From 89166cf1c3717fa5d958561ffc3b186f9410bc84 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9A=8F=E9=81=87=E8=80=8C=E5=AE=89?= <164770707@qq.com>
Date: Tue, 1 Jun 2021 20:26:29 +0800
Subject: [PATCH] update README.md.

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5f03e24c..2844c72b 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
     
 
-    
+![开发板](https://gitee.com/kerwincui/wumei-smart/raw/master/document/2.jpg)     
 
 ![参考设备](https://gitee.com/kerwincui/wumei-smart/raw/master/document/1.jpg)