[vite] Internal server error: Failed to parse source for import analysis because the content contai

报错：

[vite] Internal server error: Failed to parse source for import analysis because the content contains invalid JS syntax. Install @vitejs/plugin-vue to handle .vue files.

安装@vitejs/plugin-vue

cnpm install @vitejs/plugin-vue --save

安装完后记得重新cnpm install

再npm run dev