The second method: download a game to get overwatch, clean up vehicles, stereos, sims, etc. Every 24 hours of simulation time.
The third method: reduce special effects and delete redundant mod patches, including supercomputers and sex assistants. It will make the game more stuck, so don't use it.
The fourth method: delete several package cache files in my document /EA/ Sims 3 after each game, which can effectively alleviate the jam phenomenon.