fix: several ApiExport actions cannot export method docs

[tangcent]

fix #1200

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.462%. Comparing base (8dd1a25) to head (914a575).
Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##              master     #1201   +/-   ##
===========================================
  Coverage     57.462%   57.462%           
  Complexity      2413      2413           
===========================================
  Files            259       259           
  Lines          14674     14674           
  Branches        3305      3305           
===========================================
  Hits            8432      8432           
  Misses          4622      4622           
  Partials        1620      1620           

Flag	Coverage Δ
unittests	57.462% <ø> (ø)

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