这是由于HOST配置问题导致的,需要加入自身机器的HOST映射
192.168.148.132 test2
test2的配置
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.148.131 test1
192.168.148.133 test3
192.168.148.132 test2