diff --git a/LEEJINSUB_to_do_list.txt b/LEEJINSUB_to_do_list.txt
new file mode 100644
index 0000000..4235b57
--- /dev/null
+++ b/LEEJINSUB_to_do_list.txt
@@ -0,0 +1,2 @@
+LEEJINSUB will be rewrite this list.
+- add the comments
\ No newline at end of file