遇到如下警告
PS C:\Users\Administrator> npm
npm WARN npm npm does not support Node.js v9.11.2
npm WARN npm You should probably upgrade to a newer version of node as
npm WARN npm can't make any promises that npm will work with this vers
npm WARN npm Supported releases of Node.js are the latest release of 4
npm WARN npm You can find the latest version at https://nodejs.org/PS C:\Users\Administrator> npm
npm WAR
