diff --git a/app/Repositories/ExamRepository.php b/app/Repositories/ExamRepository.php
index 3f6b9768..9a471273 100644
--- a/app/Repositories/ExamRepository.php
+++ b/app/Repositories/ExamRepository.php
@@ -329,7 +329,13 @@ class ExamRepository extends BaseRepository
             return false;
         }
 
-        return true;
+        try {
+            $user->checkIsNormal();
+            return true;
+        } catch (\Throwable $throwable) {
+            do_log("$logPrefix, user is not normal: " . $throwable->getMessage());
+            return false;
+        }
     }
 
 
diff --git a/include/constants.php b/include/constants.php
index 40d2701c..e146f63c 100644
--- a/include/constants.php
+++ b/include/constants.php
@@ -1,6 +1,6 @@
 <?php
 defined('VERSION_NUMBER') || define('VERSION_NUMBER', '1.8.12');
-defined('RELEASE_DATE') || define('RELEASE_DATE', '2024-05-08');
+defined('RELEASE_DATE') || define('RELEASE_DATE', '2024-05-09');
 defined('IN_TRACKER') || define('IN_TRACKER', false);
 defined('PROJECTNAME') || define("PROJECTNAME","NexusPHP");
 defined('NEXUSPHPURL') || define("NEXUSPHPURL","https://nexusphp.org");