diff --git a/_frontend/src/main.jsx b/_frontend/src/main.jsx
index ea78197..934a41c 100644
--- a/_frontend/src/main.jsx
+++ b/_frontend/src/main.jsx
@@ -39,6 +39,7 @@ const App = () => {
         },
     })
 
+    // no route
     if (id === 'unknown') {
         location.href = '/'
     }