不行。启动不了

[tikeyc]

PC-194-iMac:application-two public1$ npm start

[email protected] start /Users/public1/Desktop/HTML-Study/application-two
node ./server/server.js

events.js:167
throw er; // Unhandled 'error' event
^

Error: listen EADDRINUSE :::3000
at Server.setupListenHandle [as _listen2] (net.js:1330:14)
at listenInCluster (net.js:1378:12)
at Server.listen (net.js:1466:7)
at Application.listen (/Users/public1/Desktop/HTML-Study/application-two/node_modules/koa/lib/application.js:64:19)
at Object. (/Users/public1/Desktop/HTML-Study/application-two/server/server.js:47:5)
at Module._compile (internal/modules/cjs/loader.js:678:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:689:10)
at Module.load (internal/modules/cjs/loader.js:589:32)
at tryModuleLoad (internal/modules/cjs/loader.js:528:12)
at Function.Module._load (internal/modules/cjs/loader.js:520:3)
at Function.Module.runMain (internal/modules/cjs/loader.js:719:10)
at startup (internal/bootstrap/node.js:228:19)
at bootstrapNodeJSCore (internal/bootstrap/node.js:575:3)
Emitted 'error' event at:
at emitErrorNT (net.js:1357:8)
at process._tickCallback (internal/process/next_tick.js:174:19)
at Function.Module.runMain (internal/modules/cjs/loader.js:721:11)
at startup (internal/bootstrap/node.js:228:19)
at bootstrapNodeJSCore (internal/bootstrap/node.js:575:3)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] start: node ./server/server.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! /Users/public1/.npm/_logs/2018-06-01T04_09_07_213Z-debug.log