Merge pull request #51 from v11985/data#40_wangfeng

Add nodegit module->yuanzhe
Data#40_yuanzhe:test internet discovery
Merge pull request #52 from huyuanzhe/Data#40_yuanzhe

Data#40_yuanzhe->wangfeng
OK
Data#40_yuanzhe:message transfer
Merge pull request #53 from huyuanzhe/Data#40_yuanzhe

Data#40_yuanzhe->wangfeng
OK
Fix some bugs