`Traceback (most recent call last):
File "D:\ProgramData\anaconda3\envs\vnpy313\Lib\site-packages\pandas\core\indexes\base.py", line 3641, in get_loc
return self._engine.get_loc(casted_key)
~~~~^^^^^^^^^^^^
File "pandas/_libs/index.pyx", line 168, in pandas._libs.index.IndexEngine.get_loc
File "pandas/_libs/index.pyx", line 197, in pandas._libs.index.IndexEngine.get_loc
File "pandas/_libs/hashtable_class_helper.pxi", line 7668, in pandas._libs.hashtable.PyObjectHashTable.get_item
File "pandas/_libs/hashtable_class_helper.pxi", line 7676, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 0
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "D:\ProgramData\anaconda3\envs\vnpy313\Lib\site-packages\vnpy_ctabacktester\ui\widget.py", line 299, in process_backtesting_finished_event
self.chart.set_data(df)
~~~~~^^^^
File "D:\ProgramData\anaconda3\envs\vnpy313\Lib\site-packages\vnpy_ctabacktester\ui\widget.py", line 820, in set_data
self.balance_curve.setData(df["balance"])
~~~~~~^^^^^^^^^^^^^^^^^^
File "D:\ProgramData\anaconda3\envs\vnpy313\Lib\site-packages\pyqtgraph\graphicsItems\PlotDataItem.py", line 1184, in setData
dt = dataType(data)
File "D:\ProgramData\anaconda3\envs\vnpy313\Lib\site-packages\pyqtgraph\graphicsItems\PlotDataItem.py", line 1856, in dataType
first = obj[0]
~
File "D:\ProgramData\anaconda3\envs\vnpy313\Lib\site-packages\pandas\core\series.py", line 959, in getitem
return self._get_value(key)
~~~^^^^^
File "D:\ProgramData\anaconda3\envs\vnpy313\Lib\site-packages\pandas\core\series.py", line 1046, in _get_value
loc = self.index.get_loc(label)
File "D:\ProgramData\anaconda3\envs\vnpy313\Lib\site-packages\pandas\core\indexes\base.py", line 3648, in get_loc
raise KeyError(key) from err
KeyError: 0
`
请帮忙看下。
