Cyrillic characters do not work

After updating to version 1.0.0, cyrillic characters stopped reading. I enter the domain name, and the plugin changes it.

That is how it should be: https://prntscr.com/p4cmxr
The result is:https://prntscr.com/p4cnqm

Before the update, everything worked. Look at old products at опт-орг.рф

The page I need help with: [log in to see the link]