diff --git a/monitor.py b/monitor.py
index c3622b4..20816c6 100644
--- a/monitor.py
+++ b/monitor.py
@@ -343,7 +343,7 @@ class Monitor(HTS):
                 self._save_buy_cooldown()
 
             print(f"{KR_COINS[symbol]} ({symbol}) [{data['signal'].iloc[-1]}], 현재가: {data['Close'].iloc[-1]:.4f}, 20분간 매수 금지 시작")
-            self.sendMsg("{}".format(self.format_message('COIN', symbol, KR_COINS[symbol], data['Close'].iloc[-1], data['signal'].iloc[-1], buy_amount)))
+            self.sendMsg("{}".format(self.format_message(symbol, KR_COINS[symbol], data['Close'].iloc[-1], data['signal'].iloc[-1], buy_amount)))
         except Exception as e:
             print(f"Error buying {symbol}: {str(e)}")
             return False
@@ -454,11 +454,12 @@ class Monitor(HTS):
         return data
 
     # ------------- Formatting -------------
-    def format_message(self, market_type: str, symbol: str, symbol_name: str, close: float, signal: str, buy_amount: float) -> str:
-        message = f"매수 [{market_type}] {symbol_name} ({symbol}): "
-        message += f"{'$' if market_type == 'US' else '₩'}{close:.4f}"
-        message += f"({'$' if market_type == 'US' else '₩'}{buy_amount:.4f})"
-        message += f"[{signal}]"
+    def format_message(self, symbol: str, symbol_name: str, close: float, signal: str, buy_amount: float) -> str:
+        message = f"매수 {symbol_name} ({symbol}): "
+        message += f"'₩'{close:.4f}"
+        message += f" ('₩'{buy_amount:.4f})"
+        if signal != '':
+            message += f"[{signal}]"
         return message
 
     def format_ma_message(self, info: dict, market_type: str) -> str: