Demon Hunter in the Northern Song Dynasty

Because of the mistake of a thousand-year-old demon, Cheng Zhang came to the second year of Xuanhe in the Northern Song Dynasty. At this time, the Northern Song Dynasty was still peaceful, but the storm of Jingkang's shame was gradually approaching. Cheng Zhang, who originally only wanted to go home, unexpectedly received the inheritance of the monster hunter. At this time, the famous minister Li Guangyou said: The spirit of resentment has become a demon. Therefore, only by calming the grievances in this world can the monster hunter stop the evil spirits from causing harm. Can Cheng Zhang change the fate of the Northern Song Dynasty? What kind of intersection will happen between him and the historical celebrities at this time?