谁是卧底-投票
```javascript
return getRoomInfo().then(info=>{
let datas = Object.values(info.seats).reduce((t, s)=>{
if(s.user && s.user._id){
if(!/^https?:\/\//.test(s.user.head)){
s.user.head = 'https://shengjian-1258861966.image.myqcloud.com/head/' + s.user.head + '?imageMogr2/thumbnail/!100x100r'
}
t.push(s.user)
}
return t
}, [])
return select({
datas,
props: {
name: 'nickname',
image: 'head'
}
}).then(({option})=>{
let _id = option._id
if(_id){
return {
cmd: 'vote',
userid: _id
}
}
})
})
```