Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-mirrors/homepage/src/commit/191a95c55c6546e69fb0a18350a6fb33276ba3bd/docs/widgets/services/gitlab.md You should set ROOT_URL correctly, otherwise the web may not work correctly.
homepage/docs/widgets/services/gitlab.md

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title description
Gitlab Gitlab Widget Configuration

Learn more about Gitlab.

API requires a personal access token with either read_api or api permission. See the gitlab documentation for details on generating one.

Your Gitlab user ID can be found on your profile page.

Allowed fields: ["events", "issues", "merges", "projects"].

widget:
  type: gitlab
  url: http://gitlab.host.or.ip:port
  key: personal-access-token
  user_id: 123456