#apt-get 卸载
    sudo apt-get remove --purge npm
    sudo apt-purge nodejs
    sudo apt-get remove --purge nodejs-legacy
    sudo apt- autoremove

    #手动删除 npm 相关目录
    rm -r /usr/local/bin/npm
    rm -r /usr/local/lib/node-moudels
    find / -name npm
    rm -r /tmp/npm*