diff --git a/.gitmodules b/.gitmodules
index cab0a04..b853892 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
 [submodule "robot"]
 	path = robot
 	url = http://123.207.52.103:3000/LiZongdi/robot.git
-[submodule "library"]
-	path = library
-	url = http://123.207.52.103:3000/LiZongdi/library_src.git
diff --git a/library b/library
deleted file mode 160000
index 1e98bdf..0000000
--- a/library
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1e98bdf169e065631b92ec7d96f9ac8d95b4cea6