MT7688如何配置wireless文件连接WiFi

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想打开WiFi功能，在阅读官网中的指导信息后，修改了wireless文件，重启服务，输入ap_client命令，显示为no，请指导下错误原因。贴下wireless和network的内容
wireless如下

config wifi-device 'radio0'
	option type 'ralink'
	option variant 'mt7628'
	option country 'CN'
	option hwmode '11bgn'
	option htmode 'HT40'
	option channel 'auto'

config wifi-iface 'ap'
	option device 'radio0'
	option network 'lan'
	option ifname 'ra0'
	option ssid 'Widora-15E8'
	option encryption 'none'
	option hidden '0'
	option mode 'sta'
	option disabled '1'

config wifi-iface 'sta'
	option device 'radio0'
	option disabled '0'
	option mode 'sta'
	option network 'wan'
	option ifname 'apcli0'
	option ssid 'tlink_ap'
	option key 'nan123456'
	option hidden '0'
	option encryption 'psk2'

network如下

config interface 'loopback'
	option ifname 'lo'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'

config globals 'globals'
	option ula_prefix 'fd5c:2322:f0e5::/48'

config interface 'lan'
	option force_link '1'
	option macaddr '0c:ef:af:d4:15:e9'
	option type 'bridge'
	option proto 'static'
	option ipaddr '192.168.8.1'
	option netmask '255.255.255.0'
	option ip6assign '60'
	option ifname 'eth0'

config interface 'wan'
	option force_link '1'
	option ifname 'apcli0'
	option macaddr '0c:ef:af:d4:15:e8'
	option proto 'dhcp'

config interface 'wan6'
	option proto 'dhcpv6'

config switch
	option name 'switch0'
	option reset '1'
	option enable_vlan '0'

config switch_vlan
	option device 'switch0'
	option vlan '1'
	option ports '1 2 3 4 6t'

config switch_vlan
	option device 'switch0'
	option vlan '2'
	option ports '0 6t'

config interface 'wwan'
	option proto 'dhcp'
	option ifname 'apcli0'
2

wan部分的macaddr、force_link都去掉后，重启网络