 When Yuan Shao refused to listen, Tian Feng repeatedly attempted to push his ideas through.Yuan Shao, thinking that Tian Feng was trying to dampen his troops' morale, became furious and ordered Tian Feng to be put in chains and thrown into prison.After Yuan Shao lost the Battle of Guandu against Cao Cao, someone told Tian Feng, "Your talents will be put to good use again."