Fangtou by Murong Chui. Huan was too cautious to take on Yecheng and his plans to ensure a supply line failed as the canal he ordered Yuan Zhen to build was not completed in time. Abdicating Emperor Fei Yuan Zhen's rebellion Huan Wen returned to Jin embarrassed from what he considered his worst defeat. The reason he wanted the campaign was so that Yan's demise would allow him to receive the nine bestowments and take the throne. His latest defeat prevented this, and now he considered a different approach to becoming emperor. Saving face, he blamed Yuan Zhen for failing to secure his supply line. This in turn caused Yuan Zhen to rebel in Shouchun in 370. Huan defeated the rebellion in 371. Afterwards, he asked Chi Chao if this would be enough to clear his defeat at Fangtou, but Chi Chao believe it was not. Smear campaign against Emperor Fei One night, Chi Chao visited Huan Wen's home. He said to Huan Wen that he should act quickly, as Huan was already 59 years old and could die anytime now. If Huan Wen could not be emperor, then he should at the very least abdicate the emperor and replace him with someone he could control. Chi Chao and Huan Wen developed a scheme. They knew about Emperor Fei's controversial sex life, so they came up with a rumour that he was infertile. They claim that his wives and concubines were sleeping with his favourite ministers such as Xiang Long (相龍) and Ji Hao (計好), and that his three children were not actually his. Huan Wen and Chi Chao spread the rumour among the common people, and no one knew what was right and what was wrong. Huan Wen would enter the capital the next month with an edict he claimed was from Empress Dowager Chu. He then abdicated Emperor Fei with Sima Yu, who he had a tight grasp on during his short reign. Chi Chao would become Gentleman-Attendants of the Palace Secretariat. Reign of Emperor Jianwen and Emperor Xiaowu Reign of Emperor Jianwen Chi Chao held a significant amount of power in the court, acting as Huan Wen's eye to report him the situation in the government. Because of this, many in the court including Xie An feared him. Sima Yu, now Emperor Jianwen of Jin, lamented the Jin dynasty's fate. He once asked Chi Chao if that