taro2.x时候把小程序转成Taro，然后现在想要转taro3，没有成功，Cannot set property 'filename' of undefined
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Taro CLI 3.0.7 environment info:
System:
OS: macOS 10.15.6
Shell: 5.7.1 - /bin/zsh
Binaries:
Node: 13.12.0 - /usr/local/bin/node
Yarn: 1.22.4 - /usr/local/bin/yarn
npm: 6.14.4 - /usr/local/bin/npm
npmPackages:
@tarojs/components: ^2.2.6 => 2.2.13
@tarojs/mini-runner: ^2.2.6 => 2.2.13
@tarojs/react: ^3.0.7 => 3.0.7
@tarojs/router: 2.2.6 => 2.2.6
@tarojs/runtime: ^3.0.7 => 3.0.7
@tarojs/taro: ^2.2.6 => 2.2.13
@tarojs/taro-h5: 2.2.6 => 2.2.6
@tarojs/webpack-runner: 2.2.6 => 2.2.6
@tarojs/with-weapp: ^2.2.6 => 2.2.13
eslint-config-taro: 2.2.6 => 2.2.6
eslint-plugin-taro: 2.2.6 => 2.2.6
nerv-devtools: ^1.5.5 => 1.5.7
nervjs: ^1.5.5 => 1.5.7
react: ^16.13.1 => 16.13.1我转完后提示没有app.config.js,我直接创建了这个文件，但是感觉配置还是从app.js拿的，迷茫
难道taro转成的项目的框架是nervjs？？
还是说所有page都要手动加*.config.js??
imports是原小程序template转成的component，是要做什么特殊处理吗？
具体报错如上