diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 082d2ea90dca811b8e5a1713b1a222d0efaaa159..a07013f9f331e48d76cecabf26fea25cbf76e465 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,6 +1,12 @@
 Welcome! Any kinds of contributions are very welcome. Please go through our contribution
 guide before you create a Pull Request for `jcli`.
 
+## Golang Environment
+
+Go module proxy setting can speed the download of the dependencies:
+
+`export GOPROXY=https://mirrors.aliyun.com/goproxy/`
+
 ## CLI
 
 `jcli` is a command line interface. So a CLI framework is super important for us. Thanks to