First, you open your own space, enter your personal file, and click on the space information. There is a signature file, as shown below:

Signature file:

When posting a comment, you need to check "Use signature file" to display the signature file.

Image Font ▼ Font Size ▼ Tip: You can use at most one image for the signature file, and the best image size for the signature file is 540px* 160px.

Save this page

Click the picture, put your favorite picture in it, and then click Save this page.

When leaving a message for others, you must click Use Signature File in the upper right corner to display it.