1 找includes/lib_goods.php把b.brand_logo加上.
/**
* 获得商品的详细信息
*
* @access  public
* @param   integer     $goods_id
* @return  void
*/
function get_goods_info($goods_id)
{
    $time = gmtime();
    $sql = 'SELECT g.*, c.measure_unit, b.brand_id, b.brand_logo, b.brand_name AS goods_brand,

2 good.dwt 页面调用图片地址用<img src="/data/brandlogo/{$goods.brand_logo}">