diff --git a/cmd/init.go b/cmd/init.go
index 746ec7557..f163ad8f0 100644
--- a/cmd/init.go
+++ b/cmd/init.go
@@ -45,7 +45,7 @@ func init() {
 	initCmd.Flags().StringVar(&install.VIP, "vip", "10.103.97.2", "virtual ip")
 	initCmd.Flags().StringSliceVar(&install.MasterIPs, "master", []string{}, "kubernetes multi-masters ex. 192.168.0.2-192.168.0.4")
 	initCmd.Flags().StringSliceVar(&install.NodeIPs, "node", []string{}, "kubernetes multi-nodes ex. 192.168.0.5-192.168.0.5")
-	initCmd.Flags().StringVar(&install.PkgUrl, "pkg-url", "", "http://store.lameleg.com/kube1.14.1.tar.gz download offline package url, or file localtion ex. /root/kube1.14.1.tar.gz")
+	initCmd.Flags().StringVar(&install.PkgUrl, "pkg-url", "", "http://store.lameleg.com/kube1.14.1.tar.gz download offline package url, or file location ex. /root/kube1.14.1.tar.gz")
 	initCmd.Flags().StringVar(&install.Version, "version", "v1.14.1", "version is kubernetes version")
 	initCmd.Flags().StringVar(&install.Repo, "repo", "k8s.gcr.io", "choose a container registry to pull control plane images from")
 	initCmd.Flags().StringVar(&install.PodCIDR, "podcidr", "100.64.0.0/10", "Specify range of IP addresses for the pod network")
diff --git a/install/check.go b/install/check.go
index ac7beadf7..f6d74094e 100644
--- a/install/check.go
+++ b/install/check.go
@@ -1,9 +1,12 @@
 package install
 
 import (
+	"bytes"
+	"fmt"
 	"github.com/wonderivan/logger"
 	"golang.org/x/crypto/ssh"
 	"os"
+	"strings"
 )
 
 //CheckValid is
@@ -28,6 +31,7 @@ func (s *SealosInstaller) CheckValid() {
 	}
 	var session *ssh.Session
 	var errors []error
+	var hostname []string
 	for _, h := range s.Hosts {
 		session, err := SSHConfig.Connect(h)
 		if err != nil {
@@ -35,10 +39,24 @@ func (s *SealosInstaller) CheckValid() {
 			logger.Error("[%s] ------------ error[%s]", h, err)
 			errors = append(errors, err)
 		} else {
+			//check hostname
+			var stdOut, stdErr bytes.Buffer
+			session.Stdout = &stdOut
+			session.Stderr = &stdErr
+			session.Run("hostname")
+			ret := strings.Replace( stdOut.String(), "\n", "", -1 )
+			fmt.Printf("%s\n", ret)
+			hostname=append(hostname,ret)
+
 			logger.Crit("[%s]  ------------ check ok", h)
 			logger.Crit("[%s]  ------------ session[%p]", h, session)
 		}
 	}
+
+	fmt.Println(hostname[0])
+	fmt.Println(hostname[1])
+	fmt.Println(hostname[2])
+	fmt.Println(hostname[3])
 	defer func() {
 		if session != nil {
 			session.Close()
@@ -48,4 +66,12 @@ func (s *SealosInstaller) CheckValid() {
 		logger.Error("has some linux server is connection ssh is failed")
 		os.Exit(1)
 	}
+	os.Exit(1)
+}
+
+func InSlice (arr []string, val string) bool{
+	for _, v := range arr {
+		if v == val { return true }
+	}
+	return false
 }
diff --git a/install/config.go b/install/config.go
index dd305ab11..d2872c509 100644
--- a/install/config.go
+++ b/install/config.go
@@ -92,7 +92,7 @@ func (c *SealConfig) Load(path string) {
 
 	err = yaml.Unmarshal(y, c)
 	if err != nil {
-		logger.Error("unmarsha config file failed: %s", err)
+		logger.Error("unmarshal config file failed: %s", err)
 	}
 
 	MasterIPs = c.Masters
@@ -118,7 +118,7 @@ func Load(path string, content interface{}) error {
 
 	err = yaml.Unmarshal(y, content)
 	if err != nil {
-		logger.Error("unmarsha config file failed: %s", err)
+		logger.Error("unmarshal config file failed: %s", err)
 	}
 	return nil
 }
@@ -139,7 +139,7 @@ func (c *SealConfig) showDefaultConfig() {
 
 	y, err := yaml.Marshal(c)
 	if err != nil {
-		logger.Error("marsha config file failed: %s", err)
+		logger.Error("marshal config file failed: %s", err)
 	}
 
 	logger.Info("\n\n%s\n\n", string(y))