diff --git a/bot.py b/bot.py
index 7bd11a7..92e6502 100644
--- a/bot.py
+++ b/bot.py
@@ -87,10 +87,10 @@ def on_trade(message: dict, orderman: OrderManager, state: StateManager):
     state.set_last_price(symbol, price)
 
     # 거래도
-    p_valbz = state.get_fair_value("VALBZ")
-    p_vale = state.get_fair_value("VALE")
+    p_valbz = state.get_last_price("VALBZ")
+    p_vale = state.get_last_price("VALE")
     
-    if state.get_last_price("VALBZ") is None or state.get_last_price("VALE") is None:
+    if p_vale is None or p_valbz is None:
         return
     
     FEE = 10