diff --git a/README_EN.md b/README_EN.md
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--- a/README_EN.md
+++ b/README_EN.md
@@ -7,6 +7,7 @@
 [<img src="https://img.shields.io/github/downloads/esrrhs/pingtunnel/total">](https://github.com/esrrhs/pingtunnel/releases)
 [<img src="https://img.shields.io/docker/pulls/esrrhs/pingtunnel">](https://hub.docker.com/repository/docker/esrrhs/pingtunnel)
 [<img src="https://img.shields.io/github/workflow/status/esrrhs/pingtunnel/Go">](https://github.com/esrrhs/pingtunnel/actions)
+[![Codacy Badge](https://api.codacy.com/project/badge/Grade/a200bca59d1b4ca7a9c2cdb564508b47)](https://www.codacy.com/manual/esrrhs/pingtunnel?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=esrrhs/pingtunnel&amp;utm_campaign=Badge_Grade)
 
 Pingtunnel is a tool that advertises tcp/udp/sock5 traffic as icmp traffic for forwarding. Used to break through the network blockade, or to bypass the WIFI network login verification, or speed up network transmission speed on some networks.