About the second one:
"if the received file contains the string "\r\nOK\r\n""

have you tried to add ^ (which matches the starting position within the string) and $ (Matches the ending position of the string) to the regular syntax.

该问题已在 master 解决了，请用 master 上的代码验证~

Hello, this issue should get fixed on master branch, could you please git pull the code and have a test.

新的固件 Wi-Fi 禁用时，设置 AT+SLEEP=1 和 AT+SLEEP=3 会出错，设置 AT+SLEEP=2 会成功。同时日志口会打印相关错误信息。

已在 master 上支持了，请自行编译固件验证~

Hello~ I checked the MQTT code, and your issue seems quite unusual. The response header ( +MQTTSUBRECV:<linkid>,<"topic">,<data_len>, ) is constructed all at once by snprintf() , so it is unlikely to be affected by other data. To investigate further, could you please enable AT log, compile the AT fi...

thanks for your example, i can reproduce it now. will fix it within one week.

~

参考：viewtopic.php?f=34&t=40728

你好，ESP-01S 不是 Espressif 的产品，而是 安信可 的：https://docs.ai-thinker.com/esp8266

你可以考虑从 Espressif 购买 ESP 的产品，或者从 安信可 寻求技术支持，谢谢！

请从这里下载：
https://github.com/espressif/esp-at/act ... #artifacts

GitHub Actions 上的固件，GitHub 最多只能托管 3 个月（https://docs.github.com/zh/actions/writ ... -artifacts）。