040000 tree 6e8a9ddb3b0022bc997940418cddb2ec75acf30c	classification
040000 tree 36acb42f1d194dfaf9fad6688aeacc871ffb4637	hot-resource
040000 tree babc5aca1bfd08a41b07ebfad99cd575a00cc174	recommend
040000 tree 1aaa2efcbf9cf10bd3ff2d214a7dd2d883020b74	resource-detail