diff --git a/hts/HTS_252670.py b/hts/HTS_252670.py
index bd3878d..ea2e0e8 100644
--- a/hts/HTS_252670.py
+++ b/hts/HTS_252670.py
@@ -547,7 +547,7 @@ class HTS_252670:
 
     def buyRealTime(self, stock_code, GIVEN_DAY):
         orderChecker = OrderChecker(stock_code)
-        BASE_COUNT = 400
+        BASE_COUNT = 300
 
         timecheckList = pd.read_csv("timecheck.csv").values.tolist()
         timecheck = {GIVEN_DAY + " " + str(second).zfill(6):False for second, check in timecheckList}