i think you can specify the "local ip" parameter of AT+CIPSTART command in your case.
https://docs.espressif.com/projects/esp ... #cmd-start

i reproduced your issue, let me try to fix it, thanks for your report.

you could change service name by AT+MDNS command: https://docs.espressif.com/projects/esp ... s-function

could you please provide the more details, such as log output. and query certificate information by AT+SYSMFG command (does the two ways return the different certificates?), AT+GMR, etc.

thanks.
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The ESP01 module is not an espressif product; it is a module developed based on the ESP8266 chip. Espressif has not directly developed AT firmware for the ESP01. If you are looking for AT firmware, we recommend considering chips such as ESP32-C3, ESP32-C2, or ESP32-C6 as a priority. If you are havin...

please read the following docs first.
- https://docs.espressif.com/projects/esp ... onfig.html
- https://docs.espressif.com/projects/esp ... at_py.html

请参考文档：https://docs.espressif.com/projects/esp ... mands.html

对的。输出格式是 \r\n+IPD,<len>:<data>\r\n

AT 文档应该再完善一下，谢谢。

请按照这个模板，提供更多的信息。
https://github.com/espressif/esp-at/iss ... me_bug.yml

and do you have the AT download port logs, does the log have "xx:xx:xx:xx:xx:xx\r\n" output?