您想在Podfile中添加如下类似的代码 pod 'AXNavigationBackItemInjection', '~> 0.0'

target 'MyApp' do
  pod 'AXNavigationBackItemInjection', '~> 0.0'
end

然后在终端内部或从CocoaPods.app中运行pod install

或者为了测试运行，运行以下命令

pod try AXNavigationBackItemInjection