From f26d9b7a333a41129af527afa9ee957ea110019c Mon Sep 17 00:00:00 2001
From: zhiyong <yuzhiyongcn@qq.com>
Date: Wed, 30 Apr 2025 14:49:33 +0800
Subject: [PATCH] reset simulation trader when clear stratege data

---
 src/trade_server.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/trade_server.py b/src/trade_server.py
index 0277b89..66e66c0 100644
--- a/src/trade_server.py
+++ b/src/trade_server.py
@@ -712,6 +712,13 @@ def clear_strategy(strategy_name):
         if not strategy_name:
             raise ValueError("缺少策略名称参数")
             
+        # 重置模拟交易实例（通过重新创建实例的方式）
+        global _sim_trader_instance
+        if _sim_trader_instance is not None:
+            logger.info("重置模拟交易实例")
+            # 创建一个新的模拟交易实例，替换原有实例
+            _sim_trader_instance = SimulationTrader()
+            
         # 检查策略是否存在
         if strategy_name in strategy_positions:
             # 从策略持仓字典中删除该策略