File "C:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\backtesting.py", line 304, in run_backtesting
func(data)
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\backtesting.py", line 750, in new_bar
self.strategy.on_bar(bar)
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\strategies\cuatro_strategy.py", line 116, in on_bar
self.bg5.update_bar(bar)
File "C:\vnstudio\lib\site-packages\vnpy\trader\utility.py", line 282, in update_bar
self.on_window_bar(self.window_bar)
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\strategies\cuatro_strategy.py", line 154, in on_5min_bar
self.cover(self.short,abs(self.pos),stop=True)
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\template.py", line 173, in cover
return self.send_order(Direction.LONG, Offset.CLOSE, price, volume, stop, lock)
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\template.py", line 189, in send_order
self, direction, offset, price, volume, stop, lock
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\backtesting.py", line 954, in send_order
price = round_to(price, self.pricetick)
File "C:\vnstudio\lib\site-packages\vnpy\trader\utility.py", line 124, in round_to
value = Decimal(str(value))
decimal.InvalidOperation: [<class 'decimal.ConversionSyntax'>]
请教老师，这个报错是什么回事呢？怎么解决呢，谢谢指导！
