https://www.right.com.cn/forum/thread-162160-1-1.html
http://downloads.openwrt.org/barrier_breaker/14.07/malta/le/
https://oldwiki.archive.openwrt.org/doc/howto/qemu
openwer in qemu
原文：https://www.cnblogs.com/sinferwu/p/12806031.html
