diff --git a/src/JT809.Protocol.Test/AnalyzeTest.cs b/src/JT809.Protocol.Test/AnalyzeTest.cs
index 7f75239..cad3a73 100644
--- a/src/JT809.Protocol.Test/AnalyzeTest.cs
+++ b/src/JT809.Protocol.Test/AnalyzeTest.cs
@@ -209,7 +209,7 @@ namespace JT809.Protocol.Test
             hex = "00160000002100";
             json = JT809_2019_Serializer.Analyze<JT809_0x9200_0x9209>(hex.ToHexBytes());
 
-            hex = "02736D616C6C6368690000000000000D10000000057265706C79";
+            hex = "00000D10000000057265706C79";
             json = JT809Serializer.Analyze<JT809_0x9300_0x9301>(hex.ToHexBytes());
 
             hex = "00616664617366330000000000000004D200000014CFC2BCB6C6BDCCA8CBF9CAF4B5A5D2BBC6BDCCA8";
diff --git a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x9300_0x9301Test.cs b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x9300_0x9301Test.cs
index 1410a8e..e88abec 100644
--- a/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x9300_0x9301Test.cs
+++ b/src/JT809.Protocol.Test/JT809SubMessageBody/JT809_0x9300_0x9301Test.cs
@@ -8,37 +8,73 @@ using JT809.Protocol.MessageBody;
 using JT809.Protocol.Exceptions;
 using JT809.Protocol.SubMessageBody;
 using JT809.Protocol.Enums;
+using Xunit.Abstractions;
+using JT809.Protocol.Internal;
 
 namespace JT809.Protocol.Test.JT809SubMessageBody
 {
     public class JT809_0x9300_0x9301Test
     {
         private JT809Serializer JT809Serializer = new JT809Serializer();
-        [Fact]
+        private JT809Serializer JT809_2019_Serializer = new JT809Serializer(new DefaultGlobalConfig() { Version = JT809Version.JTT2019 });
+        readonly ITestOutputHelper testOutput;
+
+        public JT809_0x9300_0x9301Test(ITestOutputHelper testOutput)
+        {
+            this.testOutput = testOutput;
+        }
+
+        [Fact(DisplayName = "2011版序列化")]
         public void Test1()
         {
             JT809_0x9300_0x9301 jT809_0x9300_0x9301 = new JT809_0x9300_0x9301
             {
-                ObjectID="smallchi",
-                ObjectType= JT809_0x9301_ObjectType.下级平台所属单一业户,
-                InfoContent="reply",
+                ObjectID = "smallchi",
+                ObjectType = JT809_0x9301_ObjectType.下级平台所属单一业户,
+                InfoContent = "reply",
                 InfoID = 3344,
             };
             var hex = JT809Serializer.Serialize(jT809_0x9300_0x9301).ToHexString();
+            testOutput.WriteLine(hex);
             // "02 73 6D 61 6C 6C 63 68 69 00 00 00 00 00 00 0D 10 00 00 00 05 72 65 70 6C 79"
-            Assert.Equal("02736D616C6C6368690000000000000D10000000057265706C79", hex);
+            Assert.Equal("00000D10000000057265706C79", hex);
         }
 
-        [Fact]
+        [Fact(DisplayName = "2011版反序化")]
         public void Test2()
         {
-            var bytes = "02 73 6D 61 6C 6C 63 68 69 00 00 00 00 00 00 0D 10 00 00 00 05 72 65 70 6C 79".ToHexBytes();
+            var bytes = "00000D10000000057265706C79".ToHexBytes();
             JT809_0x9300_0x9301 jT809_0x9300_0x9301 = JT809Serializer.Deserialize<JT809_0x9300_0x9301>(bytes);
+            //Assert.Equal(JT809_0x9301_ObjectType.下级平台所属单一业户, jT809_0x9300_0x9301.ObjectType);
+            Assert.Equal((uint)3344, jT809_0x9300_0x9301.InfoID);
+            Assert.Equal("reply", jT809_0x9300_0x9301.InfoContent);
+            //Assert.Equal("smallchi", jT809_0x9300_0x9301.ObjectID);
+        }
+
+        [Fact(DisplayName = "2019版序列化")]
+        public void Test3()
+        {
+            JT809_0x9300_0x9301 jT809_0x9300_0x9301 = new JT809_0x9300_0x9301
+            {
+                ObjectID = "smallchi",
+                ObjectType = JT809_0x9301_ObjectType.下级平台所属单一业户,
+                InfoContent = "reply",
+                InfoID = 3344,
+            };
+            var hex = JT809_2019_Serializer.Serialize(jT809_0x9300_0x9301).ToHexString();
+            testOutput.WriteLine(hex);
+            Assert.Equal("02736D616C6C636869000000000000000D10000000057265706C79", hex);
+        }
+
+        [Fact(DisplayName = "2019版反序化")]
+        public void Test4()
+        {
+            var bytes = "02736D616C6C636869000000000000000D10000000057265706C79".ToHexBytes();
+            JT809_0x9300_0x9301 jT809_0x9300_0x9301 = JT809_2019_Serializer.Deserialize<JT809_0x9300_0x9301>(bytes);
             Assert.Equal(JT809_0x9301_ObjectType.下级平台所属单一业户, jT809_0x9300_0x9301.ObjectType);
             Assert.Equal((uint)3344, jT809_0x9300_0x9301.InfoID);
             Assert.Equal("reply", jT809_0x9300_0x9301.InfoContent);
             Assert.Equal("smallchi", jT809_0x9300_0x9301.ObjectID);
         }
-
     }
 }