diff --git a/examples/robot/main.go b/examples/robot/main.go
deleted file mode 100644
index 3300c9e..0000000
--- a/examples/robot/main.go
+++ /dev/null
@@ -1,255 +0,0 @@
-// Copyright 2016-2017 The go-vgo Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// https://github.com/go-vgo/robotgo/blob/master/LICENSE
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-package main
-
-import (
-	"fmt"
-
-	"github.com/go-vgo/robotgo/robot"
-	// "go-vgo/robotgo"
-)
-
-func key() {
-	////////////////////////////////////////////////////////////////////////////////
-	// Control the keyboard
-	////////////////////////////////////////////////////////////////////////////////
-
-	// importing "Hello World"
-	robotgo.TypeString("Hello World")
-
-	// press "enter"
-	robotgo.KeyTap("enter")
-	robotgo.KeyTap("a", "control")
-	// hide window
-	robotgo.KeyTap("h", "command")
-
-	// press "i", "alt", "command" Key combination
-	robotgo.KeyTap("i", "alt", "command")
-	arr := []string{"alt", "command"}
-	robotgo.KeyTap("i", arr)
-
-	// close window
-	robotgo.KeyTap("w", "command")
-	// minimize window
-	robotgo.KeyTap("m", "command")
-	robotgo.KeyTap("f1", "control")
-	robotgo.KeyTap("a", "control")
-
-	robotgo.KeyToggle("a", "down")
-	robotgo.KeyToggle("a", "down", "alt")
-	robotgo.KeyToggle("a", "down", "alt", "command")
-	robotgo.KeyToggle("enter", "down")
-
-	robotgo.TypeString("en")
-
-	// write string to clipboard
-	robotgo.WriteAll("测试")
-	// read string from clipboard
-	text, err := robotgo.ReadAll()
-	if err == nil {
-		fmt.Println(text)
-	}
-}
-
-func mouse() {
-	////////////////////////////////////////////////////////////////////////////////
-	// Control the mouse
-	////////////////////////////////////////////////////////////////////////////////
-
-	// move the mouse to 100, 200
-	robotgo.MoveMouse(100, 200)
-
-	// click the left mouse button
-	robotgo.MouseClick()
-	// click the right mouse button
-	robotgo.MouseClick("right", false)
-	// double click the left mouse button
-	robotgo.MouseClick("left", true)
-
-	// scrolls the mouse either up
-	robotgo.ScrollMouse(10, "up")
-	// toggles right mouse button
-	robotgo.MouseToggle("down", "right")
-
-	// smooth move the mouse to 100, 200
-	robotgo.MoveMouseSmooth(100, 200)
-	robotgo.MoveMouseSmooth(100, 200, 1.0, 100.0)
-
-	// gets the mouse coordinates
-	x, y := robotgo.GetMousePos()
-	fmt.Println("pos:", x, y)
-	if x == 456 && y == 586 {
-		fmt.Println("mouse...", "586")
-	}
-
-	robotgo.MouseToggle("up")
-	robotgo.MoveMouse(x, y)
-	robotgo.MoveMouse(100, 200)
-
-	for i := 0; i < 1080; i += 1000 {
-		fmt.Println(i)
-		robotgo.MoveMouse(800, i)
-	}
-
-}
-
-func screen() {
-	////////////////////////////////////////////////////////////////////////////////
-	// Read the screen
-	////////////////////////////////////////////////////////////////////////////////
-
-	abitMap := robotgo.CaptureScreen()
-	fmt.Println("abitMap...", abitMap)
-
-	gbitMap := robotgo.GoCaptureScreen()
-	fmt.Println("GoCaptureScreen...", gbitMap.Width)
-	// fmt.Println("...", gbitmap.Width, gbitmap.BytesPerPixel)
-
-	// gets the screen width and height
-	sx, sy := robotgo.GetScreenSize()
-	fmt.Println("...", sx, sy)
-
-	// gets the pixel color at 100, 200.
-	color := robotgo.GetPixelColor(100, 200)
-	fmt.Println("color----", color, "-----------------")
-
-	// gets the pixel color at 10, 20.
-	color2 := robotgo.GetPixelColor(10, 20)
-	fmt.Println("color---", color2)
-
-}
-
-func event() {
-	////////////////////////////////////////////////////////////////////////////////
-	// Global event listener
-	////////////////////////////////////////////////////////////////////////////////
-
-	fmt.Println("--- Please press v---")
-	eve := robotgo.AddEvent("v")
-
-	if eve == 0 {
-		fmt.Println("--- You press v---", "v")
-	}
-
-	fmt.Println("--- Please press k---")
-	keve := robotgo.AddEvent("k")
-	if keve == 0 {
-		fmt.Println("--- You press k---", "k")
-	}
-
-	fmt.Println("--- Please press f1---")
-	feve := robotgo.AddEvent("f1")
-	if feve == 0 {
-		fmt.Println("You press...", "f1")
-	}
-
-	fmt.Println("--- Please press left mouse button---")
-	mleft := robotgo.AddEvent("mleft")
-	if mleft == 0 {
-		fmt.Println("--- You press left mouse button---", "mleft")
-	}
-
-	mright := robotgo.AddEvent("mright")
-	if mright == 0 {
-		fmt.Println("--- You press right mouse button---", "mright")
-	}
-
-	// stop AddEvent
-	// robotgo.StopEvent()
-}
-
-func window() {
-	////////////////////////////////////////////////////////////////////////////////
-	// Window Handle
-	////////////////////////////////////////////////////////////////////////////////
-
-	// show Alert Window
-	abool := robotgo.ShowAlert("hello", "robotgo")
-	if abool == 0 {
-		fmt.Println("ok@@@", "ok")
-	}
-	robotgo.ShowAlert("hello", "robotgo", "Ok", "Cancel")
-
-	// get the current process id
-	pid := robotgo.GetPID()
-	fmt.Println("pid----", pid)
-
-	// get current Window Active
-	mdata := robotgo.GetActive()
-
-	// get current Window Handle
-	hwnd := robotgo.GetHandle()
-	fmt.Println("hwnd---", hwnd)
-
-	// get current Window Handle
-	bhwnd := robotgo.GetBHandle()
-	fmt.Println("bhwnd---", bhwnd)
-
-	// get current Window title
-	title := robotgo.GetTitle()
-	fmt.Println("title-----", title)
-
-	// set Window Active
-	robotgo.SetActive(mdata)
-
-	// find the process id by the process name
-	fpid, err := robotgo.FindIds("Google")
-	if err == nil {
-		fmt.Println("pids...", fpid)
-	}
-
-	// determine whether the process exists
-	isExist, err := robotgo.PidExists(100)
-	if err == nil {
-		fmt.Println("pid exists is", isExist)
-	}
-
-	// get the all process id
-	pids, err := robotgo.Pids()
-	if err == nil {
-		fmt.Println("pids: ", pids)
-	}
-
-	// find the process name by the process id
-	name, err := robotgo.FindName(100)
-	if err == nil {
-		fmt.Println("name: ", name)
-	}
-
-	// find the all process name
-	names, err := robotgo.FindNames()
-	if err == nil {
-		fmt.Println("name: ", names)
-	}
-
-	// get the all process struct
-	ps, err := robotgo.Process()
-	if err == nil {
-		fmt.Println("process: ", ps)
-	}
-
-	// close current Window
-	robotgo.CloseWindow()
-}
-
-func main() {
-	// Control the keyboard
-	key()
-	// Control the mouse
-	mouse()
-	// Read the screen
-	screen()
-
-	// Global event listener
-	event()
-	// Window Handle and progress
-	window()
-}
diff --git a/robotgo.go b/robotgo.go
index 5c925ab..9318d2a 100644
--- a/robotgo.go
+++ b/robotgo.go
@@ -62,7 +62,7 @@ import (
 )
 
 const (
-	version string = "v0.47.0.441, Mount Cook!"
+	version string = "v0.47.0.442, Mount Cook!"
 )
 
 type (