Podfile

platform :ios,'8.0'
inhibit_all_warnings!
target 'Douyin' do
    pod 'Alamofire'
    pod 'HandyJSON'
    pod 'SnapKit'
    pod 'Starscream'
    pod 'libwebp'
end

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