AP不能给手机分配dhcp地址

实验环境，在核心交换机开启dhcp地址池，并且也已经用电脑测试，可以获取到dhcp地址，但是手机显示“获取DHCP配置失败”

有没有知道的大佬

AC配置

wlan service-template 123

 ssid 123

 vlan 9

 service-template enable

#

interface Vlan-interface4-----------管理地址

 ip address 10.40.4.2 255.255.255.0

interface GigabitEthernet1/0/0

#

 port link-mode bridge

 port link-type trunk

 port trunk permit vlan all

 combo enable fiber

wlan ap 10F-AP32 model WA6320-HCL

 serial-id H3C_40-A0-A1-85-11-00

 vlan 1

 radio 1

  radio enable

  service-template 123 vlan 9

 radio 2

 gigabitethernet 1

#

----------------------------------------------------------------------

核心配置

#

dhcp server ip-pool vlan9

 gateway-list 10.40.9.1

 network 10.40.9.0 mask 255.255.255.0

 dns-list 8.8.8.8

#

interface Vlan-interface9

 ip address 10.40.9.1 255.255.255.0

#

interface GigabitEthernet1/0/6

 port link-mode bridge

 port link-type trunk

 port trunk permit vlan all

 combo enable fiber

#

-------------------------------------------------------------------------------------

接入交换机配置

#

interface Vlan-interface9

#

interface GigabitEthernet1/0/2

 port link-mode bridge

 port link-type trunk

 port trunk permit vlan all

 port trunk pvid vlan 4

 combo enable fiber

#

interface GigabitEthernet1/0/3---------------测试PC端口

 port link-mode bridge

 port access vlan 9

 combo enable fiber