?一次性

export http_proxy="http://192.168.0.188:7890"
export https_proxy="http://192.168.0.188:7890"

一直生效

寫入 ~/.bashrc（或 ~/.bash_profile）

nano ~/.bashrc

?加入這一行：

export http_proxy="http://192.168.0.188:7890"
export https_proxy="http://192.168.0.188:7890"

保存后，執行一次：

source ~/.bashrc