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请问一下,有没有大神解决的求解决,行情管理只能手动添加单个合约,如何能够默认将CTP所有实时合约数据进行下载

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将vnpy/app/data_recorder/engine.py文件中的RecorderEngine中的add_bar_recording函数修改为   
 def add_bar_recording(self, vt_symbol: str):
        """"""
        if vt_symbol in self.bar_recordings:
            self.write_log(f"已在K线记录列表中:{vt_symbol}")
            return

        if Exchange.LOCAL.value not in vt_symbol:
            """将所有行情数据进行下载保存"""
            all_contract = self.main_engine.get_all_contracts()
            for contract in all_contract:
                vt_symbol = contract.vt_symbol
                self.bar_recordings[vt_symbol] = {
                    "symbol": contract.symbol,
                    "exchange": contract.exchange.value,
                    "gateway_name": contract.gateway_name
                }

                self.subscribe(contract)
        else:
            self.tick_recordings[vt_symbol] = {}

        self.save_setting()
        self.put_event()

        self.write_log(f"添加K线记录成功:{vt_symbol}")
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