smart_config (IDFGH-12793)

[LYL14]

Answers checklist.

• [X] I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
• [X] I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
• [X] I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

espidf使用smart_config例子，手机连接的WIFI为2.4g和5G二合一，使用EspTouch无法给esp32c3配网。