diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..3c2f401
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "openGauss-basic-operation"]
+	path = openGauss-basic-operation
+	url = https://www.gitlink.org.cn/huawei/openGauss-basic-operation.git
diff --git a/openGauss-basic-operation b/openGauss-basic-operation
new file mode 160000
index 0000000..b72aa6c
--- /dev/null
+++ b/openGauss-basic-operation
@@ -0,0 +1 @@
+Subproject commit b72aa6ca7ef35a3dc182e0f16087d18b4f716974