攻防世界 - NewsCenter - WriteUp
题目地址:https://adworld.xctf.org.cn/task/answer?type=web&number=3&grade=1&id=4686&page=1
参考:https://blog.csdn.net/weixin_42151611/article/details/91347270
猜列数我用的是1'order by 3 #