diff --git a/zlm启用webrtc编译指南.md b/zlm启用webrtc编译指南.md
index 13cc36f..eeb83d2 100644
--- a/zlm启用webrtc编译指南.md
+++ b/zlm启用webrtc编译指南.md
@@ -15,6 +15,7 @@ cmake version 3.20.5
     $ wget https://www.openssl.org/source/openssl-1.1.1k.tar.gz
     $ tar -xvzf openssl-1.1.1k.tar.gz
     $ yum install -y zlib zlib-devel perl-CPAN
+    $ cd openssl-1.1.1k
     $ ./config shared --openssldir=/usr/local/openssl --prefix=/usr/local/openssl
     $ make && make install
     $ echo "/usr/local/lib64/" >> /etc/ld.so.conf