fix(user): improve common article extract

[mydearxym]

No description provided.

[codecov]

Codecov Report

Merging #375 (7975611) into dev (205f66d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #375   +/-   ##
=======================================
  Coverage   88.20%   88.20%           
=======================================
  Files          96       96           
  Lines        1204     1204           
=======================================
  Hits         1062     1062           
  Misses        142      142           

Impacted Files	Coverage Δ
lib/groupher_server_web/schema/cms/cms_types.ex	0.00% <ø> (ø)
lib/helper/orm.ex	97.29% <ø> (ø)

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