flutter插件遇到的cocoapods无法安装的问题

在创建flutter 插件项目后执行pod install 时报如下 错误

lib/cocoapods-core/source/metadata.rb:15:in `initialize': undefined method `with_indifferent_access' for false:FalseClass

解决如下 :

rm -vrf ~/.cocoapods*
pod install --verbose