./mongoexport -host ip:port -d db -c table -f upload_time,contact_all -q "{'pro' : '3'}" -csv -o /tmp/qzone.csv
./mongoexport -host ip:port -d db -c table -f upload_time,contact_all -q "{'pro' : '3'}" -csv -o /tmp/qzone.csv
kubectl config get-contexts kubectl config use-context <context-name> kubectl config current-context