增加goodsBL部分实现，PO实现序列化接口
Merge branch 'master' of https://github.com/TeamColorWolf/Team-Wolf
your dad没电了，赶紧push
Merge branch 'master' of https://github.com/TeamColorWolf/Team-Wolf
Merge branch 'master' of https://github.com/TeamColorWolf/Team-Wolf