使用＆＃34; ng new＆＃34;时出错（角度cli）

Question

我使用mac，安装了角度cli（卸载，清理缓存，安装-g）后我在所有ng函数上收到此错误， 请帮助，尝试google它但无法找到解决方案。

sudo ng --version / ng new PROG

  return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);
                     ^

TypeError: path must be a string
    at TypeError (native)
    at Object.fs.openSync (fs.js:549:18)
    at Object.fs.readFileSync (fs.js:397:15)
    at Function.Version.fromProject (/usr/local/lib/node_modules/angular-cli/upgrade/version.js:87:31)
    at Function.Version.isPreWebpack (/usr/local/lib/node_modules/angular-cli/upgrade/version.js:111:31)
    at Function.Version.assertPostWebpackVersion (/usr/local/lib/node_modules/angular-cli/upgrade