Error: No pubspec.yaml file found. 缺少配置文件

[ChinaArJun]

mac:react-native-lagou-master pro$ flutter run
Error: No pubspec.yaml file found.
This command should be run from the root of your Flutter project.
Do not run this command from the root of your git clone of Flutter.

[GrowUpTang]

那要怎么处理 ，而且我命令和 项目是在同一文件夹，flutter build apk 时报错