Merge pull request #81 from forumbyr/master

fix bug
Merge pull request #1 from cnnic/dev

Dev add 5 30
add NS for Domain
modify testNameserver
Merge pull request #82 from wade1012/dev

Merge pull request #1 from cnnic/dev
Merge pull request #2 from cnnic/dev

Merge pull request #82 from wade1012/dev
Merge pull request #83 from wade1012/dev

Merge pull request #2 from cnnic/dev
Merge pull request #3 from cnnic/dev

Merge pull request #83 from wade1012/dev
Merge pull request #84 from forumbyr/master

authorization:dao/service.
Merge pull request #4 from cnnic/dev

Dev
fix null pointer bug
Merge remote-tracking branch 'remoteGit/dev' into dev
Merge pull request #85 from wade1012/dev

add NS for DOMAIN
Merge pull request #3 from cnnic/dev

Dev