修复web同构px转rem失效

[WangJM001]

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[codecov]

Codecov Report

Merging #924 into master will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master     #924   +/-   ##
=======================================
  Coverage   95.56%   95.56%           
=======================================
  Files         328      328           
  Lines        3473     3473           
  Branches      501      501           
=======================================
  Hits         3319     3319           
  Misses        154      154           

Impacted Files	Coverage Δ
packages/remax-cli/src/build/webpack/config.web.ts	96.07% <0.00%> (ø)

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