由于您似乎使用resolvconf,因此您需要在网络接口文件中使用dns-search选项
#/etc/network/interfaces
# The primary network interface
auto eth0
iface eth0 inet static
address 10.2.37.4
netmask 255.255.254.0
gateway 10.2.37.1
dns-nameservers 10.2.51.4 10.2.52.4
dns-search example.org
