt32(value.VehiclePosition.State);
+                writer.WriteUInt32(value.VehiclePosition.Alarm);
+            }
+            else { 
+            
+            }
         }
     }
 }