Traceback (most recent call last):
File "C:\veighna_studio\lib\site-packages\vnpy_ctabacktester\ui\widget.py", line 290, in process_backtesting_finished_event
self.statistics_monitor.set_data(statistics)
File "C:\veighna_studio\lib\site-packages\vnpy_ctabacktester\ui\widget.py", line 625, in set_data
data["ewm_sharpe"] = f"{data['ewm_sharpe']:,.2f}"
KeyError: 'ewm_sharpe'

可以参考这个帖子： https://www.vnpy.com/forum/topic/32947-shi-yong-zui-xin-ban-ben-vnpyhui-ce-guo-cheng-zhong-bao-cuo-qiu-zhu?page=1#pid64046