How to enable the Bluetooth Mesh gateway function when the Xiaomi Mesh System BE3600 Pro is used as a sub-router?

After binding the Xiaomi Mesh System BE3600 Pro, please go to the Mi Home/Xiaomi Home APP >> [Profile] >> [Hubs & gateways] >> enable or disable the Bluetooth gateway function, which can bridge Bluetooth devices with other networks, such as Wi-Fi, Ethernet, or cellular networks. It acts as an intermediary, enabling Bluetooth-enabled devices to communicate with cloud services or other connected systems.