1. Privacy settings: Angela Zhang has restricted the comment function in the settings, allowing only some people to comment, or completely turned off the comment function.
2. Suspected abuse or violation: If there are a large number of spam comments, malicious attacks or violations on Angela Zhang Weibo Platform, choose to turn off the comment function to avoid adverse effects.
3. Platform regulations: Weibo platform has some regulations and restrictions, which sometimes restrict the comment function of specific users, specific posts or specific time periods.