diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..b33fd3fe
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "service-docs"]
+	path = service-docs
+	url = git@github.com:Retrospring/service-docs.git
diff --git a/service-docs b/service-docs
new file mode 160000
index 00000000..95189e89
--- /dev/null
+++ b/service-docs
@@ -0,0 +1 @@
+Subproject commit 95189e89259051d36676f8bc9f8d93e2041e4030