1、查看当前 node 版本
node -v
![](/club/bbs/upload/image/20230619/6382276577957551954523557.png)
2、清除缓存信息
npm cache clean -f
![](/club/bbs/upload/image/20230619/6382276616181190891981451.png)
3、下载node安装包
npm install -g n
![](/club/bbs/upload/image/20230619/6382276867830897381480618.png)
4、升级到nodejs最新稳定版本
n stable
![](/club/bbs/upload/image/20230619/6382276932239103853046057.png)
5、查看当前版本
node -v
![](/club/bbs/upload/image/20230619/6382277017475700012311449.png)
6、发现node版本没变, 运行
hash -r (for bash, zsh, ash, dash, and ksh)
rehash (for csh and tcsh)
7、停用 node-red
systemctl stop nodered
8、更新node-red
npm install -g --unsafe-perm node-red
![](/club/bbs/upload/image/20230619/6382278405687651209201519.png)
9、更新 nodejs
curl -fsSL https://deb.nodesource.com/setup_14.x | sudo -E bash -
apt-get install -y nodejs
10、重启2050
reboot