nodejs安装错误

network错误：

npm ERR! network tunneling socket could not be established, cause=connect ECONNREFUSED 127.0.0.1:8080

npm ERR! network This is most likely not a problem with npm itself

npm ERR! network and is related to network connectivity.

npm ERR! network In most cases you are behind a proxy or have bad network settings.

npm ERR! network

npm ERR! network If you are behind a proxy, please make sure that the

npm ERR! network 'proxy' config is set properly.  See: 'npm help config'

npm ERR! Please include the following file with any support request:

npm ERR!     /Users/jikuandai/Desktop/demo/npm-debug.log

at ChildProcess.exithandler (child_process.js:206:12)

at emitTwo (events.js:106:13)

at ChildProcess.emit (events.js:191:7)

at maybeClose (internal/child_process.js:852:16)

at Socket.<anonymous> (internal/child_process.js:323:11)

at emitOne (events.js:96:13)

at Socket.emit (events.js:188:7)

at Pipe._handle.close [as _onclose] (net.js:492:12)

解决办法：

npm config rm proxy

npm config rm https-proxy

错误2：Error: Cannot find module 'connect'

解决办法：

模块安装取消全局安装,即去除-g。sudo npm install connect -g