diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 78cdcbdf..ea258718 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -8,6 +8,7 @@
 ### For the bug fixes or features only
 
 - [ ] [Quality Gate Passed](https://sonarcloud.io/dashboard?id=jenkins-zh_jenkins-cli). Change this URL to your PR.
+- [ ] The coverage is xxx on the new lines
 - [ ] I've tested it locally
 
 <!--
diff --git a/app/cmd/center_identity.go b/app/cmd/center_identity.go
new file mode 100644
index 00000000..30cbf228
--- /dev/null
+++ b/app/cmd/center_identity.go
@@ -0,0 +1,43 @@
+package cmd
+
+import (
+	"encoding/json"
+	"github.com/jenkins-zh/jenkins-cli/app/i18n"
+
+	"github.com/jenkins-zh/jenkins-cli/client"
+	"github.com/spf13/cobra"
+)
+
+// CenterIdentityOption option for upgrade Jenkins
+type CenterIdentityOption struct {
+	CommonOption
+}
+
+var centerIdentityOption CenterIdentityOption
+
+func init() {
+	centerCmd.AddCommand(centerIdentityCmd)
+}
+
+var centerIdentityCmd = &cobra.Command{
+	Use:   "identity",
+	Short: i18n.T("Print the identity of current Jenkins"),
+	Long:  i18n.T("Print the identity of current Jenkins"),
+	RunE: func(cmd *cobra.Command, _ []string) (err error) {
+		jClient := &client.CoreClient{
+			JenkinsCore: client.JenkinsCore{
+				RoundTripper: centerIdentityOption.RoundTripper,
+			},
+		}
+		getCurrentJenkinsAndClient(&(jClient.JenkinsCore))
+
+		var identity client.JenkinsIdentity
+		var data []byte
+		if identity, err = jClient.GetIdentity(); err == nil {
+			if data, err = json.MarshalIndent(identity, "", " "); err == nil {
+				cmd.Println(string(data))
+			}
+		}
+		return
+	},
+}
diff --git a/app/cmd/center_identity_test.go b/app/cmd/center_identity_test.go
new file mode 100644
index 00000000..e8f2f802
--- /dev/null
+++ b/app/cmd/center_identity_test.go
@@ -0,0 +1,64 @@
+package cmd
+
+import (
+	"bytes"
+	"github.com/golang/mock/gomock"
+	"github.com/jenkins-zh/jenkins-cli/client"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"io/ioutil"
+	"os"
+
+	"github.com/jenkins-zh/jenkins-cli/mock/mhttp"
+)
+
+var _ = Describe("center identity command", func() {
+	var (
+		ctrl           *gomock.Controller
+		roundTripper   *mhttp.MockRoundTripper
+		targetFilePath string
+
+		err error
+	)
+
+	BeforeEach(func() {
+		ctrl = gomock.NewController(GinkgoT())
+		roundTripper = mhttp.NewMockRoundTripper(ctrl)
+		centerIdentityOption.RoundTripper = roundTripper
+		targetFilePath = "jenkins.war"
+
+		rootOptions.Jenkins = ""
+		rootOptions.ConfigFile = "test.yaml"
+	})
+
+	AfterEach(func() {
+		rootCmd.SetArgs([]string{})
+		err = os.Remove(targetFilePath)
+		ctrl.Finish()
+	})
+
+	Context("basic cases", func() {
+		It("should not error", func() {
+			var data []byte
+			data, err = generateSampleConfig()
+			Expect(err).To(BeNil())
+			err = ioutil.WriteFile(rootOptions.ConfigFile, data, 0664)
+			Expect(err).To(BeNil())
+
+			client.PrepareForGetIdentity(roundTripper, "http://localhost:8080/jenkins",
+				"admin", "111e3a2f0231198855dceaff96f20540a9")
+
+			buf := new(bytes.Buffer)
+			rootCmd.SetOut(buf)
+			rootCmd.SetArgs([]string{"center", "identity"})
+			_, err = rootCmd.ExecuteC()
+			Expect(err).NotTo(HaveOccurred())
+			Expect(buf.String()).To(Equal(`{
+ "Fingerprint": "fingerprint",
+ "PublicKey": "publicKey",
+ "SystemMessage": "systemMessage"
+}
+`))
+		})
+	})
+})
diff --git a/app/cmd/center_upgrade.go b/app/cmd/center_upgrade.go
index 9d263d44..4aebd34d 100644
--- a/app/cmd/center_upgrade.go
+++ b/app/cmd/center_upgrade.go
@@ -25,20 +25,12 @@ var centerUpgradeCmd = &cobra.Command{
 	Short: i18n.T("Upgrade your Jenkins"),
 	Long:  i18n.T("Upgrade your Jenkins"),
 	RunE: func(cmd *cobra.Command, _ []string) (err error) {
-		jenkins := getCurrentJenkinsFromOptionsOrDie()
-
 		jclient := &client.UpdateCenterManager{
 			JenkinsCore: client.JenkinsCore{
 				RoundTripper: centerUpgradeOption.RoundTripper,
 			},
 		}
-		jclient.URL = jenkins.URL
-		jclient.UserName = jenkins.UserName
-		jclient.Token = jenkins.Token
-		jclient.Proxy = jenkins.Proxy
-		jclient.ProxyAuth = jenkins.ProxyAuth
-
-		err = jclient.Upgrade()
-		return
+		getCurrentJenkinsAndClient(&(jclient.JenkinsCore))
+		return jclient.Upgrade()
 	},
 }
diff --git a/client/core.go b/client/core.go
index 4283ba08..656a14c3 100644
--- a/client/core.go
+++ b/client/core.go
@@ -31,3 +31,16 @@ func (q *CoreClient) Restart() (err error) {
 	_, err = q.RequestWithoutData("POST", "/safeRestart", nil, nil, 503)
 	return
 }
+
+// JenkinsIdentity belongs to a Jenkins
+type JenkinsIdentity struct {
+	Fingerprint   string
+	PublicKey     string
+	SystemMessage string
+}
+
+// GetIdentity returns the identity of a Jenkins
+func (q *CoreClient) GetIdentity() (identity JenkinsIdentity, err error) {
+	err = q.RequestWithData("GET", "/instance", nil, nil, 200, &identity)
+	return
+}
diff --git a/client/core_test.go b/client/core_test.go
index 78fc8694..cab527cf 100644
--- a/client/core_test.go
+++ b/client/core_test.go
@@ -26,6 +26,9 @@ var _ = Describe("core test", func() {
 
 		username = "admin"
 		password = "token"
+
+		coreClient.UserName = username
+		coreClient.Token = password
 	})
 
 	AfterEach(func() {
@@ -34,9 +37,6 @@ var _ = Describe("core test", func() {
 
 	Context("Get", func() {
 		It("should success", func() {
-			coreClient.UserName = username
-			coreClient.Token = password
-
 			PrepareRestart(roundTripper, coreClient.URL, username, password, 503)
 
 			err := coreClient.Restart()
@@ -44,13 +44,22 @@ var _ = Describe("core test", func() {
 		})
 
 		It("should error, 400", func() {
-			coreClient.UserName = username
-			coreClient.Token = password
-
 			PrepareRestart(roundTripper, coreClient.URL, username, password, 400)
 
 			err := coreClient.Restart()
 			Expect(err).To(HaveOccurred())
 		})
+
+		It("GetIdentity", func() {
+			PrepareForGetIdentity(roundTripper, coreClient.URL, username, password)
+
+			identity, err := coreClient.GetIdentity()
+			Expect(err).NotTo(HaveOccurred())
+			Expect(identity).To(Equal(JenkinsIdentity{
+				Fingerprint:   "fingerprint",
+				PublicKey:     "publicKey",
+				SystemMessage: "systemMessage",
+			}))
+		})
 	})
 })
diff --git a/client/core_test_common.go b/client/core_test_common.go
index a777e310..8e76cd66 100644
--- a/client/core_test_common.go
+++ b/client/core_test_common.go
@@ -1,15 +1,34 @@
 package client
 
 import (
+	"bytes"
 	"fmt"
 	"github.com/jenkins-zh/jenkins-cli/mock/mhttp"
+	"io/ioutil"
 	"net/http"
 )
 
-//PrepareRestart only for test
+// PrepareRestart only for test
 func PrepareRestart(roundTripper *mhttp.MockRoundTripper, rootURL, user, password string, statusCode int) {
 	request, _ := http.NewRequest("POST", fmt.Sprintf("%s/safeRestart", rootURL), nil)
 	response := PrepareCommonPost(request, "", roundTripper, user, password, rootURL)
 	response.StatusCode = statusCode
 	return
 }
+
+// PrepareForGetIdentity only for test
+func PrepareForGetIdentity(roundTripper *mhttp.MockRoundTripper, rootURL, user, password string) {
+	request, _ := http.NewRequest("GET", fmt.Sprintf("%s/instance", rootURL), nil)
+	response := &http.Response{
+		StatusCode: 200,
+		Request:    request,
+		Body: ioutil.NopCloser(bytes.NewBufferString(`
+{"fingerprint":"fingerprint","publicKey":"publicKey","systemMessage":"systemMessage"}`)),
+	}
+	roundTripper.EXPECT().
+		RoundTrip(request).Return(response, nil)
+
+	if user != "" && password != "" {
+		request.SetBasicAuth(user, password)
+	}
+}