Merge pull request #238 from shuanzi/data2_xiquan

Data2_xiquan->wangfeng
tmp
Merge branch 'data2' of ssh://github.com/IbpTeam/demo-rio into data2
improve api update item
Merge pull request #239 from huyuanzhe/data2

data2#153_yuanzhe->wangfeng
Merge branch 'data2' of ssh://github.com/IbpTeam/demo-rio into data2
merge#239
Merge branch 'data2' of ssh://github.com/IbpTeam/demo-rio into data2_xiquan
add getCategory
Merge pull request #240 from v11985/data2

Data2 ->xiquan
merge#240
Merge branch 'data2' of ssh://github.com/IbpTeam/demo-rio into data2_xiquan
修复部分writeFile EXIST问题。