diff --git a/package/component/src/component/cascader/index.vue b/package/component/src/component/cascader/index.vue
index e68dc335..0120ca06 100644
--- a/package/component/src/component/cascader/index.vue
+++ b/package/component/src/component/cascader/index.vue
@@ -3,6 +3,7 @@
     class="layui-cascader"
     ref="dropdownRef"
     :autoFitMinWidth="false"
+    :updateAtScroll="true"
   >
     <lay-input
       v-model="displayValue"