Missing .appiumconfig.json file at appium folder

I install appium form commandline :npm install -g [email protected].
When i launch appium via “appium -r 3”, i got error infos:

error: Could not find config file: /usr/local/lib/node_modules/appium/.appiumconfig.json; looks like config hasn’t been run. Please run reset.sh or appium configure.
error: uncaughtException: Could not find config file: /usr/local/lib/node_modules/appium/.appiumconfig.json; looks like config hasn’t been run. Please run reset.sh or appium configure. date=Sun Sep 28 2014 18:43:41 GMT+0800 (CST), pid=32196, uid=501, gid=20, cwd=/usr/local/lib/node_modules/appium, execPath=/usr/local/Cellar/node/0.10.32/bin/node, version=v0.10.32, argv=[node, /usr/local/bin/appium, -r, 3], rss=70586368, heapTotal=58235904, heapUsed=27966576, loadavg=[3.302734375, 2.57666015625, 2.22509765625], uptime=30024, trace=[column=13, file=/usr/local/lib/node_modules/appium/lib/helpers.js, function=exports.getAppiumConfig, line=587, method=getAppiumConfig, native=false, column=23, file=/usr/local/lib/node_modules/appium/lib/server/main.js, function=null, line=130, method=null, native=false, column=21, file=/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js, function=null, line=610, method=null, native=false, column=17, file=/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js, function=null, line=249, method=null, native=false, column=13, file=/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js, function=iterate, line=149, method=null, native=false, column=9, file=/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js, function=async.eachSeries, line=165, method=eachSeries, native=false, column=13, file=/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js, function=_asyncMap, line=248, method=null, native=false, column=23, file=/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js, function=Object.mapSeries, line=231, method=mapSeries, native=false, column=19, file=/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js, function=Object.async.series, line=608, method=async.series, native=false, column=9, file=/usr/local/lib/node_modules/appium/lib/server/main.js, function=Object.main [as run], line=128, method=main [as run], native=false], stack=[Error: Could not find config file: /usr/local/lib/node_modules/appium/.appiumconfig.json; looks like config hasn’t been run. Please run reset.sh or appium configure., at exports.getAppiumConfig (/usr/local/lib/node_modules/appium/lib/helpers.js:587:13), at /usr/local/lib/node_modules/appium/lib/server/main.js:130:23, at /usr/local/lib/node_modules/appium/node_modules/async/lib/async.js:610:21, at /usr/local/lib/node_modules/appium/node_modules/async/lib/async.js:249:17, at iterate (/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js:149:13), at async.eachSeries (/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js:165:9), at _asyncMap (/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js:248:13), at Object.mapSeries (/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js:231:23), at Object.async.series (/usr/local/lib/node_modules/appium/node_modules/async/lib/async.js:608:19), at Object.main [as run] (/usr/local/lib/node_modules/appium/lib/server/main.js:128:9)]

And i found that i also missing build folder!