Widget _fail(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.only(top: 24),
      child: Row(
        children: [
          const SizedBox(
            width: 16,
          ),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Padding(
                padding: const EdgeInsets.only(bottom: 16),
                child: TDText(
                  '失败默认提示',
                  font: TDTheme.of(context).fontBodyMedium,
                  textColor: TDTheme.of(context).fontGyColor2.withOpacity(0.6),
                ),
              ),
              const TDImage(
                imgUrl: 'error',
                type: TDImageType.roundedSquare,
              ),
            ],
          ),
          const SizedBox(
            width: 24,
          ),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Padding(
                padding: const EdgeInsets.only(bottom: 16),
                child: TDText(
                  '失败自定义提示',
                  font: TDTheme.of(context).fontBodyMedium,
                  textColor: TDTheme.of(context).fontGyColor2.withOpacity(0.6),
                ),
              ),
              TDImage(
                imgUrl: 'error',
                errorWidget: TDText(
                  '加载失败',
                  forceVerticalCenter: true,
                  font: TDTheme.of(context).fontBodyExtraSmall,
                  fontWeight: FontWeight.w500,
                  textColor: TDTheme.of(context).fontGyColor3,
                ),
                type: TDImageType.roundedSquare,
              ),
            ],
          ),
          const SizedBox(
            width: 24,
          ),
        ],
      ),
    );
  }