if strategy_name not in cta_engine.strategies:
main_engine.write_log(f"创建{strategy_name}策略")
cta_engine.add_strategy(class_name, strategy_name, vt_symbol, strategy_setting)
else:
cta_engine.update_strategy_setting(strategy_name, strategy_setting)
cta_engine.init_strategy(self.strategy_name)
