執(zhí)行SQL發(fā)生錯(cuò)誤！錯(cuò)誤：no such column: c，語句：SELECT COUNT(*) AS sum FROM ay_content a LEFT JOIN ay_content_sort b ON a.scode=b.scode LEFT JOIN ay_content_sort c ON a.subscode=c.scode LEFT JOIN ay_model d ON b.mcode=d.mcode LEFT JOIN ay_content_ext e ON a.id=e.contentid WHERE(a.status=1 AND d.type=2 AND a.date<'2025-10-09 05:49:46') AND(c like '%pingce%' AND kw like '%保險(xiǎn)金,重疾險(xiǎn),保障,重疾%' )