报错信息:Please commit your changes or stash them before you switch branches.
解决方法:找到flutter 安装目录运行:git reset --hard origin/beta
flutter web 运行
flutter channel beta
flutter upgrade
flutter config --enable-web
解决方法:找到flutter 安装目录运行:git reset --hard origin/beta
flutter channel beta
flutter upgrade
flutter config --enable-web