diff --git a/HTS_etf.py b/HTS_etf.py
index 2857126..4cae156 100644
--- a/HTS_etf.py
+++ b/HTS_etf.py
@@ -485,7 +485,8 @@ class HTS_etf(HTS):
                     if len(orderListToCancel) > 0:
                         self.cancelOrderList(orderListToCancel)
                     """
-                    if (int(THIS_TIME.strftime("%M")) % 50 == 0 or int(THIS_TIME.strftime("%M")) % 20 == 0):
+
+                    if ((int(THIS_TIME.strftime("%M")) == 4) and 0 <= int(THIS_TIME.strftime("%S")) <= 59):
                         #self.bot.alarm_live(stock_code, stock_name)
                         vm = psutil.virtual_memory()
                         vm_item = dict()