diff --git a/hts/HTS.py b/hts/HTS.py
index 6170e7e..9f4aaa0 100644
--- a/hts/HTS.py
+++ b/hts/HTS.py
@@ -983,7 +983,7 @@ if __name__ == "__main__":
     for given_day in given_days:
         hts.writeStockData(stock_codes, given_day)
         #for stock_code in stock_codes:
-            #hts.simulate(stock_codes, given_day)
+            #hts.simulate(stock_code, given_day)
 
     #hts.buyRealTime(stock_codes, given_day)