Update README_EN.md

README_EN.md

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 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/a200bca59d1b4ca7a9c2cdb564508b47)](https://www.codacy.com/manual/esrrhs/pingtunnel?utm_source=github.com&utm_medium=referral&utm_content=esrrhs/pingtunnel&utm_campaign=Badge_Grade)
 
 Pingtunnel is a tool that advertises tcp/udp/sock5 traffic as icmp traffic for forwarding.
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 ![image](network.jpg)
 
 # Use
@@ -30,6 +31,7 @@ echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all
 * Double-click the exe to run, modify the server (such as www.yourserver.com), listen port (such as 1080), tick sock5, other settings can be default, and then click *GO*
 * Everything is normal, there will be a ping value on the interface, and then you can click X to hide it in the status bar
 * Set the browser's sock5 proxy to 127.0.0.1:1080, If you do not connect to the Internet, a socks version not supported error log appears, indicating that the browser's proxy is not a socks5 proxy.If it prompts a non-secure connection, it means there is a problem with dns. Check "Use socks5 proxy DNS query" on the browser.
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 ![image](qtrun.jpg)
 
 ### Install the client (recommended for high play)