執(zhí)行SQL發(fā)生錯誤！錯誤：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<'2025-11-29 10:33:53') AND(c like '%news%' AND kw like '%意外醫(yī)療,定期壽險,意外險,理賠%' )