diff --git a/src/layout/index.vue b/src/layout/index.vue
index 221136e..3b3c032 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -374,6 +374,7 @@ export default {
   }
 }
 iframe {
+  height: 100%;
   width: calc(100% + 12px);
   border: none;