diff --git a/scripts/README.md b/scripts/README.md
index 49954fb..5c0397e 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -36,6 +36,18 @@
 
   ```bash
   cd /opt/ && wget -qO- http://116.205.97.109/scripts/system_optimize.sh|bash
+  
+  #磁盘扩容(可选项)
+  lvresize --extents +100%FREE --resizefs /dev/mapper/ubuntu--vg-ubuntu--lv
+
+  #修改主机名(可选项)
+  IP=$(ip addr | awk '/^[0-9]+: / {}; /inet.*global/ {print gensub(/(.*)\/(.*)/, "\\1", "g", $2)}' | grep `ip route | grep default | awk '{print $3}' | awk -F. '{print $1"."$2}' | head -1` | head -1 | sed 's/\./-/g') 
+  hostnamectl set-hostname $IP
+  bash
+
+ #内核锁定(可选项)
+ apt-mark hold  $(dpkg -l | grep -E "linux-(headers|image|unsigned|modules|modules-extra)" | grep "6.8.0-53" | awk '{print $2}') 
+ dpkg --get-selections | grep hold  #查看
   ``` 
 
 #### （2）MLNX_OFED 网络套件安装/卸载