1. Enter Baidu Space Album, open a picture in the album, right-click the picture, and select "Copy picture URL" in the pop-up dialog box.

2. Enter the signature file setting interface in Post Bar Personal Information Settings, select "Add a set of signature files" and paste the address copied in the previous step into the "Picture Link" column.

3. Move the cursor to the front of the address and find the word "picphotos" at the beginning of the address.

4. Change "picphotos" to "hiphotos", enter a name, and then click Save. The audit will take some time, please be patient.