数据库错误: [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 ') AS A INNER JOIN `ay_picture` AS B ON A.tid=B.id LIMIT 1' at line 1]
SELECT * FROM (SELECT tid FROM `ay_product_detailpic_relation` WHERE pid=) AS A INNER JOIN `ay_picture` AS B ON A.tid=B.id LIMIT 1