ECSHOP修改商品分类后出现以下问题，求解决

MySQL server error report:Array ( [0] => Array ( [message] => MySQL Query Error ) [1] => Array ( [sql] => SELECt g.goods_id, g.goods_name, g.goods_name_style, g.market_price, g.is_new, g.is_best, g.is_hot, g.shop_price AS org_price, IFNULL(mp.user_price, g.shop_price * '1') AS shop_price, g.promote_price, g.goods_type, g.promote_start_date, g.promote_end_date, g.goods_brief, g.goods_thumb , g.goods_img FROM `yaqi168`.`ecs_goods` AS g LEFT JOIN `yaqi168`.`ecs_member_price` AS mp ON mp.goods_id = g.goods_id AND mp.user_rank = '0' WHERe g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 AND (g.cat_id IN ('881') OR g.goods_id IN ('') ) ORDER BY salesnum DESC LIMIT 20 ) [2] => Array ( [error] => Unknown column 'salesnum' in 'order clause' ) [3] => Array ( [errno] => 1054 ) )

用默认模板执行数据库看看是不是数据库造成的问题，如果不是，那就用默认的模板一点一点的往里面拿，知道找到出问题的文件。。注意默认模板是没有解决jquery与js冲突的

ecshop分类树修改的是library/category.lbi这个库项目，也可以找专业的二次开发人员定制ecshop的展示方式和ecshop分类树功能的定制，例仿京东，仿当当，仿一号店，等分类树效果ecshop都可以实现

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