1. wget https://npm.taobao.org/mirrors/node/v14.15.1/node-v14.15.1-linux-x64.tar.xz
2. xz -d node-v14.15.1-linux-x64.tar.xz
3. tar -xvf node-v14.15.1-linux-x64.tar
4. mv node-v14.15.1-linux-x64 /usr/local/node-v14.15.1
5. ln -s /usr/local/node-v14.15.1/bin/npm /usr/local/bin/npm
6. ln -s /usr/local/node-v14.15.1/bin/npx /usr/local/bin/npx
7. ln -s /usr/local/node-v14.15.1/bin/node /usr/local/bin/node