Online storage delivery is a way of delivering goods to customers via the Internet. The specific operation process is that the merchant uploads the goods to the cloud storage platform (that is, online storage), and sends the product link to the customer, and the customer downloads the product through the link. Compared with the traditional physical goods transportation method, online storage delivery has the advantages of fast, convenient and low cost. At present, online storage delivery has been widely used in the sales of digital products such as electronic goods, software, audio, video, etc.