Because "Synchronize to Personalized Signature" is set, if it is cancelled, the specific operation is as follows (taking mobile phone screenshot as an example):

1. Open the QQ space of the mobile phone, click to enter the call page, and find the "QQ Penguin" icon on the call page. When the icon is on, it means "Talking about Synchronization to Personalized Signature", as shown in the figure below:

2. Click the "QQ Penguin" icon, and the icon will turn gray, that is, "Personalized signature is out of sync", as shown in the figure below:

If you want to synchronize your conversation with QQ personalized signature, just follow the above steps and light the "QQ Penguin" icon.