连接XTP，使用AtrRsiStrategy 回测，使用RSI length = 5 或其他值 进行回测，"委托记录"里的价格和K线图表里当天的股价无法对应，例如当天股价范围是26-27, 委托记录里的价格却是32.2，这个怎么理解。

望高人指点，多谢了！

望高人指点，如下报错怎么破，已经重新pip 安装过pyqt5, pyside6

D:\Application\vnpy-3.3.0\examples\veighna_trader> python run.py
CFrdRegister.....Init...version:frd_frame_1.02.06_20190413.17:59:18
CFrdRegister.....Init...version:frd_frame_1.02.06_20190413.17:59:18
Traceback (most recent call last):
File "D:\Application\vnpy-3.3.0\examples\veighna_trader\run.py", line 99, in <module>
main()
File "D:\Application\vnpy-3.3.0\examples\veighna_trader\run.py", line 76, in main
main_engine.add_app(CtaStrategyApp)
File "D:\Application\Python\lib\site-packages\vnpy\trader\engine.py", line 101, in add_app
engine: BaseEngine = self.add_engine(app.engine_class)
File "D:\Application\Python\lib\site-packages\vnpy\trader\engine.py", line 72, in add_engine
engine: BaseEngine = engine_class(self, self.event_engine)
File "D:\Application\Python\lib\site-packages\vnpy_ctastrategy\engine.py", line 110, in init
self.database: BaseDatabase = get_database()
File "D:\Application\Python\lib\site-packages\vnpy\trader\database.py", line 158, in get_database
database = module.Database()
TypeError: Can't instantiate abstract class SqliteDatabase with abstract method get_tick_overview

如题，当模拟仓位进行平仓时，出现的报错 交易委托失败 代码-61，信息适配器处理出错。这个如何破解，感谢！