fix: modified configuration load logic

[kurten]

• 修改逻辑

[codecov-io]

Codecov Report

Merging #415 into 2.x will increase coverage by 0.04%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##              2.x     #415      +/-   ##
==========================================
+ Coverage   89.98%   90.03%   +0.04%     
==========================================
  Files          79       79              
  Lines        2187     2187              
  Branches      128      128              
==========================================
+ Hits         1968     1969       +1     
  Misses        198      198              
+ Partials       21       20       -1

Impacted Files	Coverage Δ
packages/midway-core/src/context/configuration.ts	92.95% <100%> (+1.4%)	⬆️

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