微信小程序错误: Error: cloud.callFunction:fail -404006 empty poll result base resp.

遇到的错误: Error: cloud.callFunction:fail -404006 empty poll result base resp. 如下图:

解决前我的云函数代码如下:

const cloud = require('wx-server-sdk')
cloud.init()
const db = cloud.database()

exports.main = async (event, context) => {
  const appointmentTimeArr = db.collection('appointment_time').get()
  return appointmentTimeArr
}

解决后我的云函数代码如下:

const cloud = require('wx-server-sdk')
cloud.init({
  // 此处请填入你的环境 ID, 环境 ID 可打开云控制台查看
  env: 'cloud1-6gso***********',
})
const db = cloud.database()

exports.main = async (event, context) => {
  const appointmentTimeArr = db.collection('appointment_time').get()
  return appointmentTimeArr
}

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