diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..957236940c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "extension/qucheng"]
+	path = extension/qucheng
+	url = https://gitlab.zcorp.cc/easycorp/qucheng.git
diff --git a/extension/qucheng b/extension/qucheng
new file mode 160000
index 0000000000..14b5630326
--- /dev/null
+++ b/extension/qucheng
@@ -0,0 +1 @@
+Subproject commit 14b5630326a3b24fd385654629a77a19fcd62f59