diff --git a/src/simulation/simulation_trader.py b/src/simulation/simulation_trader.py
index af1ee0a..cd837e6 100644
--- a/src/simulation/simulation_trader.py
+++ b/src/simulation/simulation_trader.py
@@ -90,7 +90,7 @@ class SimulationTrader(BaseTrader):
 
         # 更新持仓管理器
         position_manager.update_position(
-            strategy_name, code, ORDER_DIRECTION_SELL, amount
+            code, ORDER_DIRECTION_SELL, amount
         )
         order_id = random.randint(1, 999999)  # 使用随机函数生成小于1000000的随机整数
         position_manager.add_pending_order(