使用Hbuilder创建的element-starter运行出错

使用npm run dev运行项目出错
项目模板未进行任何修改
终端提示：

> element-starter@ dev /Users/buduan/Documents/HBuilderProjects/ele  
> webpack-dev-server --inline --hot --env.dev  

internal/modules/cjs/loader.js:883  
  throw err;  
  ^  

Error: Cannot find module '../lib/polyfills'  
Require stack:  
- /Users/buduan/Documents/HBuilderProjects/ele/node_modules/.bin/webpack-dev-server  
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)  
    at Function.Module._load (internal/modules/cjs/loader.js:725:27)  
    at Module.require (internal/modules/cjs/loader.js:952:19)  
    at require (internal/modules/cjs/helpers.js:88:18)  
    at Object.<anonymous> (/Users/buduan/Documents/HBuilderProjects/ele/node_modules/.bin/webpack-dev-server:6:1)  
    at Module._compile (internal/modules/cjs/loader.js:1063:30)  
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)  
    at Module.load (internal/modules/cjs/loader.js:928:32)  
    at Function.Module._load (internal/modules/cjs/loader.js:769:14)  
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12) {  
  code: 'MODULE_NOT_FOUND',  
  requireStack: [  
    '/Users/buduan/Documents/HBuilderProjects/ele/node_modules/.bin/webpack-dev-server'  
  ]  
}  
npm ERR! code ELIFECYCLE  
npm ERR! errno 1  
npm ERR! element-starter@ dev: `webpack-dev-server --inline --hot --env.dev`  
npm ERR! Exit status 1  
npm ERR!   
npm ERR! Failed at the element-starter@ dev script.  
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.  

npm ERR! A complete log of this run can be found in:  
npm ERR!     /Users/buduan/.npm/_logs/2020-10-16T15_34_39_536Z-debug.log

本人环境：
Mac OS Big Sur
NPM 6.14.8
Node 14.14.0