diff --git a/NOTICE b/NOTICE
index bfa4e7436..a90edb086 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,8 +1,8 @@
-MaxKey单点登录认证系统，谐音为马克思的钥匙，寓意是最大钥匙，是业界领先的IAM身份管理和身份认证产品；
+MaxKey单点登录认证系统，谐音为马克思的钥匙，寓意是最大钥匙，是业界领先的IAM-IDaas身份管理和身份认证产品；
 支持OAuth 2.x/OpenID Connect、SAML 2.0、JWT、CAS、SCIM等标准协议；
 提供安全、标准和开放的用户身份管理(IDM)、身份认证(AM)、单点登录(SSO)、资源管理和权限管理等
 
-Maxkey Single Sign On system, which means the Maximum key, Leading-Edge IAM Identity and Access management product , 
+Maxkey Single Sign On system, which means the Maximum key, Leading-Edge IAM-IDaas Identity and Access management Product , 
 Support OAuth 2.x/OPENID CONNECT, SAML 2.0, JWT, CAS, SCIM and other standard protocols,
 Provide Secure , Standard and Open Identity management (IDM), Access management (AM), Single Sign On (SSO), RBAC permission management and Resource management.