dhcp lease too short 60s !!!

Hi,

I didn't find where i can modify the dhcp server setting of the access point

ps: mode access point with lan ethernet cable to the wan router

• Hardware Version: EX6150v2
• Firmware Version: V1.0.1.50

lease
interface "wifi";
fixed-address 192.168.1.128;
option subnet-mask 255.255.255.0;
option routers 192.168.1.250;
option dhcp-lease-time 60;
option dhcp-message-type 5;
option domain-name-servers 192.168.1.250;
option dhcp-server-identifier 192.168.1.250;
renew 2 2017/09/12 09:08:36;
rebind 2 2017/09/12 09:08:59;
expire 2 2017/09/12 09:09:07;