diff --git a/Bithumb_minute.py b/Bithumb_minute.py
index 0003c69..8108317 100644
--- a/Bithumb_minute.py
+++ b/Bithumb_minute.py
@@ -432,17 +432,6 @@ class Bithumb_minute(HTS):
 
         return
 
-    def exist_buy(self, ticker, log_filename):
-        if os.path.exists(log_filename):
-            log_file = open(log_filename, 'r', )
-            reader = csv.reader(log_file)
-            for line in reader:
-                if line[2] == ticker:
-                    log_file.close()
-                    return True
-            log_file.close()
-        return False
-
     def notBuy(self, data, i):
         if i > 5:
             check = True
@@ -717,20 +706,19 @@ class Bithumb_minute(HTS):
             # 10분이 지난 미체결은 취소한다.
             self.cancel_order(log_filename, 10)
             if isRealTime:
-                if not self.exist_buy(ticker, log_filename):
-                    if max(bsLine['buy'][len(bsLine['buy']) - 2:]) > 100:
-                        tmp = self.bithumb.get_balance(ticker)
-                        balance = tmp[2]
-                        count = round((balance * (bsLine['buy_weight'][len(bsLine['buy_weight']) - 1] / 100)) / bsLine['buy'][len(bsLine['buy']) - 1], 2)
-                        order = self.bithumb.buy_limit_order(ticker, bsLine['buy'][len(bsLine['buy']) - 1], count)
-                        # order: ('bid', 'BTC', 'C0101000000322993432', 'KRW')
+                if max(bsLine['buy'][len(bsLine['buy']) - 2:]) > 100:
+                    tmp = self.bithumb.get_balance(ticker)
+                    balance = tmp[2]
+                    count = round((balance * (bsLine['buy_weight'][len(bsLine['buy_weight']) - 1] / 100)) / bsLine['buy'][len(bsLine['buy']) - 1], 2)
+                    order = self.bithumb.buy_limit_order(ticker, bsLine['buy'][len(bsLine['buy']) - 1], count)
+                    # order: ('bid', 'BTC', 'C0101000000322993432', 'KRW')
 
-                        with open(log_filename, 'a', newline='', encoding='utf-8') as log_file:
-                            wr = csv.writer(log_file)
-                            wr.writerow(["buy", datetime.now().strftime('%Y-%m-%d %H:%M:%S'), order[0], order[1], order[2], order[3]])
+                    with open(log_filename, 'a', newline='', encoding='utf-8') as log_file:
+                        wr = csv.writer(log_file)
+                        wr.writerow(["buy", datetime.now().strftime('%Y-%m-%d %H:%M:%S'), order[0], order[1], order[2], order[3]])
 
-                        dirName = os.path.join(RESOURCE_PATH, 'analysis', 'bithumb')
-                        self.writeFile(dirName, ticker, data, bsLine, datetime.now().strftime('%Y%m%d %H%M%S'), 'buy')
+                    dirName = os.path.join(RESOURCE_PATH, 'analysis', 'bithumb')
+                    self.writeFile(dirName, ticker, data, bsLine, datetime.now().strftime('%Y%m%d %H%M%S'), 'buy')
 
                 if max(bsLine['sell'][len(bsLine['sell']) - 2:]) > 100:
                     tmp = self.bithumb.get_balance(ticker)
@@ -760,7 +748,7 @@ if __name__ == "__main__":
     bithumb = Bithumb_minute(RESOURCE_PATH)
 
     tickers = ['XRP']
-    isRealTime = False
+    isRealTime = True
     if isRealTime:
         while True:
             for ticker in tickers: