From 49025c797213ce8145d07706b8c7ca8d4ed217ae Mon Sep 17 00:00:00 2001
From: windowsair <msdn_02@sina.com>
Date: Mon, 7 Jun 2021 11:06:44 +0800
Subject: [PATCH] docs: Update doc

---
 README.md | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 0cffc18..dceefd2 100644
--- a/README.md
+++ b/README.md
@@ -85,11 +85,10 @@ You can also specify your IP in the above file (We recommend using the static ad
 | GND                | GND     |
 
 
-In order to use SPI acceleration, you need to physically connect `SWDIO(GPIO12)` to `SWDIO_MOSI(GPIO13)`.
 
 Here, we give a simple example for reference:
 
-![sch](https://user-images.githubusercontent.com/17078589/107851862-f9589e80-6e47-11eb-9eca-e80760822a6a.png)
+![sch](https://user-images.githubusercontent.com/17078589/120953707-2a0a6e00-c780-11eb-9ad8-7221cf847974.png)
 
 Alternatively, you can connect directly with wires as we gave at the beginning, without additional circuits.