diff --git a/.drone.yml b/.drone.yml
index c7451a1826a..24dac2e6387 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,7 +10,7 @@ workspace:
 
 steps:
 - name: build
-  image: golang:1.11.3
+  image: golang:1.12
   commands:
       - go build -o sealos
 
diff --git a/go.sum b/go.sum
index fc63cb2937b..8e415a347a3 100644
--- a/go.sum
+++ b/go.sum
@@ -1,9 +1,11 @@
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@@ -25,6 +27,7 @@ github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/sftp v1.10.0 h1:DGA1KlA9esU6WcicH+P8PxFZOl15O6GYtab1cIJdOlE=
 github.com/pkg/sftp v1.10.0/go.mod h1:NxmoDg/QLVWluQDUYG7XBZTLUpKeFa8e3aMf1BfjyHk=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
@@ -39,6 +42,7 @@ github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/viper v1.3.2 h1:VUFqw5KcqRf7i70GOzW7N+Q7+gxVBkSSqiXB12+JQ4M=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
 github.com/wonderivan/logger v1.0.0 h1:Z6Nz+3SNcizolx3ARH11axdD4DXjFpb2J+ziGUVlv/U=
@@ -55,6 +59,7 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/install/init.go b/install/init.go
index af4c0c2570a..474a67ccb67 100644
--- a/install/init.go
+++ b/install/init.go
@@ -56,7 +56,7 @@ func (s *SealosInstaller) InstallMaster0() {
 	cmd := fmt.Sprintf("echo %s apiserver.cluster.local >> /etc/hosts", IpFormat(Masters[0]))
 	Cmd(Masters[0], cmd)
 
-	cmd = `kubeadm init --config=/root/kubeadm-config.yaml --experimental-upload-certs`
+	cmd = s.Command(Version, InitMaster)
 	output := Cmd(Masters[0], cmd)
 	decodeOutput(output)
 
diff --git a/install/join.go b/install/join.go
index 56a83196b1d..f4dceb49913 100644
--- a/install/join.go
+++ b/install/join.go
@@ -25,8 +25,7 @@ func (s *SealosInstaller) GeneratorToken() {
 
 //JoinMasters is
 func (s *SealosInstaller) JoinMasters() {
-	cmd := fmt.Sprintf("kubeadm join %s:6443 --token %s --discovery-token-ca-cert-hash %s --experimental-control-plane --certificate-key %s", IpFormat(Masters[0]), JoinToken, TokenCaCertHash, CertificateKey)
-
+	cmd := s.Command(Version, JoinMaster)
 	for _, master := range Masters[1:] {
 		cmdHosts := fmt.Sprintf("echo %s apiserver.cluster.local >> /etc/hosts", IpFormat(Masters[0]))
 		Cmd(master, cmdHosts)
@@ -50,7 +49,7 @@ func (s *SealosInstaller) JoinNodes() {
 			defer wg.Done()
 			cmdHosts := fmt.Sprintf("echo %s apiserver.cluster.local >> /etc/hosts", VIP)
 			Cmd(node, cmdHosts)
-			cmd := fmt.Sprintf("kubeadm join %s:6443 --token %s --discovery-token-ca-cert-hash %s", VIP, JoinToken, TokenCaCertHash)
+			cmd := s.Command(Version, JoinNode)
 			cmd += masters
 			Cmd(node, cmd)
 		}(node)
diff --git a/install/sealos.go b/install/sealos.go
index f464a80c673..baac02fdf15 100644
--- a/install/sealos.go
+++ b/install/sealos.go
@@ -42,25 +42,26 @@ type SealosInstaller struct {
 	Hosts []string
 }
 
-const (
-	initMaster0 = "init-master0"
-	initMasters = "init-masters"
-)
+type CommandType string
 
-//getCommand("init-master0")
-//getCommand("masters")
-//getCommand("join")
-//get command by versions
-func (s *SealosInstaller) getCommand(name string) (cmd string) {
-	cmds := make(map[string]string)
-	cmds = map[string]string{
-		initMaster0: `kubeadm init --config=/root/kubeadm-config.yaml --experimental-upload-certs`,
-		initMasters: fmt.Sprintf("kubeadm join %s:6443 --token %s --discovery-token-ca-cert-hash %s --experimental-control-plane --certificate-key %s", IpFormat(Masters[0]), JoinToken, TokenCaCertHash, CertificateKey),
-	}
+//command type
+const InitMaster CommandType = "initMaster"
+const JoinMaster CommandType = "joinMaster"
+const JoinNode CommandType = "joinNode"
 
-	if strings.HasPrefix(Version, "v1.15") {
-		cmds[initMaster0] = `kubeadm init --config=/root/kubeadm-config.yaml --upload-certs`
+func (s *SealosInstaller) Command(version string, name CommandType) (cmd string) {
+	cmds := make(map[CommandType]string)
+	cmds = map[CommandType]string{
+		InitMaster: `kubeadm init --config=/root/kubeadm-config.yaml --experimental-upload-certs`,
+		JoinMaster: fmt.Sprintf("kubeadm join %s:6443 --token %s --discovery-token-ca-cert-hash %s --experimental-control-plane --certificate-key %s", IpFormat(Masters[0]), JoinToken, TokenCaCertHash, CertificateKey),
+		JoinNode:   fmt.Sprintf("kubeadm join %s:6443 --token %s --discovery-token-ca-cert-hash %s", VIP, JoinToken, TokenCaCertHash),
 	}
+	//other version
+	//todo
+	if VersionToInt(version) >= 115 {
+		cmds[InitMaster] = `kubeadm init --config=/root/kubeadm-config.yaml --upload-certs`
+	}
+
 	v, ok := cmds[name]
 	defer func() {
 		if r := recover(); r != nil {
diff --git a/install/utils.go b/install/utils.go
index 528bea7ce83..fd792dba9e2 100644
--- a/install/utils.go
+++ b/install/utils.go
@@ -21,6 +21,20 @@ import (
 
 const oneMBByte = 1024 * 1024
 
+// v1.15.6  => 115
+func VersionToInt(version string) int {
+	// v1.15.6  => 1.15.6
+	version = strings.Replace(version, "v", "", -1)
+	versionArr := strings.Split(version, ".")
+	if len(versionArr) >= 2 {
+		versionStr := versionArr[0] + versionArr[1]
+		if i, err := strconv.Atoi(versionStr); err == nil {
+			return i
+		}
+	}
+	return 0
+}
+
 func IpFormat(host string) string {
 	ipAndPort := strings.Split(host, ":")
 	return ipAndPort[0]
diff --git a/install/utils_test.go b/install/utils_test.go
index bd18a01f86f..24560b58c4c 100644
--- a/install/utils_test.go
+++ b/install/utils_test.go
@@ -70,3 +70,7 @@ func TestPrint(t *testing.T) {
 func TestGetFileSize(t *testing.T) {
 	GetFileSize("httfp://www.affa.com")
 }
+
+func TestVersionToInt(t *testing.T) {
+	t.Log(VersionToInt("v1.15.6"))
+}