测试配置文件
vim /usr/local/etc/v2ray/config.json
v2ray test -config /usr/local/etc/v2ray/config.json
systemctl restart v2ray
ss -tulnp
vim /usr/local/etc/v2ray/config.json
v2ray test -config /usr/local/etc/v2ray/config.json
systemctl restart v2ray
ss -tulnp