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<'2025-12-14 17:43:24') AND(c like '%baike%' AND kw like '%基本醫(yī)療保險,大病醫(yī)療保險,補充醫(yī)療保險,醫(yī)療保險費用%' )