to see if there is anything wrong with you中anything为什么不用somethig

to see if there is anything wrong with you中anything为什么不用somethig
文章是这样的 If you are looked at for more than necessary,you will look at yourself up and down,to see if there is _______wrong with you.网上something与anything都看到可以用to see if there is 句子中，所以为什么用anything 而不用something呢，