diff --git a/Bithumb_minute.py b/Bithumb_minute.py
index 61d01d8..950fe5f 100644
--- a/Bithumb_minute.py
+++ b/Bithumb_minute.py
@@ -703,7 +703,7 @@ class Bithumb_minute(HTS):
             # 10분이 지난 미체결은 취소한다.
             order_log_df = self.cancel_order(order_log_df, order_log_filename, min=10)
             # 한번 매수 후 n분 이후 매수하기 위함
-            check_buy_history = self.check_buy_history(order_log_df, min=20)
+            check_buy_history = self.check_buy_history(order_log_df, min=60)
 
             if isRealTime and not check_buy_history:
                 # 매수 조건
@@ -823,7 +823,7 @@ if __name__ == "__main__":
                 #size = len(data_daily)
                 #if data_daily['slow_k'] < 30:
                 try:
-                    time.sleep(20)
+                    time.sleep(30)
                     bithumb.buyRealTime(ticker, analyzed_day, isRealTime)
                 except:
                     continue