express-session deprecated undefined resave option; provide resave option app.js :16:9

express-session deprecated undefined resave option; provide resave option app.js:16:9express-session deprecated undefined saveUninitialized option; provide saveUninitialized option app.js:16:9

解决方法

app.use(session({  resave:false,//添加这行  saveUninitialized: true,//添加这行   secret: settings.cookieSecret,  key: settings.db,//cookie name  cookie: {maxAge: 1000 * 60 * 60 * 24 * 30},//30 days  store: new MongoStore({    db: settings.db,    host: settings.host,    port: settings.port  })}));