Rectify the fiscal and taxation in Jianghuai and increase the fiscal revenue. Take advantage of the contradiction between the provinces to cancel the eunuch's supervision of the army.
In the first year of Yuanhe (805), Gao Chongwen was the first to draw a flat sword and appointed Liu Pi as our time.
In the eighth year of Yuanhe (8 12), Tian Ji 'an was killed by Weber, and Tianxing came to power with the support of the town soldiers. The central government appointed him as our envoy, so he joined the central government and was sealed as a field.
In the 9th year of Yuanhe (8 14), Wu Shaoyang died in Huaixi, and his son Wu Yuanji was divided into three states: Shenzhou, Guangzhou and Cai Zhou. Xianzong sent his troops to discuss with nearly 90 thousand people, but it was a protracted and futile war. In the 12th year (8 17), Pei Du, the prime minister, was appointed as the ambassador of Huaixi to publicize and comfort the whole army. Li Su, a constitutionalist, tried to make peace with Wu Yuanji, and the defenders of Shen Guang and Guangzhou also fell. After Henghai, Cheng Quan was invited to be an official in the DPRK, and the court recovered Cang and Jing (northeast of Jingxian County, Hebei Province).
You Zhou (now Beijing), Mr. Liu, please submit the above form. Chengde Town started a new stove and set up two states: Dede and Di (now southeast of Shandong Huimin).
Demote Zhao Yi to Lu Congshi as Zhangzhou Sima.
In February of the 14th year of Yuanhe (8 19), Liu Wu killed our time Li Shidao. Liziqingshi Island was also razed to the ground, and twelve states of Qing Zi were recovered. Chengde Wang Chengzong, Lu and others invited themselves out of the city to enter the DPRK, and the separatist situation in the buffer region temporarily ended.
In the fifteenth year of Yuanhe (820), after Wang Chengzong died of illness in Chengde Town, his brother Wang Chengyuan surrendered.
Since Guangde (Tang Daizong), the situation that "in the past 60 years, the buffer region dominated more than 30 states in northern Henan, except officials, and even obeyed the constraints of the imperial court" came to an end, which was called "Yuanhe Zhongxing" in history.