《太平广记·卷四十七·神仙四十七》
长老答应了他，等到洗浴经过了一段时间，韦善俊牵着狗出来，狗已经长了六七尺，走到大殿前面，狗变化成为龙，长几十丈，韦善俊骑上龙升天了。
许之。及浴移时，牵犬而去。犬已长六七尺，行至殿前，犬化为龙，长数十丈，善俊乘龙升天。
The head monk agreed. After a while, when he had finished bathing, Wei Shanjun led the dog out. By now, the dog had grown to be 6-7 feet and when it walked in front of the great hall, the dog transformed into a dragon, several hundred feet long. Wei Shanjun climbed onto the dragon and ascended to heaven.