the blind box drawn by bilibili is changed on its app. Open the Billie Billie app, then click on your own avatar in the upper left corner to enter your own space, click on the message, select the system message, and you can see the message after your lottery. After clicking on the lottery link, you can click on my gift. Then click Redeem.

If it is a virtual item, just input the corresponding micro-signal or mobile phone number directly; if it is a physical prize, you can leave your own receiving address.