1. Privacy Settings: Users can set privacy settings in Weibo according to their own needs, including whether to allow search engines to index their personal information and whether to allow others to search their Weibo through keywords. If the user sets the privacy to disallow search engine indexing or disallow searching their Weibo through keywords, the profile content cannot be searched.

2, information update delay: search engines need a certain amount of time to update and index web content. If the user recently changed Weibo's profile, the search engine will need some time to index the changed information.

3. Violation handling: If Weibo's personal data involves behaviors or contents that violate Weibo's community norms, Weibo Platform will handle them, including hiding or deleting relevant contents, so as to maintain the norms and order of the platform.