[Docs] Fix fcos meta

[sunjiahao1999]

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Motivation

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Modification

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BC-breaking (Optional)

Does the modification introduce changes that break the back-compatibility of the downstream repos?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

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Checklist

1. Pre-commit or other linting tools are used to fix the potential lint issues.
2. The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
3. If the modification has potential influence on downstream projects, this PR should be tested with downstream projects.
4. The documentation has been modified accordingly, like docstring or example tutorials.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (737c29f) 46.99% compared to head (3318679) 46.99%.

❗ Current head 3318679 differs from pull request most recent head 6ea6439. Consider uploading reports for the commit 6ea6439 to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##           dev-1.x    #2536   +/-   ##
========================================
  Coverage    46.99%   46.99%           
========================================
  Files          276      276           
  Lines        23144    23144           
  Branches      3611     3611           
========================================
  Hits         10877    10877           
  Misses       11579    11579           
  Partials       688      688           

Flag	Coverage Δ
unittests	46.99% <ø> (ø)

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