C548 The Illusion Was Broken?

Yes, why is there a problem with explanation everywhere?

"Could someone have changed the password?" Chung Taoqing opened his mouth and said: "I still remember that couple from the Rivers and Clams Village said that Chung Siyue and Yun Yan had come to the Yue Tomb many years ago. Could it be that Chung Siyue changed the password to Yu Heng's birthday? Fifteen or sixteen years ago