请教：8266连接AP后，经常断开重连，提示是reason 3

[mitchell]

成功连接到路由器后，隔一段时间，会显示与路由器断开连接，提示的原因是disconnect from ssid Mitchell, reason 3
请问该问题是什么原因引起的？怎么解决，可以稳定的连接路由器

log如下：
wifi mode : SoftAP & Station
socket mode : Server
mode : sta(18:fe:34:ed:88:45) + softAP(1a:fe:34:ed:88:45)
add if0
add if1
dhcp server start:(ip:192.168.4.1,mask:255.255.255.0,gw:192.168.4.1)
bcn 100
scandone
state: 0 -> 2 (b0)
state: 2 -> 3 (0)
state: 3 -> 5 (10)
add 0
aid 4
cnt

connected with Mitchell, channel 5
dhcp client start...
connect to ssid Mitchell, channel 5
ip:192.168.3.47,mask:255.255.255.0,gw:192.168.3.1
EVENT_STAMODE_GOT_IP
TcpServer Listen
add 1
aid 1
station: 18:fe:34:ed:88:70 join, AID = 1
EVENT_SOFTAPMODE_STACONNECTED

state: 5 -> 2 (3c0)
rm 0
disconnect from ssid Mitchell, reason 3
reconnect
state: 2 -> 0 (0)
scandone
state: 0 -> 2 (b0)
state: 2 -> 3 (0)
state: 3 -> 5 (10)
add 0
aid 4
cnt

connected with Mitchell, channel 5
dhcp client start...
connect to ssid Mitchell, channel 5
ip:192.168.3.47,mask:255.255.255.0,gw:192.168.3.1
EVENT_STAMODE_GOT_IP

state: 5 -> 2 (3c0)
rm 0
disconnect from ssid Mitchell, reason 3
reconnect
state: 2 -> 0 (0)
scandone
state: 0 -> 2 (b0)
state: 2 -> 3 (0)
state: 3 -> 5 (10)
add 0
aid 4
cnt

[ESP_Xutao]

你好：
你的信息是在wifi_handle_event_cb（）函数中打印的，可以在esp_wifi.h中查找出问题，注释的原因是<the auth mode of AP connected by ESP8266 station changed>.所以可能是 Mitchell的稳定性。