diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..c2bdb04
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "contract"]
+	path = contract
+	url = https://git.yitisheng.vip/zhouwentao/test-contract.git
diff --git a/contract b/contract
new file mode 160000
index 0000000..96fc06b
--- /dev/null
+++ b/contract
@@ -0,0 +1 @@
+Subproject commit 96fc06b1fea476789ade08a238111614b6583c60