diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..fb4ebdd
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "backend"]
+	path = backend
+	url = ssh://git@gitea.devops.1msoft.cn:12224/emsoft-IF/sw-system-cloud.git
diff --git a/backend b/backend
new file mode 160000
index 0000000..be71df0
--- /dev/null
+++ b/backend
@@ -0,0 +1 @@
+Subproject commit be71df0a1efc1d778fdfb337032993259943c1f7