On July 18th, 2020, at 2:30pm, the HomeComing Exhibition held by Fei Arts, greenspring, BENSHOP, Ziguzizu and Mordern Media, was opened to the public at the Bridge 8 Community, Huangpu District, Shanghai. The Exhibit “Uncle Wang invites you to listen to online courses” by Wang Hui, made use of the contents of the 15 online courses which was taught by Wang Hui on architecture during the epidemic. The materials related to these online courses were pasted on the floor of an office building, which could also reflect that online learning gets its moment due to COVID-19. And this might be the “first year of Online Course Era”.