 Sima Zhao was worried that Deng Ai would not submit, so he ordered Zhong Hui and Wei Guan to arrest Deng Ai.With Zhong Hui and his troops following behind, Wei Guan went to Deng Ai's camp in Chengdu and used Sima Zhao's letter of authorisation to order Deng's soldiers to put down their weapons.Deng Ai was arrested and placed in a prison cart.