const takeCamera = () => {
  const ctx = Taro.createCameraContext()
  console.log('takeCamera', ctx)
  ctx.takePhoto({
    quality: 'high',
    success: res => {
      console.log('success', res)
    },
    fail: err => {
      console.log('error', err)
    },
    complete: done => {
      console.log('complete', done)
    }
  })
}