无法获取发送人name

[wms888]

msg.talker() 或者 msg.from(),有时候可以获取到，有时候获取不到
WechatifiedContactSelfImpl {
_events: [Object: null prototype] {},
_eventsCount: 0,
_maxListeners: undefined,
id: '@xxxx',
payload: {
address: undefined,
alias: '',
avatar: '/cgi-bin/mmwebwx-bin/webwxgeticon?seq=185320399&username=@xxxxx&skey=@xxxx',
city: undefined,
friend: true,
gender: 0,
id: '@xxxxx',
name: false,
phone: [],
province: undefined,
signature: '',
star: false,
type: 1,
weixin: undefined
},
[Symbol(kCapture)]: false
}