diff --git a/src/dotnetCampus.CommandLine/Properties/APIs/netcoreapp3.0/PublicAPI.Shipped.txt b/src/dotnetCampus.CommandLine/Properties/APIs/netcoreapp3.0/PublicAPI.Shipped.txt
new file mode 100644
index 0000000..46d350d
--- /dev/null
+++ b/src/dotnetCampus.CommandLine/Properties/APIs/netcoreapp3.0/PublicAPI.Shipped.txt
@@ -0,0 +1,58 @@
+dotnetCampus.Cli.CommandLine
+dotnetCampus.Cli.CommandLine.As<T>() -> T
+dotnetCampus.Cli.CommandLine.As<T>(dotnetCampus.Cli.ICommandLineOptionParser<T> parser) -> T
+static dotnetCampus.Cli.CommandLine.Parse(string[] args, string protocolName = null) -> dotnetCampus.Cli.CommandLine
+dotnetCampus.Cli.CommandLineAttribute
+dotnetCampus.Cli.CommandLineHandlerBuilder
+dotnetCampus.Cli.CommandLineHandlerBuilder.AddHandler<TVerb>(System.Action<TVerb> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineHandlerBuilder
+dotnetCampus.Cli.CommandLineHandlerBuilder.AddHandler<TVerb>(System.Func<TVerb, int> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineHandlerBuilder
+dotnetCampus.Cli.CommandLineHandlerBuilder.AddHandler<TVerb>(System.Func<TVerb, System.Threading.Tasks.Task> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+dotnetCampus.Cli.CommandLineHandlerBuilder.AddHandler<TVerb>(System.Func<TVerb, System.Threading.Tasks.Task<int>> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+dotnetCampus.Cli.CommandLineHandlerBuilder.Run() -> int
+dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+dotnetCampus.Cli.CommandLineAsyncHandlerBuilder.AddHandler<TVerb>(System.Action<TVerb> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+dotnetCampus.Cli.CommandLineAsyncHandlerBuilder.AddHandler<TVerb>(System.Func<TVerb, int> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+dotnetCampus.Cli.CommandLineAsyncHandlerBuilder.AddHandler<TVerb>(System.Func<TVerb, System.Threading.Tasks.Task> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+dotnetCampus.Cli.CommandLineAsyncHandlerBuilder.AddHandler<TVerb>(System.Func<TVerb, System.Threading.Tasks.Task<int>> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+dotnetCampus.Cli.CommandLineAsyncHandlerBuilder.RunAsync() -> System.Threading.Tasks.Task<int>
+dotnetCampus.Cli.CommandLineHandlers
+static dotnetCampus.Cli.CommandLineHandlers.AddHandler<TVerb>(this dotnetCampus.Cli.CommandLine commandLine, System.Action<TVerb> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineHandlerBuilder
+static dotnetCampus.Cli.CommandLineHandlers.AddHandler<TVerb>(this dotnetCampus.Cli.CommandLine commandLine, System.Func<TVerb, int> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineHandlerBuilder
+static dotnetCampus.Cli.CommandLineHandlers.AddHandler<TVerb>(this dotnetCampus.Cli.CommandLine commandLine, System.Func<TVerb, System.Threading.Tasks.Task> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+static dotnetCampus.Cli.CommandLineHandlers.AddHandler<TVerb>(this dotnetCampus.Cli.CommandLine commandLine, System.Func<TVerb, System.Threading.Tasks.Task<int>> handler, dotnetCampus.Cli.ICommandLineOptionParser<TVerb> parser = null) -> dotnetCampus.Cli.CommandLineAsyncHandlerBuilder
+dotnetCampus.Cli.CommandLineOptionParser<T>
+dotnetCampus.Cli.CommandLineOptionParser<T>.CommandLineOptionParser() -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.Verb.get -> string
+dotnetCampus.Cli.CommandLineOptionParser<T>.Verb.set -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(int index, System.Action<string> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(char shortName, System.Action<bool> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(char shortName, System.Action<string> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(char shortName, System.Action<System.Collections.Generic.IReadOnlyList<string>> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(string longName, System.Action<bool> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(string longName, System.Action<string> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(string longName, System.Action<System.Collections.Generic.IReadOnlyList<string>> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(char shortName, string longName, System.Action<bool> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(char shortName, string longName, System.Action<string> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.AddMatch(char shortName, string longName, System.Action<System.Collections.Generic.IReadOnlyList<string>> action) -> void
+dotnetCampus.Cli.CommandLineOptionParser<T>.SetResult(System.Func<T> commit) -> void
+dotnetCampus.Cli.ICommandLineOptionParser<T>
+dotnetCampus.Cli.ICommandLineOptionParser<T>.Verb.get -> string
+dotnetCampus.Cli.ICommandLineOptionParser<T>.SetValue(int index, string value) -> void
+dotnetCampus.Cli.ICommandLineOptionParser<T>.SetValue(char shortName, bool value) -> void
+dotnetCampus.Cli.ICommandLineOptionParser<T>.SetValue(char shortName, string value) -> void
+dotnetCampus.Cli.ICommandLineOptionParser<T>.SetValue(char shortName, System.Collections.Generic.IReadOnlyList<string> values) -> void
+dotnetCampus.Cli.ICommandLineOptionParser<T>.SetValue(string longName, bool value) -> void
+dotnetCampus.Cli.ICommandLineOptionParser<T>.SetValue(string longName, string value) -> void
+dotnetCampus.Cli.ICommandLineOptionParser<T>.SetValue(string longName, System.Collections.Generic.IReadOnlyList<string> values) -> void
+dotnetCampus.Cli.ICommandLineOptionParser<T>.Commit() -> T
+dotnetCampus.Cli.OptionAttribute
+dotnetCampus.Cli.OptionAttribute.OptionAttribute(string longName) -> void
+dotnetCampus.Cli.OptionAttribute.OptionAttribute(char shortName, string longName) -> void
+dotnetCampus.Cli.OptionAttribute.ShortName.get -> char?
+dotnetCampus.Cli.OptionAttribute.LongName.get -> string
+dotnetCampus.Cli.ValueAttribute
+dotnetCampus.Cli.ValueAttribute.ValueAttribute(int index) -> void
+dotnetCampus.Cli.ValueAttribute.Index.get -> int
+dotnetCampus.Cli.VerbAttribute
+dotnetCampus.Cli.VerbAttribute.VerbAttribute(string verbName) -> void
+dotnetCampus.Cli.VerbAttribute.VerbName.get -> string
diff --git a/src/dotnetCampus.CommandLine/Properties/APIs/netcoreapp3.0/PublicAPI.Unshipped.txt b/src/dotnetCampus.CommandLine/Properties/APIs/netcoreapp3.0/PublicAPI.Unshipped.txt
new file mode 100644
index 0000000..e69de29
diff --git a/src/dotnetCampus.CommandLine/dotnetCampus.CommandLine.csproj b/src/dotnetCampus.CommandLine/dotnetCampus.CommandLine.csproj
index a01ca14..efbd6d9 100644
--- a/src/dotnetCampus.CommandLine/dotnetCampus.CommandLine.csproj
+++ b/src/dotnetCampus.CommandLine/dotnetCampus.CommandLine.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net45;netcoreapp3.0</TargetFrameworks>
     <RootNamespace>dotnetCampus.Cli</RootNamespace>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>walterlv</Authors>
@@ -10,6 +10,7 @@
     <PackageProjectUrl>https://github.com/dotnet-campus/dotnetCampus.CommandLine</PackageProjectUrl>
     <RepositoryUrl>https://github.com/dotnet-campus/dotnetCampus.CommandLine.git</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
+    <Version>1.0.0</Version>
   </PropertyGroup>
 
   <ItemGroup>