diff --git a/other.md b/other.md
index b0a0170..ccb3404 100644
--- a/other.md
+++ b/other.md
@@ -266,6 +266,10 @@ ls /usr/local/nginx | tee -a test.txt #查看并以追加的形式写入内容
 #### nmap 命令
 
 ```
+nmap ip #查看开放端口
+
+nmap ip -p 端口 #查看指定端口是否开启
+
 nmap -sS -P0 -sV -O ip #查看主机系统信息
 ```
 
diff --git a/wget-curl.md b/wget-curl.md
index 886c2a4..c565714 100644
--- a/wget-curl.md
+++ b/wget-curl.md
@@ -28,6 +28,8 @@ wget --user username --password pass url #认证
 #### curl 命令
 
 ```
+curl ifconfig.me #查看外网 IP
+
 curl www.baidu.com #请求指定网址并显示出来
 
 curl -o demo.html https://www.baidu.com/index.php #下载指定文件并重命名为 demo.html