fix: 群成员重复

wl

2022-12-26 453e847669df9f22266b073bda76523726913ede

 src/main/java/com/example/jz/service/impl/GroupUserServiceImpl.java

@@ -16,4 +16,3 @@
public class GroupUserServiceImpl extends ServiceImpl<GroupUserDao, GroupUser> implements GroupUserService {

}