有没有办法在指定的日期/时间自动关闭投票？
No, but it has been requested a lot and I would like to add it.
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It’s been on my 
since the inception of polls.
Consider it bumped 
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The nice thing is that now we have the generalised system @tgxworld extracted, so it should be far simpler to build… waiting pays off sometimes! 
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And here a live example 
- Discourse
- Rocks
0
voters
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@zogstrip, is it intentional that auto-closed polls cannot be reopened? Polls without a timer can be opened and closed as needed by staff.
It is indeed intentional. If there’s a close date, and it has passed, then it’s closed.
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