diff --git a/config/token.go b/config/token.go
index 63342df..c571da1 100644
--- a/config/token.go
+++ b/config/token.go
@@ -49,6 +49,10 @@ type TokenConfig struct {
 	CookieConfig *CookieConfig
 }
 
+func (t *TokenConfig) SetJwtSecretKey(secretKey string) {
+	t.JwtSecretKey = secretKey
+}
+
 func DefaultTokenConfig() *TokenConfig {
 	return &TokenConfig{
 		TokenStyle:             "uuid",
diff --git a/enforcer.go b/enforcer.go
index 480a85e..2858570 100644
--- a/enforcer.go
+++ b/enforcer.go
@@ -301,7 +301,7 @@ func (e *Enforcer) Logout(ctx ctx.Context) error {
 			tokenConfig.CookieConfig.Domain)
 	}
 
-	err := e.logoutByToken(token)
+	err := e.LogoutByToken(token)
 
 	if err != nil {
 		return err
diff --git a/enforcer_interface.go b/enforcer_interface.go
index 9de8e82..5834e39 100644
--- a/enforcer_interface.go
+++ b/enforcer_interface.go
@@ -14,6 +14,7 @@ type IEnforcer interface {
 	Login(id string, ctx ctx.Context) (string, error)
 	LoginByModel(id string, loginModel *model.Login, ctx ctx.Context) (string, error)
 	Logout(ctx ctx.Context) error
+	LogoutByToken(token string) error
 	IsLogin(ctx ctx.Context) (bool, error)
 	IsLoginById(id string) (bool, error)
 	GetLoginId(ctx ctx.Context) (string, error)
diff --git a/enforcer_internal_api.go b/enforcer_internal_api.go
index cf2fd53..13437ea 100644
--- a/enforcer_internal_api.go
+++ b/enforcer_internal_api.go
@@ -76,8 +76,8 @@ func (e *Enforcer) ResponseToken(tokenValue string, loginModel *model.Login, ctx
 	return nil
 }
 
-// logoutByToken clear token info
-func (e *Enforcer) logoutByToken(token string) error {
+// LogoutByToken clear token info
+func (e *Enforcer) LogoutByToken(token string) error {
 	var err error
 	// delete token-id
 	id := e.GetIdByToken(token)
@@ -143,3 +143,7 @@ func (e *Enforcer) spliceSessionKey(id string) string {
 func (e *Enforcer) spliceTokenKey(id string) string {
 	return e.config.TokenName + ":" + e.loginType + ":token:" + id
 }
+
+func (e *Enforcer) SetJwtSecretKey(key string) {
+	e.config.JwtSecretKey = key
+}