Even if 2 page is clicked on the blog list page, the page does not changepages

Hi

I need your support

Even if you click the link of the next page on the blog list page, only the same page is displayed
Could you tell me how to respond?

↓
http://www.sugahara-hospital.com/てとてのダイアリ/

http://www.sugahara-hospital.com/てとてのダイアリ/page/2/
http://www.sugahara-hospital.com/てとてのダイアリ/page/3/
http://www.sugahara-hospital.com/てとてのダイアリ/page/4/
http://www.sugahara-hospital.com/てとてのダイアリ/page/4/

Thank you.