I assume OP is Chinese. The localization and app support in Deepin is great for Chinese-made apps (QQ and WeChat for example).

Tried running rpmdb_verify? or rpm -vv --rebuilddb?

You guys have 128gb? I have 64 on mine lol

I don't know about the web player but on the mobile app you press the same three dots and select "Don't play this".

No, you can do it under artist profile

You absolutely can block artists

Urban Terror is still very active!