高级财务查询接口
    Arguments:
        code {[type]} -- [description]
        start {[type]} -- [description]
    Keyword Arguments:
        end {[type]} -- [description] (default: {None})

def QA_fetch_financial_report_adv(code, start, end=None, ltype='EN'):
    """高级财务查询接口
    Arguments:
        code {[type]} -- [description]
        start {[type]} -- [description]
    Keyword Arguments:
        end {[type]} -- [description] (default: {None})
    """

    if end is None:

        return QA_DataStruct_Financial(QA_fetch_financial_report(code, start, ltype=ltype))
    else:
        series = pd.Series(
            data=month_data, index=pd.to_datetime(month_data), name='date')
        timerange = series.loc[start:end].tolist()
        return QA_DataStruct_Financial(QA_fetch_financial_report(code, timerange, ltype=ltype))