diff --git a/.gitmodules b/.gitmodules
index 73169b2da..2cd715287 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "openGauss-trigger"]
 	path = openGauss-trigger
 	url = ../openGauss-trigger.git
+[submodule "openGauss-competition"]
+	path = openGauss-competition
+	url = ../openGauss-competition.git
diff --git a/openGauss-competition b/openGauss-competition
new file mode 160000
index 000000000..a8f2377a2
--- /dev/null
+++ b/openGauss-competition
@@ -0,0 +1 @@
+Subproject commit a8f2377a242dbdb6a8366738c85d365bef478477