fix: postcss plugin resolve

[wjq990112]

fix postcss plugin resolve

[codecov-commenter]

Codecov Report

Merging #4967 (f9b8d9d) into release-next (a013829) will not change coverage.
The diff coverage is n/a.

@@              Coverage Diff               @@
##           release-next    #4967    +/-   ##
==============================================
  Coverage         25.38%   25.38%            
==============================================
  Files               192      192            
  Lines              4822     4822            
  Branches           1101     1148    +47     
==============================================
  Hits               1224     1224            
+ Misses             3542     3323   -219     
- Partials             56      275   +219     

Impacted Files	Coverage Δ
packages/plugin-mpa/src/index.ts	83.87% <0.00%> (ø)
packages/plugin-pwa/src/index.ts	0.00% <0.00%> (ø)
packages/swc-loader/src/index.ts	0.00% <0.00%> (ø)
packages/create-ice/src/create.ts	0.00% <0.00%> (ø)
packages/icejs/src/require-hook.ts	0.00% <0.00%> (ø)
packages/plugin-store/src/index.ts	82.08% <0.00%> (ø)
packages/plugin-theme/src/index.ts	0.00% <0.00%> (ø)
packages/vite-service/src/start.ts	0.00% <0.00%> (ø)
packages/plugin-pwa/src/register.ts	0.00% <0.00%> (ø)
packages/plugin-router/src/index.ts	85.45% <0.00%> (ø)
... and 58 more