diff --git a/go.sum b/go.sum
index fcaf53c..eb67551 100644
--- a/go.sum
+++ b/go.sum
@@ -31,10 +31,8 @@ github.com/robotn/xgb v0.0.0-20190912153532-2cb92d044934 h1:2lhSR8N3T6I30q096DT7
 github.com/robotn/xgb v0.0.0-20190912153532-2cb92d044934/go.mod h1:SxQhJskUJ4rleVU44YvnrdvxQr0tKy5SRSigBrCgyyQ=
 github.com/robotn/xgbutil v0.0.0-20190912154524-c861d6f87770 h1:2uX8QRLkkxn2EpAQ6I3KhA79BkdRZfvugJUzJadiJwk=
 github.com/robotn/xgbutil v0.0.0-20190912154524-c861d6f87770/go.mod h1:svkDXUDQjUiWzLrA0OZgHc4lbOts3C+uRfP6/yjwYnU=
-github.com/shirou/gopsutil v2.19.6+incompatible h1:49/Gru26Lne9Cl3IoAVDZVM09hvkSrUodgIIsCVRwbs=
 github.com/shirou/gopsutil v2.19.6+incompatible/go.mod h1:WWnYX4lzhCH5h/3YBfyVA3VbLYjlMZZAQcW9ojMexNc=
-github.com/shirou/gopsutil v2.19.9+incompatible h1:IrPVlK4nfwW10DF7pW+7YJKws9NkgNzWozwwWv9FsgY=
-github.com/shirou/gopsutil v2.19.9+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/shirou/gopsutil v2.19.11+incompatible h1:lJHR0foqAjI4exXqWsU3DbH7bX1xvdhGdnXTIARA9W4=
 github.com/shirou/gopsutil v2.19.11+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4 h1:udFKJ0aHUL60LboW/A+DfgoHVedieIzIXE8uylPue0U=
 github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4/go.mod h1:qsXQc7+bwAM3Q1u/4XEfrquwF8Lw7D7y5cD8CuHnfIc=
@@ -56,7 +54,6 @@ golang.org/x/net v0.0.0-20190724013045-ca1201d0de80 h1:Ao/3l156eZf2AW5wK8a7/smto
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190904154756-749cb33beabd h1:DBH9mDw0zluJT/R+nGuV3jWFWLFaHyYZWD4tOT+cjn0=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190910064555-bbd175535a8b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191029155521-f43be2a4598c h1:S/FtSvpNLtFBgjTqcKsRpsa6aVsI6iztaz1bQd9BJwE=
diff --git a/main.go b/main.go
index 1fc0b23..781dc3c 100644
--- a/main.go
+++ b/main.go
@@ -3,22 +3,21 @@ package main
 import (
 	"fmt"
 	"github.com/go-vgo/robotgo"
-	winapi "github.com/lxn/win"
+	"github.com/lxn/win"
+	"os"
+	"os/signal"
 	"yumc.pw/desktop/color-pick/hot_key"
 )
 
 func main() {
-	quit := make(chan bool)
-	_, _ = hot_key.RegisterHotKey(hot_key.ModCtrl, 'Q', func() {
-		fmt.Println("Exit Color Pick...")
-		quit <- true
-	})
+	quit := make(chan os.Signal)
+	signal.Notify(quit, os.Interrupt, os.Kill)
 	_, _ = hot_key.RegisterHotKey(hot_key.ModCtrl, 'S', func() {
-		hWnd := winapi.GetForegroundWindow()
-		rect := &winapi.RECT{}
-		winapi.GetWindowRect(hWnd, rect)
-		point := &winapi.POINT{}
-		winapi.GetCursorPos(point)
+		hWnd := win.GetForegroundWindow()
+		rect := &win.RECT{}
+		win.GetWindowRect(hWnd, rect)
+		point := &win.POINT{}
+		win.GetCursorPos(point)
 		color := robotgo.GetPixelColor(int(point.X-1), int(point.Y-1))
 		rectX, rectY := int(point.X-rect.Left-1), int(point.Y-rect.Top-1)
 		fmt.Println(fmt.Sprintf("GetPixelColor hWnd: %v X: %v Y: %v color: %v",
@@ -28,47 +27,4 @@ func main() {
 	hot_key.ListenHotKey()
 	<-quit
 	hot_key.UnregisterAllHotKey()
-	//hkey := hotkey.New()
-	//
-	//quit := make(chan bool)
-	//
-	//hkey.Register(hotkey.Ctrl, 'Q', func() {
-	//	fmt.Println("Quit")
-	//	quit <- true
-	//})
-	//
-	//fmt.Println("Start hotkey's loop")
-	//fmt.Println("Push Ctrl-Q to escape and quit")
-	//<-quit
-	//_ = hot_key.RegisterHotKey(hot_key.ModCtrl+hot_key.ModAlt+hot_key.ModShift, 'S', func() {
-	//	hWnd := winapi.GetForegroundWindow()
-	//	rect := &winapi.RECT{}
-	//	winapi.GetWindowRect(hWnd, rect)
-	//	point := &winapi.POINT{}
-	//	winapi.GetCursorPos(point)
-	//	robotgo.MoveMouse(int(point.X)+5, int(point.Y)+5)
-	//	color := robotgo.GetPixelColor(int(point.X), int(point.Y))
-	//	fmt.Println(fmt.Sprintf("GetPixelColor hWnd: %v X: %v Y: %v color: %v",
-	//		hWnd, point.X-rect.Left, point.Y-rect.Top, color,
-	//	))
-	//})
-	//hot_key.ListenHotKey()
-	//select {}
-
-	//for {
-	//	hWnd := winapi.GetForegroundWindow()
-	//	rect := &winapi.RECT{}
-	//	winapi.GetWindowRect(hWnd, rect)
-	//	point := &winapi.POINT{}
-	//	winapi.GetCursorPos(point)
-	//	color := robotgo.GetPixelColor(int(point.X-1), int(point.Y-1))
-	//	rectX, rectY := int(point.X-rect.Left-1), int(point.Y-rect.Top-1)
-	//	if (rectX != preX || rectY != preY) && color != preColor {
-	//		fmt.Println(fmt.Sprintf("GetPixelColor hWnd: %v X: %v Y: %v color: %v",
-	//			hWnd, rectX, rectY, color,
-	//		))
-	//		preX, preY, preColor = rectX, rectY, color
-	//	}
-	//	time.Sleep(time.Millisecond * 300)
-	//}
 }