040000 tree 2e11682fb34170450d98c03407d15ae4415dd2fb	classification
040000 tree 82476c75c59ce62fa965ad8d4b2ba85179c03564	hot-resource
040000 tree ebfe722a8976a51f8ae12dd5fbeb1470a5a4b423	recommend
040000 tree 2e11682fb34170450d98c03407d15ae4415dd2fb	resource-detail