Fix bug : Crash when there are little data
Merge branch 'Data' of ssh://github.com/IbpTeam/demo-rio into data#40_wangfeng
Merge pull request #110 from v11985/data#40_wangfeng

Data#40 wangfeng -> yuanzhe
Data#40_yuanzhe:fix unique id bug
Merge pull request #111 from huyuanzhe/Data#40_yuanzhe

Data#40_yuanzhe->wangfeng
OK
fic
Merge branch 'Data#40_xiquan' of github.com:shuanzi/demo-rio into Data#40_xiquan
Data#40_xiquan:merge #111
Data#40_xiquan:fix