From b5e005a7a03308a33eb1a389e8bbc59469c9e8ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=8D=E5=90=83=E6=B2=B9=E7=82=B8=E9=B8=A1?=
 <1425962791@qq.com>
Date: Sun, 15 Mar 2026 21:13:51 +0800
Subject: [PATCH] update readme

---
 README.md    | 2 +-
 README_EN.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index b4bbdac..82dde6e 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@
 
 <p align="center">
 	<a href="https://space.bilibili.com/34154740">bilibili主页 </a> |
-	<a href="">演示视频 </a> |
+	<a href="https://www.bilibili.com/video/BV1c7wuzSEqx/">演示视频 </a> |
     <a href="https://oshwhub.com/no_chicken/powerpico">硬件开源 </a>
 </p>
 
diff --git a/README_EN.md b/README_EN.md
index 9738786..0909005 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -23,7 +23,7 @@
 
 <p align="center">
 	<a href="https://space.bilibili.com/34154740">my bilibili</a> |
-	<a href="">demo video </a> |
+	<a href="https://www.bilibili.com/video/BV1c7wuzSEqx/">demo video </a> |
     <a href="https://oshwhub.com/no_chicken/powerpico">hardware open source</a>
 </p>