Widget _buildDisplayAvatar(BuildContext context){
    var assetUrl = 'assets/img/td_avatar_1.png';
    var assetUrl2 = 'assets/img/td_avatar_2.png';
    var avatarList = [assetUrl, assetUrl2, assetUrl, assetUrl2, assetUrl];
    return Container(
      alignment: Alignment.centerLeft,
      padding: const EdgeInsets.only(left: 16),
      child: TDAvatar(
        size: TDAvatarSize.medium,
        type: TDAvatarType.display,
        displayText: '+5',
        avatarDisplayListAsset: avatarList,),
    );
  }