李吉甫
In 813, Wu was recalled to Chang'an to again serve as "Menxia Shilang" and chancellor. It was said that at that time, his fellow chancellors Li Jifu and Li Jiang often disputed with each other, and that he was the moderate between their opinions. After Li Jifu's death in 814, Emperor Xianzong put Wu in charge of managing the campaign against the warlord Wu Yuanji, who then controlled Zhangyi Circuit (彰義, headquartered in Zhumadian, Henan.