[mewatch/toggle] if the url contain chinese character it won't work...

[demonluo]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2020.12.22
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

regular url like this does work porperly:
https://www.mewatch.sg/watch/Little-Red-Dot-Detectives-S2-E4-179279

but if the url contain chinese character like this it won't work:
this one copy from address bar
https://www.mewatch.sg/watch/Little-Red-Dot-Detectives-S2-搜密。打卡。小红点-S2-E1-176232
this one copy from link
https://www.mewatch.sg/watch/Little-Red-Dot-Detectives-S2-%E6%90%9C%E5%AF%86%E3%80%82%E6%89%93%E5%8D%A1%E3%80%82%E5%B0%8F%E7%BA%A2%E7%82%B9-S2-E1-176232

a temporary fix is to remove the chinese character in the url like this & then it should work properly:
https://www.mewatch.sg/watch/Little-Red-Dot-Detectives-S2--S2-E1-176232

but surely hope to see a permanent fix...

note: for those wondering where i got this rare chinese character links, it's ep1, 2, 3, 8 from here https://www.mewatch.sg/season/Little-Red-Dot-Detectives-S2-搜密。打卡。小红点-S2-176230