get_price
df = _get_price(
File "D:\huxinmin\software\vnpy\lib\site-packages\rqdatac\services\get_price.py", line 156, in _get_price
order_book_ids, stocks, funds, indexes, futures, futures888, spots, options, convertibles, repos = classify_order_book_ids(
File "D:\huxinmin\software\vnpy\lib\site-packages\rqdatac\services\get_price.py", line 276, in classify_order_book_ids
ins_list = ensure_instruments(order_book_ids, market=market)
File "D:\huxinmin\software\vnpy\lib\site-packages\rqdatac\validators.py", line 182, in ensure_instruments
raise ValueError("order_book_ids: at least one valid instrument expected, got none")
ValueError: order_book_ids: at least one valid instrument expected, got none
