Merge pull request #231 from forumbyr/master

fix bug: max concurrent count problem.
fix secureDNS == secureDns
Merge pull request #232 from wade1012/dev

fix secureDNS == secureDns
fix errorMessageBug
Merge pull request #233 from wade1012/dev

fix errorMessageBug
modify log conf:add time.
Merge remote-tracking branch 'cnnic/dev'