serve -s build 오류가 납니다.ㅠㅠㅠ

File sizes after gzip: 56.23 kB build\static\js\main.c2dd5a76.js 1.22 kB build\static\css\main.9a059f26.css The project was built assuming it is hosted at /. You can control this with the homepage field in your package.json. The build folder is ready to be deployed. You may serve it with a static server: serve -s build Find out more about deployment here: https://cra.link/deployment C:\Users\min seo hyun\Desktop\emotion-diary>npm install -g serve changed 89 packages in 5s 24 packages are looking for funding run npm fund for details C:\Users\min seo hyun\Desktop\emotion-diary>serve -s build 'serve'은(는) 내부 또는 외부 명령, File sizes after gzip:

  56.23 kB  build\static\js\main.c2dd5a76.js
  1.22 kB   build\static\css\main.9a059f26.css

The project was built assuming it is hosted at /.
You can control this with the homepage field in your package.json.

The build folder is ready to be deployed.
You may serve it with a static server:

  serve -s build

Find out more about deployment here:

  https://cra.link/deployment


C:\Users\min seo hyun\Desktop\emotion-diary>npm install -g serve

changed 89 packages in 5s

24 packages are looking for funding
  run `npm fund` for details

C:\Users\min seo hyun\Desktop\emotion-diary>serve -s build
'serve'은(는) 내부 또는 외부 명령, 실행할 수 있는 프로그램, 또는
배치 파일이 아닙니다.실행할 수 있는 프로그램, 또는 배치 파일이 아닙니다.

cmd창에서 빌드 파일 생성하고 serve도install 하였습니다.

그 다음 과정인 serve -s builde진행하는 과정에서 위와같은 오류가 나오는데 왜 그런지 도와주세요ㅠㅠㅠ