[Add] resubscribe logic to solve websocket data push stop problem, close #2045
[Add] resubscribe logic to solve websocket data push stop problem, close #2045

bigdig/vnpy,bigdig/vnpy,msincenselee/vnpy,bigdig/vnpy,bigdig/vnpy,vnpy/vnpy,msincenselee/vnpy,vnpy/vnpy,msincenselee/vnpy,msincenselee/vnpy