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@@ -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。
+Pingtunnel is a tool that advertises udp traffic as icmp traffic for forwarding, similar to kcptun.
+![image](network.png)
+
     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.
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