@Trà4
Hello, your overall Review is blow the Airbnb Standard of 4.8 which effects your traffic because the Airbnb Search lowers where your displayed and now you have the added of no bookings for a long time demotes your display more because no traffic.
The one bad review did hut but the fact that your Review Categories' have been dinged a lot it effected you more.
Review your Categories' and address solutions.
Some things like location or value, since every is happy that is usually tweaking your description to just set clearer expectations.
Then you need to rebuild traffic to get more positive reviews.
The Airbnb computer looks if you as the Host are active. It reviews "Date Modified" on your listing which is updated every time you do something that the platform requires you click "Save".
Do updates regularly. Most guests rave about your views add photos of that and click "Save"
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