diff --git a/goping/goping.go b/goping/goping.go
index 03e6fcb..02d371c 100644
--- a/goping/goping.go
+++ b/goping/goping.go
@@ -5,6 +5,8 @@ import (
 	"encoding/binary"
 	"fmt"
 	"net"
+	"os"
+	"os/signal"
 	"time"
 )
 
@@ -147,6 +149,12 @@ func Ping(domain string, PS int) {
 
 	}
 
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt, os.Kill)
+
+	s := <-c
+	fmt.Println("Got signal:", s)
+
 	fmt.Printf("--- %s ping statistics ---\n", raddr.String())
 
 	fmt.Printf("%d packets transmitted, %f lost, %.2f%% packet loss, time 1000ms\n", icmp_seq, dropPack, dropPack/float64(icmp_seq)*100)
@@ -162,3 +170,7 @@ func Ping(domain string, PS int) {
 
 	fmt.Printf("rtt min/avg/max/mdev = %.3f/%.3f/%.3f ms", min_lan, avg_lan, max_lan)
 }
+
+func foot() {
+
+}
diff --git a/goping/ping_test.go b/goping/ping_test.go
index c42fb02..691771e 100644
--- a/goping/ping_test.go
+++ b/goping/ping_test.go
@@ -1,9 +1,19 @@
 package goping
 
 import (
+	"fmt"
+	"os"
+	"os/signal"
 	"testing"
 )
 
+func TestSign(tt *testing.T) {
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt, os.Kill)
+
+	s := <-c
+	fmt.Println("Got signal:", s)
+}
 func TestPing(tt *testing.T) {
 	//if len(os.Args) < 3 {
 	//	fmt.Printf("Param domain |data package Sizeof|trace times\n Ex: ./Ping www.so.com 100 4\n")
@@ -19,6 +29,6 @@ func TestPing(tt *testing.T) {
 	//	fmt.Println("you need input correct Counts")
 	//	os.Exit(1)
 	//}
-	Ping("www.baidu.com", 48, 5)
+	Ping("www.baidu.com", 48)
 	//Ping("www.baidu.com", 48, 5)
 }
diff --git a/pong.go b/pong.go
index cc75a8c..bdc7ded 100644
--- a/pong.go
+++ b/pong.go
@@ -4,6 +4,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"os/signal"
 	"pong/dial"
 	"pong/goping"
 	"strconv"
@@ -21,6 +22,13 @@ pong -a www.baidu.com -p 443 -k tcp -t 3
 `
 
 func main() {
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt, os.Kill)
+
+	s := <-c
+	fmt.Println("Got signal:", s)
+}
+func main1() {
 	address := flag.String("a", "", "domain or ip address")
 	port := flag.Int("p", 0, "port")
 	protocol := flag.String("k", "tcp", "protocol kind")
diff --git a/readme.md b/readme.md
index 59b8fe0..120faef 100644
--- a/readme.md
+++ b/readme.md
@@ -9,12 +9,12 @@ pong -a www.baidu.com -p 443 -k tcp -t 3
 ## build
 cd /root
 rm -rf pong
-git clone https://sre:N7q5BcbQrjpEav_iRCKBta_pVyFhUE_V@git.sre.ink/sre/pong.git
+git clone https://git.sre.ink/sre/pong.git
 cd pong
 CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on GOPROXY="https://goproxy.cn,direct" go build -v -a -o pong pong.go
 rm -rf /usr/bin/pong
 mv pong /usr/bin/
-pong www.baidu.com
+pong www.baidu.com 443