diff --git a/init/select_ticket_info.py b/init/select_ticket_info.py
index e7a46d8..b9663eb 100755
--- a/init/select_ticket_info.py
+++ b/init/select_ticket_info.py
@@ -136,8 +136,9 @@ class select:
             print(f"预售还未开始，阻塞中，预售时间为{TickerConfig.OPEN_TIME}, 当前时间为: {now.strftime('%H:%M:%S')}")
             sleep_time_s = 0.1
             sleep_time_t = 0.3
+            open_time = datetime.datetime.strptime(TickerConfig.OPEN_TIME, '%Y-%m-%d %H:%M:%S')
             # 测试了一下有微妙级的误差，应该不影响，测试结果：2019-01-02 22:30:00.004555，预售还是会受到前一次刷新的时间影响，暂时没想到好的解决方案
-            while now.strftime("%d:%H:%M:%S") < TickerConfig.OPEN_TIME:
+            while now < open_time:
                 now = datetime.datetime.now()
                 time.sleep(0.0001)
             print(f"预售开始，开启时间为: {now.strftime('%H:%M:%S')}")