i try to switch program to nsd and click update and wait util complete and switch back to bind and found new error on this
version: 9.9.7 <id:e87fa9ae>
CPUs found: 4
worker threads: 4
UDP listeners per interface: 2
number of zones: 2
debug level: 0
xfers running: 0
xfers deferred: 0
soa queries in progress: 0
query logging is ON
recursive clients: 0/0/1000
tcp clients: 0/100
server is up and running
* named.service - LSB: start|stop|status|restart|try-restart|reload|force-reload DNS server
Loaded: loaded (/etc/rc.d/init.d/named; bad; vendor preset: disabled)
Active: active (running) since Sun 2017-03-19 10:46:55 +07; 21min ago
Docs: man:systemd-sysv-generator(8)
CGroup: /system.slice/named.service
`-14701 /usr/sbin/named -u named
Mar 19 10:46:55 kloxo-mr named[14701]: listening on IPv6 interfaces, port 53
Mar 19 10:46:55 kloxo-mr named[14701]: listening on IPv4 interface lo, 127.0.0.1#53
Mar 19 10:46:55 kloxo-mr named[14701]: listening on IPv4 interface venet0:0, 203.151.45.70#53
Mar 19 10:46:55 kloxo-mr named[14701]: generating session key for dynamic DNS
Mar 19 10:46:55 kloxo-mr named[14701]: sizing zone task pool based on 2 zones
Mar 19 10:46:55 kloxo-mr named[14701]: set up managed keys zone for view _default, file 'managed-keys.bind'
Mar 19 10:46:55 kloxo-mr named[14701]: command channel listening on 127.0.0.1#953
Mar 19 10:46:55 kloxo-mr named[14701]: the working directory is not writable
Mar 19 10:46:55 kloxo-mr named[14692]: Starting named: [ OK ]
Mar 19 10:46:55 kloxo-mr systemd[1]: Started LSB: start|stop|status|restart|try-restart|reload|force-reload DNS server.