diff --git a/.gitmodules b/.gitmodules
index d50a922..795fa90 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "third_party/j7"]
 	path = third_party/j7
 	url = git@git.kingsome.cn:server_common/j7.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..725d70e
--- /dev/null
+++ b/third_party/tools
@@ -0,0 +1 @@
+Subproject commit 725d70ebaba30c20124075cf5e4bd751d2404d28