去警告warning: The iOS deployment t

在podFile中最下方添加以下代码，重新执行pod install即可

post_install do |installer|
    installer.pods_project.targets.each do |target|
        target.build_configurations.each do |config|
            config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '8.0'
        end
    end
end