diff --git a/init/select_ticket_info.py b/init/select_ticket_info.py
index dcb9eed..c35382d 100644
--- a/init/select_ticket_info.py
+++ b/init/select_ticket_info.py
@@ -68,8 +68,9 @@ class select:
         station_trains = ticket_info_config["set"]["station_trains"]
         ticket_black_list_time = ticket_info_config["ticket_black_list_time"]
         print u"*"*20
-        print u"12306刷票小助手，最后更新于2018.2.28，请勿作为商业用途，交流群号：286271084\n"
-        print u"当前配置：出发站：{0}\n到达站：{1}\n乘车日期：{2}\n坐席：{3}\n是否有票自动提交：{4}\n乘车人：{5}\n刷新间隔：{6}\n候选购买车次：{7}\n僵尸票关小黑屋时长：{8}\n".format\
+        print u"12306刷票小助手，最后更新于2018.2.28，请勿作为商业用途，交流群号：286271084"
+        print u"如果有好的margin，请联系作者，表示非常感激\n"
+        print u"当前配置：出发站：{0}\n到达站：{1}\n乘车日期：{2}\n坐席：{3}\n是否有票自动提交：{4}\n乘车人：{5}\n刷新间隔：{6}s(如果想随机刷新，请自行修改)\n候选购买车次：{7}\n僵尸票关小黑屋时长：{8}\n".format\
                                                                                       (
                                                                                       from_station,
                                                                                       to_station,
diff --git a/myUrllib/httpUtils.py b/myUrllib/httpUtils.py
index 72fdf49..0a4a2f4 100644
--- a/myUrllib/httpUtils.py
+++ b/myUrllib/httpUtils.py
@@ -120,7 +120,8 @@ class HTTPClient(object):
             url_host = urls["Host"]
         for i in range(urls["re_try"]):
             try:
-                sleep(urls["s_time"]) if "s_time" in urls else sleep(0.001)
+                # sleep(urls["s_time"]) if "s_time" in urls else sleep(0.001)
+                sleep(urls.get("s_time", 0.001))
                 requests.packages.urllib3.disable_warnings()
                 response = self._s.request(method=method,
                                            timeout=2,
diff --git a/tkcode b/tkcode
index d5c92f1..1ffae3d 100644
Binary files a/tkcode and b/tkcode differ