MySQL server error report:Array ( [0] => Array ( [message] => MySQL Query Error ) [1] => Array ( [sql] => SELECT g.goods_desc,g.goods_id, g.goods_name, g.goods_name_style, g.market_price, g.shop_price AS org_price, g.promote_price, IFNULL(g.promote_price, g.shop_price * '1') AS shop_price, promote_start_date, promote_end_date, g.goods_brief, g.goods_thumb, goods_img, b.brand_name, g.is_best, g.is_new, g.is_pro,g.is_hot, g.is_promote FROM `yuebing_com`.`zb_goods` AS g LEFT JOIN `yuebing_com`.`zb_goods_region` AS reg on reg.goods_id=g.goods_id LEFT JOIN `yuebing_com`.`zb_brand` AS b ON b.brand_id = g.brand_id WHERE g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 AND g.is_promote = 1 AND promote_start_date <= '1735960607' AND promote_end_date >= '1735960607' AND (reg.region_id= or reg.region_id=0 ) ORDER BY g.sort_order, g.last_update DESC LIMIT 5 ) [2] => Array ( [error] => You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'or reg.region_id=0 ) ORDER BY g.sort_order, g.last_update DESC LIMIT 5' at line 1 ) [3] => Array ( [errno] => 1064 ) )