Non-personal information is mainly used to optimize the service. For example, when a problem occurs and we are required to provide user support, we need specific data to identify and resolve the problem. We may also use the above information to track the functionality of the service to better analyze, understand and enhance the service and further improve the user experience and satisfaction</p> <p>The specific functions are as follows:</p> <p>Get the user's version number so that our users can match each version number and provide better service for users.</p> <p>The purpose of obtaining the user's application developer identifier is to obtain the user's device information for statistical addition, retention, and in-use statistics.</p> <p>