keep-alive 是在和服务器交互时，客户端发送 keep-alive 包，服务器没有响应时才会关闭。你说的关闭，需要进一步抓包或者对比验证 确认是客户端发送的关闭还是服务器发送的关闭。
从以为经验看，服务器为了防止 DDOS 攻击，通常会主动关闭那些没有数据交互的连接。

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May i know why you choose ESP32-S3 instead of the more cost-effective ESP32-C3 for your products?

it depends on what application you used on your mobile phone. you could refer to https://docs.espressif.com/projects/esp ... index.html for more details.

could you please disable features like the attachment p1.png shows, it works well on my side.

If it still cannot work, please provide more information (full compile logs, sdkconfig file, etc).

Do your products require AT firmware? Why did you choose ESP32-S2 WROVER instead of the more cost-effective ESP32-C3?
btw, what does "factory reset" mean?

Thank you for your suggestion! In fact, we have already had this feature requirement, and it is expected to be completed by Q2 2024. Once it's done, I'll let you know. If you're in a hurry, you can try to modify the encryption and decryption functions yourself. - you can encrypt the data (data is se...

I'm not sure "RP2040 Pico W" board can work with Espressif's AT firmware, since it is not from Espressif. i would like to recommend you buy products from Espressif: https://www.espressif.com/en/contact-us/get-samples. You can read the following docs: - Hardware Connection: https://espressif-docs.rea...

Hello, i tried the latest version, and it seems work well. (see the p1.png in the attachment). 1. You should have the "work" namespace before you erase it, otherwise, it returns ERROR. 2. received "busy p..." when you set the key-value. could you please double check if the right 8 characters you sen...

sorry that we don't have the AT commands to support the http(https) server directly, but there are two possible helpful comments for yours. 1. AT works as a tcp server, and run the http(https) server on your STM32H753BI controller. 2. AT works as a http(https) server. Refer to AT+WEBSERVER commands,...

烦请检查一下您的硬件连接，是否按照这里的文档介绍连接的：
https://espressif-docs.readthedocs-host ... ml#esp8266