The background color of electronic signature is yellow, which is influential and should be changed to white. In word, just set the background transparent color to white. Personal signature means that after BBS registration, you can set your own signature, that is, the text displayed at the bottom of each post, some of which look like the title of the note.

Electronic signature refers to the electronic signature including various electronic means. This definition stipulates that as long as certain conditions are met, the electronic signature has the same legal effect as the traditional signature, without limiting the technology that should be adopted for the electronic signature that meets the specified conditions.