解决Xcode在ipad/iphone9.2系统真机测试时出现could not find developer disk image问题,只要拷贝这个文件(链接: http://pan.baidu.com/s/1eRsW3vW 密码: 27s7)到/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport