N多错误，没找到原因，是因为nodejs版本原因么？现在是4.4.5

[jakehu]

Unhandled rejection Error: [object Object]
    at Object.ensureErrorObject (/home/jakehu/Web/second-hand-market/node_modules/bluebird/js/main/util.js:261:20)
    at Promise._rejectCallback (/home/jakehu/Web/second-hand-market/node_modules/bluebird/js/main/promise.js:472:22)
    at rejectFromThenable (/home/jakehu/Web/second-hand-market/node_modules/bluebird/js/main/thenables.js:70:17)
    at wrappedRejectedCallback (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:416:21)
    at /home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:348:7
    at Function._.each._.forEach (/home/jakehu/Web/second-hand-market/node_modules/underscore/underscore.js:153:9)
    at Promise._.extend.reject (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:347:7)
    at wrappedRejectedCallback (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:432:17)
    at /home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:348:7
    at Function._.each._.forEach (/home/jakehu/Web/second-hand-market/node_modules/underscore/underscore.js:153:9)
    at Promise._.extend.reject (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:347:7)
    at /home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:422:21
    at Promise.wrappedRejectedCallback (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:416:21)
    at /home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:462:33
    at runLater (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:437:12)
    at Promise._.extend.then (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:461:7)
    at wrappedRejectedCallback (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:419:21)
    at /home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:348:7
    at Function._.each._.forEach (/home/jakehu/Web/second-hand-market/node_modules/underscore/underscore.js:153:9)
    at Promise._.extend.reject (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:347:7)
    at wrappedRejectedCallback (/home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:432:17)
    at /home/jakehu/Web/second-hand-market/node_modules/avoscloud-sdk/lib/promise.js:348:7