fixed error checking for cluster info
fixed error checking for cluster info

LongTaiJun/DockerUI,leominov/shipyard,chenrui2014/shipyard,daququ/shipyard,bkcsoft/shipyard,eedevops/shipyard,John-Lin/shipyard,beyondblog/shipyard,rchicoli/shipyard,rbramwell/shipyard,swege/shipyard,ehazlett/shipyard,rbramwell/shipyard,zhoffice/shipyard,jsyinwenjun/shipyard,linecheng/shipyard,dockerclubgroup/shipyard,RustJason/shipyard,svdata/shipyard,dockerclubgroup/shipyard,OnePaaS/shipyard,svdata/shipyard,golang-lib/shipyard,svdata/shipyard,John-Lin/shipyard,swege/shipyard,rockzeng/shipyard,wujingke/shipyard,Lev09/shipyard,scapewang/shipyard,Lev09/shipyard,vanloswang/shipyard,linecheng/shipyard,zhiwei55/shipyard,leominov/shipyard,rockzeng/shipyard,leroy-chen/shipyard,swege/shipyard,beyondblog/shipyard,tombee/shipyard,pugna0/shipyard,wujingke/shipyard,OnePaaS/shipyard,scapewang/shipyard,leroy-chen/shipyard,Lev09/shipyard,zhiwei55/shipyard,beyondblog/shipyard,scapewang/shipyard,rbramwell/shipyard,leroy-chen/shipyard,iamjakob/shipyard,Lev09/shipyard,John-Lin/shipyard,rockzeng/shipyard,iamjakob/shipyard,LongTaiJun/DockerUI,tombee/shipyard,Dumbear/shipyard,vanloswang/shipyard,iamjakob/shipyard,eedevops/shipyard,leominov/shipyard,golang-lib/shipyard,vanloswang/shipyard,daququ/shipyard,pugna0/shipyard,Dumbear/shipyard,dockerclubgroup/shipyard,dockerclubgroup/shipyard,vanloswang/shipyard,zhoffice/shipyard,John-Lin/shipyard,leominov/shipyard,pugna0/shipyard,RustJason/shipyard,rchicoli/shipyard,eedevops/shipyard,svdata/shipyard,ehazlett/shipyard,rchicoli/shipyard,RustJason/shipyard,linecheng/shipyard,Dumbear/shipyard,ehazlett/shipyard,Dumbear/shipyard,RustJason/shipyard,zhoffice/shipyard,daququ/shipyard,bkcsoft/shipyard,chenrui2014/shipyard,OnePaaS/shipyard,ehazlett/shipyard,swege/shipyard,golang-lib/shipyard,zhiwei55/shipyard,LongTaiJun/DockerUI,tombee/shipyard,golang-lib/shipyard,rockzeng/shipyard,scapewang/shipyard,bkcsoft/shipyard,wujingke/shipyard,bkcsoft/shipyard,rchicoli/shipyard,eedevops/shipyard,leroy-chen/shipyard,daququ/shipyard,jsyinwenjun/shipyard,beyondblog/shipyard,OnePaaS/shipyard,zhoffice/shipyard,rbramwell/shipyard,linecheng/shipyard,chenrui2014/shipyard,jsyinwenjun/shipyard,wujingke/shipyard,chenrui2014/shipyard,pugna0/shipyard,iamjakob/shipyard,LongTaiJun/DockerUI,jsyinwenjun/shipyard,zhiwei55/shipyard,tombee/shipyard