diff --git a/HTS_Alert.py b/HTS_Alert.py
index 3584634..fac6086 100644
--- a/HTS_Alert.py
+++ b/HTS_Alert.py
@@ -18,7 +18,7 @@ class HTS_Alert :
 
         THIS_TIME = datetime.now()
         today = datetime.today().strftime('%Y%m%d')
-        while datetime.strptime(today + " 090000", '%Y%m%d %H%M%S') < THIS_TIME < datetime.strptime(today + " 151500", '%Y%m%d %H%M%S'):
+        while datetime.strptime(today + " 080000", '%Y%m%d %H%M%S') < THIS_TIME < datetime.strptime(today + " 151500", '%Y%m%d %H%M%S'):
             url = 'https://finance.naver.com/item/main.naver?code={code}'.format(code=code.strip())
             res = requests.get(url)