How to make the QQ call published by myself not easy to be seen by others?

Open the QQ space, and then there is something like a gear in the upper right corner, select it-then click the pop-up space settings-then click the space on the left side of the page to enter, and then click the one on the right that only some people can see. There are settings that only friends can see, only people who have to answer questions can enter, and only designated people can enter. After setting, save the settings.