使用ruby link_to方法无法正确显示Bootstrap导航栏下拉列表

I would like help in correcting a small problem with the appearance of my dropdown menu in my bootstrap navbar. I used the ruby link_to method to create the links for the dropdown menu, which are functioning correctly, except that the drop down element is not appearing in line with the rest of the navbar elements. This is the current code I have for the navbar:I would like help in correcting a small problem