Greasy Fork is available in English.
自动选择您偏好的视频画质，并在可用时启用 Premium 播放。 (支持 YouTube 桌面版、音乐和移动端)
Can you tell me what version is currently installed and what userscript extension you use?
You can try again now in version 1.9.3 and let me know if it fixes the issue.
Version 1.9.3 works great (Tampermonkey, developer mode enabled). Thank you for your script.
After v1.8.2 not displayed in player settings. Chrome, Windows 10.