diff --git a/goping/goping.go b/goping/goping.go
index 5fd9996..bfe4d34 100644
--- a/goping/goping.go
+++ b/goping/goping.go
@@ -178,9 +178,9 @@ func foot(address string, icmp_seq int, dropPack, min_lan, avg_lan, max_lan floa
 	icmp_seq -= 1 //最后一个seq没统计过来
 	fmt.Printf("\n--- %s ping statistics ---\n", address)
 	if dropPack >= 1 {
-		fmt.Printf("%d packets transmitted, %f %s, %.2f%% packet loss, time 1000ms\n", icmp_seq, int(dropPack), red("lost"), dropPack/float64(icmp_seq)*100)
+		fmt.Printf("%d packets transmitted, %d %s, %.2f%% packet loss, time 1000ms\n", icmp_seq, int(dropPack), red("lost"), dropPack/float64(icmp_seq)*100)
 	} else {
-		fmt.Printf("%d packets transmitted, %f %s, %.2f%% packet loss, time 1000ms\n", icmp_seq, int(dropPack), green("lost"), dropPack/float64(icmp_seq)*100)
+		fmt.Printf("%d packets transmitted, %d %s, %.2f%% packet loss, time 1000ms\n", icmp_seq, int(dropPack), green("lost"), dropPack/float64(icmp_seq)*100)
 	}
 
 	if len(ret_list) == 0 {
diff --git a/readme.md b/readme.md
index d212fcc..9f5861c 100644
--- a/readme.md
+++ b/readme.md
@@ -23,7 +23,7 @@ mv pong /usr/bin/
 pong www.baidu.com 443
 ```
  
-## build
+## build amd64 on vm
 ```bash
 cd /root
 rm -rf pong