diff --git a/hts/OrderChecker.py b/hts/OrderChecker.py
index 001a709..be52611 100644
--- a/hts/OrderChecker.py
+++ b/hts/OrderChecker.py
@@ -2,8 +2,8 @@ import os
 import pandas as pd
 from datetime import datetime, timedelta
 
-class OrderChecker:
 
+class OrderChecker:
     RESOURCE_PATH = None
     order_df = None
 
@@ -45,8 +45,11 @@ class OrderChecker:
         order_df = self.read(ymd)
 
         # 새로운 주문을 추가한다.
-        order_df = order_df.append({"stock_code": "A" + stock_code, "type": 0, "orderNum": str(orderNum), "canceled": 0, "count": count, "price": price, "datetime": datetime.now()}, ignore_index=True)
-        order_df = order_df.astype({"stock_code": str, "type": int, "orderNum": str, "canceled": int, "count": int, "price": int})
+        order_df = order_df.append(
+            {"stock_code": "A" + stock_code, "type": 0, "orderNum": str(orderNum), "canceled": 0, "count": count,
+             "price": price, "datetime": datetime.now()}, ignore_index=True)
+        order_df = order_df.astype(
+            {"stock_code": str, "type": int, "orderNum": str, "canceled": int, "count": int, "price": int})
 
         # 파일로 기록한다.
         saveFileName = os.path.join(self.RESOURCE_PATH, "etf_order", ymd + ".csv")
@@ -73,7 +76,7 @@ class OrderChecker:
 
         now = datetime.now() - timedelta(minutes=min)
         # min 분 이상 된 시간인 내용을 가지고 옴
-        df = order_df.loc[(order_df.index <= now) ]
+        df = order_df.loc[(order_df.index <= now)]
         # 취소가 되지 않은 것만 가지고 옴 (0: 취소 되지 않음, 1: 취소함)
         df = df.loc[(order_df["canceled"] == 0)]
 
@@ -83,4 +86,11 @@ class OrderChecker:
         saveFileName = os.path.join(self.RESOURCE_PATH, "etf_order", ymd + ".csv")
         order_df.to_csv(saveFileName, index=False)
 
-        return True
\ No newline at end of file
+        orderListToCancel = []
+        if ORDER_LIST is not None and len(ORDER_LIST) > 0:
+            orderNumSet = set(list(df["orderNum"]))
+            for item in ORDER_LIST:
+                if item.orderNum in orderNumSet:
+                    orderListToCancel.append(item)
+
+        return orderListToCancel