--registry=https://registry.npm.taobao.org
I removed package-lock.json file and node_modules directory and reinstalled npm packages. Then I resolved the issue.
$ rm package-lock.json
$ rm -rf node_modules
$ npm install
$ npm run serve
--registry=https://registry.npm.taobao.org
I removed package-lock.json file and node_modules directory and reinstalled npm packages. Then I resolved the issue.
$ rm package-lock.json
$ rm -rf node_modules
$ npm install
$ npm run serve