diff --git a/README.md b/README.md
index ee9cb363..4f6995ff 100644
--- a/README.md
+++ b/README.md
@@ -92,7 +92,10 @@ cd kubekey
 ./build.sh
 ```
 
-> Note: Docker needs to be installed before building.
+**Note:**
+
+* Docker needs to be installed before building.
+* If you have problem to access `https://proxy.golang.org/` in China mainland, please open the build.sh to use the Go module proxy in China.
 
 ## Road Map
 
diff --git a/build.sh b/build.sh
index f42f527b..6898e965 100755
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,7 @@
 #! /bin/bash
 
 docker run --rm -v "$PWD":/usr/src/myapp -w /usr/src/myapp golang:1.14.2-buster go build -v -o kk
+
+# Using the most trusted Go module proxy in China mainland
+# docker run --rm -e GO111MODULE=on -e GOPROXY=https://goproxy.cn -v "$PWD":/usr/src/myapp -w /usr/src/myapp golang:1.14.2-buster go build -v -o kk
+