Language error when first entering the website

[ThanatosDi]

Describe the Bug

My language header is zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,ja;q=0.6
first entering pangolin, the language is set zh-CN not zh-TW.

Environment

• OS Type & Version: Windows11, Macbook26.5.2
• Pangolin Version: 1.21.0
• Edition (Community or Enterprise): Enterprise
• Gerbil Version: 1.4.3
• Traefik Version: v3.7
• Newt Version: 1.15.0

To Reproduce

accept-language first is zh-TW and use incognito visit pangolin website

Expected Behavior

language is set zh-TW