wifi连接路AP,AP突然关机，ESP出现bcn_timout,ap_probe_send_start，然后重启了

[nn6789]

用ESP32主动连接AP，连接上后，请求一些数据，然后AP突然掉电，ESP32就打印错误信息，并重启了，请帮忙看看怎么规避这个问题。

如下是日志信息：
[13:53:04.407]收←◆I (70895) wifi: bcn_timout,ap_probe_send_start
[13:53:05.179]收←◆get rssi:-41
[13:53:06.780]收←◆get rssi:-41
[13:53:06.949]收←◆I (73395) wifi: ap_probe_send over, resett wifi status to disassoc
I (73395) wifi: state: run -> init (1)
I (73395) wifi: n:8 0, o:8 0, ap:255 255, sta:8 0, prof:1
I (73395) wifi: pm stop, total sleep time: 0/7971062
wifi disconnect...200

Guru Meditation Error of type InstrFetchProhibited occurred on core 0. Exception was unhandled.
Register dump:
PC : 0x00000000 PS : 0x00060630 A0 : 0x00000000 A1 : 0x3ffebba0
A2 : 0x00000000 A3
[13:53:06.992]收←◆ : 0x3ffc9bf0 A4 : 0x00000000 A5 : 0x00000000
A6 : 0x00000000 A7 : 0x00000000 A8 : 0x80109971 A9 : 0x3ffebb80
A10 : 0x00000003 A11 : 0x000003f3 A12 : 0x00000000 A13 : 0x00000000
A14 : 0x3ffc8030 A15 : 0x3ffd8d34 SAR : 0x0000001c EXCCAUSE: 0x00000014
EXCVADDR: 0x00000000 LBEG : 0x4000c2e0 LEND : 0x4000c2f6 LCOUNT : 0xffffffff

Backtrace: 0x00000000:0x3ffebba0 0x00000000:0x3ffebbd0

Rebooting...

[littlesky]

用ESP32主动连接AP，连接上后，请求一些数据，然后AP突然掉电，ESP32就打印错误信息，并重启了，请帮忙看看怎么规避这个问题。

如下是日志信息：
[13:53:04.407]收←◆I (70895) wifi: bcn_timout,ap_probe_send_start
[13:53:05.179]收←◆get rssi:-41
[13:53:06.780]收←◆get rssi:-41
[13:53:06.949]收←◆I (73395) wifi: ap_probe_send over, resett wifi status to disassoc
I (73395) wifi: state: run -> init (1)
I (73395) wifi: n:8 0, o:8 0, ap:255 255, sta:8 0, prof:1
I (73395) wifi: pm stop, total sleep time: 0/7971062
wifi disconnect...200

Guru Meditation Error of type InstrFetchProhibited occurred on core 0. Exception was unhandled.
Register dump:
PC : 0x00000000 PS : 0x00060630 A0 : 0x00000000 A1 : 0x3ffebba0
A2 : 0x00000000 A3
[13:53:06.992]收←◆ : 0x3ffc9bf0 A4 : 0x00000000 A5 : 0x00000000
A6 : 0x00000000 A7 : 0x00000000 A8 : 0x80109971 A9 : 0x3ffebb80
A10 : 0x00000003 A11 : 0x000003f3 A12 : 0x00000000 A13 : 0x00000000
A14 : 0x3ffc8030 A15 : 0x3ffd8d34 SAR : 0x0000001c EXCCAUSE: 0x00000014
EXCVADDR: 0x00000000 LBEG : 0x4000c2e0 LEND : 0x4000c2f6 LCOUNT : 0xffffffff

Backtrace: 0x00000000:0x3ffebba0 0x00000000:0x3ffebbd0

Rebooting...

应该是应用层代码访问了空指针导致系统崩溃重启，请先检查一下应用层代码。