搜索表单不能在生产中工作

For some reason my search form is not working correctly when my app is launched, in the localhost its working without a problem but when I go to use the search on the launched app the search seems to be broken. I can't figure out why, I followed the Railscasts Simple Search Form to implement it and it hasn't been a problem in local at all. For some reason my search form is not working c