What is the dog like in the movie Broken Bridge?

Brother Bi. Broken Bridge is a crime drama directed by Li Yu and starring Sandra, Karry and Fan Wei. It was released in Chinese mainland on August 3rd, 2022. In the movie, the male owner Meng Chao has a puppy Bixiong, which is the protagonist's favorite pet. The film tells the story of the sudden collapse of the Huangquecheng Bridge, a human bone buried alive for many years in the pier, and Wen Xiaoyu, the daughter of the deceased, embarked on the road of seeking truth and revenge with the help of a boy who claimed to be Meng Chao.