From 07a3fe2d001da9df9a9bd6e57d3c4b22794057b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=98=89=E6=B6=B5?= <chenjiahan@youzan.com>
Date: Tue, 7 Aug 2018 15:01:40 +0800
Subject: [PATCH] [Doc] Search: external class doc

---
 packages/search/README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/search/README.md b/packages/search/README.md
index 2ba25aa8..ea1c40dd 100644
--- a/packages/search/README.md
+++ b/packages/search/README.md
@@ -73,3 +73,10 @@ Search 默认支持 Input 标签所有的原生事件，如 `focus`、`blur`、`
 | 名称 | 说明 |
 |-----------|-----------|
 | action | 自定义搜索框右侧按钮，需要在`showAction`为 true 时才会显示 |
+
+### 外部样式类
+
+| 类名 | 说明 |
+|-----------|-----------|
+| custom-class | 根节点样式类 |
+| cancel-class | 取消按钮样式类 |