Then select "My I Post Bar" in the upper right corner.

There will be a "Personal Settings" on the blue background on the right.

Signature file settings in the upper left corner.

Then enter the picture link.

By the way, you'd better upload the map to the photo album of Baidu Space.

Then it will be more convenient for you to operate.

Ps. Wait until the account is registered for three months, and wait,,,

Please adopt ~ ~ ~

My account is new (++)