我已经有 4 个版本的 angular 项目。在安装新项目时，不幸的是我安装了 6 个版本的 angular cli。在以 4 版本运行的旧项目中运行 ng serve 命令时，这会向我抛出错误“您的全局 Angular CLI 版本大于您的本地版本”。我再次尝试更新我的 anglar 本地版本。但是现在我收到一个错误此版本的 CLI 仅与 Angular 5.0.0 或更高版本兼容。我的 package.json 如下：
{
"name": "authority-client",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e"
},
"private": true,
"dependencies": {
"@angular-devkit/core": "^0.7.2",
"@angular/animations": "^4.2.4",
"@angular/common": "^4.2.4",
"@angular/compiler": "^4.2.4",
"@angular/core": "^4.2.4",
"@angular/forms": "^4.2.4",
"@angular/http": "^4.2.4",
"@angular/platform-browser": "^4.2.4",
"@angular/platform-browser-dynamic": "^4.2.4",
"@angular/router": "^4.2.4",
"@types/file-saver": "^1.3.0",
"angular2-cookie": …