错误提示如下：

var app=getApp

Page({

data: {

username:null

},

onLoad: function (options) {

if (app.appData.userinfo == null){

wx.redirectTo({ url: "../logs/logs"})

}else{

this.setData({ username: app.appData.userinfo.username })

}

},

onReady: function () {

},

onShow: function () {

},

onHide: function () {

},

onUnload: function () {

}

})