I have use plugin Really simple SSL to enable my site to https. Everything is ok but when wordpress update my site automatically to 4.8.4. Only my homepage do not work for https otherwise another pages are ok. You can see some example in this image:
Another page: https://winecellar.vn/ruou-cao-cap/ruou-chi-le
Wordpress version: 4.8.4
Thank you in advance
Your home is working on SSL but some elements might not be loaded from
http like third party images or scripts. Look in source of your home site generated by browser and search for
http: phrase to find which elements you should fix.