flutter - 预期的“字体”是地图列表

Question

我下载了一种字体并将其放在资产中。

发布规范.yaml

fonts:
    - family: Noor Regular
      fonts:
        - asset:assets/fonts/noorehuda-Regular.ttf

错误：

Error detected in pubspec.yaml:
Expected "fonts" to be a list of maps.