diff --git a/source/get_subDomain.py b/source/get_subDomain.py
index 000164daf05172100fe5bca674144e77ce2a0f06..ddf307ce93408e1d3e67e13bae04b88ee78dd7e8 100644
--- a/source/get_subDomain.py
+++ b/source/get_subDomain.py
@@ -3,6 +3,8 @@
 # Date: 2015/9/17
 # Created by 独自等待
 # 博客 http://www.waitalone.cn/
+# modifed by fiht, Add check option etc...
+# fiht's blog http://blog.fiht.me
 import sys
 import threading
 import requests