The problem with discovery rule

[liuping]

zabbix version:2.0.1

zabbix server:192.168.110.128
zabbix proxy: 192.168.110.129
zabbix agent:
192.168.110.128 server.example.com
192.168.110.129 agent1.example.com
192.168.110.130 agent2.example.com
192.168.110.131 agent3.example.com

the zabbix_agentd.conf parameter "Hostname" value is
192.168.110.128：server-192-168-110-128
192.168.110.129：192.168.110.129
192.168.110.130：192.168.110.130
192.168.110.131：192.168.110.131

excute command:


The discovery rule:


Why in the Hosts menu:The name is not the "Hostname" parameter value: