diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a98df9b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "data"]
+	path = data
+	url = git@git.pogorockgames.com:mango-games/server/data.git
+[submodule "xlsx"]
+	path = xlsx
+	url = git@git.pogorockgames.com:mango-games/server/xlsx.git
+[submodule "protocol"]
+	path = protocol
+	url = git@git.pogorockgames.com:mango-games/server/protocol.git
diff --git a/README.md b/README.md
index 1e01a0a..6b51c8c 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,18 @@
 
 服务端业务代码
 
+### 添加子仓库
+data
+```
+git submodule add git@git.pogorockgames.com:mango-games/server/data.git data
+```
+
+protocol
+```
+git submodule add git@git.pogorockgames.com:mango-games/server/protocol.git protocol
+```
+
+xlsx
+```
+git submodule add git@git.pogorockgames.com:mango-games/server/xlsx.git xlsx
+```
diff --git a/data b/data
new file mode 160000
index 0000000..7ec1020
--- /dev/null
+++ b/data
@@ -0,0 +1 @@
+Subproject commit 7ec1020d199c9372229a5814cc038bffc1f081f4
diff --git a/protocol b/protocol
new file mode 160000
index 0000000..0620fe1
--- /dev/null
+++ b/protocol
@@ -0,0 +1 @@
+Subproject commit 0620fe1a6941b9f880545bbc678cfa68ce3c3b2c
diff --git a/xlsx b/xlsx
new file mode 160000
index 0000000..f738630
--- /dev/null
+++ b/xlsx
@@ -0,0 +1 @@
+Subproject commit f73863065b41b38162a776d230b5a41e066631ff