diff --git a/src/components/app.vue b/src/components/app.vue
index 729eea3..a04be79 100644
--- a/src/components/app.vue
+++ b/src/components/app.vue
@@ -74,14 +74,14 @@
       }
     },
     async created () {
-      /*
-      document.addEventListener('wheel', event => {
-        event.preventDefault()
-      }, {passive: false})
-      document.addEventListener('touchmove', event => {
-        event.preventDefault()
-      }, {passive: false})
-      */
+     document.addEventListener('keydown', e => {
+      if (e.code == 'KeyR') {
+        console.log(f7.views.main.router.history)
+      }
+      if (e.code == 'KeyB') {
+        f7.views.main.router.back()
+      }
+     })
       if (!window.cordova) {
         const confText = await fetch('./conf/conf.yaml')
           .then((mod) => { return mod.text() })