getUserInfo:fail scope unauthorized

小程序登录时用

wx.getUserInfo({

success: function (res) {

console.log({ encryptedData: res.encryptedData, iv: res.iv, code: code })

//3.解密用户信息 获取unionId

//…

},

fail: function (ref) {

console.log(ref)

}

})

返回getUserInfo:fail scope unauthorized怎么回事啊