readme: remove cn

[fengzeroz]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 22.17%. Comparing base (2ca52ae) to head (05b6d6b).
⚠️ Report is 5 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (2ca52ae) and HEAD (05b6d6b). Click for more details.

HEAD has 5 uploads less than BASE

Flag	BASE (2ca52ae)	HEAD (05b6d6b)
	6	1

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2644       +/-   ##
===========================================
- Coverage   64.87%   22.17%   -42.71%     
===========================================
  Files         125       70       -55     
  Lines       29566    13190    -16376     
===========================================
- Hits        19182     2925    -16257     
+ Misses      10384    10265      -119     

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