message: Fix cid null (fix
diff: @@ -236,6 +236,9 @@ const selectCid = lodash.once(() => select(() => {
  if (!unsafeWindow.bvid && info.bvid) {
  unsafeWindow.bvid = info.bvid
  }
  + if (!unsafeWindow.cid && info.cid) {
  + unsafeWindow.cid = info.cid.toString()
  + }
  return info.cid.toString()
  }
  return null
  