Check the network connection: Make sure your TV is connected to the Internet and the network signal is good. You can try to test whether your network connection is normal by opening other applications or visiting websites.
Check for updates: If your version of Ant Market is older, it may not open. Try to check if there is an update available, and if so, please download and install it.
Clear the cache and data: If there is an error when trying to open the ant market, you can try to clear the cache and data of the application. You can find it in Settings > Applications >; This option is located under "Ant Market".
Restart the TV: Sometimes, a simple restart can solve the problem. You can try to turn off the TV and then turn it on, and then try to turn on the ant market.
Try other app stores: If you can't solve the problem, you can try downloading other app stores, such as Huawei App Store or Google Play Store, to see if it can be successfully opened.
If the above methods can't solve the problem, you can consider contacting the technical support of Hisense TV or the customer service of Ant Market for help.