const _onItemClick = useCallback(({ urls }) => {
  if (!urls || urls.length === 0) return
  Taro.previewMedia({
    sources: urls.map(({ url, type }) => {
      // 1: image; 2: video.
      const isImage = type === 1
      const poster = isImage ? url : sm_parseUrl(url).params.coverImg
      return {
        url,
        type: isImage ? 'image' : 'video',
        poster,
      }
    }),
    current: 0,
  })
}, [])