Repair the issue that iOS cannot connect.
Repair the issue that iOS cannot connect.

cannonrobot/Balance_Car_STM32,196510921/STM32_Platform,JUMA-IO/STM32_Platform,JUMA-IO/STM32_Platform,cannonrobot/Balance_Car_STM32,cannonrobot/Balance_Car_STM32,196510921/STM32_Platform,JUMA-IO/STM32_Platform