Configuration Backend in DHCPv4 dhcp4_subnet not display

this is sql dhcp4_options tables

this is post confi-get , not code 3 display in subnet id 216,99 "subnet4": [ { "4o6-interface": "", "4o6-interface-id": "", "4o6-subnet": "", "id": 99, "option-data": [ { "always-send": false, "code": 3, "csv-format": true, "data": "192.168.0.1", "name": "routers", "space": "dhcp4" } ], "pools": [ { "option-data": [], "pool": "192.168.0.10-192.168.0.100" } ], "relay": { "ip-addresses": [] }, "reservations": [], "subnet": "192.168.0.0/24" }, { "4o6-interface": "", "4o6-interface-id": "", "4o6-subnet": "", "id": 100, "option-data": [], "pools": [ { "option-data": [], "pool": "192.168.1.10-192.168.1.100" } ], "relay": { "ip-addresses": [] }, "reservations": [], "subnet": "192.168.1.0/24" }, { "4o6-interface": "", "4o6-interface-id": "", "4o6-subnet": "", "id": 216, "option-data": [ { "always-send": false, "code": 6, "csv-format": true, "data": "172.22.1.253", "name": "domain-name-servers", "space": "dhcp4" }, { "always-send": false, "code": 4, "csv-format": true, "data": "10.10.10.50", "name": "time-servers", "space": "dhcp4" } ], "pools": [ { "option-data": [], "pool": "172.30.216.10-172.30.216.20" } ], "relay": { "ip-addresses": [] }, "reservations": [], "subnet": "172.30.216.0/21" } ],