You can set the signature file through "Post Bar Settings" as follows;

Required tools;

computer

Baidu account

Detailed steps:

1, the first choice is to go to a picture link at will in the post bar and save it. As shown in the figure below:

2. Then select "Post Bar Settings" in "More" in the upper right corner to enter the interface as shown below; As shown in the figure:

3. After the interface shown above pops up, select signature file settings, as shown in the following figure:

4. Click "Add a set of signature files", and the result is as follows:

5. Choose your own name and put the link of the picture you took at the beginning; As shown in the figure:

6. Click Save to enter the review stage, and it can be used after it is formally approved.