A data transfer method, performed by a Bluetooth gateway, comprising: Obtaining (S101; S501) a first data packet reported by a first node device; receiving (S102; S502; S606) a second data packet forwarded by a signal amplifier, wherein the second data packet is reported by a second node device to the signal amplifier; processing the first data packet and the second data packet to obtain target data information; and transferring (S104; S506; S612) the target data information to a server, the method is characterized by, before receiving a second data packet forwarded by a signal amplifier, further comprising: obtaining component information of a second communication component in the signal amplifier; and configuring second scan information of the second communication component according to the component information, wherein the second data packet is reported to the signal amplifier by the second node device via the second communication component, wherein configuring second scan information of the second communication component according to the component information, further comprises: determining the second scan information according to the component information; generating a scan configuration message according to the second scan information; and transferring the scan configuration message to the signal amplifier, so that the signal amplifier configures the second communication component with the second scan information in response to the scan configuration message. Obtaining (S101; S501) a first data packet reported by a first node device; receiving (S102; S502; S606) a second data packet forwarded by a signal amplifier, wherein the second data packet is reported by a second node device to the signal amplifier; processing the first data packet and the second data packet to obtain target data information; and transferring (S104; S506; S612) the target data information to a server, the method is characterized by, before receiving a second data packet forwarded by a signal amplifier, further comprising: obtaining component information of a second communication component in the signal amplifier; and configuring second scan information of the second communication component according to the component information, wherein the second data packet is reported to the signal amplifier by the second node device via the second communication component, wherein configuring second scan information of the second communication component according to the component information, further comprises: determining the second scan information according to the component information; generating a scan configuration message according to the second scan information; and transferring the scan configuration message to the signal amplifier, so that the signal amplifier configures the second communication component with the second scan information in response to the scan configuration message. obtaining component information of a second communication component in the signal amplifier; and configuring second scan information of the second communication component according to the component information, wherein the second data packet is reported to the signal amplifier by the second node device via the second communication component, wherein configuring second scan information of the second communication component according to the component information, further comprises: determining the second scan information according to the component information; generating a scan configuration message according to the second scan information; and transferring the scan configuration message to the signal amplifier, so that the signal amplifier configures the second communication component with the second scan information in response to the scan configuration message. determining the second scan information according to the component information; generating a scan configuration message according to the second scan information; and transferring the scan configuration message to the signal amplifier, so that the signal amplifier configures the second communication component with the second scan information in response to the scan configuration message.