serverless云函数报错，求解？

const cloud = require('wx-server-sdk')  // wx-server-sdk 2.3.2
cloud.init()
const db = cloud.database()
const resInfo = db.collection('resInfo')

exports.main_handler = async (event, context, callback) => {
    return await resInfo.get().then(res => {
        return res
    })
}

数据库权限

{
"read": true,
"write": true
}

报错

errCode: -501007 invalid parameters | errMsg: collection.get:fail missing authoration key, 
redeploy the function; at collection.get api;