《太平广记·卷三百四十八·鬼三十》
问随行的人打听那人的衣着打扮，原来是穿紫衣服，头戴圆斗笠的，又不是横门外的那个人吗？
问从者，形状衣服，固紫衣而首戴笠，复非横门之人欤？
He asked the people who accompanied him to inquire about the man's clothing and appearance. It turned out he was wearing purple clothes and had on a round bamboo hat. Wasn't this the man from outside Heng Gate?