diff --git a/src/components/Dropdown/src/Dropdown.vue b/src/components/Dropdown/src/Dropdown.vue
index 76d781e..c70a99e 100644
--- a/src/components/Dropdown/src/Dropdown.vue
+++ b/src/components/Dropdown/src/Dropdown.vue
@@ -91,4 +91,6 @@
       return originAttrs;
     };
   });
+
+  const getAttr = (key: string | number) => ({ key });
 </script>