升级到iOS10.2后,真机调试时Xcode运行程序到真机报错,提示Could not find developer disk image,Xcode Device栏处的真机右侧显示“(unavailable)” 把10.2 (14C89) 2.zip解压后拷贝到Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport