INSERT INTO message (user_id, merchant_id, order_id, content, status) VALUES (#{userId}, #{merchantId}, #{orderId}, #{content}, #{status}) SELECT * FROM message WHERE user_id = #{userId} ORDER BY create_time DESC SELECT * FROM message WHERE merchant_id = #{merchantId} ORDER BY create_time DESC SELECT * FROM message WHERE id = #{id} UPDATE message reply = #{reply}, status = #{status}, reply_time = #{replyTime}, WHERE id = #{id}