diff --git a/cmd/init.go b/cmd/init.go
index d842baf06..6980681b0 100644
--- a/cmd/init.go
+++ b/cmd/init.go
@@ -40,6 +40,31 @@ var contact = `
                   常见问题：sealyun.com/faq
 `
 
+var exampleInit = `
+	# init with password with three master one node
+	sealos init --passwd your-server-password  \
+	--master 192.168.0.2 --master 192.168.0.3 --master 192.168.0.4 \
+	--node 192.168.0.5 --user root \
+	--version v1.18.0 --pkg-url=/root/kube1.18.0.tar.gz 
+	
+	# init with pk-file , when your server have different password
+	sealos init --pk /root/.ssh/id_rsa \
+	--master 192.168.0.2 --node 192.168.0.5 --user root \
+	--version v1.18.0 --pkg-url=/root/kube1.18.0.tar.gz 
+
+	# when use multi network. set a can-reach with --interface 
+ 	sealos init --interface 192.168.0.254 \
+	--master 192.168.0.2 --master 192.168.0.3 --master 192.168.0.4 \
+	--node 192.168.0.5 --user root --passwd your-server-password \
+	--version v1.18.0 --pkg-url=/root/kube1.18.0.tar.gz 
+	
+	# when your interface is not "eth*|en*|em*" like.
+	sealos init --interface your-interface-name \
+	--master 192.168.0.2 --master 192.168.0.3 --master 192.168.0.4 \
+	--node 192.168.0.5 --user root --passwd your-server-password \
+	--version v1.18.0 --pkg-url=/root/kube1.18.0.tar.gz 
+`
+
 // initCmd represents the init command
 var initCmd = &cobra.Command{
 	Use:   "init",
@@ -47,6 +72,7 @@ var initCmd = &cobra.Command{
 	Long: `sealos init --master 192.168.0.2 --master 192.168.0.3 --master 192.168.0.4 \
 	--node 192.168.0.5 --user root --passwd your-server-password \
 	--version v1.18.0 --pkg-url=/root/kube1.18.0.tar.gz`,
+	Example: exampleInit,
 	Run: func(cmd *cobra.Command, args []string) {
 		c := &install.SealConfig{}
 		// 没有重大错误可以直接保存配置. 但是apiservercertsans为空. 但是不影响用户 clean
@@ -86,7 +112,7 @@ func init() {
 	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")
 	initCmd.Flags().StringVar(&install.SvcCIDR, "svccidr", "10.96.0.0/12", "Use alternative range of IP address for service VIPs")
-	initCmd.Flags().StringVar(&install.Interface, "interface", "eth.*|en.*|em.*", "name of network interface")
+	initCmd.Flags().StringVar(&install.Interface, "interface", "eth.*|en.*|em.*", "name of network interface, when use calico IP_AUTODETECTION_METHOD, set your ipv4 with can-reach=192.168.0.1")
 
 	initCmd.Flags().BoolVar(&install.WithoutCNI, "without-cni", false, "If true we not install cni plugin")
 	initCmd.Flags().StringVar(&install.Network, "network", "calico", "cni plugin, calico..")
diff --git a/install/constants.go b/install/constants.go
index d7f0d90c9..095f389f0 100644
--- a/install/constants.go
+++ b/install/constants.go
@@ -16,10 +16,14 @@ const (
 	// etcd backup
 	ETCDSNAPSHOTDEFAULTNAME = "snapshot"
 	ETCDDEFAULTBACKUPDIR    = "/opt/sealos/ectd-backup"
-	ETCDDEFAULTRESTOREDIR	= "/opt/sealos/ectd-restore"
-	ETCDDATADIR				= "/var/lib/etcd"
+	ETCDDEFAULTRESTOREDIR   = "/opt/sealos/ectd-restore"
+	ETCDDATADIR             = "/var/lib/etcd"
 	EtcdCacart              = "/root/.sealos/pki/etcd/ca.crt"
 	EtcdCert                = "/root/.sealos/pki/etcd/healthcheck-client.crt"
 	EtcdKey                 = "/root/.sealos/pki/etcd/healthcheck-client.key"
 	TMPDIR                  = "/tmp"
+
+	// kube file
+	KUBECONTROLLERCONFIGFILE = "/etc/kubernetes/controller-manager.conf"
+	KUBESCHEDULERCONFIGFILE  = "/etc/kubernetes/scheduler.conf"
 )
diff --git a/install/etcd_save.go b/install/etcd_save.go
index 1392303ba..c967ddccb 100644
--- a/install/etcd_save.go
+++ b/install/etcd_save.go
@@ -43,7 +43,6 @@ func GetEtcdBackFlags() *EtcdFlags {
 		os.Exit(0)
 	}
 	// get Etcd host
-	e.EtcdHosts = e.Masters
 	e.BackDir = EtcdBackDir
 	e.Name = SnapshotName
 	e.LongName = fmt.Sprintf("%s/%s", e.BackDir, e.Name)
diff --git a/install/init.go b/install/init.go
index 1703ab0c9..59277d24f 100644
--- a/install/init.go
+++ b/install/init.go
@@ -2,6 +2,7 @@ package install
 
 import (
 	"fmt"
+	"github.com/fanux/sealos/k8s"
 	"io/ioutil"
 	"os"
 
@@ -145,6 +146,14 @@ func (s *SealosInstaller) InstallMaster0() {
 		return
 	}
 	//cmd = `kubectl apply -f /root/kube/conf/net/calico.yaml || true`
+
+	// can-reach is used by calico multi network
+	if k8s.IsIpv4(Interface) {
+		Interface = "can-reach=" + Interface
+	} else {
+		Interface = "interface=" + Interface
+	}
+
 	netyaml := net.NewNetwork(Network, net.MetaData{
 		Interface: Interface,
 		CIDR:      PodCIDR,
@@ -165,4 +174,17 @@ func (s *SealosInstaller) SendKubeConfigs(masters []string, isMaster0 bool) {
 	SendPackage(cert.SealosConfigDir+"/admin.conf", masters, cert.KubernetesDir, nil, nil)
 	SendPackage(cert.SealosConfigDir+"/controller-manager.conf", masters, cert.KubernetesDir, nil, nil)
 	SendPackage(cert.SealosConfigDir+"/scheduler.conf", masters, cert.KubernetesDir, nil, nil)
+
+	// fix > 1.19.1 kube-controller-manager and kube-scheduler use the LocalAPIEndpoint instead of the ControlPlaneEndpoint.
+	if VersionToIntAll(Version) >= 1191 {
+		for _, v := range s.Masters {
+			ip := IpFormat(v)
+			// use grep -qF if already use sed then skip....
+			cmd := fmt.Sprintf(`grep -qF "apiserver.cluster.local" %s  && \
+sed -i 's/apiserver.cluster.local/%s/' %s && \
+sed -i 's/apiserver.cluster.local/%s/' %s`,KUBESCHEDULERCONFIGFILE, ip, KUBECONTROLLERCONFIGFILE, ip, KUBESCHEDULERCONFIGFILE)
+			SSHConfig.CmdAsync(v, cmd)
+		}
+	}
+
 }
diff --git a/install/send.go b/install/send.go
index f1a68343f..39ca2d159 100644
--- a/install/send.go
+++ b/install/send.go
@@ -3,6 +3,7 @@ package install
 import (
 	"fmt"
 	"path"
+	"sync"
 )
 
 //SendPackage is
@@ -15,13 +16,28 @@ func (s *SealosInstaller) SendPackage() {
 	PkgUrl = SendPackage(PkgUrl, s.Hosts, "/root", nil, &kubeHook)
 
 
+	// override sealos to avoid old version problem
+	sealos := FetchSealosAbsPath()
+	beforeHook := "ps -ef |grep -v 'grep'|grep sealos >/dev/null || rm -rf /usr/bin/sealos"
+	afterHook := "chmod a+x /usr/bin/sealos"
+	var wg sync.WaitGroup
+	for _, node := range s.Hosts {
+		wg.Add(1)
+		go func(node string) {
+			defer wg.Done()
+			SSHConfig.CmdAsync(node,beforeHook)
+			SSHConfig.CopyLocalToRemote(node, sealos, "/usr/bin/sealos")
+			SSHConfig.CmdAsync(node, afterHook)
+		}(node)
+	}
+	wg.Wait()
 }
 
 // SendSealos is send the exec sealos to /usr/sbin/sealos
 func (s *SealosInstaller) SendSealos()  {
 	// send sealos first to avoid old version
 	sealos := FetchSealosAbsPath()
-	beforeHook := "ps -ef |grep -v 'grep'|grep sealos >/dev/null || rm -rf /usr/bin/sealos"
+	beforeHook := "ps -ef |grep -v 'grep'|grep sealos >/dev/null || rm -rf /usr/sbin/sealos"
 	afterHook := "chmod a+x /usr/sbin/sealos"
 	SendPackage(sealos, s.Hosts, "/usr/sbin", &beforeHook, &afterHook)
 }
\ No newline at end of file
diff --git a/install/utils.go b/install/utils.go
index f46649231..683463c5a 100644
--- a/install/utils.go
+++ b/install/utils.go
@@ -133,6 +133,19 @@ func VersionToInt(version string) int {
 	return 0
 }
 
+//VersionToIntAll v1.19.1 ==> 1191
+func VersionToIntAll(version string) int {
+	version = strings.Replace(version,"v","", -1)
+	arr := strings.Split(version,".")
+	if len(arr) >= 3 {
+		str := arr[0] + arr[1] + arr[2]
+		if i, err := strconv.Atoi(str) ;err == nil {
+			return i
+		}
+	}
+	return 0
+}
+
 //IpFormat is
 func IpFormat(host string) string {
 	ipAndPort := strings.Split(host, ":")
diff --git a/install/utils_test.go b/install/utils_test.go
index 726ad284d..f159e3cc0 100644
--- a/install/utils_test.go
+++ b/install/utils_test.go
@@ -144,3 +144,24 @@ func TestFileExist(t *testing.T) {
 		})
 	}
 }
+
+func TestVersionToIntAll(t *testing.T) {
+	type args struct {
+		version string
+	}
+	tests := []struct {
+		name string
+		args args
+		want int
+	}{
+		{"test01", args{"v1.19.1"}, 1191},
+		{"test01", args{"v1.15.1"}, 1151},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := VersionToIntAll(tt.args.version); got != tt.want {
+				t.Errorf("VersionToInt() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
\ No newline at end of file
diff --git a/net/calico.go b/net/calico.go
index 29a2569f1..2543b0638 100644
--- a/net/calico.go
+++ b/net/calico.go
@@ -9,7 +9,7 @@ func (c Calico) Manifests(template string) string {
 		template = c.Template()
 	}
 	if c.metadata.Interface == "" {
-		c.metadata.Interface = defaultInterface
+		c.metadata.Interface = "interface=" + defaultInterface
 	}
 	if c.metadata.CIDR == "" {
 		c.metadata.CIDR = defaultCIDR
@@ -627,7 +627,7 @@ spec:
             - name: IP
               value: "autodetect"
             - name: IP_AUTODETECTION_METHOD
-              value: "interface={{ .Interface }}"
+              value: "{{ .Interface }}"
             # Enable IPIP
             - name: CALICO_IPV4POOL_IPIP
               value: "{{if not .IPIP }}Off{{else}}Always{{end}}"
diff --git a/net/net_test.go b/net/net_test.go
index bdd6fb932..b2d58436d 100644
--- a/net/net_test.go
+++ b/net/net_test.go
@@ -7,7 +7,15 @@ import (
 
 func TestNewNetwork(t *testing.T) {
 	netyaml := NewNetwork("calico", MetaData{
-		Interface: "en.*|eth.*",
+		Interface: "interface=en.*|eth.*",
+		CIDR:      "10.1.1.1/24",
+		IPIP:      true,
+		MTU:       "1440",
+	}).Manifests("")
+	fmt.Println(netyaml)
+
+	netyaml = NewNetwork("calico", MetaData{
+		Interface: "can-reach=192.168.160.1",
 		CIDR:      "10.1.1.1/24",
 		IPIP:      true,
 		MTU:       "1440",