In Gu Long's novel, what bad things did Lian Chengbi do?

Lian Chengbi was a famous character in Gu Long's novel, The Legend of Lu Xiaofeng. He was originally a kind person, but sometimes he did some bad things. One of the bad things was that he murdered his wife and her lover. To be specific, Lian Chengbi decided to kill his wife with poison after discovering that she was having an affair with someone else. However, when he was carrying out his plan, he was saved by his wife's lover and Lian Chengbi escaped. However, he still harbored hatred for his wife and kept hunting down her lover. In addition, Lian Chengbi had also used his intelligence and martial arts to murder many times, including murdering an official and his family, and deceiving an innocent person into death. In the end, Lian Chengbi was defeated by Lu Xiaofeng and the others, ending his sinful life.