cd /usr/local/src
sudo wget https://npm.taobao.org/mirrors/node/v14.16.0/node-v14.16.0-linux-x64.tar.gz
sudo tar -zxvf node-v14.16.0-linux-x64.tar.gz
sudo mv node-v14.16.0-linux-x64 nodejs
cd nodejs
sudo ln -s /usr/local/src/nodejs/bin/node /usr/local/bin/node
sudo ln -s /usr/local/src/nodejs/bin/npm /usr/local/bin/npm