diff --git a/src/real/real_trader_manager.py b/src/real/real_trader_manager.py
index bc9b0fc..fbee61c 100644
--- a/src/real/real_trader_manager.py
+++ b/src/real/real_trader_manager.py
@@ -229,7 +229,7 @@ class RealTraderManager:
 
                 # 计算所需资金（加上3%的手续费作为缓冲）
                 required_cash = price * amount * 1.03
-                available_cash = balance.get("cash", 0) - balance.get("frozen_cash", 0)
+                available_cash = balance.get("cash", 0)
 
                 if required_cash > available_cash:
                     logger.warning(