update applet_novice_introduction set is_del=1 where id=#{id} delete from applet_novice_introduction where id=#{id} update applet_novice_introduction id = #{id}, sort = #{sort}, title = #{title}, content = #{content}, sequence_number = #{sequence_number}, create_time = #{create_time}::timestamp, is_del = #{is_del}, update_time =current_timestamp where id = #{id}