ios 真机调试问题

由于手机升级了,xcode不支持高版本的ios

解决方案：下载最新的xcode，将/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport下的新的sdk拷贝到旧的xcode下

将/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/SDKSettings.plist拷贝到旧的xcode下