diff --git a/HTS_Downloader.py b/HTS_Downloader.py
index c8dbd2d..b33599b 100644
--- a/HTS_Downloader.py
+++ b/HTS_Downloader.py
@@ -1,4 +1,5 @@
 import os
+import time
 from datetime import datetime, timedelta
 
 from hts.HTS import HTS
@@ -83,6 +84,6 @@ if __name__ == "__main__":
             this_day = this_day + timedelta(days=1)
             if this_day > stock["end_date"]:
                 break
-
+        time.sleep(0.5)
     hts.disconnect()
     print ("done...")
diff --git a/hts/HTS.py b/hts/HTS.py
index a10ed85..f5365e9 100644
--- a/hts/HTS.py
+++ b/hts/HTS.py
@@ -493,7 +493,6 @@ class HTS:
             self.cursor.execute('DELETE FROM hts WHERE CODE=? and ymd=? and hms=?', (stock_code, ymd, hms,))
             self.cursor.execute("INSERT INTO hts (CODE, NAME, ymd, hms, close, open, high, low, volume) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?)", (stock_code, stock_name, ymd, hms, close, open, high, low, volume))
 
-            time.sleep(0.5)
         self.conn.commit()
         return