diff --git a/.gitmodules b/.gitmodules
index b6a3f71..840589b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "third_party/wjtx"]
 	path = third_party/wjtx
 	url = git@git.kingsome.cn:server/wjtx.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..271b2f2
--- /dev/null
+++ b/third_party/tools
@@ -0,0 +1 @@
+Subproject commit 271b2f2ef79d15d3b63bd21a3257a914f9be6434