diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 957236940c..0000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "extension/qucheng"]
-	path = extension/qucheng
-	url = https://gitlab.zcorp.cc/easycorp/qucheng.git
diff --git a/extension/qucheng b/extension/qucheng
deleted file mode 160000
index 07c7110f65..0000000000
--- a/extension/qucheng
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 07c7110f65598d1e660d2f22e8965d42583b1abe