在passport.js中的Date.now无法完成

当我在我的nodejs网站上通过facebook创build用户时,我想分配registerdate。 我正在使用护照。 如果我使用本地提供程序,则可以在我的Mongoose模式中使用

regisDate: { type:Date, 'default': Date.now }, 

然而在护照脸书这是我的代码:

 function(accessToken, refreshToken, profile, done) { User.findOne({'facebook.id': profile.id}).exec() .then(user => { if (user) { return done(null, user); } user = new User({ firstName: profile.first_name, lastName: profile.last_name, address: '', regisDate: Date.now, birthday: profile.birthday, email: profile.emails[0].value, role: 'user', provider: 'facebook', facebook: profile._json }); user.save() .then(user => done(null, user)) .catch(err => done(err)); }) .catch(err => done(err)); })); 

当继续它返回一个错误在这样的页面。

 ValidationError: CastError: Cast to Date failed for value "function now() { [native code] }" at path "regisDate" at MongooseError.ValidationError (/home/gema/Desktop/stash/tx/node_modules/mongoose/lib/error/validation.js:22:11) at model.Document.invalidate (/home/gema/Desktop/stash/tx/node_modules/mongoose/lib/document.js:1411:32) at model.Document.set (/home/gema/Desktop/stash/tx/node_modules/mongoose/lib/document.js:696:10) at model.Document.set (/home/gema/Desktop/stash/tx/node_modules/mongoose/lib/document.js:541:18) at model.Document (/home/gema/Desktop/stash/tx/node_modules/mongoose/lib/document.js:67:10) at model.Model (/home/gema/Desktop/stash/tx/node_modules/mongoose/lib/model.js:41:12) at new model (/home/gema/Desktop/stash/tx/node_modules/mongoose/lib/model.js:3200:11) at passport.js:24:16 From previous event: at model.wrappedPointCut [as save] (/home/gema/Desktop/stash/tx/node_modules/mongoose/lib/document.js:1893:14) at passport.js:37:14 at tryOnImmediate (timers.js:534:15) at processImmediate [as _immediateCallback] (timers.js:514:5) From previous event: at Strategy._verify (passport.js:19:8) at /home/gema/Desktop/stash/tx/node_modules/passport-oauth2/lib/strategy.js:193:24 at /home/gema/Desktop/stash/tx/node_modules/passport-facebook/lib/strategy.js:181:5 at passBackControl (/home/gema/Desktop/stash/tx/node_modules/oauth/lib/oauth2.js:125:9) at IncomingMessage.<anonymous> (/home/gema/Desktop/stash/tx/node_modules/oauth/lib/oauth2.js:143:7) at emitNone (events.js:85:20) at IncomingMessage.emit (events.js:179:7) at endReadableNT (_stream_readable.js:913:12) at _combinedTickCallback (internal/process/next_tick.js:74:11) at process._tickCallback (internal/process/next_tick.js:98:9) 

如何通过护照正确调用Date.now函数? 谢谢。

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