Traceback (most recent call last):
File "C:\Users\HINET\AppData\Local\Programs\Python\Python37\lib\site-packages\vnpy\trader\ui\mainwindow.py", line 282, in open_widget
widget = widget_class(self.main_engine, self.event_engine)
File "C:\Users\HINET\AppData\Local\Programs\Python\Python37\lib\site-packages\vnpy_ctabacktester\ui\widget.py", line 53, in init
self.load_backtesting_setting()
File "C:\Users\HINET\AppData\Local\Programs\Python\Python37\lib\site-packages\vnpy_ctabacktester\ui\widget.py", line 254, in load_backtesting_setting
if not setting["inverse"]:
KeyError: 'inverse'
