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}