你好，我这里运行异常是connect ECONNREFUSED

[kk580kk]

请问这个项目还在维护吗？我这里在执行node app的时候有个异常
wechat-wall/node_modules/mongodb/lib/server.js:236
process.nextTick(function() { throw err; })
^
Error: connect ECONNREFUSED 127.0.0.1:27017
at Object.exports._errnoException (util.js:856:11)

[philipwabc]

need mongodb!