angular - AspnetCore SpaServices 错误，因为当我键入 dotnet run 它总是给我这个错误

Question

我已经安装了 AspNetCore SDK 和 nodejs npm 但是有一个错误我想回答它

 npm ERR! code ELIFECYCLE

npmfail: Microsoft.AspNetCore.SpaServices[0]
  npm ERR! errno 1

fail: Microsoft.AspNetCore.SpaServices[0]
  npm ERR! Vega@0.0.0 start: `ng serve "--port" "53901"`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the Vega@0.0.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional 
logging output above.


 npmfail: Microsoft.AspNetCore.SpaServices[0]
  npm ERR! A complete log of this run can be found in: