在唐朝的科举考试时就已经有了天黑后给烛完卷的制度。据《天中记》等史籍记载:唐代举行科举考试时,对黄昏后还没有完卷的考生,给木烛三条,三条木烛烧完,考生就必须交卷了。当时有个叫韦永贻的考生就写过这样一首诗:“白莲千朵照廊明,一片升平雅颂声。才唱第三条烛尽,南宫风月 At the time of the Tang Dynasty imperial examinations, there was already a system of giving candles after dark. According to historical records such as “The Book of the Middle Ages”, when the Tang Dynasty held the imperial examinations, candidates who had not yet finished the evening were given three wooden candles and three wooden candles were burned. The candidates must hand over the exams. At that time, a candidate named Wei Yongsheng had written such a poem: “Bailian thousand flowers are lit up, and a piece of music is flattering and melodious. Only when the third candle is finished, the Nangong Fengyue