It usually takes a few minutes to pass the audit.

The longest time may be hours, not months,

The specific rules are as follows:

Signature file settings only support Baidu Post Bar Picture Library and Baidu Space Pictures.

You can upload the picture to my space photo album first.

The premise of using the signature file is:

You must be a registered user for more than three months to use it.

The maximum size of Baidu signature file is 500X200.

I hope it helps you!

-Baidu knows the team.