diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e72b17d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "library"]
+	path = library
+	url = http://123.207.52.103:3000/LiZongdi/library_src.git
diff --git a/library b/library
new file mode 160000
index 0000000..1e98bdf
--- /dev/null
+++ b/library
@@ -0,0 +1 @@
+Subproject commit 1e98bdf169e065631b92ec7d96f9ac8d95b4cea6