diff --git a/src/JT808.Protocol.Test/JT808HeaderPackageTest.cs b/src/JT808.Protocol.Test/JT808HeaderPackageTest.cs
index 6a7ba34..4e14d24 100644
--- a/src/JT808.Protocol.Test/JT808HeaderPackageTest.cs
+++ b/src/JT808.Protocol.Test/JT808HeaderPackageTest.cs
@@ -19,9 +19,9 @@ namespace JT808.Protocol.Test
             var data1_1 = data1.Bodies;
             var data2 = JT808Serializer.HeaderDeserialize("7E1205203804066657506200EC000200020120121900163320121900360700000000000000000001010F0CE4CD0120121900002220121900163300000000000000000001010C6F9E7B5D7E".ToHexBytes());
             var data2_1 = data2.Bodies;
-            Assert.Equal(data1.Bodies.ToArray(), data1_1);
-            Assert.Equal(data2.Bodies.ToArray(), data2_1);
-            var realBody = data1.Bodies.ToArray().Concat(data2.Bodies.ToArray()).ToArray();
+            Assert.Equal(data1.Bodies, data1_1);
+            Assert.Equal(data2.Bodies, data2_1);
+            var realBody = data1.Bodies.Concat(data2.Bodies).ToArray();
         }
 
         [Fact]
@@ -30,5 +30,14 @@ namespace JT808.Protocol.Test
             var json1 = JT808Serializer.Analyze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oHexBytes());
             var json2 = JT808Serializer.Analyze("7E1205203804066657506200EC000200020120121900163320121900360700000000000000000001010F0CE4CD0120121900002220121900163300000000000000000001010C6F9E7B5D7E".ToHexBytes());
         }
+
+        [Fact]
+        public void Test3()
+        {
+            var pack1 = JT808Serializer.HeaderDeserialize("7E120523A204066657506200EB00020001015A00000023012012191042052012191050190000000000000000000101064446D10120121910221720121910420500000000000000000001010F1FE8EB0120121910023420121910221700000000000000000001010F182D5C0120121909471120121910015500000000000000000001010B38F2430120121909274020121909471100000000000000000001010F056DB40120121909080920121909274000000000000000000001010F0724380120121908483820121909080900000000000000000001010F0530AB0120121908290720121908483800000000000000000001010F05896C0120121908093720121908290700000000000000000001010F02CD3B0120121907500520121908093700000000000000000001010F056FEF0120121907303420121907500500000000000000000001010F043C3401201219072541201219073034000000000000000000010103C26C5F0120121907061120121907254100000000000000000001010F03F0C10120121906464220121907061100000000000000000001010F02F6330120121906271220121906464200000000000000000001010F02E43B0120121906074220121906271200000000000000000001010F033D670120121905481120121906074200000000000000000001010F088BF20120121905284120121905481100000000000000000001010F03F9FE0120121905091020121905284100000000000000000001010F05B1040120121904494020121905091000000000000000000001010F02B3540120121904301020121904494000000000000000000001010F0417B00120121904103920121904301000000000000000000001010F0538970120121903510820121904103900000000000000000001010F054E9E0120121903313820121903510800000000000000000001010F016ECB0120121903120820121903313800000000000000000001010F0333C00120121902523820121903120700000000000000000001010F029D230120121902330720121902523700000000000000000001010F0354E40120121902133720121902330700000000000000000001010F03303D0120121901540720121902133700000000000000000001010F04981E0120121901343720121901540700000000000000000001010F02AD940120121901150820121901343700000000000000000001010EFFD7CF0120121900553720121901150800000000000000000001010F07D9330120121900360720121900553700000000000000000001010F040E740C7E".ToHexBytes());
+            var pack2 = JT808Serializer.HeaderDeserialize("7E1205203804066657506200EC000200020120121900163320121900360700000000000000000001010F0CE4CD0120121900002220121900163300000000000000000001010C6F9E7B5D7E".ToHexBytes());
+            var realBody = pack1.Bodies.Concat(pack2.Bodies).ToArray();
+            var json=JT808Serializer.Analyze(pack1.Header.MsgId, realBody);
+        }
     }
 }
diff --git a/src/JT808.Protocol/JT808.Protocol.csproj b/src/JT808.Protocol/JT808.Protocol.csproj
index b834baa..38902e1 100644
--- a/src/JT808.Protocol/JT808.Protocol.csproj
+++ b/src/JT808.Protocol/JT808.Protocol.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net5;</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net5.0;</TargetFrameworks>
     <LangVersion>9.0</LangVersion>
     <Copyright>Copyright 2018.</Copyright>
     <Authors>SmallChi</Authors>
@@ -15,7 +15,7 @@
     <license>https://github.com/SmallChi/JT808/blob/master/LICENSE</license>
     <DocumentationFile>JT808.Protocol.xml</DocumentationFile>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
-    <Version>2.3.3</Version>
+    <Version>2.3.4</Version>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <AnalysisLevel>latest</AnalysisLevel>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
diff --git a/src/JT808.Protocol/JT808.Protocol.xml b/src/JT808.Protocol/JT808.Protocol.xml
index 1ae4886..693c551 100644
--- a/src/JT808.Protocol/JT808.Protocol.xml
+++ b/src/JT808.Protocol/JT808.Protocol.xml
@@ -3477,6 +3477,28 @@
             <param name="bytes"></param>
             <returns></returns>
         </member>
+        <member name="M:JT808.Protocol.JT808Serializer.Analyze(System.UInt16,System.ReadOnlySpan{System.Byte},JT808.Protocol.Enums.JT808Version,System.Text.Json.JsonWriterOptions,System.Int32)">
+            <summary>
+            用于分包组合
+            </summary>
+            <param name="msgid">对应消息id</param>
+            <param name="bytes">组合的数据体</param>
+            <param name="version">对应版本号</param>
+            <param name="options">序列化选项</param>
+            <param name="minBufferSize">默认65535</param>
+            <returns></returns>
+        </member>
+        <member name="M:JT808.Protocol.JT808Serializer.AnalyzeJsonBuffer(System.UInt16,System.ReadOnlySpan{System.Byte},JT808.Protocol.Enums.JT808Version,System.Text.Json.JsonWriterOptions,System.Int32)">
+            <summary>
+            用于分包组合
+            </summary>
+            <param name="msgid">对应消息id</param>
+            <param name="bytes">组合的数据体</param>
+            <param name="version">对应版本号</param>
+            <param name="options">序列化选项</param>
+            <param name="minBufferSize">默认65535</param>
+            <returns></returns>
+        </member>
         <member name="T:JT808.Protocol.MessageBody.CarDVR.JT808_CarDVR_Down_0x00">
             <summary>
             采集记录仪执行标准版本
diff --git a/src/JT808.Protocol/JT808Serializer.cs b/src/JT808.Protocol/JT808Serializer.cs
index 4367199..bd5b07d 100644
--- a/src/JT808.Protocol/JT808Serializer.cs
+++ b/src/JT808.Protocol/JT808Serializer.cs
@@ -213,6 +213,85 @@ namespace JT808.Protocol
             }
         }
 
+        /// <summary>
+        /// 用于分包组合
+        /// </summary>
+        /// <param name="msgid">对应消息id</param>
+        /// <param name="bytes">组合的数据体</param>
+        /// <param name="version">对应版本号</param>
+        /// <param name="options">序列化选项</param>
+        /// <param name="minBufferSize">默认65535</param>
+        /// <returns></returns>
+        public string Analyze(ushort msgid,ReadOnlySpan<byte> bytes, JT808Version version = JT808Version.JTT2013, JsonWriterOptions options = default, int minBufferSize = 65535)
+        {
+            byte[] buffer = JT808ArrayPool.Rent(minBufferSize);
+            try
+            {
+                if(jT808Config.MsgIdFactory.TryGetValue(msgid,out object msgHandle))
+                {
+                    if (jT808Config.FormatterFactory.FormatterDict.TryGetValue(msgHandle.GetType().GUID, out object instance))
+                    {
+                        using (MemoryStream memoryStream = new MemoryStream())
+                        using (Utf8JsonWriter utf8JsonWriter = new Utf8JsonWriter(memoryStream, options))
+                        {
+                            JT808MessagePackReader jT808MessagePackReader = new JT808MessagePackReader(bytes, version);
+                            utf8JsonWriter.WriteStartObject();
+                            instance.Analyze(ref jT808MessagePackReader, utf8JsonWriter, jT808Config);
+                            utf8JsonWriter.WriteEndObject();
+                            utf8JsonWriter.Flush();
+                            string value = Encoding.UTF8.GetString(memoryStream.ToArray());
+                            return value;
+                        }
+                    }
+                    return $"未找到对应的0x{msgid.ToString("X2")}消息数据体类型";
+                }
+                return $"未找到对应的0x{msgid.ToString("X2")}消息数据体类型";
+            }
+            finally
+            {
+                JT808ArrayPool.Return(buffer);
+            }
+        }
+
+        /// <summary>
+        /// 用于分包组合
+        /// </summary>
+        /// <param name="msgid">对应消息id</param>
+        /// <param name="bytes">组合的数据体</param>
+        /// <param name="version">对应版本号</param>
+        /// <param name="options">序列化选项</param>
+        /// <param name="minBufferSize">默认65535</param>
+        /// <returns></returns>
+        public byte[] AnalyzeJsonBuffer(ushort msgid, ReadOnlySpan<byte> bytes, JT808Version version = JT808Version.JTT2013, JsonWriterOptions options = default, int minBufferSize = 65535)
+        {
+            byte[] buffer = JT808ArrayPool.Rent(minBufferSize);
+            try
+            {
+                if (jT808Config.MsgIdFactory.TryGetValue(msgid, out object msgHandle))
+                {
+                    if (jT808Config.FormatterFactory.FormatterDict.TryGetValue(msgHandle.GetType().GUID, out object instance))
+                    {
+                        using (MemoryStream memoryStream = new MemoryStream())
+                        using (Utf8JsonWriter utf8JsonWriter = new Utf8JsonWriter(memoryStream, options))
+                        {
+                            JT808MessagePackReader jT808MessagePackReader = new JT808MessagePackReader(bytes, version);
+                            utf8JsonWriter.WriteStartObject();
+                            instance.Analyze(ref jT808MessagePackReader, utf8JsonWriter, jT808Config);
+                            utf8JsonWriter.WriteEndObject();
+                            utf8JsonWriter.Flush();
+                            return memoryStream.ToArray();
+                        }
+                    }
+                    return Encoding.UTF8.GetBytes($"未找到对应的0x{msgid.ToString("X2")}消息数据体类型");
+                }
+                return Encoding.UTF8.GetBytes($"未找到对应的0x{msgid.ToString("X2")}消息数据体类型");
+            }
+            finally
+            {
+                JT808ArrayPool.Return(buffer);
+            }
+        }
+
         public byte[] AnalyzeJsonBuffer(ReadOnlySpan<byte> bytes, JT808Version version = JT808Version.JTT2013, JsonWriterOptions options = default, int minBufferSize = 8096)
         {
             byte[] buffer = JT808ArrayPool.Rent(minBufferSize);