《太平广记·卷五十四·神仙五十四》
一年以后，梦入洞府，美味菜肴很多却看不到人，他也不敢吃，就走出洞门。
岁余，梦入洞府，肴馔甚多而不睹人物，亦不敢飨之，乃出门。
One year later, he dreamed of entering the cave. There were many delicious dishes but he could not see people. He did not dare to eat, so he walked out of the cave entrance.