Give a friend function description
Interface: Users can buy special topics on the topic details page and give them to their friends. Before purchase, they need to bind their mobile phone number. Price: The purchase price is group price and the commission is given back. The number of recipients: only one person can claim the donated course, and one person can use the receiving time: the purchased complimentary course has no time limitation, and the user can claim it at any time
Download the free source code at github.crmeb.net/u/defu