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Traceback (most recent call last):
File "d:\vnstudio\lib\site-packages\vnpy\trader\ui\mainwindow.py", line 281, in open_widget
widget = widget_class(self.main_engine, self.event_engine)
File "d:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\ui\widget.py", line 49, in init
self.init_ui()
File "d:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\ui\widget.py", line 211, in init_ui
self.candle_dialog = CandleChartDialog()
File "d:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\ui\widget.py", line 1152, in init
self.init_ui()
File "d:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\ui\widget.py", line 1162, in init_ui
self.chart.add_plot("volume", maximum_height=200)
File "d:\vnstudio\lib\site-packages\vnpy\chart\widget.py", line 72, in add_plot
plot = pg.PlotItem(axisItems={'bottom': self._x_axis})
File "d:\vnstudio\lib\site-packages\pyqtgraph\graphicsItems\PlotItem\PlotItem.py", line 158, in init
self.setAxisItems(axisItems)
File "d:\vnstudio\lib\site-packages\pyqtgraph\graphicsItems\PlotItem\PlotItem.py", line 325, in setAxisItems
if axis != self.axes[k]["item"]:
KeyError: 'bottom'

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可参考https://www.vnpy.com/forum/topic/4072-zai-ubuntutu-xing-hua-jie-mian-shang-wu-fa-yun-xing-vnpy-master-examples-candle-chart-run-py

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谢谢xiaohe大侠

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