Why is the qq chat record missing?

Most likely, you have deleted the current chat record box, or marked it as not showing chat. There are two possibilities, because pressing the chat for a few seconds will pop up the picture below, and both operations in the picture below will be missed.

In fact, it doesn't matter whether you delete it or not. Let's reset it. The method is as follows:

The first step is to open the address book, find the person you want to top, and click on his avatar.

Step 2: Click "Send Message" on his information page.

Step 3, find the "upper right corner" on the message page. . . "Click the icon.

Step 4, find "Top Chat" on the settings page (turning green means it has been set).