update cai_guard_total set guard_num = guard_num + #{guardNum}, guard_value = guard_value + #{guardValue} where to_user_id = #{toUserId} and from_user_id = #{fromUserId} select t1.from_user_id,t1.to_user_id,t2.avatar,t1.guard_num from cai_guard_total t1 join cai_user t2 on t1.to_user_id = t2.id where t1.from_user_id = #{fromUserId} order by guard_num desc limit #{limit}