diff --git a/README-CN.md b/README-CN.md
index e6c6c0d..dff17c2 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -75,7 +75,7 @@ hardening                 [INFO] Treating /home/test/harbian-audit/bin/hardening
 ### 需要预装的软件  
 如果是使用的最小安装方式安装的Debian GNU/Linux系统，在使用此项目之前，需要安装如下的软件：
 ```
-sudo apt-get install -y bc net-tools 
+sudo apt-get install -y bc net-tools pciutils 
 ```
 
 ### 需要预先进行的配置 
diff --git a/README.md b/README.md
index da82187..4d5ac07 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ hardening                 [INFO] Treating /home/test/harbian-audit/bin/hardening
 
 If use Network install from a minimal CD to installed Debian GNU/Linux, need install bc package before use the hardening tool. 
 ```
-sudo apt-get install -y bc net-tools 
+sudo apt-get install -y bc net-tools pciutils
 ```
 
 ### Pre-Set