diff --git a/.gitmodules b/.gitmodules
index 08990c2..65cafa5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
-[submodule "lib/spconv"]
-	path = lib/spconv
+[submodule "softgroup/lib/spconv"]
+	path = softgroup/lib/spconv
 	url = https://github.com/llijiang/spconv.git
diff --git a/softgroup/lib/spconv b/softgroup/lib/spconv
new file mode 160000
index 0000000..740a5b7
--- /dev/null
+++ b/softgroup/lib/spconv
@@ -0,0 +1 @@
+Subproject commit 740a5b717fc576b222abc169ae6047ff1e95363f