vue3环境中使用vue-demi会导致项目编译报错，后来我是在源代码中一把替换 vue-demi 成vue 才运行成功

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resolve 'vue-demi' in '/Users/sunqixiong/project/GitHub/echarts4taro3/examples/demo-vue3/src/pages/ecchart' Parsed request is a module using description file: /Users/sunqixiong/project/GitHub/echarts4taro3/examples/demo-vue3/package.json (relative path: ./src/pages/ecchart) Field 'browser' doesn't contain a valid alias configuration resolve as module

vue3使用vue-demi会导致项目编译报错，后来我是在代码中一把替换 vue-demi 成vue 才运行成功

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resolve 'vue-demi' in '/Users/sunqixiong/project/GitHub/echarts4taro3/examples/demo-vue3/src/pages/ecchart' Parsed request is a module using description file: /Users/sunqixiong/project/GitHub/echarts4taro3/examples/demo-vue3/package.json (relative path: ./src/pages/ecchart) Field 'browser' doesn't contain a valid alias configuration resolve as module

vue3使用vue-demi会导致项目编译报错，后来我是在代码中一把替换 vue-demi 成vue 才运行成功

看上面的报错信息，更像是本地的包管理工具上的问题。可以看一下安装依赖时，是否有报错日志，以及 vue-demi 模块是否安装完整。或者可以换一下包管理工具，比如：yarn 进行安装后， 再看看。