When the Turks invaded Wucheng, Li Jiancheng recommended Li Yuanji as a marshal to go to battle. For Li Yuanji to practice in Kunming Pond, when the time comes to kill Li Shimin.
After the Qin Dynasty learned of this news, Wei Chi Jingde and his eldest son Wu Ji dissuaded Li Shimin and dealt with this matter decisively, otherwise they would only be killed. Li Shimin sighed: "Now that the brothers are killing each other and destroying their family ties, everyone knows such a dangerous time." Although I was suspected and the disaster was imminent, after all, I was a flesh and blood compatriot, and I still couldn't bear it after all. Wei Chi Jingde said, "People are afraid of death, and all the people will serve His Highness with death, this is Providence." Although there are small feelings of benevolence and love, forgetting the great plan of the community, disaster is not fearful, death is not afraid, the loss of people and subjects are not avoided, and there is no such thing as the righteousness of the sages and the destruction of relatives, which is not unheard of. I beg Your Highness to let me go, I will not just be caught, and it is the wisdom of the wise to turn defeat into victory, and it is the strategy of the wise to turn misfortune into happiness. If I want to leave, the eldest grandson will also go with me. Li Shimin hesitated, and the eldest grandson said: "Your Highness is not decisive in handling things now, not wise, not decisive, not courageous." If you don't listen to Jingde's words, think for yourself, how to treat the country, how to treat yourself, and now there are more than eight hundred warriors, quietly entering the palace tonight, zhang bow and arrow, the matter has come to this point, His Highness still has something to hesitate. Jingde persuaded him for half a day, and only then did he make up his mind to start tomorrow.
The next day, inside the Xuanwu Gate, Li Shimin shot Li Jiancheng, Li Yuanji fled in a panic, the generals fired in a salvo, fell off the horse, just happened that Li Shimin's mount was mixed by a tree branch, and also fell off the horse, Li Yuanji rushed over and strangled Li Shimin's throat with a bowstring, Jingde quickly arrived, Li Yuanji hurriedly got up and took his life, wanted to go to the Wude Hall, and was hit in the back of the heart by Wei Chi Jingde's arrow, and was killed on the spot. Outside the Xuanwu Gate Gate, the people of the Prince's Mansion Qi Wangfu arrived and wanted to attack the Xuanwu Gate, Wei Chi Jingde held the second king's first rank to show the public, the generals saw that the lord was dead, so they scattered as birds and beasts, and quickly fled for their lives.
At this time, Li Yuan was boating in the sea pool, and Wei Chi Jingde led the order to wear armor and hold a spear to guard Li Yuan, Li Yuan was shocked when he saw it, what are you going to do? Wei Chi Jingde replied that the crown prince Qi Wang intended to plot rebellion, and the King of Qin led the troops to rebuke him. Fearing that His Majesty would be frightened, he specially ordered him to come and serve him. At this time, there were still resisters in the Erfu people, and Jingde asked Li Yuan to surrender his hand and ordered the Erfu army and horses to be dispatched by the King of Qin, and the matter was thus settled.
At the end of the matter, Li Yuan said that Jingde had made great contributions to the state society and rewarded many rare treasures. Li Shimin ascended to the Spring Palace and was given the title of Prince Zuo Wei. As far as the reward of merit is concerned, Wei Chi Jingde and the eldest grandson are the greatest. Each was given ten thousand silk horses, and all the treasures in the palace of Li Yuanji, the king of Qi, were returned to Wei Chi Jingde.
In the first year of Zhenguan, Bai was made a great general of the Marquis of Right Wu and was given the title of Duke of Wu. There are 1,300 households. He was the governor of Xiangzhou for three years, and moved to Tongzhou in the eighth year. In the eleventh year, he was the assassin of Xuanzhou and renamed the Duke of Eguo.
In his later years, Wei Chi Jingde believed in xianfang, practiced immortal elixirs, took mica powder, built a pond platform in fuchu, raised a group of artists, sang and danced all day, and did not communicate with outsiders. The whole thing is like a god.
In the third year of Xianqing, Emperor Gaozong of Tang posthumously honored his father as the governor of Youzhou for Wei Chi Jingde's credit to the Tang Dynasty, and his lieutenant Chi Jingde died. Emperor Gaozong of Tang therefore abolished the dynasty for three days and ordered officials of five pins or more to go to mourn. The book was given to Situ and the governor of the state. Zhongwu was buried with Zhaoling.