message: Fix position for original navbar
diff: position: sticky !important;
  top: 0 !important;
  }
  +.van-popper-avatar,
  +.van-popper-vip,
  +.van-popper-favorite,
  +.van-popper-history,
  +.van-popper-upload,
  +.popover-channe,
  +.popover-game,
  +.popover-live,
  .custom-navbar {
  position: fixed !important;
  }
  