In Ancient Times, People Had a Modern City with Them

Chen Luo traveled to the Daqian Dynasty and became the son of Chen Jingnan, the minister of rites of the dynasty. He thought he could happily become a second-generation official, but then he found that he was in prison. It turned out that Chen Jingnan was framed and became a serious criminal in the assassination of the sixth prince Yun Yi. Three days later, his family was exiled to Lingnan. I just traveled through time and had no luck for a day. Chen Luoxin said who did I provoke? Wait... My traveler benefit is actually a portable space? Is there a complete modern city in this space?