At that time, during the period of Song Renzong, there was a plague from heaven. In order to eliminate disasters and prayers, Song Renzong sent Qiu Hong to invite Zhang Tianshi to pray for the plague. When we arrived at Longhu Mountain, Taiwei Hong was here to patrol the mountain. I was curious when I saw the House of the Uber. Regardless of the dissuasion of other pedestrians, I insisted on taking down the seal that had been sealed for a long time and having a look. After entering the temple, he sent someone to remove a stone tablet that "opens when it meets water." Under the stone tablet, there is a green slate. When the board was removed, a black gas rose from the cave. This is how the highest day and the lowest earth are released.