What does "好人一生平安" mean?

求A片种子的标准用句。以保佑PO主平安为幌子，企图语言绑架威迫PO主发种子。一般发这句话的同时回附带一个邮箱

ENA standard phrase for asking for porn seeds. It uses the guise of blessing the original poster with a peaceful life to try to coerce them into sharing seeds. Usually, an email address is included with this phrase.