运行环境：Elite Trader 仿真模拟
报错信息：in on_spread_bar
target_pos = ceil(self.current_grid) * self.grid_volume
ValueError: cannot convert float NaN to integer
疑似在on_spread_bar中bar.close_price为NaN，为啥
运行环境：Elite Trader 仿真模拟
报错信息：in on_spread_bar
target_pos = ceil(self.current_grid) * self.grid_volume
ValueError: cannot convert float NaN to integer
疑似在on_spread_bar中bar.close_price为NaN，为啥
可能是有一条腿缺失数据，或者底层数据中有字段为0的情况，您数据怎么下载获取的？
