 Meng Da also did not believe Wang Chong.Zhuge Liang attempted to contact Meng Da and induce him to defect back to Shu, despite objection from Fei Shi, who remarked that Meng Da was an untrustworthy traitor.By then, the Wei emperor Cao Pi had died and was succeeded by Cao Rui, who treated Meng Da less favourably.