Merge pull request #519 from forumbyr/master

fix bug: support search pattern start with *
modify response code error
Merge pull request #520 from yqz1016/dev

modify response code error
Merge pull request #521 from forumbyr/master

move network range sql to IpUtil; search dao refactor.
check queryParam is null
Merge pull request #522 from yqz1016/new

check queryParam is null
Merge pull request #31 from cnnic/dev

merge from cnnic