Comment on it yourself. What's wrong with not having permission?

There should be something wrong with the settings.

Log in to your QQ and set it in the security settings. Set allow comments. There is a setting button in the upper right corner of QQ space, which can also be set.

QQ Space (Qzone) is a personalized space developed by Tencent in 2005, which has the function of blog and has been loved by many people since it came out. In QQ space, you can keep a diary, chat, upload personal pictures of users, listen to music, write about your mood and show yourself in various ways. In addition, users can also set the background and small pendants of the space according to their personal preferences, so that each space has its own characteristics. Of course, QQ space also provides advanced functions for users who are proficient in web pages: you can create a personal homepage by writing various codes.