This should be set according to your system. Generally speaking, this happens because flash plug-ins are not allowed to run. Now Tencent Video supports html5 players. That's why this is happening. You can refer to this document for setting.

There is something wrong with Apple's notebook:

On 20021August 18, the Ministry of Industry and Information Technology organized a "look back" to solve three outstanding problems, which received strong response from users. Tencent video in App Store version 8.4.20 illegally calls address book and geographic location authority, while Tencent video in App Store version 8.4.25 harassed users.

8.4.25.26114 version of Tencent video pop-up information in OPPO software store bothers users. Please complete the rectification before August 25th. If the rectification is not completed within the time limit or the rectification is not in place, the Ministry of Industry and Information Technology will handle it according to the law.