随机图api接口整合

https://www.loliapi.com/acg/

http://api.btstu.cn/sjbz/?lx=dongman

https://www.dmoe.cc/random.php

https://api.paugram.com/wallpaper/ 

https://api.yimian.xyz/img

https://img.paulzzh.com/touhou/random

https://api.likepoems.com/img/pixiv/

https://api.likepoems.com/img/bing/

https://api.btstu.cn/sjbz/api.php