diff --git a/smart-admin-service/smart-admin-api/src/main/java/net/lab1024/smartadmin/interceptor/SmartAuthenticationInterceptor.java b/smart-admin-service/smart-admin-api/src/main/java/net/lab1024/smartadmin/interceptor/SmartAuthenticationInterceptor.java
index 26f0c5dc..98ae254e 100644
--- a/smart-admin-service/smart-admin-api/src/main/java/net/lab1024/smartadmin/interceptor/SmartAuthenticationInterceptor.java
+++ b/smart-admin-service/smart-admin-api/src/main/java/net/lab1024/smartadmin/interceptor/SmartAuthenticationInterceptor.java
@@ -152,7 +152,7 @@ public class SmartAuthenticationInterceptor extends HandlerInterceptorAdapter {
         response.setHeader("Access-Control-Allow-Headers", "Authentication,Origin, X-Requested-With, Content-Type, " + "Accept, x-access-token");
         response.setHeader("Cache-Control", "no-cache");
         response.setHeader("Pragma", "no-cache");
-        response.setHeader("Expires ", "-1");
+        response.setHeader("Expires ", "0");
     }
 
     /**