请大侠赐教：调用K线时，-1根K线是正在走的K线还是已经走完的K线？
C:\Users\Administrator>pip install tqsdk -U -i https://pypi.tuna.tsinghua.edu.cn/simple --trusted-host=pypi.tuna.tsinghua.edu.cn Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple...
