Site title is not appearing

Hello, I have a perth theme on my However, the site title is not appearing at all, but I have written it in customizing options as well as in the settings part.
Perth is just using a title of my latest post as a site title. How to change this? website: katarinakovcin


As default, Perth theme are using both the current post title of the post/page you are visiting and the site title.

I just checking your site And I think its working well.