修改第三方源
yarn config get registry
yarn config set registry 'https://registry.npm.taobao.org'
npm config get registry
npm config set registry 'https://registry.npm.taobao.org'

cat package.json 
{
  "name": "MyCoolIDE",
  "scripts": {
    "prepare": "yarn run clean && yarn build && yarn run download:plugins",
    "clean": "theia clean",
    "build": "theia build --mode development",
    "start": "theia start --plugins=local-dir:plugins",
    "download:plugins": "theia download:plugins"
  },
  "theiaPluginsDir": "plugins",
  "theiaPlugins": {
    "vscode-builtin-css": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/css-1.39.1-prel.vsix",
    "vscode-builtin-html": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/html-1.39.1-prel.vsix",
    "vscode-builtin-javascript": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/javascript-1.39.1-prel.vsix",
    "vscode-builtin-json": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/json-1.39.1-prel.vsix",
    "vscode-builtin-markdown": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/markdown-1.39.1-prel.vsix",
    "vscode-builtin-python": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/python-1.39.1-prel.vsix",
    "vscode-builtin-php": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/php-1.39.1-prel.vsix",
    "vscode-builtin-rust":  "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/rust-1.39.1-prel.vsix", 
    "vscode-builtin-ruby": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/ruby-1.39.1-prel.vsix",
    "vscode-builtin-git": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/git-1.39.1-prel.vsix",
    "vscode-builtin-git-ui": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/git-ui-1.39.1-prel.vsix",
    "vscode-builtin-go": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/go-1.39.1-prel.vsix",
    "vscode-builtin-java": "https://github.com/theia-ide/vscode-builtin-extensions/releases/download/v1.39.1-prel/java-1.39.1-prel.vsix" 
  },
  "dependencies": {
    "@theia/callhierarchy": "next",
    "@theia/file-search": "next",
    "@theia/git": "next",
    "@theia/markers": "next",
    "@theia/messages": "next",
    "@theia/mini-browser": "next",
    "@theia/navigator": "next",
    "@theia/outline-view": "next",
    "@theia/plugin-ext-vscode": "next",
    "@theia/preferences": "next",
    "@theia/preview": "next",
    "@theia/search-in-workspace": "next",
    "@theia/terminal": "next"
  },
  "devDependencies": {
    "@theia/cli": "next"
  }
}

进入目录 ,运行yarn进行安装
yarn start   #运行
yarn theia start --plugins=local-dir:plugins --hostname 0.0.0.0  #绑定IP

然后可以使用浏览器访问了
01-25 04:53