From 38acfcdd5c5a68cc0f5dce28ee31173d3d4d3725 Mon Sep 17 00:00:00 2001
From: zhao xin <esrrhs@163.com>
Date: Wed, 19 Dec 2018 16:47:04 +0800
Subject: [PATCH] Update README.md

---
 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c8e7f0e..5701098 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
 # pingtunnel
+pingtunnel是把udp流量伪装成icmp流量进行转发的工具，类似于kcptun。
+典型的使用方式
+![image](network.jpg)
+
     通过伪造ping，把udp流量通过远程服务器转发到目的服务器上。用于突破某些运营商封锁UDP流量。
     By forging ping, the udp traffic is forwarded to the destination server through the remote server. Used to break certain operators to block UDP traffic.
 
@@ -27,4 +31,4 @@
               The protocol that the client sends the ping. The default is 13.
 
     -rproto   客户端接收ping协议的协议，默认是14
-              The protocol that the client receives the ping. The default is 14.
\ No newline at end of file
+              The protocol that the client receives the ping. The default is 14.