代码用法：

curl https://raw.githubusercontent.com/zhanghanyun/backtrace/main/install.sh -sSf | sh

支持的线路为：电信CN2 GT，电信CN2 GIA，联通169，电信163，联通9929，联通4837，移动CMI

vps回程检测

wget -qO- git.io/autobesttrace | bash

回程路由一键测试脚本

wget https://raw.githubusercontent.com/nanqinlang-script/testrace/master/testrace.sh

bash testrace.sh

三网测速

bash <(curl -Lso- https://git.io/superspeed)

91云检测脚本

wget -N --no-check-certificate https://raw.githubusercontent.com/91yun/91yuntest/master/test.sh && bash test.sh -i "io,bandwidth,chinabw,download,traceroute,backtraceroute,allping"

总体测试

curl -fsL https://ilemonra.in/LemonBenchIntl | bash -s full