解决方法
是：
The Mobile Ads SDK for iOS utilizes Apple’s advertising identifier (IDFA). The SDK uses IDFA under the guidelines laid out in the iOS developer program license agreement. You must ensure you are in compliance with the iOS developer program license agreement policies governing the use of this identifier.
以下是Google声明中的链接：https://developers.google.com/admob/ios/download?hl=de
