diff --git a/README.md b/README.md
index ef61f22..7e446e1 100644
--- a/README.md
+++ b/README.md
@@ -5,13 +5,11 @@
 [![GitHub tag (latest SemVer)](https://img.shields.io/github/tag/gookit/gcli)](https://github.com/gookit/gcli)
 [![Build Status](https://travis-ci.org/gookit/gcli.svg?branch=master)](https://travis-ci.org/gookit/gcli)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/60c587f0491748fcabc1b3fe08d98074)](https://app.codacy.com/app/inhere/gcli?utm_source=github.com&utm_medium=referral&utm_content=gookit/gcli&utm_campaign=Badge_Grade_Dashboard)
-[![GoDoc](https://pkg.go.dev/github.com/gookit/gcli?status.svg)](https://godoc.org/github.com/gookit/gcli/v3)
+[![GoDoc](https://godoc.org/github.com/gookit/gcli?status.svg)](https://pkg.go.dev/github.com/gookit/gcli/v3)
 [![Go Report Card](https://goreportcard.com/badge/github.com/gookit/gcli)](https://goreportcard.com/report/github.com/gookit/gcli)
 [![Coverage Status](https://coveralls.io/repos/github/gookit/gcli/badge.svg?branch=master)](https://coveralls.io/github/gookit/gcli?branch=master)
 
-A simple to use command line application, written using golang.
-
-> Since `v2.3.0`, option binding and argument binding have been reconstructed, which may be incompatible with the previous ones.
+A simple-to-use command line application, written using golang.
 
 ## [中文说明](README.zh-CN.md)
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 47f6fc3..ea52c9c 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -5,14 +5,12 @@
 [![GitHub tag (latest SemVer)](https://img.shields.io/github/tag/gookit/gcli)](https://github.com/gookit/gcli)
 [![Build Status](https://travis-ci.org/gookit/gcli.svg?branch=master)](https://travis-ci.org/gookit/gcli)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/60c587f0491748fcabc1b3fe08d98074)](https://app.codacy.com/app/inhere/gcli?utm_source=github.com&utm_medium=referral&utm_content=gookit/gcli&utm_campaign=Badge_Grade_Dashboard)
-[![GoDoc](https://pkg.go.dev/github.com/gookit/gcli?status.svg)](https://pkg.go.dev/github.com/gookit/gcli/v3)
+[![GoDoc](https://godoc.org/github.com/gookit/gcli?status.svg)](https://pkg.go.dev/github.com/gookit/gcli/v3)
 [![Go Report Card](https://goreportcard.com/badge/github.com/gookit/gcli)](https://goreportcard.com/report/github.com/gookit/gcli)
 [![Coverage Status](https://coveralls.io/repos/github/gookit/gcli/badge.svg?branch=master)](https://coveralls.io/github/gookit/gcli?branch=master)
 
 一个Golang下的简单易用的命令行应用，工具库。包含运行命令，颜色风格，数据展示，进度显示，交互方法等
 
-> 自 `v2.3.0` 重构了选项绑定和参数绑定，可能会跟之前有一些不兼容。
-
 ## [ENGLISH](README.md)
 
 The english introduction please ses **[README](README.md)**
diff --git a/cmd.go b/cmd.go
index 4042c02..c5d2671 100644
--- a/cmd.go
+++ b/cmd.go
@@ -108,6 +108,9 @@ func NewCommand(name, desc string, fn ...func(c *Command)) *Command {
 
 // SetFunc Settings command handler func
 func (c *Command) Match(nodes []string) *Command {
+	// must ensure is initialized
+	c.initialize()
+
 	ln := len(nodes)
 	if ln == 0 {
 		return c
@@ -178,6 +181,18 @@ func (c *Command) AddCommand(sub *Command) {
 	c.commandBase.addCommand(sub)
 }
 
+// init core
+func (c *Command) initCore(cmdName string) {
+	c.core.cmdLine = CLI
+
+	c.AddVars(c.innerHelpVars())
+	c.AddVars(map[string]string{
+		"cmd": cmdName,
+		// full command
+		"fullCmd": c.binFile + " " + cmdName,
+	})
+}
+
 // initialize works for the command
 func (c *Command) initialize() {
 	if c.initialized {
@@ -188,7 +203,9 @@ func (c *Command) initialize() {
 	cName := c.goodName()
 
 	// init core
-	c.core.init(cName)
+	c.initCore(cName)
+	// c.core.init(cName)
+	// c.core = newCore(cName)
 
 	// init commandBase
 	c.commandBase = newCommandBase()
@@ -433,14 +450,13 @@ func (c *Command) Run(inArgs []string) (err error) {
 
 	// binding global options
 	bindingCommonGOpts(c.gFlags)
-
 	// TODO parse global options
 
 	// init the command
 	c.initialize()
 
 	// add default error handler.
-	c.Hooks.AddOn(EvtCmdError, defaultErrHandler)
+	c.AddOn(EvtCmdError, defaultErrHandler)
 
 	// check input args
 	if len(inArgs) == 0 {
diff --git a/cmd_test.go b/cmd_test.go
index bbf7efa..56280ba 100644
--- a/cmd_test.go
+++ b/cmd_test.go
@@ -135,12 +135,13 @@ var r = &gcli.Command{
 }
 
 func TestCommand_Match(t *testing.T) {
-	err := r.Run([]string{})
+	err := r.Run([]string{"git"})
 	fmt.Println(err)
 	c := r.MatchByPath("git:add")
 
 	assert.NotNil(t, c)
 	assert.Equal(t, "add", c.Name)
+	assert.Equal(t, "git", c.Parent().Name)
 }
 
 func TestCommand_RunWithSubs(t *testing.T) {
diff --git a/core.go b/core.go
index 8430d2e..2ce682a 100644
--- a/core.go
+++ b/core.go
@@ -23,6 +23,20 @@ type core struct {
 	GOptsBinder func(gf *Flags)
 }
 
+func newCore(cmdName string) core {
+	c := core{}
+
+	c.cmdLine = CLI
+	c.AddVars(c.innerHelpVars())
+	c.AddVars(map[string]string{
+		"cmd": cmdName,
+		// full command
+		"fullCmd": c.binFile + " " + cmdName,
+	})
+
+	return c
+}
+
 // init core
 func (c core) init(cmdName string) {
 	c.cmdLine = CLI