At present, with the development of business, the demand for stocking is increasing. The main difference of shipping products is the PID. Panel control and data ownership isolation can be performed through different PIDs. For now, PID replacement is done through re-authorizing the re-programming before shipping, which requires a great deal of cost and time. The PID replacement for stock products can quickly replace the PID by scanning the SN to achieve the purpose of shipping without re-programming.