In the warehouse, xinjiang wants to borrow some materials for research. He asks yixiangnuan to go with him. . , but . he can't do it himself, because there's a lot of stuff in the warehouse that needs to be moved. He's afraid that there might be traps in the place, and he asks yan na to come and help him. He says that he crossed out some things that were checked out, and there are two things that are still missing. He wants to move them out first, and then answer the phone. The signal isn't strong in the room, so he's going to go outside and answer it.