diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..4467610
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "xian-ncc-da-message"]
+	path = xian-ncc-da-message
+	url = https://git.code.tencent.com/xian-ncc-da/xian-ncc-da-message.git