![](https://img.haomeiwen.com/i16327130/9fd52faa5ef00880.png)
当前pubspec.yaml
environment:
sdk: ">=2.0.0-dev.68.0 <3.0.0"
修改为:
environment:
sdk: ">=2.1.0 <3.0.0"
然后package get,即可解决
当前pubspec.yaml
environment:
sdk: ">=2.0.0-dev.68.0 <3.0.0"
修改为:
environment:
sdk: ">=2.1.0 <3.0.0"
然后package get,即可解决
本文标题:The class 'Future' was not expor
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