diff --git a/lib/authentication/authentication_client.go b/lib/authentication/authentication_client.go
index 6181991..20e2ac8 100644
--- a/lib/authentication/authentication_client.go
+++ b/lib/authentication/authentication_client.go
@@ -61,6 +61,10 @@ func NewClient(appId string, secret string, host ...string) *Client {
 	return c
 }
 
+func (c *Client) SetPublicKey(publicKey string) {
+	constant.PublicKey = publicKey
+}
+
 // TODO
 func (c *Client) BuildAuthorizeUrlByOidc(params model.OidcParams) (string, error) {
 	if c.AppId == "" {
diff --git a/lib/constant/constant.go b/lib/constant/constant.go
index 0782c33..d8b0e14 100644
--- a/lib/constant/constant.go
+++ b/lib/constant/constant.go
@@ -2,4 +2,4 @@ package constant
 
 const StringEmpty = ""
 
-const PublicKey = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4xKeUgQ+Aoz7TLfAfs9+paePb5KIofVthEopwrXFkp8OCeocaTHt9ICjTT2QeJh6cZaDaArfZ873GPUn00eOIZ7Ae+TiA2BKHbCvloW3w5Lnqm70iSsUi5Fmu9/2+68GZRH9L7Mlh8cFksCicW2Y2W2uMGKl64GDcIq3au+aqJQIDAQAB"
+var PublicKey = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4xKeUgQ+Aoz7TLfAfs9+paePb5KIofVthEopwrXFkp8OCeocaTHt9ICjTT2QeJh6cZaDaArfZ873GPUn00eOIZ7Ae+TiA2BKHbCvloW3w5Lnqm70iSsUi5Fmu9/2+68GZRH9L7Mlh8cFksCicW2Y2W2uMGKl64GDcIq3au+aqJQIDAQAB"
diff --git a/lib/management/management_client.go b/lib/management/management_client.go
index 813beca..8078796 100644
--- a/lib/management/management_client.go
+++ b/lib/management/management_client.go
@@ -59,6 +59,10 @@ func NewClient(userPoolId string, secret string, host ...string) *Client {
 	return c
 }
 
+func (c *Client) SetPublicKey(publicKey string) {
+	constant.PublicKey = publicKey
+}
+
 func NewClientWithError(userPoolId string, secret string, host ...string) (*Client, error) {
 	if userPoolId == "" {
 		return nil, errors.New("请填写 userPoolId 参数")