From 2bedf15316aa5c3019f4e3ae49991a538c7054e5 Mon Sep 17 00:00:00 2001
From: aiminick <aiminick@openfans.org>
Date: Sat, 27 Mar 2021 00:30:44 +0800
Subject: [PATCH] Update README.md

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

diff --git a/README.md b/README.md
index 000d8df..a9459ea 100644
--- a/README.md
+++ b/README.md
@@ -1819,6 +1819,8 @@ Use root user permission:
 **Important:** For this testing the kernel version required **>= "5.10.25-Release-OPENFANS+20210325-v8"**
 
 ```
+0. First, run command: apt update; apt install dpkg-dev -y
+
 1. Download the compressed package and decompress the file to the root ("/") directory.
 
 2. change the decompressd file directory user permission to "_apt", run command: