阿里天池大数据：https://tianchi.aliyun.com/
数据集里有很多数据：https://tianchi.aliyun.com/datalab/index.htm?spm=5176.100066.0.0.3f6e7d83ZSWTZq
开始点了下载不了，原来要注册之后才能下载sample数据。
http://www.baiduyunpan.com/search/%E6%95%B0%E6%8D%AE%E5%BA%93%20%E4%B8%87%E6%9D%A1-0-%E5%85%A8%E9%83%A8-11.html
http://www.baiduyunpan.com/search/92game-0-%E5%85%A8%E9%83%A8-0.html
http://www.baiduyunpan.com/search/dedecms%20%E6%95%B4%E7%AB%99-0-%E5%85%A8%E9%83%A8-23.html