diff --git a/.github/workflows/dotnetcore.yml b/.github/workflows/dotnetcore.yml
index c6ddae7..a6f90e9 100755
--- a/.github/workflows/dotnetcore.yml
+++ b/.github/workflows/dotnetcore.yml
@@ -33,3 +33,7 @@ jobs:
       run: dotnet build ./src/JT808.Protocol.Extensions/JT808.Protocol.Extensions.YueBiao.Test/JT808.Protocol.Extensions.YueBiao.Test.csproj
     - name: dotnet jt808_yuebiao test
       run: dotnet test ./src/JT808.Protocol.Extensions/JT808.Protocol.Extensions.YueBiao.Test/JT808.Protocol.Extensions.YueBiao.Test.csproj
+    - name: dotnet gps51 build
+      run: dotnet build ./src/JT808.Protocol.Extensions/JT808.Protocol.Extensions.GPS51.Test/JT808.Protocol.Extensions.GPS51.Test.csproj
+    - name: dotnet gps51 test
+      run: dotnet test ./src/JT808.Protocol.Extensions/JT808.Protocol.Extensions.GPS51.Test/JT808.Protocol.Extensions.GPS51.Test.csproj
diff --git a/README.en.md b/README.en.md
index a626fb4..480927d 100644
--- a/README.en.md
+++ b/README.en.md
@@ -382,7 +382,7 @@ Due to access many different equipment vendor's agreement, but each protocol doc
 | Install-Package JT808.Protocol.Extensions.JT1078 | ![JT808.Protocol.Extensions.JT1078](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.JT1078.svg) | ![JT808.Protocol.Extensions.JT1078](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.JT1078.svg)|![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.JT1078.svg) |JT1078 extension JT808|
 | Install-Package JT808.Protocol.Extensions.SuBiao| ![JT808.Protocol.Extensions.SuBiao](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.SuBiao.svg) | ![JT808.Protocol.Extensions.SuBiao](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.SuBiao.svg)|![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.SuBiao.svg) |Active Safety (Su Biao) extension JT808|
 | Install-Package JT808.Protocol.Extensions.YueBiao| ![JT808.Protocol.Extensions.YueBiao](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.YueBiao.svg) | ![JT808.Protocol.Extensions.YueBiao](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.YueBiao.svg)|![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.YueBiao.svg) |Active Safety (Yue Biao) extension JT808|
-| Install-Package JT808.Protocol.Extensions.GPS51  | ![JT808.Protocol.Extensions.GPS51](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.GPS51.svg)   | ![JT808.Protocol.Extensions.GPS51](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.GPS51.svg)   | ![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.GPS51.svg)   
+| Install-Package JT808.Protocol.Extensions.GPS51  | ![JT808.Protocol.Extensions.GPS51](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.GPS51.svg)   | ![JT808.Protocol.Extensions.GPS51](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.GPS51.svg)   | ![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.GPS51.svg)  | GPS51 extension JT808
 
 ## Using BenchmarkDotNet performance test reports (just for fun, not to be taken seriously)
 
diff --git a/README.md b/README.md
index dac0a95..a67a9d3 100644
--- a/README.md
+++ b/README.md
@@ -398,7 +398,7 @@ JT808Serializer DT2JT808Serializer = new JT808Serializer(DT2JT808Config);
 | Install-Package JT808.Protocol.Extensions.JT1078   | ![JT808.Protocol.Extensions.JT1078](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.JT1078.svg)     | ![JT808.Protocol.Extensions.JT1078](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.JT1078.svg)     | ![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.JT1078.svg)                                | JT1078 扩展 JT808          |
 | Install-Package JT808.Protocol.Extensions.SuBiao   | ![JT808.Protocol.Extensions.SuBiao](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.SuBiao.svg)     | ![JT808.Protocol.Extensions.SuBiao](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.SuBiao.svg)     | ![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.SuBiao.svg)                                | 主动安全（苏标）扩展 JT808 |
 | Install-Package JT808.Protocol.Extensions.YueBiao  | ![JT808.Protocol.Extensions.YueBiao](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.YueBiao.svg)   | ![JT808.Protocol.Extensions.YueBiao](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.YueBiao.svg)   | ![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.YueBiao.svg)                               | 主动安全（粤标）扩展 JT808 |
-| Install-Package JT808.Protocol.Extensions.GPS51  | ![JT808.Protocol.Extensions.GPS51](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.GPS51.svg)   | ![JT808.Protocol.Extensions.GPS51](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.GPS51.svg)   | ![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.GPS51.svg)                               | 主动安全（粤标）扩展 JT808 |
+| Install-Package JT808.Protocol.Extensions.GPS51  | ![JT808.Protocol.Extensions.GPS51](https://img.shields.io/nuget/v/JT808.Protocol.Extensions.GPS51.svg)   | ![JT808.Protocol.Extensions.GPS51](https://img.shields.io/nuget/vpre/JT808.Protocol.Extensions.GPS51.svg)   | ![JT808](https://img.shields.io/nuget/dt/JT808.Protocol.Extensions.GPS51.svg)                               | GPS51 扩展JT808|
 
 
 ## 使用 BenchmarkDotNet 性能测试报告（只是玩玩，不能当真）
diff --git a/publish.bat b/publish.bat
index 0900f92..07e9675 100644
--- a/publish.bat
+++ b/publish.bat
@@ -2,5 +2,6 @@ dotnet pack .\src\JT808.Protocol\JT808.Protocol.csproj -c Release --output nupkg
 dotnet pack .\src\JT808.Protocol.Extensions\JT808.Protocol.Extensions.JT1078\JT808.Protocol.Extensions.JT1078.csproj -c Release --output nupkgs
 dotnet pack .\src\JT808.Protocol.Extensions\JT808.Protocol.Extensions.SuBiao\JT808.Protocol.Extensions.SuBiao.csproj -c Release --output nupkgs
 dotnet pack .\src\JT808.Protocol.Extensions\JT808.Protocol.Extensions.YueBiao\JT808.Protocol.Extensions.YueBiao.csproj -c Release --output nupkgs
+dotnet pack .\src\JT808.Protocol.Extensions\JT808.Protocol.Extensions.GPS51\JT808.Protocol.Extensions.GPS51.csproj -c Release --output nupkgs
 
 pause
\ No newline at end of file
diff --git a/src/Info.props b/src/Info.props
index 5ce0552..5088a42 100644
--- a/src/Info.props
+++ b/src/Info.props
@@ -8,7 +8,7 @@
     <PackageProjectUrl>https://github.com/SmallChi/JT808</PackageProjectUrl>
     <licenseUrl>https://github.com/SmallChi/JT808/blob/master/LICENSE</licenseUrl>
     <license>https://github.com/SmallChi/JT808/blob/master/LICENSE</license>
-    <Version>2.6.6</Version>
+    <Version>2.6.7</Version>
 	<ImplicitUsings>enable</ImplicitUsings>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
diff --git a/src/JT808.Protocol.Extensions/JT808.Protocol.Extensions.GPS51/JT808.Protocol.Extensions.GPS51.csproj b/src/JT808.Protocol.Extensions/JT808.Protocol.Extensions.GPS51/JT808.Protocol.Extensions.GPS51.csproj
index 405fca6..ed6502d 100644
--- a/src/JT808.Protocol.Extensions/JT808.Protocol.Extensions.GPS51/JT808.Protocol.Extensions.GPS51.csproj
+++ b/src/JT808.Protocol.Extensions/JT808.Protocol.Extensions.GPS51/JT808.Protocol.Extensions.GPS51.csproj
@@ -5,10 +5,10 @@
     <PackageId>JT808.Protocol.Extensions.GPS51</PackageId>
     <Product>JT808.Protocol.Extensions.GPS51</Product>
     <Description>
-		JT/T1078 video message protocol based on JT/JT808 protocol and GB808 protocol extension.基于JT808协议、GB808协议扩展的JT1078视频消息协议。
+		GPS51  message protocol based on JT/JT808 protocol and GB808 protocol extension.基于JT808协议、GB808协议扩展的GPS51消息协议。
 	</Description>
     <PackageReleaseNotes>
-		JT/T1078 video message protocol based on JT/JT808 protocol and GB808 protocol extension.基于JT/T808协议、GB808协议扩展的JT/T1078视频消息协议。
+		GPS51 message protocol based on JT/JT808 protocol and GB808 protocol extension.基于JT/T808协议、GB808协议扩展的GPS51消息协议。
 	</PackageReleaseNotes>
     <DocumentationFile>JT808.Protocol.Extensions.GPS51.xml</DocumentationFile>
     <GenerateDocumentationFile>True</GenerateDocumentationFile>