npm install出现node-gyp rebuild问题

最近使用npm打包服务时候总是出现以下错误（内容有删减）：

�[91mwarning " > [email protected]" has incorrect peer dependency "webpack@^1.9.11".
�[0m[5/5] Building fresh packages...
�[91merror /app/node_modules/libxmljs: Command failed.
Exit code: 1
Command: node-gyp rebuild
Arguments: 
Directory: /app/node_modules/libxmljs
Output:
gyp info it worked if it ends with ok
gyp info using [email protected]
gyp info using [email protected] | linux | x64
gyp http GET [https://nodejs.org/download/release/v8.11.4/node-v8.11.4-headers.tar.gz](https://nodejs.org/download/release/v8.11.4/node-v8.11.4-headers.tar.gz)
gyp WARN install got an error, rolling back install
gyp ERR! configure error 
gyp ERR! stack Error: connect ETIMEDOUT 104.20.22.46:443
gyp ERR! stack     at Object._errnoException (util.js:992:11)
gyp ERR! stack     at _exceptionWithHostPort (util.js:1014:20)
gyp ERR! stack     at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1186:14)

解决方法：
删除~/.node-gyp即可。