diff --git a/packages/components/menu/src/sub-menu.ts b/packages/components/menu/src/sub-menu.ts
index f75224bf93..79d2ea30a5 100644
--- a/packages/components/menu/src/sub-menu.ts
+++ b/packages/components/menu/src/sub-menu.ts
@@ -159,6 +159,8 @@ export default defineComponent({
           ]
         : [
             'right-start',
+            'right',
+            'right-end',
             'left-start',
             'bottom-start',
             'bottom-end',