删掉 ~/Library/Developer/Xcode/iOS DeviceSupport/这个目录下的特定文件夹就行啦。其实是因为 device is busy 生成文件夹过程中拔掉了设备,导致文件生成错误,造成的编译报错 dyld_shared_cache_extract_dylibs~/Library/Developer/Xcode/iOS DeviceSupport/12.1.2 (16C101)