Traceback (most recent call last):
File "C:\Anaconda3\lib\site-packages\vnpy\app\data_recorder\ui\widget.py", line 147, in process_exception_event
raise exc_info[1].with_traceback(exc_info[2])
File "C:\Anaconda3\lib\site-packages\vnpy\app\data_recorder\engine.py", line 73, in run
database_manager.save_tick_data([data])
File "C:\Anaconda3\lib\site-packages\vnpy\database\mongodb\mongodb_database.py", line 215, in save_tick_data
d["interval"] = d["interval"].value
KeyError: 'interval'
如何解决?