Revert "Readme for github test"

This reverts commit a451b76e7dc1d65ee6b7b409cbab4bcde7474ac8.
Revert "Revert "Readme for github test""

This reverts commit ea396bd0f1ec3316637ab693dc081be82982251d.
Merge branch 'master' of https://github.com/yangqiao/hellogithub