Description:This API can be used to send status to relay device, which use 8-bit binary number to discribe the status.

URI: /relay/act

Method: POST

Header: Authrization: {token}

Body: {"status": x, "stay": x} (status is a number change by binary number, like 6=0b00000110. stay is staying duration(second) of this status, 0 means forever.)

Return: 200 success

Error: 401 (authorized failed)

          400 (miss parameters)

          500 (no relay device connected)

          500 (set relay status failed)