diff --git a/docs/views/brushChart/example/EventGroup.vue b/docs/views/brushChart/example/EventGroup.vue
index bf6a514a..f354ae99 100644
--- a/docs/views/brushChart/example/EventGroup.vue
+++ b/docs/views/brushChart/example/EventGroup.vue
@@ -7,11 +7,13 @@
v-model:zoomEndIdx='zoomEndIdx'
>