diff --git a/stock_downloader.py b/stock_downloader.py
index ccdfc71..0db1a9c 100644
--- a/stock_downloader.py
+++ b/stock_downloader.py
@@ -1,6 +1,4 @@
 from HTS2 import HTS
-from dateutil.relativedelta import relativedelta
-from datetime import datetime
 import sqlite3
 from stock_monitor import get_coin_more_data
 from config import *
@@ -12,25 +10,25 @@ def inserData(symbol, interval, data):
     cursor = conn.cursor()
 
     # 테이블/키 생성
-    cursor.execute("CREATE TABLE IF NOT EXISTS " + symbol + " (interval text, CODE text, NAME text, ymdhms datetime, ymd text, hms text, close REAL, open REAL, high REAL, low REAL, volume REAL)")
+    cursor.execute("CREATE TABLE IF NOT EXISTS " + symbol + " (interval text, CODE text, NAME text, ymdhms datetime, ymd text, hms text, Close REAL, Open REAL, High REAL, Low REAL, Volume REAL)")
     cursor.execute("CREATE INDEX IF NOT EXISTS " + symbol + "_idx on " + symbol + "(interval, CODE, ymdhms)")
 
     for i in range(len(data)):
         ymd = data.index[i].strftime('%Y%m%d')
         hms = data.index[i].strftime('%H%M%S')
         ymdhms = data.index[i].strftime('%Y-%m-%d %H:%M:%S')
-        open = data.Open.iloc[i]
-        high = data.High.iloc[i]
-        low = data.Low.iloc[i]
-        close = data.Close.iloc[i]
-        volume = data.Volume.iloc[i]
+        Open = data.Open.iloc[i]
+        High = data.High.iloc[i]
+        Low = data.Low.iloc[i]
+        Close = data.Close.iloc[i]
+        Volume = data.Volume.iloc[i]
 
         cursor.execute("SELECT * from " + symbol + " where CODE = ? and ymdhms = ? and interval = ?", (symbol, ymdhms, interval))
         arr = cursor.fetchone()
         if arr:
-            cursor.execute("UPDATE " + symbol + " SET close=?, open=?, high=?, low=?, volume=? where CODE=? and ymdhms=? and interval=?", (close, open, high, low, volume, symbol, ymdhms, interval))
+            cursor.execute("UPDATE " + symbol + " SET Close=?, Open=?, High=?, Low=?, Volume=? where CODE=? and ymdhms=? and interval=?", (Close, Open, High, Low, Volume, symbol, ymdhms, interval))
         else:
-            cursor.execute("INSERT INTO " + symbol + " (interval, CODE, NAME, ymdhms, ymd, hms, close, open, high, low, volume) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", (interval, symbol, KR_COINS[symbol], ymdhms, ymd, hms, close, open, high, low, volume))
+            cursor.execute("INSERT INTO " + symbol + " (interval, CODE, NAME, ymdhms, ymd, hms, Close, Open, High, Low, Volume) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", (interval, symbol, KR_COINS[symbol], ymdhms, ymd, hms, Close, Open, High, Low, Volume))
 
     conn.commit()
     cursor.close()