vue3+vant 报异常unknown: Identifier 'bem' has already been declared.

[vite:legacy-post-process] unknown: Identifier 'bem' has already been declared. (28:19)

解决：在项目的 package.json 文件里将roolup的版本改成4.48.0 "overrides": { "rollup": "4.48.0" },