xcode未升级,项目运行报错,下载AppTrackingTransparency.framework,放到指定位置就可以了 真机 /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AppTrackingTransparency.framework•模拟器 /Applications/Xcode.app/Contents/Developer/Platforms/iPhone