环境：安卓下的linux deploy使用chroot的ubuntu
系统：Ubuntu18.04 arm64
问题：无法下载安装插件，点击“安装插件”或“手动安装”也无法安装，但可以通过手动复制到目录安装。
提示：网络错误，请检查服务器能否访问外网。
网络是通的：
root@localhost:~# ping www.baidu.com
PING www.a.shifen.com (14.215.177.38) 56(84) bytes of data.
64 bytes from 14.215.177.38 (14.215.177.38): icmp_seq=1 ttl=54 time=25.3 ms
64 bytes from 14.215.177.38 (14.215.177.38): icmp_seq=2 ttl=54 time=26.6 ms
64 bytes from 14.215.177.38 (14.215.177.38): icmp_seq=3 ttl=54 time=43.0 ms
64 bytes from 14.215.177.38 (14.215.177.38): icmp_seq=4 ttl=54 time=35.6 ms
--- www.a.shifen.com ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9017ms
rtt min/avg/max/mdev = 22.469/28.193/43.079/6.046 ms