Is there any change outside ipartment? If so, why aren't the actors' names them?

In fact, the rumors in ipartment, the first episode of apartment rental and the second episode of recruitment are just a foreshadowing, in order to highlight the following plot. Rumors of ipartment is sponsored by Intel, with Zhang Xiaohei (played by Bo Ruidong), Hao (played by Wang Nan), Du (played by Xu) as the main characters, while Zeng Ge, Xiao Bu and Guan Gu are just guest appearances.