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执行SQL发生错误！错误：no such column: m，语句：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<'2025-11-01 05:34:50') AND(a.title like '%陕西晶瑞环保安装工程有限公司%' AND m like '%Search%' AND module like '%Product%' )