D:\hapi_learn>npm install --save hapi@.x.x
npm ERR! code ENOSELF
npm ERR! Refusing to install package with name "hapi" under a package
npm ERR! also called "hapi". Did you name your project the same
npm ERR! as the dependency you're installing?
npm ERR!
npm ERR! For more information, see:
npm ERR! <https://docs.npmjs.com/cli/install#limitations-of-npms-install-algorithm> npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\xwanga\AppData\Roaming\npm-cache\_logs\--10T07_15_40_621Z-debug.log
解决方法就是，修改package.json中的name名称，再重新执行安装命令即可。