在vnpy_datamanager/engine.py的最后添加以下代码:
if __name__=="__main__":
event_engine=EventEngine()
main_engine=MainEngine(event_engine)
md=ManagerEngine(main_engine,event_engine)
md.download_bar_data(symbol='IF2206',exchange=Exchange("CFFEX"),interval='1m',start=datetime(2022,4,19))
运行后无报错、无提示,求原因。。(rqdata是有效期内的:D:\it_soft\python3.10.4\Lib\site-packages\rqdatac\client.py:236: UserWarning: Your account will be expired after 22 days. Please call us at 0755-22676337 to upgrade or purchase or renew your contract.)