diff --git a/.gitignore b/.gitignore
index 65f1105..a919aef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,10 +3,6 @@
 # will have compiled files and executables
 /target/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
 # These are backup files generated by rustfmt
 **/*.rs.bk
 
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..68c9739
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,290 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "ansi_term"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
+dependencies = [
+ "winapi",
+]
+
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+ "hermit-abi",
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+ "winapi",
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+
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+ "ansi_term",
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+ "bitflags",
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+ "vec_map",
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+ "lazy_static",
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+ "term_size",
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+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
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+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c603f87
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "cargotool"
+version = "0.0.1"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+license = "MIT"
+readme = "README.md"
+keywords = ["cargotool"]
+description = "Rust Tool - Cargo command line tool"
+repository = "https://git.hatter.ink/hatter/cargotool"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = "2.33.3"
+toml = "0.5.6"
+rust_util = "0.6.15"
+
diff --git a/src/cmd.rs b/src/cmd.rs
new file mode 100644
index 0000000..6ec2e12
--- /dev/null
+++ b/src/cmd.rs
@@ -0,0 +1,13 @@
+use clap::{ArgMatches, App};
+use rust_util::XResult;
+
+pub type CommandError = XResult<()>;
+
+pub trait Command {
+
+    fn name(&self) -> &str;
+
+    fn subcommand<'a>(&self) -> App<'a, 'a>;
+
+    fn run(&self, arg_matches: &ArgMatches, _: &ArgMatches) -> CommandError;
+}
diff --git a/src/cmd_default.rs b/src/cmd_default.rs
new file mode 100644
index 0000000..33ac253
--- /dev/null
+++ b/src/cmd_default.rs
@@ -0,0 +1,19 @@
+use clap::{App, Arg, ArgMatches};
+use crate::cmd::CommandError;
+
+pub struct CommandImpl;
+
+impl CommandImpl {
+
+    pub fn process_command<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
+        app.arg(Arg::with_name("verbose").long("verbose").short("v").multiple(true).help("Show verbose info"))
+    }
+
+    pub fn run(arg_matches: &ArgMatches) -> CommandError {
+        let verbose_count = arg_matches.occurrences_of("verbose");
+        information!("Verbose count: {}", verbose_count);
+        information!("This is default command cli ...");
+        // TODO ...
+        Ok(())
+    }
+}
\ No newline at end of file
diff --git a/src/cmd_test.rs b/src/cmd_test.rs
new file mode 100644
index 0000000..51e5979
--- /dev/null
+++ b/src/cmd_test.rs
@@ -0,0 +1,17 @@
+use clap::{ArgMatches, SubCommand, App};
+use crate::cmd::{Command, CommandError};
+
+pub struct CommandImpl;
+
+impl Command for CommandImpl {
+
+    fn name(&self) -> &str { "test" }
+
+    fn subcommand<'a>(&self) -> App<'a, 'a> {
+        SubCommand::with_name(self.name()).about("Test subcommand")
+    }
+
+    fn run(&self, _arg_matches: &ArgMatches, _sub_arg_matches: &ArgMatches) -> CommandError {
+        Ok(())
+    }
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..4feb1bc
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,31 @@
+#[macro_use] extern crate rust_util;
+
+mod cmd;
+mod cmd_default;
+mod cmd_test;
+
+use clap::App;
+use cmd::{Command, CommandError};
+
+fn main() -> CommandError {
+    let commands: Vec<Box<dyn Command>> = vec![
+        // Box::new(cmd_elf::CommandElf),
+        // Box::new(cmd_show::CommandShow),
+    ];
+    let mut app = App::new(env!("CARGO_PKG_NAME"))
+                    .version(env!("CARGO_PKG_VERSION"))
+                    .about(env!("CARGO_PKG_DESCRIPTION"));
+    app = cmd_default::CommandImpl::process_command(app);
+    for command in &commands {
+        app = app.subcommand(command.subcommand());
+    }
+
+    let matches = app.get_matches();
+    for command in &commands {
+        if let Some(sub_cmd_matches) = matches.subcommand_matches(command.name()) {
+            return command.run(&matches, sub_cmd_matches);
+        }
+    }
+
+    cmd_default::CommandImpl::run(&matches)
+}