Merge pull request #188 from v11985/data2_wangfeng

Finish add/rm data for VC ->yuanzhe
improve start.js
merge 94cb from v11985
Merge pull request #190 from huyuanzhe/data2

data2#153_yuanzhe->wangfeng
Merge pull request #191 from v11985/data2_wangfeng

Finish change data VC ->yuanzhe
clean no use code