一、描述你遇到的问题
我烧录了AT模式的固件，但是除了AT返回OK之外其他所有的AT命令都返回ERROR
二、你具体做的所有步骤结果截图
三、当前开发板状态全景照片
四、开发板串口所有日志
[2026-08-13_11:57:31:165]boot.
[2026-08-13_11:57:31:386]Flashboot Init!
[2026-08-13_11:57:31:386]Power On
[2026-08-13_11:57:31:386]Reboot cause:0xF0F0
[2026-08-13_11:57:31:386]Reboot count:0x0
[2026-08-13_11:57:31:392]Reboot count:0x0
[2026-08-13_11:57:31:392]Flash Init Succ!
[2026-08-13_11:57:31:392]No need to upgrade...
[2026-08-13_11:57:31:392]Jump to app! addr = 0x90115300
[2026-08-13_11:57:31:409]************************************
[2026-08-13_11:57:31:409]BearPi SLE_AT
[2026-08-13_11:57:31:409]V2024_r1
[2026-08-13_11:57:31:417]Powered by www.bearpi.cn
[2026-08-13_11:57:31:417]************************************
[2026-08-13_11:57:31:417]at cmd ready.
[2026-08-13_11:57:34:457]AT
[2026-08-13_11:57:34:457]OK
[2026-08-13_11:57:36:490]AT+CFG
[2026-08-13_11:57:36:494]ERROR
[2026-08-13_11:57:38:302]AT+UARTCFG
[2026-08-13_11:57:38:302]ERROR
[2026-08-13_11:58:06:374]AT+PHY
[2026-08-13_11:58:06:374]ERROR
[2026-08-13_11:58:21:657]AT+ROLE
[2026-08-13_11:58:21:657]ERROR
[2026-08-13_11:58:38:517]AT+NAME
[2026-08-13_11:58:38:517]ERROR