最近研究flutter web，下载了官方项目，遇到了两个bug
Because gallery depends on flutter_localizations from sdk which depends on intl 0.18.0, intl 0.18.0 is required. So, because gallery depends on intl ^0.17.0, version solving failed.
解决方法：
pubspec.yaml文件 修改 intl版本 ^0.17.0 -> ^0.18.0
'AssetManifest' is imported from both 'package:flutter/src/services/asset_manifest.dart' and 'package:google_fonts/src/asset_manifest.dart'. import 'asset_manifest.dart';
解决办法：
pubspec.yaml 修改 google_fonts版本 ^3.0.1 -> ^4.0.1
以上，项目就能运行起来了
