diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..5163bbe
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,7 @@
+# -*- coding: utf-8 -*-
+# vim:fenc=utf-8
+# $File: __init__.py
+# $Date: Thu Nov 30 23:1430 2017 +0800
+# $Author: renyong15 © <mails.tsinghua.edu.cn>
+#
+