【actix-web-actors】impl Handler method how to obtain async  environment

example:

```rust
struct ws;

impl StreamHandler<Result<Message, ProtocolError>> for Ws {
    fn handle(&mut self, msg: Result<Message, ProtocolError>, ctx: &mut Self::Context) {
    
        }
 }

async fn handler1(){

}
```

I want to call handler1().await in handle method