我正在研究MERN Web应用程序并尝试使用npm run dev运行客户端和服务器，但是收到此错误 . 执行命令时出错：npm run clientError：在onErrorNT上的Process.ChildProcess._handle.onexit（internal / child_process.js：190：19）的_errnoException（util.js：1022：11）处生成cmd.exe ENOENT（内部/ child_process.js：372：16）在.combinedTickCallback（internal / process / next_tick.js：138：11）的process._tickCallback（internal / process / next_tick.js：180：9）at Function.Module.runMain（module.js） ：695：11）启动时（bootstrap_node.js：188：16）bootstrap_node.js：609：3执行命令时出错：npm run clientError：spawn cmd.exe ENOENT
//package.json in server
{
"name": "mern-list",
"version": "1.0.0",
"description": "",
"main": "server.js",
"scripts": {
"client-install": "npm install --prefix client",
"start": "node server.js",
"server": "nodemon server.js",
"client": "npm start --prefix client",
"dev": "concurrently \"npm run server\" \"npm run client\""
},
"author": "",
"license": "ISC",
"dependencies": {
"body-parser": "^1.18.3",
"concurrently": "^3.6.0",
"express": "^4.16.3",
"mongoose": "^5.2.0"
},
"devDependencies": {
"nodemon": "^1.17.5"
}
}
package.json in client
{
"name": "client",
"version": "0.1.0",
"private": true,
"dependencies": {
"react": "^16.4.1",
"react-dom": "^16.4.1",
"react-scripts": "1.1.4"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test --env=jsdom",
"eject": "react-scripts eject"
},
"proxy": "http://localhost:5000"
}