diff --git a/go.mod b/go.mod
index 49d3aa7..419c915 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,3 @@
 module pong
 
 go 1.19
-
-require (
-	golang.org/x/net v0.0.0-20220615171555-694bf12d69de // indirect
-	golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect
-)
diff --git a/pong_test.go b/pong_test.go
deleted file mode 100644
index 2cf2aa5..0000000
--- a/pong_test.go
+++ /dev/null
@@ -1,34 +0,0 @@
-package main
-
-//func TestPing(tt *testing.T) {
-//	p := fastping.NewPinger()
-//	ra, err := net.ResolveIPAddr("ip4:icmp", os.Args[1])
-//	if err != nil {
-//		fmt.Println(err)
-//		os.Exit(1)
-//	}
-//	p.AddIPAddr(ra)
-//	p.OnRecv = func(addr *net.IPAddr, rtt time.Duration) {
-//		fmt.Printf("IP Addr: %s receive, RTT: %v\n", addr.String(), rtt)
-//	}
-//	p.OnIdle = func() {
-//		fmt.Println("finish")
-//	}
-//	err = p.Run()
-//	if err != nil {
-//		fmt.Println(err)
-//	}
-//}
-
-//func TestPing(tt *testing.T) {
-//	cmd := exec.Command("ping", "www.google.com", "-c", "4", "-W", "5")
-//	fmt.Println("NetWorkStatus Start:", time.Now().Unix())
-//	err := cmd.Run()
-//	fmt.Println("NetWorkStatus End  :", time.Now().Unix())
-//	if err != nil {
-//		fmt.Println(err.Error())
-//	} else {
-//		fmt.Println("Net Status , OK")
-//	}
-//
-//}
diff --git a/readme.md b/readme.md
index 120faef..8dae8be 100644
--- a/readme.md
+++ b/readme.md
@@ -9,23 +9,9 @@ pong -a www.baidu.com -p 443 -k tcp -t 3
 ## build
 cd /root
 rm -rf pong
-git clone https://git.sre.ink/sre/pong.git
+git clone https://git.sre.ink/go/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 443
-
-
- 
-
-## build for arm64
-CGO_ENABLED=0 GOARM=7 GOOS=linux GOARCH=arm64 GO111MODULE=on GOPROXY="https://goproxy.cn,direct" go build -v -a -o mupload main.go
-
-## build on cmd
-set CGO_ENABLED=0
-set GO111MODULE=on
-set GOOS=linux
-set GOARCH=amd64
-set GOPROXY="https://goproxy.cn,direct"
-go build -o wechat main.go
\ No newline at end of file
+pong www.baidu.com 443
\ No newline at end of file