找不到模块'C:\Users\desktop\Documents\GitHub\calculator\src\karma.conf.js'
需要堆栈：
- C:\Users\pranj\Documents\GitHub\calculator\node_modules\karma\lib\config.js
- C:\Users\pranj\Documents\GitHub\calculator\node_modules\karma\lib\server.js
- C:\Users\pranj\Documents\GitHub\calculator\node_modules\karma\lib\index.js
- C:\Users\pranj\Documents\GitHub\calculator\node_modules@angular-devkit\build-angular\src\karma\index.js