`id`,`paper_id`,`answer_id`,`qu_id`,`is_right`,`checked`,`sort`,`abc` SELECT pa.`id`,pa.`paper_id`,pa.`answer_id`,pa.`qu_id`,pa.`checked`,pa.`sort`,pa.`abc`,qa.content,qa.image FROM el_paper_qu_answer pa LEFT JOIN el_qu_answer qa ON pa.answer_id=qa.id WHERE pa.paper_id=#{paperId} AND pa.qu_id=#{quId} ORDER BY pa.sort ASC SELECT pa.`id`,pa.`paper_id`,pa.`answer_id`,pa.`qu_id`,pa.`checked`,pa.`sort`,pa.`abc`,qa.content,qa.is_right,qa.image FROM el_paper_qu_answer pa LEFT JOIN el_qu_answer qa ON pa.answer_id=qa.id WHERE pa.paper_id=#{paperId} AND pa.qu_id=#{quId} ORDER BY pa.sort ASC