Npm Ionic-创建项目时出错（POSTSS？？）

有人可以帮我，我正在尝试使用离子

我跑了

sudo npm install -g @ionic/cli

现在我正在运行这个命令，但我有一个错误

ionic start myApp tabs

npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! Found: postcss@8.2.14
npm ERR! node_modules/postcss
npm ERR!   postcss@"8.2.14" from @angular-devkit/build-angular@0.1102.13
npm ERR!   node_modules/@angular-devkit/build-angular
npm ERR!     dev @angular-devkit/build-angular@"~0.1102.4" from the root project
npm ERR!     peer @angular-devkit/build-angular@"^0.1102.4" from @ionic/angular-toolkit@3.1.1
npm ERR!     node_modules/@ionic/angular-toolkit
npm ERR!       dev @ionic/angular-toolkit@"^3.1.1" from the root project
npm ERR!   peer postcss@"^8.1.0" from autoprefixer@10.2.4
npm ERR!   node_modules/autoprefixer
npm ERR!     autoprefixer@"10.2.4" from @angular-devkit/build-angular@0.1102.13
npm ERR!     node_modules/@angular-devkit/build-angular
npm ERR!       dev @angular-devkit/build-angular@"~0.1102.4" from the root project
npm ERR!       1 more (@ionic/angular-toolkit)
npm ERR!   9 more (css-loader, cssnano, postcss-import, postcss-loader, ...)
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer postcss@"^8.2.15" from cssnano-preset-default@5.1.1
npm ERR! node_modules/cssnano/node_modules/cssnano-preset-default
npm ERR!   cssnano-preset-default@"^5.0.1" from cssnano@5.0.2
npm ERR!   node_modules/cssnano
npm ERR!     cssnano@"5.0.2" from @angular-devkit/build-angular@0.1102.13
npm ERR!     node_modules/@angular-devkit/build-angular
npm ERR!       dev @angular-devkit/build-angular@"~0.1102.4" from the root project
npm ERR!       1 more (@ionic/angular-toolkit)
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR! 
npm ERR! See /home/jonathan/.npm/eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/jonathan/.npm/_logs/2021-05-21T19_38_40_797Z-debug.log
[ERROR] An error occurred while running subprocess npm.
        
        npm i --save -E @capacitor/core@latest exited with exit code 1.
        
        Re-running this command with the --verbose flag may provide more information.

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我被困了几个小时，我不明白发生了什么。你能帮我吗？

我终于找到了解决方案，正在运行

npm install postcss@"^8.2.15"

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这也有助于我使用Angular。