在vue项目中引入饿了么elementUI组件的步骤之中，出现以下的错误：
D:\my-project-first>npm i element-ui -S Unhandled rejection RangeError: Maximum call stack size exceededill install loadIdealTree at RegExp.test (<anonymous>) at D:\node_modules\npm\node_modules\aproba\index.js:38:16 at Array.forEach (<anonymous>) at module.exports (D:\node_modules\npm\node_modules\aproba\index.js:33:11) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:37:3) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) at flatNameFromTree (D:\node_modules\npm\lib\install\flatten-tree.js:39:14) npm ERR! cb() never called! npm ERR! This is an error with npm itself. Please report this error at: npm ERR! <https://github.com/npm/npm/issues> npm ERR! A complete log of this run can be found in: npm ERR! C:\Program Files\nodejs\node_cache\_logs\2018-08-28T07_04_04_977Z-debug.log D:\my-project-first>
解决办法：
尝试 删除项目中的 package-lock.json 文件 和 node_modules 文件夹，然后再尝试 npm install.
