Dhcpv6 relay not work

Installing and Using OpenWrt Network and Wireless Configuration
1

The router is ASUS wireless router, the repeater is openwrt, and the client is windows10. The ASUS wireless router setting is Stateful. Packet capture via wireshark has multicast from windows10 to ff02::1:2, and then RA multicast from openwrt to ff02::1, no dhcpv6 response


root@OpenWrt:~# cat /etc/config/dhcp

config dnsmasq
        option domainneeded '1'
        option localise_queries '1'
        option rebind_protection '1'
        option rebind_localhost '1'
        option local '/lan/'
        option domain 'lan'
        option expandhosts '1'
        option authoritative '1'
        option readethers '1'
        option leasefile '/tmp/dhcp.leases'
        option resolvfile '/tmp/resolv.conf.d/resolv.conf.auto'
        option localservice '1'
        option ednspacket_max '1232'

config dhcp 'lan'
        option interface 'lan'
        option start '100'
        option limit '150'
        option leasetime '12h'
        option dhcpv4 'server'
        option ra 'relay'
        option dhcpv6 'relay'
        option ndp 'relay'
        list ra_flags 'none'

config dhcp 'wan'
        option interface 'wan'
        option ignore '1'
        option start '100'
        option limit '150'
        option leasetime '12h'
        list ra_flags 'none'

config odhcpd 'odhcpd'
        option maindhcp '0'
        option leasefile '/tmp/hosts/odhcpd'
        option leasetrigger '/usr/sbin/odhcpd-update'
        option loglevel '4'

config dhcp 'wwan'
        option interface 'wwan'
        option start '100'
        option limit '150'
        option leasetime '12h'
        option ignore '1'
        option master '1'
        option ra 'relay'
        option dhcpv6 'relay'
        option ndp 'relay'
        list ra_flags 'none'
2

Stateful = DHCP6 (udp 547)
Stateless = SLAAC (multicast ff02::1:2)