Copyright: white cat legend
White Cat Legend (大理寺日志, "Dali Si Rizhi") is a Chinese manhua and donghua series (the latter streaming on bilibili) set in the Tang Dynasty, following the adventures of Chen Shi and his boss Li Bing, a senior official with the appearance of a cat.
Official site (Chinese): https://www.bilibili.com/bangumi/media/md28227527/