App Advisor is blank

I recently noticed that my Norton Mobile Security says there is one app that has risks. But when I clicked it, I went to the App Advisor with a blank page.

I tried rebooting the phone several times and forcing stopping the security app but neither worked. I updated it and even upgraded to 3.14 (originally was 3.12, because I have no access to Google Play so I didn't know a new version is available.)

My system is Samsung Galaxy S6 with Android 6.0.1. It is customized by China Mobile if it matters. Thanks.