emulator: ERROR: Missing system image: D:\adt-bundle-windows-x86_64-20140702\sdk\platforms;D:\adt-bundle-windows-x86_64-20140702\sdk\platform-tools;D:\adt-bundle-windows-x86_64-20140702\sdk\tools/system-images\android-20\android-wear\armeabi-v7a/system.img 有没有人知道这个错怎么解决
