diff --git a/.gitmodules b/.gitmodules
index 7d7e24d..66161e4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "third_party/game2001"]
 	path = third_party/game2001
 	url = git@git.kingsome.cn:server/game2001.git
+[submodule "third_party/tools"]
+	path = third_party/tools
+	url = git@git.kingsome.cn:server_common/tools.git
diff --git a/third_party/tools b/third_party/tools
new file mode 160000
index 0000000..df798de
--- /dev/null
+++ b/third_party/tools
@@ -0,0 +1 @@
+Subproject commit df798de0c0caa5e3fbf0ef9a8616ff884022762b