下载React的项目运行时出现这些错误，请问要如何解决？

Question

Html Webpack Plugin:

Error: Child compilation failed:
Module build failed (from ./node_modules/react-scripts/node_modules/babel-loader/lib/index.js):
Error: [BABEL] F:TestReact项目admin-client_finalnode_moduleswebpackbuildinglobal.js: Cannot find module './uti l/missing-plugin-helper' (While processing: "F:\Test\React项目\admin-client_final\node_modules\babel-preset-reac t-app\dependencies.js")

• loader.js:636 Function.Module._resolveFilename
  internal/modules/cjs/loader.js:636:15
• loader.js:562 Function.Module._load
  internal/modules/cjs/loader.js:562:25
• loader.js:692 Module.require
  internal/modules/cjs/loader.js:692:17
• helpers.js:25 require
  internal/modules/cjs/helpers.js:25:18
• normalize-file.js:80 Object.
  [admin-client_final]/[babel-preset-react-app]/[preset-env]/[plugin-proposal-object-rest-spread]/[@babel]/core/lib /transformation/normalize-file.js:80:51
• loader.js:778 Module._compile
  internal/modules/cjs/loader.js:778:30
• loader.js:789 Object.Module._extensions..js
  internal/modules/cjs/loader.js:789:10
• loader.js:653 Module.load
  internal/modules/cjs/loader.js:653:32

Answer 1

Cannot find module './uti l/missing-plugin-helper'
uti l多了一个空格

Answer 2

这个是尚硅谷的react实战项目谷粒后台
执行命令 yarn install
成功后执行命名 yarn start