From 6d8b5d65fe37eb300ae15ef45bfc9fab4884100a Mon Sep 17 00:00:00 2001
From: wangyaqi <wangyaqi988@163.com>
Date: Tue, 17 Dec 2019 14:31:04 +0800
Subject: [PATCH] Update intersection-observer.md

---
 docs/api/ui/intersection-observer.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/api/ui/intersection-observer.md b/docs/api/ui/intersection-observer.md
index 5b20a06042..df551564b9 100644
--- a/docs/api/ui/intersection-observer.md
+++ b/docs/api/ui/intersection-observer.md
@@ -2,6 +2,10 @@
 
 ### uni.createIntersectionObserver([this], [options])
 创建并返回一个 ``IntersectionObserver`` 对象实例。
+
+**this说明：**
+
+自定义组件实例。**支付宝小程序不支持此参数，传入仅为抹平写法差异**
 
 **options 的可选参数为：**
 
-- 
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