use uri to find item
merge from wangyu
Merge branch 'Data' of ssh://github.com/IbpTeam/demo-rio into Data#40_yuanzhe
Data#40_yuanzhe:change update recent time api
Data#40_yuanzhe:base on uri,modify delete item api
Merge pull request #152 from huyuanzhe/Data#40_yuanzhe

Data#40 yuanzhe -> wangfeng