diff --git a/goutils/proto_build/main.go b/goutils/proto_build/main.go
index 5a47862..b81c51b 100644
--- a/goutils/proto_build/main.go
+++ b/goutils/proto_build/main.go
@@ -83,6 +83,10 @@ func ServiceMain() {
 
 	defer createFileNotExists("protoc.sh", 0755, func(f io.Writer) error {
 		shellstr := `#! /bin/bash
+if [ ! -d "proto" ] || [ -z "$(ls -A proto)" ]; then
+  git submodule init
+  git submodule update
+fi
 go run -gcflags="-N" proto/goutils/proto_build/main.go`
 		f.Write([]byte(shellstr))
 		return nil
@@ -115,6 +119,10 @@ func GenClientMain() {
 
 	defer createFileNotExists("protoc.sh", 0755, func(f io.Writer) error {
 		shellstr := `#! /bin/bash
+if [ ! -d "proto" ] || [ -z "$(ls -A proto)" ]; then
+	git submodule init
+	git submodule update
+fi
 go run -gcflags="-N" proto/goutils/proto_build/main.go client`
 		f.Write([]byte(shellstr))
 		return nil