diff --git a/framework/spring-boot-starter-biz-tenant/src/main/java/cd/casic/framework/tenant/core/service/OAuth2GrantServiceImpl.java b/framework/spring-boot-starter-biz-tenant/src/main/java/cd/casic/framework/tenant/core/service/OAuth2GrantServiceImpl.java
index 22c86d8c..8e037042 100644
--- a/framework/spring-boot-starter-biz-tenant/src/main/java/cd/casic/framework/tenant/core/service/OAuth2GrantServiceImpl.java
+++ b/framework/spring-boot-starter-biz-tenant/src/main/java/cd/casic/framework/tenant/core/service/OAuth2GrantServiceImpl.java
@@ -133,7 +133,7 @@ public class OAuth2GrantServiceImpl implements OAuth2GrantService {
 
             // JWT 载荷
             JWTClaimsSet.Builder claimsBuilder = new JWTClaimsSet.Builder()
-                    .issuer("http://localhost:8080") // iss: 发行者
+                    .issuer("http://localhost:48080") // iss: 发行者
                     .subject(String.valueOf(userId)) // sub: 主题
                     .audience(clientId) // aud: 受众
                     .expirationTime(new Date(System.currentTimeMillis() + 3600000)) // exp: 过期时间 (1小时)