diff --git a/src/main/java/com/gxwebsoft/common/system/controller/SettingController.java b/src/main/java/com/gxwebsoft/common/system/controller/SettingController.java
index b632148..f681622 100644
--- a/src/main/java/com/gxwebsoft/common/system/controller/SettingController.java
+++ b/src/main/java/com/gxwebsoft/common/system/controller/SettingController.java
@@ -198,7 +198,8 @@ public class SettingController extends BaseController {
       if(loginUser == null){
         return fail("请先登录");
       }
-      if(!loginUser.getIsSuperAdmin()){
+      // getIsSuperAdmin() is a Boolean and may be null; avoid NPE from auto-unboxing.
+      if(!Boolean.TRUE.equals(loginUser.getIsSuperAdmin())){
         return fail("权限不足");
       }