fix extends bug

[kurten]

• 修复自定义装饰器继承覆盖问题

[codecov-commenter]

Codecov Report

Merging #43 into master will decrease coverage by 0.06%. The diff coverage is 95.00%.

@@            Coverage Diff             @@
##           master      #43      +/-   ##
==========================================
- Coverage   90.77%   90.71%   -0.07%     
==========================================
  Files          34       34              
  Lines        1290     1303      +13     
  Branches       60       62       +2     
==========================================
+ Hits         1171     1182      +11     
- Misses        109      111       +2     
  Partials       10       10              

Impacted Files	Coverage Δ
src/base/decoratorManager.ts	94.73% <95.00%> (-1.38%)	:arrow_down:
src/index.ts	100.00% <0.00%> (ø)
src/utils/errorFactory.ts	88.88% <0.00%> (+1.38%)	:arrow_up:

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