解决办法：vi /etc/yum.repos.d/zabbix.repo把baseurl中含有6的替换成7比如baseurl=http://repo.zabbix.com/zabbix/5.0/rhel/6/$basearch/debuginfo/替换成baseurl=http://repo.zabbix.com/zabbix/5.0/rhel/7/$basearch/debuginfo/执行yu