chore: fix safari language check

[paranoidjk]

sad story..
safari navigator.language === 'zh-cn'

First of all, thanks for your contribution! :-)

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[mention-bot]

@paranoidjk, thanks for your PR! By analyzing the history of the files in this pull request, we identified @benjycui, @afc163 and @ddcat1115 to be potential reviewers.

[codecov]

Codecov Report

Merging #5245 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5245   +/-   ##
=======================================
  Coverage   82.81%   82.81%           
=======================================
  Files         161      161           
  Lines        1641     1641           
  Branches      559      559           
=======================================
  Hits         1359     1359           
  Misses        282      282

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