diff --git a/src/router.js b/src/router.js
index de4bedf..27ff281 100644
--- a/src/router.js
+++ b/src/router.js
@@ -5,7 +5,7 @@ export default createRouter({
   base: process.env.BASE_URL,
   routes: [
     {
-      path: '/:type/:window?',
+      path: '/:type?/:window?',
       name: 'view',
       component: App
     }