Octopus collector upgrade can always be free to use. Octopus collector for the promotion of the market, as long as the user upgrades the octopus collector for the latest free version can always be used free of charge, octopus collector is a network-wide universal Internet data collector, simulating the behavior of people browsing the web, through a simple page point and click to generate an automated collection process, so as to convert the web page data into structured data, stored in a variety of forms, such as EXCEL or database. It also provides cloud computing-based big data cloud collection solutions to realize data collection.