vue.config.js[publicPath],Webpack[publicPath],process.env[BASE_URL],vue.router[base],uni-app[manifest.json][h5.router.base]

vue.js - What for is base parameter in router in vue/cli? - Stack Overflow

https://cli.vuejs.org/zh/guide/html-and-static-assets.html#html

vue.config.js - uni-app官网 (dcloud.io)