https://stackoverflow.com/questions/70812697/a-firebase-app-named-default-already-exists
原因是没有在Flutter中初始化Firebase时，没有给每个App单独命名，导致手机中已使用[Default]命名的其他实例
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
需要在initializeApp方法中增加一个name参数，用作区分开
- quot Firebase DEFAULT already existsquot firebase default already already remote origin exists already方法exists linux 端口already exist quot different already address profile default quot falling quot config git default quot网关never-default gateway default-scheduler quot volumebinding condition setup quot default script