diff --git a/README.md b/README.md
index 736905d..ca5e110 100644
--- a/README.md
+++ b/README.md
@@ -54,8 +54,9 @@ $ echo 'LANG=zh_CN.UTF-8' > /etc/sysconfig/i18n
 
 ### 3.2 准备 Python3 和 Python 虚拟环境
 ```shell
+$ yum groupinstall "Development tools" -y
 #安装系统依赖
-$ yum -y install wget sqlite-devel xz gcc automake zlib-devel openssl-devel epel-release git python-ldap
+$ yum -y install wget sqlite-devel xz gcc automake zlib-devel openssl-devel epel-release git python-ldap openldap-devel python-devel
 
 #安装python3.6
 $ wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tar.xz