diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..70c4492
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "grpc"]
+	path = grpc
+	url = https://codeup.aliyun.com/lsxd/backend_deveoper/grpc.git
diff --git a/grpc b/grpc
new file mode 160000
index 0000000..00ebce5
--- /dev/null
+++ b/grpc
@@ -0,0 +1 @@
+Subproject commit 00ebce5a327bfb43bd3cd8543639671efa99c8cd