diff --git a/pkg/langs/protos/README.md b/pkg/langs/protos/README.md
new file mode 100644
index 0000000..2054b28
--- /dev/null
+++ b/pkg/langs/protos/README.md
@@ -0,0 +1,4 @@
+After changing the messages, remember to run 'langs generate' to generate Go codes:
+~~~bash
+go run cmd/langs/main.go generate
+~~~
\ No newline at end of file
diff --git a/pkg/langs/protos/zh-cn/README.md b/pkg/langs/protos/zh-cn/README.md
deleted file mode 100644
index 958c61e..0000000
--- a/pkg/langs/protos/zh-cn/README.md
+++ /dev/null
@@ -1 +0,0 @@
-After change the messages, remember to run 'langs generate' to generate Go codes.
\ No newline at end of file