diff --git a/packages/area/index.vue b/packages/area/index.vue
index 1a0f8983b..4e95ce41c 100644
--- a/packages/area/index.vue
+++ b/packages/area/index.vue
@@ -82,6 +82,10 @@ export default create({
   watch: {
     value() {
       this.setIndex();
+    },
+
+    areaList() {
+      this.setIndex();
     }
   },