There are many reasons why the personalized label of Post Bar has been reset. The most common reason is that there are illegal contents in the signature, such as politics and pornography. , or there is advertising content in the signature, which will be recognized as illegal content by the post bar administrator, resulting in the signature being reset.

The personalized signature of the post bar can be freely displayed according to personal preference, which can be a sentence, a poem, a paragraph, a song and so on. And can express their thoughts, feelings, moods and so on.