diff --git a/components/lib/menubar/Menubar.vue b/components/lib/menubar/Menubar.vue
index f796a896c..67e845a25 100755
--- a/components/lib/menubar/Menubar.vue
+++ b/components/lib/menubar/Menubar.vue
@@ -421,7 +421,7 @@ export default {
                 const _focusedItemInfo = this.focusedItemInfo;
 
                 this.hide(event, false);
-                this.focusedItemInfo = { index: Number(_focusedItemInfo.parentKey[0]), level: 0, parentKey: '' };
+                this.focusedItemInfo = { index: Number(_focusedItemInfo.parentKey.split('_')[0]), level: 0, parentKey: '' };
             }
 
             event.preventDefault();