What Happened to the Puppet Emperor? Wrong Interpretation of the Entry Still Wins

He traveled through time and became a puppet emperor. The powerful ministers of the previous dynasty forced him into the palace, and the father in the harem pretended to be dead. The system threw a sentence of "turning a deer into a horse" and nothing happened. Okay, I'll figure it out myself—— Do you think the civil and military officials of the entire dynasty would dare to agree with the accusation that powerful officials are like horses?