2024-07-13flutter pub get 的时候:A dependency specification must be a string or a mapping.想在pubspec.yaml文件中添加字体:报错了fonts:-family:MiaoZifonts:-asset:assets/fonts/MiaoZi-YunYingTi-2.ttfweight:500看了这篇文章解决了我原来是加在dependencies:flutter:sdk:flutter#新添加的依赖fonts: