diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index 061c98c87..7836425e2 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -4734,6 +4734,9 @@ definitions:
       description:
         type: string
         description: The description of robot account
+      expiration:
+        type: integer
+        description: The expiration of robot account
       project_id:
         type: integer
         description: The project id of robot account
diff --git a/make/migrations/postgresql/0004_add_robot_account.up.sql b/make/migrations/postgresql/0004_add_robot_account.up.sql
index c2e3d273b..4c2579a3d 100644
--- a/make/migrations/postgresql/0004_add_robot_account.up.sql
+++ b/make/migrations/postgresql/0004_add_robot_account.up.sql
@@ -3,6 +3,7 @@ CREATE TABLE robot (
  name varchar(255),
  description varchar(1024),
  project_id int,
+ expiration int,
  disabled boolean DEFAULT false NOT NULL,
  creation_time timestamp default CURRENT_TIMESTAMP,
  update_time timestamp default CURRENT_TIMESTAMP,
diff --git a/src/common/config/metadata/metadatalist.go b/src/common/config/metadata/metadatalist.go
index 1c54a015c..7e253f50d 100644
--- a/src/common/config/metadata/metadatalist.go
+++ b/src/common/config/metadata/metadatalist.go
@@ -51,7 +51,6 @@ const (
 )
 
 var (
-
 	// ConfigList - All configure items used in harbor
 	// Steps to onboard a new setting
 	// 1. Add configure item in metadatalist.go
@@ -131,5 +130,6 @@ var (
 		{Name: "with_chartmuseum", Scope: SystemScope, Group: BasicGroup, EnvKey: "WITH_CHARTMUSEUM", DefaultValue: "false", ItemType: &BoolType{}, Editable: true},
 		{Name: "with_clair", Scope: SystemScope, Group: BasicGroup, EnvKey: "WITH_CLAIR", DefaultValue: "false", ItemType: &BoolType{}, Editable: true},
 		{Name: "with_notary", Scope: SystemScope, Group: BasicGroup, EnvKey: "WITH_NOTARY", DefaultValue: "false", ItemType: &BoolType{}, Editable: true},
+		{Name: "robot_token_expiration", Scope: UserScope, Group: BasicGroup, EnvKey: "ROBOT_TOKEN_EXPIRATION", DefaultValue: "30", ItemType: &IntType{}, Editable: true},
 	}
 )
diff --git a/src/common/const.go b/src/common/const.go
index f6ae886ad..0875f90c3 100644
--- a/src/common/const.go
+++ b/src/common/const.go
@@ -117,6 +117,7 @@ const (
 	DefaultRegistryCtlURL             = "http://registryctl:8080"
 	DefaultClairHealthCheckServerURL  = "http://clair:6061"
 	// Use this prefix to distinguish harbor user, the prefix contains a special character($), so it cannot be registered as a harbor user.
-	RobotPrefix    = "robot$"
-	CoreConfigPath = "/api/internal/configurations"
+	RobotPrefix          = "robot$"
+	CoreConfigPath       = "/api/internal/configurations"
+	RobotTokenExpiration = "robot_token_expiration"
 )
diff --git a/src/common/models/robot.go b/src/common/models/robot.go
index 6998c4a3f..ec85c5dd2 100644
--- a/src/common/models/robot.go
+++ b/src/common/models/robot.go
@@ -29,6 +29,7 @@ type Robot struct {
 	Name         string    `orm:"column(name)" json:"name"`
 	Description  string    `orm:"column(description)" json:"description"`
 	ProjectID    int64     `orm:"column(project_id)" json:"project_id"`
+	Expiration   int64     `orm:"column(expiration)" json:"expiration"`
 	Disabled     bool      `orm:"column(disabled)" json:"disabled"`
 	CreationTime time.Time `orm:"column(creation_time);auto_now_add" json:"creation_time"`
 	UpdateTime   time.Time `orm:"column(update_time);auto_now" json:"update_time"`
diff --git a/src/common/token/claims.go b/src/common/token/claims.go
index 4739f9d21..f8cd2dc65 100644
--- a/src/common/token/claims.go
+++ b/src/common/token/claims.go
@@ -25,5 +25,9 @@ func (rc RobotClaims) Valid() error {
 	if rc.Access == nil {
 		return errors.New("The access info cannot be nil")
 	}
+	stdErr := rc.StandardClaims.Valid()
+	if stdErr != nil {
+		return stdErr
+	}
 	return nil
 }
diff --git a/src/common/token/htoken.go b/src/common/token/htoken.go
index ac9067820..897c50467 100644
--- a/src/common/token/htoken.go
+++ b/src/common/token/htoken.go
@@ -19,14 +19,15 @@ type HToken struct {
 }
 
 // New ...
-func New(tokenID, projectID int64, access []*rbac.Policy) (*HToken, error) {
+func New(tokenID, projectID, expiresAt int64, access []*rbac.Policy) (*HToken, error) {
 	rClaims := &RobotClaims{
 		TokenID:   tokenID,
 		ProjectID: projectID,
 		Access:    access,
 		StandardClaims: jwt.StandardClaims{
-			ExpiresAt: time.Now().Add(DefaultOptions.TTL).Unix(),
-			Issuer:    DefaultOptions.Issuer,
+			IssuedAt:  time.Now().UTC().Unix(),
+			ExpiresAt: expiresAt,
+			Issuer:    DefaultOptions().Issuer,
 		},
 	}
 	err := rClaims.Valid()
@@ -34,13 +35,13 @@ func New(tokenID, projectID int64, access []*rbac.Policy) (*HToken, error) {
 		return nil, err
 	}
 	return &HToken{
-		Token: *jwt.NewWithClaims(DefaultOptions.SignMethod, rClaims),
+		Token: *jwt.NewWithClaims(DefaultOptions().SignMethod, rClaims),
 	}, nil
 }
 
 // Raw get the Raw string of token
 func (htk *HToken) Raw() (string, error) {
-	key, err := DefaultOptions.GetKey()
+	key, err := DefaultOptions().GetKey()
 	if err != nil {
 		return "", nil
 	}
@@ -54,12 +55,12 @@ func (htk *HToken) Raw() (string, error) {
 
 // ParseWithClaims ...
 func ParseWithClaims(rawToken string, claims jwt.Claims) (*HToken, error) {
-	key, err := DefaultOptions.GetKey()
+	key, err := DefaultOptions().GetKey()
 	if err != nil {
 		return nil, err
 	}
 	token, err := jwt.ParseWithClaims(rawToken, claims, func(token *jwt.Token) (interface{}, error) {
-		if token.Method.Alg() != DefaultOptions.SignMethod.Alg() {
+		if token.Method.Alg() != DefaultOptions().SignMethod.Alg() {
 			return nil, errors.New("invalid signing method")
 		}
 		switch k := key.(type) {
@@ -75,9 +76,10 @@ func ParseWithClaims(rawToken string, claims jwt.Claims) (*HToken, error) {
 		log.Errorf(fmt.Sprintf("parse token error, %v", err))
 		return nil, err
 	}
+
 	if !token.Valid {
 		log.Errorf(fmt.Sprintf("invalid jwt token, %v", token))
-		return nil, err
+		return nil, errors.New("invalid jwt token")
 	}
 	return &HToken{
 		Token: *token,
diff --git a/src/common/token/htoken_test.go b/src/common/token/htoken_test.go
index e2d81b10c..38e187ef7 100644
--- a/src/common/token/htoken_test.go
+++ b/src/common/token/htoken_test.go
@@ -3,6 +3,7 @@ package token
 import (
 	"os"
 	"testing"
+	"time"
 
 	"github.com/goharbor/harbor/src/common/rbac"
 	"github.com/goharbor/harbor/src/core/config"
@@ -30,7 +31,9 @@ func TestNew(t *testing.T) {
 
 	tokenID := int64(123)
 	projectID := int64(321)
-	token, err := New(tokenID, projectID, policies)
+	tokenExpiration := time.Duration(10) * 24 * time.Hour
+	expiresAt := time.Now().UTC().Add(tokenExpiration).Unix()
+	token, err := New(tokenID, projectID, expiresAt, policies)
 
 	assert.Nil(t, err)
 	assert.Equal(t, token.Header["alg"], "RS256")
@@ -49,7 +52,9 @@ func TestRaw(t *testing.T) {
 	tokenID := int64(123)
 	projectID := int64(321)
 
-	token, err := New(tokenID, projectID, policies)
+	tokenExpiration := time.Duration(10) * 24 * time.Hour
+	expiresAt := time.Now().UTC().Add(tokenExpiration).Unix()
+	token, err := New(tokenID, projectID, expiresAt, policies)
 	assert.Nil(t, err)
 
 	rawTk, err := token.Raw()
diff --git a/src/common/token/options.go b/src/common/token/options.go
index a3328d82e..747d7435d 100644
--- a/src/common/token/options.go
+++ b/src/common/token/options.go
@@ -16,12 +16,6 @@ const (
 	signedMethod = "RS256"
 )
 
-var (
-	privateKey = config.TokenPrivateKeyPath()
-	// DefaultOptions ...
-	DefaultOptions = NewOptions()
-)
-
 // Options ...
 type Options struct {
 	SignMethod jwt.SigningMethod
@@ -31,9 +25,10 @@ type Options struct {
 	Issuer     string
 }
 
-// NewOptions ...
-func NewOptions() *Options {
-	privateKey, err := ioutil.ReadFile(privateKey)
+// DefaultOptions ...
+func DefaultOptions() *Options {
+	privateKeyFile := config.TokenPrivateKeyPath()
+	privateKey, err := ioutil.ReadFile(privateKeyFile)
 	if err != nil {
 		log.Errorf(fmt.Sprintf("failed to read private key %v", err))
 		return nil
diff --git a/src/common/token/options_test.go b/src/common/token/options_test.go
index 660975fff..5f64fb380 100644
--- a/src/common/token/options_test.go
+++ b/src/common/token/options_test.go
@@ -8,7 +8,7 @@ import (
 )
 
 func TestNewOptions(t *testing.T) {
-	defaultOpt := DefaultOptions
+	defaultOpt := DefaultOptions()
 	assert.NotNil(t, defaultOpt)
 	assert.Equal(t, defaultOpt.SignMethod, jwt.GetSigningMethod("RS256"))
 	assert.Equal(t, defaultOpt.Issuer, "harbor-token-issuer")
@@ -16,7 +16,7 @@ func TestNewOptions(t *testing.T) {
 }
 
 func TestGetKey(t *testing.T) {
-	defaultOpt := DefaultOptions
+	defaultOpt := DefaultOptions()
 	key, err := defaultOpt.GetKey()
 	assert.Nil(t, err)
 	assert.NotNil(t, key)
diff --git a/src/core/api/robot.go b/src/core/api/robot.go
index 03850f90f..2cf5f28e0 100644
--- a/src/core/api/robot.go
+++ b/src/core/api/robot.go
@@ -16,14 +16,16 @@ package api
 
 import (
 	"fmt"
-	"net/http"
-	"strconv"
-
 	"github.com/goharbor/harbor/src/common"
 	"github.com/goharbor/harbor/src/common/dao"
 	"github.com/goharbor/harbor/src/common/models"
 	"github.com/goharbor/harbor/src/common/rbac"
 	"github.com/goharbor/harbor/src/common/token"
+	"net/http"
+	"strconv"
+
+	"github.com/goharbor/harbor/src/core/config"
+	"time"
 )
 
 // RobotAPI ...
@@ -104,6 +106,9 @@ func (r *RobotAPI) Post() {
 	}
 
 	var robotReq models.RobotReq
+	// Expiration in days
+	tokenExpiration := time.Duration(config.RobotTokenExpiration()) * 24 * time.Hour
+	expiresAt := time.Now().UTC().Add(tokenExpiration).Unix()
 	r.DecodeJSONReq(&robotReq)
 	createdName := common.RobotPrefix + robotReq.Name
 
@@ -112,6 +117,7 @@ func (r *RobotAPI) Post() {
 		Name:        createdName,
 		Description: robotReq.Description,
 		ProjectID:   r.project.ProjectID,
+		Expiration:  expiresAt,
 	}
 	id, err := dao.AddRobot(&robot)
 	if err != nil {
@@ -125,7 +131,7 @@ func (r *RobotAPI) Post() {
 
 	// generate the token, and return it with response data.
 	// token is not stored in the database.
-	jwtToken, err := token.New(id, r.project.ProjectID, robotReq.Access)
+	jwtToken, err := token.New(id, r.project.ProjectID, expiresAt, robotReq.Access)
 	if err != nil {
 		r.HandleInternalServerError(fmt.Sprintf("failed to valid parameters to generate token for robot account, %v", err))
 		err := dao.DeleteRobot(id)
diff --git a/src/core/config/config.go b/src/core/config/config.go
index d90b61751..e693d06c1 100644
--- a/src/core/config/config.go
+++ b/src/core/config/config.go
@@ -225,6 +225,11 @@ func TokenExpiration() (int, error) {
 	return cfgMgr.Get(common.TokenExpiration).GetInt(), nil
 }
 
+// RobotTokenExpiration returns the token expiration time of robot account (in day)
+func RobotTokenExpiration() int {
+	return cfgMgr.Get(common.RobotTokenExpiration).GetInt()
+}
+
 // ExtEndpoint returns the external URL of Harbor: protocol://host:port
 func ExtEndpoint() (string, error) {
 	return cfgMgr.Get(common.ExtEndpoint).GetString(), nil
diff --git a/src/core/config/config_test.go b/src/core/config/config_test.go
index 549dc37d5..41b3b5064 100644
--- a/src/core/config/config_test.go
+++ b/src/core/config/config_test.go
@@ -97,6 +97,9 @@ func TestConfig(t *testing.T) {
 		t.Fatalf("failed to get token expiration: %v", err)
 	}
 
+	tkExp := RobotTokenExpiration()
+	assert.Equal(tkExp, 30)
+
 	if _, err := ExtEndpoint(); err != nil {
 		t.Fatalf("failed to get domain name: %v", err)
 	}