diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 9239c9f..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "src/JT809.Protocol"]
-	path = src/JT809.Protocol
-	url = https://github.com/SmallChi/JT809.git
diff --git a/src/JT809.DotNetty.Core/JT809.DotNetty.Core.csproj b/src/JT809.DotNetty.Core/JT809.DotNetty.Core.csproj
index a41a842..2bc30a8 100644
--- a/src/JT809.DotNetty.Core/JT809.DotNetty.Core.csproj
+++ b/src/JT809.DotNetty.Core/JT809.DotNetty.Core.csproj
@@ -26,7 +26,7 @@
     <PackageReference Include="DotNetty.Transport.Libuv" Version="0.6.0" />
     <PackageReference Include="DotNetty.Codecs" Version="0.6.0" />
     <PackageReference Include="DotNetty.Codecs.Http" Version="0.6.0" />
-    <PackageReference Include="JT809" Version="1.2.1" />
+    <PackageReference Include="JT809" Version="1.3.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="2.2.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
diff --git a/src/JT809.DotNetty.Simples/Inferior/JT809.Inferior.Client/JT809InferiorService.cs b/src/JT809.DotNetty.Simples/Inferior/JT809.Inferior.Client/JT809InferiorService.cs
index b59e5a0..e8cb6db 100644
--- a/src/JT809.DotNetty.Simples/Inferior/JT809.Inferior.Client/JT809InferiorService.cs
+++ b/src/JT809.DotNetty.Simples/Inferior/JT809.Inferior.Client/JT809InferiorService.cs
@@ -51,7 +51,7 @@ namespace JT809.Inferior.Client
                             {
                                 Day = (byte)(DateTime.Now.Day),
                                 Month = (byte)(DateTime.Now.Month),
-                                Year = (byte)(DateTime.Now.Year),
+                                Year = (ushort)(DateTime.Now.Year),
                                 Hour = (byte)(DateTime.Now.Hour),
                                 Minute = (byte)(DateTime.Now.Minute),
                                 Second = (byte)(DateTime.Now.Second),
diff --git a/src/JT809.DotNetty.Tests/JT809.DotNetty.Host.Test/JT809.DotNetty.Host.Test.csproj b/src/JT809.DotNetty.Tests/JT809.DotNetty.Host.Test/JT809.DotNetty.Host.Test.csproj
index 0dbcc5c..0a5f76c 100644
--- a/src/JT809.DotNetty.Tests/JT809.DotNetty.Host.Test/JT809.DotNetty.Host.Test.csproj
+++ b/src/JT809.DotNetty.Tests/JT809.DotNetty.Host.Test/JT809.DotNetty.Host.Test.csproj
@@ -6,7 +6,7 @@
     <LangVersion>7.3</LangVersion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="JT809" Version="1.2.1" />
+    <PackageReference Include="JT809" Version="1.3.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="2.2.0" />
diff --git a/src/JT809.DotNetty.sln b/src/JT809.DotNetty.sln
index 22bb844..313ecf2 100644
--- a/src/JT809.DotNetty.sln
+++ b/src/JT809.DotNetty.sln
@@ -11,10 +11,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{DD4611CF
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JT809.DotNetty.Host.Test", "JT809.DotNetty.Tests\JT809.DotNetty.Host.Test\JT809.DotNetty.Host.Test.csproj", "{D4E18559-C429-416F-9399-42C0E604D27B}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{9EFC0937-8515-4EFB-8FE7-558C6FC8860C}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JT809.Protocol", "JT809.Protocol\src\JT809.Protocol\JT809.Protocol.csproj", "{3D7271A3-02CF-4DF4-AD3C-1BF248D6D7CA}"
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Simples", "Simples", "{3C761892-4ED8-42D2-96CF-F76041D17EC1}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Superior", "Superior", "{E9DC871D-EFCE-4D53-A5B5-8A88D2D52EA4}"
@@ -33,9 +29,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JT809.GpsConsumer", "JT809.
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Inferior", "Inferior", "{139F3035-EAC2-42A8-9123-1F7E6B79AFEB}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JT809.Inferior.Server", "JT809.DotNetty.Simples\Inferior\JT809.Inferior.Server\JT809.Inferior.Server.csproj", "{126FFC37-3ABF-4537-A0DD-3FC609F853EF}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JT809.Inferior.Server", "JT809.DotNetty.Simples\Inferior\JT809.Inferior.Server\JT809.Inferior.Server.csproj", "{126FFC37-3ABF-4537-A0DD-3FC609F853EF}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JT809.Inferior.Client", "JT809.DotNetty.Simples\Inferior\JT809.Inferior.Client\JT809.Inferior.Client.csproj", "{5990307A-4EE9-40B7-80E8-5AE2E7697287}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JT809.Inferior.Client", "JT809.DotNetty.Simples\Inferior\JT809.Inferior.Client\JT809.Inferior.Client.csproj", "{5990307A-4EE9-40B7-80E8-5AE2E7697287}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -55,10 +51,6 @@ Global
 		{D4E18559-C429-416F-9399-42C0E604D27B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D4E18559-C429-416F-9399-42C0E604D27B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D4E18559-C429-416F-9399-42C0E604D27B}.Release|Any CPU.Build.0 = Release|Any CPU
-		{3D7271A3-02CF-4DF4-AD3C-1BF248D6D7CA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{3D7271A3-02CF-4DF4-AD3C-1BF248D6D7CA}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{3D7271A3-02CF-4DF4-AD3C-1BF248D6D7CA}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{3D7271A3-02CF-4DF4-AD3C-1BF248D6D7CA}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5F8AFD67-FDA8-40A6-A655-FD855E2CCF26}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{5F8AFD67-FDA8-40A6-A655-FD855E2CCF26}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5F8AFD67-FDA8-40A6-A655-FD855E2CCF26}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -97,7 +89,6 @@ Global
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{D4E18559-C429-416F-9399-42C0E604D27B} = {DD4611CF-79A9-45C7-91EB-1E84D22B7D07}
-		{3D7271A3-02CF-4DF4-AD3C-1BF248D6D7CA} = {9EFC0937-8515-4EFB-8FE7-558C6FC8860C}
 		{E9DC871D-EFCE-4D53-A5B5-8A88D2D52EA4} = {3C761892-4ED8-42D2-96CF-F76041D17EC1}
 		{5F8AFD67-FDA8-40A6-A655-FD855E2CCF26} = {E9DC871D-EFCE-4D53-A5B5-8A88D2D52EA4}
 		{D64F2F77-DC0C-4120-80DA-45012A794CDF} = {E9DC871D-EFCE-4D53-A5B5-8A88D2D52EA4}
diff --git a/src/JT809.Protocol b/src/JT809.Protocol
deleted file mode 160000
index 991ee62..0000000
--- a/src/JT809.Protocol
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 991ee6202f91d933ff9a1a12f542cb3238efd7cd