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symbols不能返回数据？Pinned highlighted

guouoo 发表在问题反馈 2019-11-05 17:17:42

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symbols= 'DCE.i1912,DCE.jd1912'
history_data = history_n(symbols, frequency='5m', count=3, end_time=None,fields='symbol,bob,open,high,low,close,volume', skip_suspended=True,fill_missing='Last',adjust=1, djust_end_time='', df=True)

将symbols拆成单个的id能够返回，放到一起就不能，请问是什么问题呢？帮助文档里面说到支持多个Id同时返回的？

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