diff --git a/wg-basic/page-unit.md b/wg-basic/page-unit.md
index 108368f..76ad153 100644
--- a/wg-basic/page-unit.md
+++ b/wg-basic/page-unit.md
@@ -2,7 +2,7 @@
 title: 页面组件
 description: 页面上使用的组件
 published: true
-date: 2021-10-21T07:13:13.329Z
+date: 2021-10-21T07:15:00.382Z
 tags: wg-basic
 editor: markdown
 dateCreated: 2021-09-08T06:41:19.351Z
@@ -406,7 +406,11 @@ top.dialog.open({
 2. 返回的列表中可以获取：areaId，areaName，areaCode
 
 # 12.列表下拉选择
+
 位置：`<div class="test-table-reload-btn"></div>` 里
+
+引入：`var form = layui.form`
+
 1. 固定
 ```html
 <div class="layui-inline layui-form search-item">