fix: throw error when router duplicate

[czy88840616]

增加一个重复路由报错。

[gitpod-io]

[codecov-commenter]

Codecov Report

Merging #1023 (f438b26) into 2.x (5735ccc) will increase coverage by 0.01%.
The diff coverage is 93.75%.

@@            Coverage Diff             @@
##              2.x    #1023      +/-   ##
==========================================
+ Coverage   85.97%   85.99%   +0.01%     
==========================================
  Files         213      213              
  Lines        8245     8256      +11     
  Branches     1613     1618       +5     
==========================================
+ Hits         7089     7100      +11     
  Misses       1107     1107              
  Partials       49       49              

Impacted Files	Coverage Δ
packages/core/src/util/webRouterCollector.ts	94.30% <93.75%> (+0.42%)	⬆️

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[Dreamer-Paul]

鄙人今天就遇到了重复的问题，请问怎么检查具体是哪个文件影响导致的重复？目录结构内确实存在同名但位置不同的文件

api
- admin
-- acgm
--- add.ts
- acgm.ts

会是这个原因引起的么，这个不应该算是路由重复吧，开发环境下一切正常

POST /api/admin/acgm/add
GET /api/acgm

试了下改 admin/acgm 的路由名称重新部署无效，发现是项目迭代原因所致，/api/acgm 曾经是个目录，但后期变回了文件，旧的文件不会随着部署自动清理，删除掉 dist 重新生成就可以了