我用的esp32 s2模组，大多数时候是正常的，有时候用着用着就死机了，然后串口看到不停重启，log狂刷屏。这时候断电重新插上，他又就正常了，不知道这是咋回事，看着代码都没跑进我的程序app_main里去就死机了，有了解这个的吗？
刷屏的log如下：
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invaESP-ROM:esp32s2-rc4-20191025
Build:Oct 25 2019
rst:0x7 (TG0WDT_SYS_RST),boot:0x8 (SPI_FAST_FLASH_BOOT)
Saved PC:0x4001276a
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
invalid header: 0xafaaabeb
