Have a question I ask you, our product is made of GB9662 GB9662 AP mode, using a mobile phone connection, has shown that connect the wifi on the phone, but can't communicate, tips on his mobile phone until the current WLAN cannot get to the Internet, whether to continue the use of "click after use, can normal communication, the prompt will have time to wait for a long time just to play out, I cannot surf the Internet try to connect a wireless router that prompt pop up is very fast, this is what reason, using single-chip microcomputer is STM32F411 GB9662, is LWIP protocol stack, can be related to IP packet is lost, keep the cell phone has been waiting for overtime?