diff --git a/javaSE-day11/src/com/inmind/network01/Demo01.java b/javaSE-day11/src/com/inmind/network01/Demo01.java
index a4b384b..7cf76d1 100644
--- a/javaSE-day11/src/com/inmind/network01/Demo01.java
+++ b/javaSE-day11/src/com/inmind/network01/Demo01.java
@@ -22,6 +22,14 @@ package com.inmind.network01;
 
     应用场景：视频通话，语音通话，实况直播
 
+ --------------------------------------------------------------------
+ ip地址：在同一个网络中找到唯一的一台计算机
+ IP地址相关的命令：
+    ipconfig  :查看本机ip
+    ping 192.168.1.1 :判断是否能与指定计算机通讯
+
+
+
  */
 public class Demo01 {
 }