diff --git a/src/components/AppHeader.vue b/src/components/AppHeader.vue
index 83ce976..49c69b8 100644
--- a/src/components/AppHeader.vue
+++ b/src/components/AppHeader.vue
@@ -62,6 +62,7 @@ getRedirectResult(auth)
     const errorCode = error.code;
     const errorMessage = error.message;
     // ...
+    alert(error.message)
   });
 
   onMounted(async () => {