diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1301Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1301Test.cs
new file mode 100644
index 0000000..c7f284b
--- /dev/null
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1300_0x1301Test.cs
@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+using JT809.Protocol;
+using JT809.Protocol.JT809Extensions;
+using JT809.Protocol.JT809MessageBody;
+using JT809.Protocol.JT809Exceptions;
+using JT809.Protocol.JT809SubMessageBody;
+
+namespace JT809.Protocol.Test.JT809SubMessageBody
+{
+    public class JT809_0x1300_0x1301Test
+    {
+        [Fact]
+        public void Test1()
+        {
+            JT809_0x1300_0x1301 jT809_0x1300_0x1301 = 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(jT809_0x1300_0x1301).ToHexString();
+            //"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 = "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_0x1301 jT809_0x1300_0x1301 = JT809Serializer.Deserialize<JT809_0x1300_0x1301>(bytes);
+            Assert.Equal("111", jT809_0x1300_0x1301.ObjectID);
+            Assert.Equal("22ha22", jT809_0x1300_0x1301.InfoContent);
+            Assert.Equal((uint)1234, jT809_0x1300_0x1301.InfoID);
+            Assert.Equal(JT809Enums.JT809_0x1301_ObjectType.当前连接的下级平台, jT809_0x1300_0x1301.ObjectType);
+        }
+    }
+}
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1402Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1402Test.cs
new file mode 100644
index 0000000..2520607
--- /dev/null
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x1400_0x1402Test.cs
@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+using JT809.Protocol;
+using JT809.Protocol.JT809Extensions;
+using JT809.Protocol.JT809MessageBody;
+using JT809.Protocol.JT809Exceptions;
+using JT809.Protocol.JT809SubMessageBody;
+
+namespace JT809.Protocol.Test.JT809SubMessageBody
+{
+    public class JT809_0x1400_0x1402Test
+    {
+        [Fact]
+        public void Test1()
+        {
+            JT809_0x1400_0x1402 jT809_0x1400_0x1402 = new JT809_0x1400_0x1402
+            {
+                 WarnSrc= JT809Enums.JT809WarnSrc.车载终端,
+                 WarnType = 18,
+                 WarnTime=DateTime.Parse("2018-09-26"),
+                 InfoContent = "gfdf454553",
+                 InfoID = 3344,
+            };
+            var hex = JT809Serializer.Serialize(jT809_0x1400_0x1402).ToHexString();
+            // "00 00 12 00 00 00 00 5B AA 5B 80 00 00 0D 10 00 00 00 0A 67 66 64 66 34 35 34 35 35 33"
+        }
+
+        [Fact]
+        public void Test2()
+        {
+            var bytes = "00 00 12 00 00 00 00 5B AA 5B 80 00 00 0D 10 00 00 00 0A 67 66 64 66 34 35 34 35 35 33".ToHexBytes();
+            JT809_0x1400_0x1402 jT809_0x1400_0x1402 = JT809Serializer.Deserialize<JT809_0x1400_0x1402>(bytes);
+            Assert.Equal(JT809Enums.JT809WarnSrc.车载终端, jT809_0x1400_0x1402.WarnSrc);
+            Assert.Equal("gfdf454553", jT809_0x1400_0x1402.InfoContent);
+            Assert.Equal((uint)18, jT809_0x1400_0x1402.WarnType);
+            Assert.Equal((uint)3344, jT809_0x1400_0x1402.InfoID);
+            Assert.Equal((uint)10, jT809_0x1400_0x1402.InfoLength);
+            Assert.Equal(DateTime.Parse("2018-09-26"), jT809_0x1400_0x1402.WarnTime);
+        }
+    }
+}
diff --git a/src/JT809.Protocol/JT809SubMessageBody/JT809_0x1200_0x120C.cs b/src/JT809.Protocol/JT809SubMessageBody/JT809_0x1200_0x120C.cs
index b727332..f7d4dbd 100644
--- a/src/JT809.Protocol/JT809SubMessageBody/JT809_0x1200_0x120C.cs
+++ b/src/JT809.Protocol/JT809SubMessageBody/JT809_0x1200_0x120C.cs
@@ -1,4 +1,6 @@
-using System;
+using JT809.Protocol.JT809Attributes;
+using JT809.Protocol.JT809Formatters.JT809SubMessageBodyFormatters;
+using System;
 using System.Collections.Generic;
 using System.Text;
 
@@ -8,6 +10,7 @@ namespace JT809.Protocol.JT809SubMessageBody
     /// 主动上报驾驶员身份信息消息
     /// <para>子业务类型标识:UP_EXG_MSG_REPORT_DRIVER_INFO</para>
     /// </summary>
+    [JT809Formatter(typeof(JT809_0x1200_0x120CFormatter))]
     public class JT809_0x1200_0x120C:JT809SubBodies
     {
         /// <summary>