diff --git a/dev/README.md b/dev/README.md
index fed6e3a..7053294 100644
--- a/dev/README.md
+++ b/dev/README.md
@@ -75,6 +75,8 @@ bash <(curl -sSL https://cdn.jsdelivr.net/gh/sky22333/shell@main/dev/root.sh)
 > 打开文件查找`PasswordAuthentication no`此代码将其注释，然后重启SSH服务。
 
 - SSH公钥批量下发脚本
+
+`ed25519`加密方式
 ```
 bash <(curl -sSL https://cdn.jsdelivr.net/gh/sky22333/shell@main/dev/ssh-pub.sh) -pub "your-public-key"
 ```