diff --git a/lab1123/note.md b/lab1123/note.md
new file mode 100644
index 0000000000000000000000000000000000000000..f39a881b311a9ed9e0429d5a66d7fbb6597c337a
--- /dev/null
+++ b/lab1123/note.md
@@ -0,0 +1 @@
+# 1123 Note