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<'2025-11-07 12:22:12') AND(c like '%pingce%' AND kw like '%醫(yī)療保險(xiǎn),重疾,保障,核保%' )