How to use QQ bubble permanently?

There are four ways to make QQ bubbles permanent:

1, select the default free bubble, which can be used permanently;

2. Participate in some activities to get QQ bubbles, such as brushing red envelopes during the Spring Festival, which is permanent;

3. Choose some bubbles that are not on the shelf for permanent use;

4. Insist on renewing membership or svip, and you can use QQ bubble permanently.