From cd858b4b77975ec83c2967e7e29d79c17022aefd Mon Sep 17 00:00:00 2001
From: vany5921 <908744431@qq.com>
Date: Fri, 30 Aug 2019 09:12:33 +0800
Subject: [PATCH] Fix mistake

---
 docs/zh_CN/uiflow/Units.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/zh_CN/uiflow/Units.md b/docs/zh_CN/uiflow/Units.md
index 209d6911..c3ea68b9 100644
--- a/docs/zh_CN/uiflow/Units.md
+++ b/docs/zh_CN/uiflow/Units.md
@@ -29,7 +29,7 @@ __________________________
 
 #### 功能说明
 
->I/O类传感器，检测人体或动物发出的红外线信号
+>检测人体或动物发出的红外线信号返回真
 
 ><img src="/image/Units/PIR.png" width="40%">