1. According to the plot of "Smart Empty", the fifth episode shows that there is a tablet without a word on the top of Songshan Mountain, and the Dengfeng county magistrate used it as an excuse to arrest innocent people and sue the court in the air.
2. Smart Sky is a costume drama produced by Zhejiang Dongyang Constellation Moshan Film and Television Media Co., Ltd., which was jointly created by Du Xiao and Liu Yingjie, starring Chen Musheng, Pan Changjiang, Li Danyang and Gong Hanlin.