我正在使用react-router-dom和create-react-app。
运行脚本yarn start，它以http://localhost:3000/(myprojectname)，而不是开头http://localhost:3000/
当使用react-router-dom进行路由时，我必须myprojectname从url中删除，然后添加页面路由。
项目的初始设置好像有问题，
我该如何开始http://localhost:3000/？
添加package.json、路由器代码。
包.json：
{
"name": "cau-burger-online-order-system",
"version": "0.1.0",
"private": true,
"dependencies": {
"@testing-library/jest-dom": "^5.11.4",
"@testing-library/react": "^11.1.0",
"@testing-library/user-event": "^12.1.10",
"@types/jest": "^26.0.15",
"@types/node": "^12.0.0",
"@types/react": "^17.0.0",
"@types/react-dom": "^17.0.0",
"@types/react-router-dom": "^5.3.2",
"@types/styled-components": "^5.1.16",
"axios": "^0.24.0",
"bootstrap": "^5.1.3",
"brace-expansion": "^2.0.1",
"gh-pages": "^3.2.3",
"prettier": "^2.5.1",
"react": "^17.0.2",
"react-dom": "^17.0.2",
"react-router-dom": "5.3.0",
"react-scripts": "4.0.3",
"styled-components": "^5.3.3",
"typescript": "^4.1.2",
"web-vitals": "^1.0.1"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": …